Merge pull request 'KAN-65: Fix Hetzner feed ETags and resume published releases' (#161) from fix/KAN-65-hetzner-feed-etag into main

Reviewed-on: #161

.dockerignore

@@ -43,3 +43,7 @@ storage/framework/sessions/*
 storage/framework/testing/*
 storage/framework/views/*
 storage/logs/*
+
+# Native build artifacts are independent of the Laravel image.
+native/src-tauri/target
+native/src-tauri/gen

.github/workflows/macos-checks.yml

@@ -0,0 +1,58 @@
+name: macOS checks
+
+on:
+  push:
+    branches: [main]
+    paths: ["native/**", ".github/**", "package.json", "pnpm-lock.yaml", "eslint.config.mjs", "resources/css/app.css"]
+  pull_request:
+    paths: ["native/**", ".github/**", "package.json", "pnpm-lock.yaml", "eslint.config.mjs", "resources/css/app.css"]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  macos:
+    name: Native Rust tests and unsigned build
+    runs-on: ${{ vars.MACOS_CHECK_RUNNER || vars.MACOS_RUNNER || 'macos-arm64' }}
+    timeout-minutes: 45
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          persist-credentials: false
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@0ebf47130e4866e96fce0953f49152a61190b271 # v11.7.0
+        with:
+          package-json-file: package.json
+
+      - name: Setup Node.js
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
+        with:
+          node-version: 22
+
+      - name: Setup Rust
+        uses: dtolnay/rust-toolchain@02cb101ec7c40f2c49e1d9714d64511d8e1b74de
+        with:
+          toolchain: 1.98.1
+          components: rustfmt, clippy
+
+      - name: Install locked native dependencies
+        run: pnpm --dir native install --frozen-lockfile
+
+      - name: Run native tests
+        run: pnpm --dir native test
+
+      - name: Check Rust formatting and warnings
+        run: pnpm --dir native check
+
+      - name: Build unsigned macOS app without release credentials
+        uses: tauri-apps/tauri-action@1deb371b0cd8bd54025b384f1cd735e725c4060f # v1.0.0
+        with:
+          projectPath: native
+          tauriScript: pnpm exec tauri
+          args: --ci --debug --no-sign --bundles app -- --locked
+          uploadUpdaterJson: false
+          uploadUpdaterSignatures: false
+          uploadWorkflowArtifacts: false

.github/workflows/macos-release.yml

@@ -0,0 +1,276 @@
+name: macOS release to Hetzner
+
+on:
+  push:
+    # Gitea enforces the configured macos-v* protection when tags are pushed.
+    # Reading /tag_protections requires admin rights unavailable to job tokens.
+    tags:
+      - "macos-v*"
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: "Existing protected macos-vMAJOR.MINOR.PATCH tag on main"
+        required: true
+        type: string
+      mode:
+        description: "Build a release or resume publishing existing verified artifacts"
+        required: true
+        default: build
+        type: choice
+        options:
+          - build
+          - resume
+
+permissions:
+  contents: read
+
+concurrency:
+  group: macos-release
+  cancel-in-progress: false
+
+env:
+  APPLE_SIGNING_IDENTITY: "Developer ID Application: Nico Schröder (ZZX2KZGTHU)"
+  APPLE_TEAM_ID: ZZX2KZGTHU
+  MACOS_RELEASE_TARGET: ${{ vars.MACOS_RELEASE_TARGET || 'aarch64-apple-darwin' }}
+  S3_BUCKET: ${{ vars.S3_BUCKET }}
+  S3_REGION: ${{ vars.S3_REGION }}
+  S3_PREFIX: ${{ vars.S3_PREFIX || 'releases/macos' }}
+  S3_PUBLIC_BASE_URL: ${{ vars.S3_PUBLIC_BASE_URL }}
+
+jobs:
+  prepare:
+    name: Validate release ref and configuration
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    outputs:
+      commit: ${{ steps.ref.outputs.commit }}
+      tag: ${{ steps.ref.outputs.tag }}
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          fetch-depth: 0
+
+      - name: Select an existing version tag contained in main
+        id: ref
+        shell: bash
+        env:
+          REQUESTED_TAG: ${{ inputs.tag }}
+          MACOS_RUNNER: ${{ vars.MACOS_RUNNER }}
+          RELEASE_MODE: ${{ inputs.mode || 'build' }}
+        run: |
+          set -Eeuo pipefail
+          [[ "${RELEASE_MODE:-build}" == build || "${RELEASE_MODE:-build}" == resume ]] || { echo 'Invalid release mode.' >&2; exit 1; }
+          if [[ "$GITHUB_EVENT_NAME" == workflow_dispatch ]]; then
+            [[ "$GITHUB_REF" == refs/heads/main ]] || { echo 'Dispatch this workflow from main.' >&2; exit 1; }
+            tag="$REQUESTED_TAG"
+          else
+            tag="${GITHUB_REF#refs/tags/}"
+          fi
+          [[ "$tag" =~ ^macos-v(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)$ ]] || { echo 'Invalid macOS release tag.' >&2; exit 1; }
+          [[ "$MACOS_RUNNER" =~ ^[a-zA-Z0-9_-]+$ ]] || { echo 'Set MACOS_RUNNER to a registered macOS runner label.' >&2; exit 1; }
+          git fetch --no-tags origin main:refs/remotes/origin/main
+          commit="$(git rev-parse --verify "refs/tags/$tag^{commit}")"
+          git merge-base --is-ancestor "$commit" origin/main || { echo 'Release tag must belong to main.' >&2; exit 1; }
+          git checkout --detach "$commit"
+          printf 'commit=%s\ntag=%s\n' "$commit" "$tag" >> "$GITHUB_OUTPUT"
+
+      - name: Setup Node.js
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
+        with:
+          node-version: 22
+
+      - name: Validate app versions and Hetzner configuration
+        env:
+          RELEASE_TAG: ${{ steps.ref.outputs.tag }}
+        run: |
+          node native/macos-ci.mjs metadata
+          node native/publish-macos.mjs config
+
+  release:
+    name: Sign, notarize, verify and publish macOS
+    needs: prepare
+    if: ${{ inputs.mode != 'resume' }}
+    # Gitea resolves runner labels before outputs from prepare are available.
+    runs-on: ${{ vars.MACOS_RUNNER }}
+    timeout-minutes: 120
+    env:
+      RELEASE_TAG: ${{ needs.prepare.outputs.tag }}
+    steps:
+      - name: Check out the validated commit
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          ref: ${{ needs.prepare.outputs.commit }}
+          persist-credentials: false
+
+      - name: Validate runner and required secrets
+        shell: bash
+        env:
+          APPLE_CERTIFICATE: ${{ secrets.APPLE_CERTIFICATE }}
+          APPLE_CERTIFICATE_PASSWORD: ${{ secrets.APPLE_CERTIFICATE_PASSWORD }}
+          APPLE_PASSWORD: ${{ secrets.APPLE_PASSWORD }}
+          TAURI_SIGNING_PRIVATE_KEY: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY }}
+          S3_ACCESS_KEY_ID: ${{ secrets.S3_ACCESS_KEY_ID }}
+          S3_SECRET_ACCESS_KEY: ${{ secrets.S3_SECRET_ACCESS_KEY }}
+        run: |
+          set -Eeuo pipefail
+          [[ "$(uname -s)" == Darwin ]] || { echo 'A macOS runner is required.' >&2; exit 1; }
+          case "$MACOS_RELEASE_TARGET:$(uname -m)" in
+            aarch64-apple-darwin:arm64|x86_64-apple-darwin:x86_64) ;;
+            *) echo 'Runner architecture must match MACOS_RELEASE_TARGET.' >&2; exit 1 ;;
+          esac
+          xcodebuild -version
+          xcrun --find notarytool
+          aws --version | grep '^aws-cli/2\.' || { echo 'Install AWS CLI v2 permanently on this runner.' >&2; exit 1; }
+          for name in APPLE_CERTIFICATE APPLE_CERTIFICATE_PASSWORD APPLE_PASSWORD TAURI_SIGNING_PRIVATE_KEY S3_ACCESS_KEY_ID S3_SECRET_ACCESS_KEY; do
+            [[ -n "${!name}" ]] || { echo "Missing repository secret: $name" >&2; exit 1; }
+          done
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@0ebf47130e4866e96fce0953f49152a61190b271 # v11.7.0
+        with:
+          package-json-file: package.json
+
+      - name: Setup Node.js
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
+        with:
+          node-version: 22
+
+      - name: Setup Rust
+        uses: dtolnay/rust-toolchain@02cb101ec7c40f2c49e1d9714d64511d8e1b74de
+        with:
+          toolchain: 1.98.1
+          targets: ${{ env.MACOS_RELEASE_TARGET }}
+          components: rustfmt, clippy
+
+      - name: Install locked dependencies
+        run: |
+          pnpm install --frozen-lockfile
+          pnpm --dir native install --frozen-lockfile
+
+      - name: Run native checks before importing signing credentials
+        run: |
+          pnpm exec eslint native --max-warnings 0
+          pnpm --dir native test
+          pnpm --dir native check
+
+      - name: Prepare isolated signing keychain
+        id: signing
+        shell: bash
+        env:
+          APPLE_CERTIFICATE: ${{ secrets.APPLE_CERTIFICATE }}
+        run: |
+          set -Eeuo pipefail
+          umask 077
+          signing_dir="$(mktemp -d "$RUNNER_TEMP/kanbangit-signing.XXXXXX")"
+          printf 'SIGNING_DIRECTORY=%s\n' "$signing_dir" >> "$GITHUB_ENV"
+          security list-keychains -d user > "$signing_dir/original-keychains.txt"
+          printf '%s' "$APPLE_CERTIFICATE" | base64 --decode > "$signing_dir/certificate.p12"
+          password="$(openssl rand -hex 32)"
+          echo "::add-mask::$password"
+          printf 'keychain=kanbangit-%s-%s\npassword=%s\ncertificate=%s/certificate.p12\n' "$GITHUB_RUN_ID" "$GITHUB_RUN_ATTEMPT" "$password" "$signing_dir" >> "$GITHUB_OUTPUT"
+
+      - name: Import Developer ID certificate
+        uses: Apple-Actions/import-codesign-certs@5142e029c445c10ffc7149d172e540235a065466 # v7.0.0; deletes its keychain in the post step
+        with:
+          keychain: ${{ steps.signing.outputs.keychain }}
+          keychain-password: ${{ steps.signing.outputs.password }}
+          p12-filepath: ${{ steps.signing.outputs.certificate }}
+          p12-password: ${{ secrets.APPLE_CERTIFICATE_PASSWORD }}
+
+      - name: Confirm release signing identity
+        shell: bash
+        run: |
+          set -Eeuo pipefail
+          security find-identity -v -p codesigning | grep -F "\"$APPLE_SIGNING_IDENTITY\""
+
+      - name: Build, sign and notarize with Tauri
+        uses: tauri-apps/tauri-action@1deb371b0cd8bd54025b384f1cd735e725c4060f # v1.0.0
+        env:
+          # The DMG bundler reads these variables separately from --ci.
+          CI: "true"
+          TAURI_BUNDLER_DMG_IGNORE_CI: "false"
+          APPLE_ID: dev@petsch-studios.de
+          APPLE_PASSWORD: ${{ secrets.APPLE_PASSWORD }}
+          TAURI_SIGNING_PRIVATE_KEY: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY }}
+          TAURI_SIGNING_PRIVATE_KEY_PASSWORD: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY_PASSWORD }}
+        with:
+          projectPath: native
+          tauriScript: pnpm exec tauri
+          args: >-
+            --ci --target ${{ env.MACOS_RELEASE_TARGET }} --bundles app,dmg
+            --config '{"bundle":{"createUpdaterArtifacts":true,"macOS":{"hardenedRuntime":true}}}'
+            -- --locked
+          uploadUpdaterJson: false
+          uploadUpdaterSignatures: false
+          uploadWorkflowArtifacts: false
+
+      - name: Verify signed app and packaged download
+        id: package
+        run: node native/macos-ci.mjs package
+
+      - name: Publish immutable files and verify public Hetzner downloads
+        env:
+          AWS_ACCESS_KEY_ID: ${{ secrets.S3_ACCESS_KEY_ID }}
+          AWS_SECRET_ACCESS_KEY: ${{ secrets.S3_SECRET_ACCESS_KEY }}
+          AWS_EC2_METADATA_DISABLED: "true"
+          AWS_REQUEST_CHECKSUM_CALCULATION: when_required
+          AWS_RESPONSE_CHECKSUM_VALIDATION: when_required
+          RELEASE_DIRECTORY: ${{ steps.package.outputs.directory }}
+        run: node native/publish-macos.mjs upload
+
+      - name: Restore keychain search list and remove certificate export
+        if: ${{ always() }}
+        shell: bash
+        run: |
+          python3 - <<'PY'
+          import os, pathlib, shlex, shutil, subprocess
+          value = os.environ.get('SIGNING_DIRECTORY')
+          if value:
+              directory = pathlib.Path(value)
+              original = directory / 'original-keychains.txt'
+              try:
+                  if original.exists():
+                      subprocess.run(['security', 'list-keychains', '-d', 'user', '-s', *shlex.split(original.read_text())], check=True)
+              finally:
+                  shutil.rmtree(directory)
+          PY
+
+  resume:
+    name: Resume verified release publication
+    needs: prepare
+    if: ${{ github.event_name == 'workflow_dispatch' && inputs.mode == 'resume' }}
+    runs-on: ${{ vars.MACOS_RUNNER }}
+    timeout-minutes: 15
+    env:
+      RELEASE_TAG: ${{ needs.prepare.outputs.tag }}
+      RELEASE_METADATA_DIRECTORY: release-source/native
+    steps:
+      - name: Check out current publishing tools
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          ref: ${{ github.sha }}
+          persist-credentials: false
+
+      - name: Check out validated release metadata
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          ref: ${{ needs.prepare.outputs.commit }}
+          path: release-source
+          persist-credentials: false
+
+      - name: Setup Node.js
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
+        with:
+          node-version: 22
+
+      - name: Verify existing artifacts and resume publication
+        env:
+          AWS_ACCESS_KEY_ID: ${{ secrets.S3_ACCESS_KEY_ID }}
+          AWS_SECRET_ACCESS_KEY: ${{ secrets.S3_SECRET_ACCESS_KEY }}
+          AWS_EC2_METADATA_DISABLED: "true"
+          AWS_REQUEST_CHECKSUM_CALCULATION: when_required
+          AWS_RESPONSE_CHECKSUM_VALIDATION: when_required
+        run: |
+          aws --version | grep '^aws-cli/2\.' || { echo 'Install AWS CLI v2 permanently on this runner.' >&2; exit 1; }
+          node native/publish-macos.mjs resume

.github/workflows/native-checks.yml

@@ -0,0 +1,57 @@
+name: Native JavaScript checks
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - "native/**"
+      - ".github/**"
+      - "package.json"
+      - "pnpm-lock.yaml"
+      - "eslint.config.mjs"
+      - "resources/css/app.css"
+  pull_request:
+    paths:
+      - "native/**"
+      - ".github/**"
+      - "package.json"
+      - "pnpm-lock.yaml"
+      - "eslint.config.mjs"
+      - "resources/css/app.css"
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  native_javascript:
+    name: Native launcher and release tests
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          persist-credentials: false
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@0ebf47130e4866e96fce0953f49152a61190b271 # v11.7.0
+        with:
+          package-json-file: package.json
+
+      - name: Setup Node.js
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
+        with:
+          node-version: 22
+          cache: pnpm
+          cache-dependency-path: pnpm-lock.yaml
+
+      - name: Install locked development dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Lint native JavaScript
+        run: pnpm exec eslint native --max-warnings 0
+
+      - name: Test native launcher and release safeguards without credentials
+        run: node --test native/tests/*.test.js

.gitignore

@@ -28,3 +28,16 @@ yarn-error.log
 /.vscode
 /.zed
 .codex/config.toml
+
+/native/node_modules
+/native/src-tauri/target
+/native/src-tauri/gen/*
+!/native/src-tauri/gen/android/
+!/native/src-tauri/gen/apple/
+/native/src-tauri/gen/apple/build/
+/native/src-tauri/gen/apple/Externals/
+/native/src-tauri/gen/apple/assets/
+/native/src-tauri/gen/apple/Pods/
+/native/src-tauri/gen/apple/ExportOptions.plist
+/native/src-tauri/gen/apple/**/*.xcuserstate
+/native/src-tauri/gen/apple/**/xcuserdata/

AGENTS.md

@@ -1,3 +1,9 @@
+# Working Agreements
+
+## Missing programs and SDKs
+
+If implementation or verification requires a missing program, SDK, runtime, toolchain, or platform component, do not download or install a temporary copy in `/tmp` or another temporary directory. Do not use an ad hoc toolchain as a workaround. Tell the user which prerequisites are missing, ask them to install them permanently and confirm when installation is complete, and wait for that confirmation before continuing dependent work. This rule applies to every implementation task in this project.
+
 <laravel-boost-guidelines>
 === foundation rules ===
 

eslint.config.mjs

@@ -27,7 +27,9 @@ const eslintConfig = [
         ignores: [
             'bootstrap/ssr/**',
             '**/dist/**',
-            'node_modules/**',
+            '**/node_modules/**',
+            'native/src-tauri/target/**',
+            'native/src-tauri/gen/**',
             '.github/**',
             '**/*.yml',
             '**/*.yaml',

native/macos-ci.mjs

@@ -0,0 +1,267 @@
+import { spawnSync } from 'node:child_process';
+import { createHash } from 'node:crypto';
+import {
+    appendFileSync,
+    copyFileSync,
+    readlinkSync,
+    existsSync,
+    mkdirSync,
+    mkdtempSync,
+    readFileSync,
+    renameSync,
+    rmSync,
+    writeFileSync,
+} from 'node:fs';
+import { dirname, join, resolve } from 'node:path';
+import process from 'node:process';
+import { updateSource } from './update-manifest.mjs';
+import { fileURLToPath, pathToFileURL } from 'node:url';
+import {
+    appleTeamId,
+    bundleIdentifier,
+    verifySignedMacosApp,
+} from './release-macos.mjs';
+
+const nativeDirectory = dirname(fileURLToPath(import.meta.url));
+
+export function releaseMetadata(
+    env = process.env,
+    directory = nativeDirectory,
+) {
+    const config = JSON.parse(
+        readFileSync(join(directory, 'src-tauri/tauri.conf.json'), 'utf8'),
+    );
+    const nativePackage = JSON.parse(
+        readFileSync(join(directory, 'package.json'), 'utf8'),
+    );
+    const packageVersion = nativePackage.version;
+    const cargoVersion = readFileSync(
+        join(directory, 'src-tauri/Cargo.toml'),
+        'utf8',
+    )
+        .match(/\[package\]([\s\S]*?)(?:\n\[|$)/)?.[1]
+        .match(/^version\s*=\s*"([^"]+)"/m)?.[1];
+    if (
+        !/^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)$/.test(config.version) ||
+        config.version !== packageVersion ||
+        config.version !== cargoVersion
+    ) {
+        throw new Error(
+            'Tauri, package.json and Cargo.toml must have the same stable release version.',
+        );
+    }
+    if (env.RELEASE_TAG !== `macos-v${config.version}`) {
+        throw new Error(
+            'Release tag must be macos-vMAJOR.MINOR.PATCH and match the app version.',
+        );
+    }
+    if (
+        config.identifier !== bundleIdentifier ||
+        config.productName !== 'KanbanGit'
+    ) {
+        throw new Error(
+            'The macOS product name and bundle identifier must stay unchanged.',
+        );
+    }
+    if (config.plugins?.updater?.pubkey !== updateSource.publicKey) {
+        throw new Error(
+            'The app updater key must match the permanent release key.',
+        );
+    }
+    if (
+        !/^\d+(?:\.\d+){0,2}$/.test(config.bundle?.macOS?.bundleVersion || '')
+    ) {
+        throw new Error(
+            'Set a numeric macOS bundleVersion for the About build number.',
+        );
+    }
+    if (!nativePackage.releaseNotes?.trim()) {
+        throw new Error(
+            'Add releaseNotes to native/package.json before publishing.',
+        );
+    }
+    const target = env.MACOS_RELEASE_TARGET || 'aarch64-apple-darwin';
+    const arch = {
+        'aarch64-apple-darwin': 'arm64',
+        'x86_64-apple-darwin': 'x86_64',
+    }[target];
+    if (!arch) {
+        throw new Error(
+            'MACOS_RELEASE_TARGET must select Apple Silicon or Intel macOS.',
+        );
+    }
+    const identity = env.APPLE_SIGNING_IDENTITY;
+    if (
+        !identity?.startsWith('Developer ID Application: ') ||
+        !identity.endsWith(` (${appleTeamId})`) ||
+        /[\r\n"]/.test(identity)
+    ) {
+        throw new Error(
+            `A Developer ID Application identity for ${appleTeamId} is required.`,
+        );
+    }
+    return {
+        version: config.version,
+        notes: nativePackage.releaseNotes,
+        target,
+        arch,
+        filename: `KanbanGit-${config.version}-${target}.dmg`,
+        updaterFilename: `KanbanGit-${config.version}-${target}.app.tar.gz`,
+    };
+}
+
+export function execute(command, args) {
+    const result = spawnSync(command, args, {
+        encoding: 'utf8',
+        maxBuffer: 16 * 1024 * 1024,
+    });
+    if (result.error || result.status !== 0) {
+        throw new Error(
+            `${command} failed (exit ${result.status ?? 'unknown'}). ${result.stderr || ''}`,
+        );
+    }
+    return result.stdout?.trim() || result.stderr?.trim() || '';
+}
+
+export function verifyNotarizedApp(app, metadata, run = execute) {
+    verifySignedMacosApp({
+        app,
+        version: metadata.version,
+        step: (_label, command, args) => run(command, args),
+    });
+    const arch = run('lipo', [
+        '-archs',
+        join(app, 'Contents/MacOS/kanbangit-native'),
+    ]).trim();
+    if (arch !== metadata.arch) {
+        throw new Error(
+            'The app architecture does not match its download path.',
+        );
+    }
+    run('xcrun', ['stapler', 'validate', app]);
+    run('spctl', ['--assess', '--type', 'execute', '--verbose=2', app]);
+}
+
+export function packageNotarizedApp({
+    env = process.env,
+    directory = nativeDirectory,
+    run = execute,
+} = {}) {
+    const metadata = releaseMetadata(env, directory);
+    const root = join(directory, 'src-tauri/target');
+    const app = join(
+        root,
+        metadata.target,
+        'release/bundle/macos/KanbanGit.app',
+    );
+    verifyNotarizedApp(app, metadata, run);
+    const releaseRoot = join(root, 'macos-release');
+    const destination = join(
+        releaseRoot,
+        `${metadata.version}-${metadata.target}`,
+    );
+    if (existsSync(destination)) {
+        throw new Error(
+            'Release output already exists; start from a clean checkout.',
+        );
+    }
+    mkdirSync(releaseRoot, { recursive: true });
+    const staging = mkdtempSync(join(releaseRoot, '.pending-'));
+    try {
+        const archive = join(staging, metadata.filename);
+        const bundle = join(root, metadata.target, 'release/bundle');
+        copyFileSync(
+            join(
+                bundle,
+                'dmg',
+                `KanbanGit_${metadata.version}_${metadata.arch === 'arm64' ? 'aarch64' : 'x64'}.dmg`,
+            ),
+            archive,
+        );
+        const mounted = join(staging, 'mounted');
+        mkdirSync(mounted);
+        run('hdiutil', ['verify', archive]);
+        run('hdiutil', [
+            'attach',
+            archive,
+            '-readonly',
+            '-nobrowse',
+            '-mountpoint',
+            mounted,
+        ]);
+        try {
+            if (
+                readlinkSync(join(mounted, 'Applications')) !== '/Applications'
+            ) {
+                throw new Error(
+                    'DMG must contain the Applications installation link.',
+                );
+            }
+            verifyNotarizedApp(join(mounted, 'KanbanGit.app'), metadata, run);
+        } finally {
+            run('hdiutil', ['detach', mounted]);
+        }
+        rmSync(mounted, { recursive: true, force: true });
+        const updateArchive = join(staging, metadata.updaterFilename);
+        copyFileSync(join(bundle, 'macos/KanbanGit.app.tar.gz'), updateArchive);
+        copyFileSync(
+            join(bundle, 'macos/KanbanGit.app.tar.gz.sig'),
+            `${updateArchive}.sig`,
+        );
+        if (!readFileSync(`${updateArchive}.sig`, 'utf8').trim()) {
+            throw new Error('The updater signature is missing.');
+        }
+        const extracted = join(staging, 'extracted');
+        mkdirSync(extracted);
+        run('tar', ['-xzf', updateArchive, '-C', extracted]);
+        verifyNotarizedApp(join(extracted, 'KanbanGit.app'), metadata, run);
+        rmSync(extracted, { recursive: true, force: true });
+        const checksum = createHash('sha256')
+            .update(readFileSync(archive))
+            .digest('hex');
+        for (const name of [metadata.filename, metadata.updaterFilename]) {
+            const hash = createHash('sha256')
+                .update(readFileSync(join(staging, name)))
+                .digest('hex');
+            writeFileSync(
+                join(staging, `${name}.sha256`),
+                `${hash}  ${name}\n`,
+            );
+        }
+        renameSync(staging, destination);
+        return { ...metadata, directory: destination, checksum };
+    } finally {
+        rmSync(staging, { recursive: true, force: true });
+    }
+}
+
+if (
+    process.argv[1] &&
+    import.meta.url === pathToFileURL(resolve(process.argv[1])).href
+) {
+    try {
+        let output;
+        if (process.argv[2] === 'metadata') {
+            output = releaseMetadata();
+        } else if (process.argv[2] === 'package') {
+            output = packageNotarizedApp();
+        } else {
+            throw new Error(
+                'Use metadata or package. Building and notarizing are handled by tauri-action.',
+            );
+        }
+        if (process.env.GITHUB_OUTPUT) {
+            appendFileSync(
+                process.env.GITHUB_OUTPUT,
+                Object.entries(output)
+                    .filter(([key]) => key !== 'notes')
+                    .map(([key, value]) => `${key}=${value}\n`)
+                    .join(''),
+            );
+        }
+        console.log(JSON.stringify(output));
+    } catch (error) {
+        console.error(error.message);
+        process.exitCode = 1;
+    }
+}

native/macos-dmg.mjs

@@ -0,0 +1,25 @@
+import { mkdirSync, rmSync, symlinkSync } from 'node:fs';
+import { dirname, join } from 'node:path';
+
+export function createDiskImage({ app, archive, identity, run }) {
+    const contents = join(dirname(archive), 'dmg-contents');
+    mkdirSync(contents);
+    try {
+        run('ditto', [app, join(contents, 'KanbanGit.app')]);
+        symlinkSync('/Applications', join(contents, 'Applications'));
+        run('hdiutil', [
+            'create',
+            '-volname',
+            'KanbanGit',
+            '-srcfolder',
+            contents,
+            '-format',
+            'UDZO',
+            archive,
+        ]);
+        run('codesign', ['--sign', identity, '--timestamp', archive]);
+        run('hdiutil', ['verify', archive]);
+    } finally {
+        rmSync(contents, { recursive: true, force: true });
+    }
+}

native/package.json

@@ -0,0 +1,28 @@
+{
+    "name": "kanbangit-native",
+    "version": "0.1.4",
+    "private": true,
+    "type": "module",
+    "scripts": {
+        "dev": "tauri dev",
+        "build": "tauri build",
+        "build:macos": "tauri build --debug --bundles app",
+        "release:macos": "node release-macos.mjs",
+        "test": "node --test tests/*.test.js && cargo test --manifest-path src-tauri/Cargo.toml --locked",
+        "check": "cargo fmt --manifest-path src-tauri/Cargo.toml --check && cargo clippy --manifest-path src-tauri/Cargo.toml --locked --all-targets --all-features -- -D warnings",
+        "dev:android": "tauri android dev",
+        "build:android": "tauri android build --debug --apk --target aarch64",
+        "smoke:macos": "cargo test --manifest-path src-tauri/Cargo.toml --locked --features smoke-test,custom-protocol --test macos_smoke",
+        "dev:ios": "tauri ios dev",
+        "build:ios:simulator": "rm -rf src-tauri/gen/apple/build/arm64-sim/KanbanGit.app && tauri ios build --debug --target aarch64-sim --no-sign --ci",
+        "build:ios:device": "tauri ios build --debug --target aarch64 --export-method debugging --archive-only",
+        "open:ios": "tauri ios dev --open --no-dev-server",
+        "prepare:ios": "xcodegen generate --spec src-tauri/gen/apple/project.yml",
+        "test:ios": "xcodebuild -project src-tauri/gen/apple/kanbangit-native.xcodeproj -scheme kanbangit-native_iOS -configuration debug -destination \"platform=iOS Simulator,id=${IOS_SIMULATOR_ID:?Set IOS_SIMULATOR_ID to an installed simulator UUID}\" -parallel-testing-enabled NO CODE_SIGNING_ALLOWED=NO test",
+        "smoke:updater": "cargo test --manifest-path src-tauri/Cargo.toml --locked --features smoke-test,custom-protocol --test updater_smoke"
+    },
+    "devDependencies": {
+        "@tauri-apps/cli": "2.11.4"
+    },
+    "releaseNotes": "About KanbanGit and Software updates show the installed app build number correctly. Release publishing now handles Hetzner responses with empty error messages when updating the feed."
+}

native/pnpm-lock.yaml

@@ -0,0 +1,140 @@
+lockfileVersion: '9.0'
+
+settings:
+  autoInstallPeers: true
+  excludeLinksFromLockfile: false
+
+importers:
+
+  .:
+    devDependencies:
+      '@tauri-apps/cli':
+        specifier: 2.11.4
+        version: 2.11.4
+
+packages:
+
+  '@tauri-apps/cli-darwin-arm64@2.11.4':
+    resolution: {integrity: sha512-1ryOF3ZhpZ/nemHV5zVwBQBz9jDGKmKPvWPADOhc83ig0P4bMc2iER4NbC6r9sjeIZ6RVQ4g3RZIYvezhcl4TQ==}
+    engines: {node: '>= 10'}
+    cpu: [arm64]
+    os: [darwin]
+
+  '@tauri-apps/cli-darwin-x64@2.11.4':
+    resolution: {integrity: sha512-uFsGQAAfuyz1k/yGLmkWfkBlgKAqZfxqlHmLWx81QU27RJWfmbNHCIq8T8w1e+VClleIuZUjpHWfoE4E3DLo3A==}
+    engines: {node: '>= 10'}
+    cpu: [x64]
+    os: [darwin]
+
+  '@tauri-apps/cli-linux-arm-gnueabihf@2.11.4':
+    resolution: {integrity: sha512-IaHZn5CdBL21oUmjiVOS1ctw6Ip1O0pjp70FwOWmYz1myWe0SY96ZIj2FYf7pT0m8bI2h/hrs5ZbEXXh44/MkQ==}
+    engines: {node: '>= 10'}
+    cpu: [arm]
+    os: [linux]
+
+  '@tauri-apps/cli-linux-arm64-gnu@2.11.4':
+    resolution: {integrity: sha512-N41/ukTRVe6XSuUTESuFdGeOW2i7k62tK+6gHK5Kd5/q5RPvvi19GaWAVPPb9u95HSGmTChSolBfzynUsssFaA==}
+    engines: {node: '>= 10'}
+    cpu: [arm64]
+    os: [linux]
+    libc: [glibc]
+
+  '@tauri-apps/cli-linux-arm64-musl@2.11.4':
+    resolution: {integrity: sha512-v277UnT/fB64xAfSroL5N3Km3tLmvATWqJJw/wRI+g6o+HkeD0slyE7gOhNs1MbjE41R7bQOTxMVoL3aomUJmw==}
+    engines: {node: '>= 10'}
+    cpu: [arm64]
+    os: [linux]
+    libc: [musl]
+
+  '@tauri-apps/cli-linux-riscv64-gnu@2.11.4':
+    resolution: {integrity: sha512-qqgNkQ2u1yZHxjhxsZaxUtRDW8dIqIYm33rx/mzwQv0SfY9x1B+iraj8vWeFiXjjSVVhEMepXSOts1TqPzvXNQ==}
+    engines: {node: '>= 10'}
+    cpu: [riscv64]
+    os: [linux]
+    libc: [glibc]
+
+  '@tauri-apps/cli-linux-x64-gnu@2.11.4':
+    resolution: {integrity: sha512-2VRNWl84FOH0m2giiDkO2h0QXlcMJeX+zJDpI5kDIQAx6s+geF3v48F4DXfJez4GS/FdoDGnPnw1C2iYGbQ7bQ==}
+    engines: {node: '>= 10'}
+    cpu: [x64]
+    os: [linux]
+    libc: [glibc]
+
+  '@tauri-apps/cli-linux-x64-musl@2.11.4':
+    resolution: {integrity: sha512-o9GyhYor/nc7xarmwDE3ka2szuW3uuZzXjHWh64Q8YX5AtSgxdQkFWzrY4O8KiGtVNvFBI14H3Q49Qj5TOIP/A==}
+    engines: {node: '>= 10'}
+    cpu: [x64]
+    os: [linux]
+    libc: [musl]
+
+  '@tauri-apps/cli-win32-arm64-msvc@2.11.4':
+    resolution: {integrity: sha512-ld5Ehb598m0VkYyylRPNeCFsBe/km0jxis6KgMpl3IGY6I/i1RwQXO05I1AsXUXO2WC6AvB/Lw4qTf/asiuEiQ==}
+    engines: {node: '>= 10'}
+    cpu: [arm64]
+    os: [win32]
+
+  '@tauri-apps/cli-win32-ia32-msvc@2.11.4':
+    resolution: {integrity: sha512-12Hxi0XX/H5VFxO/bGgHkFWhml9VMgEOu9CidjeCeTNQ1l6fpUlbiGgSP7CLI3PFtW9/FfbeHieZ+kyWK5H7CA==}
+    engines: {node: '>= 10'}
+    cpu: [ia32]
+    os: [win32]
+
+  '@tauri-apps/cli-win32-x64-msvc@2.11.4':
+    resolution: {integrity: sha512-+vDiqBIU5dMISg/wNvX3sF+ZHfgJGJ5T0AcO+EHNXV9GGAG+P5fzodlDXD3QdKCRgZxMoCm5PPvj3BqLNjBthw==}
+    engines: {node: '>= 10'}
+    cpu: [x64]
+    os: [win32]
+
+  '@tauri-apps/cli@2.11.4':
+    resolution: {integrity: sha512-R8xGtMpwyetawSqm9kYOuMmEqkhUbvcUy8n0aNXIxollKBLESUu5f4Fx+64hgASYm1H+jSWq6jCW6zqTnH6hqQ==}
+    engines: {node: '>= 10'}
+    hasBin: true
+
+snapshots:
+
+  '@tauri-apps/cli-darwin-arm64@2.11.4':
+    optional: true
+
+  '@tauri-apps/cli-darwin-x64@2.11.4':
+    optional: true
+
+  '@tauri-apps/cli-linux-arm-gnueabihf@2.11.4':
+    optional: true
+
+  '@tauri-apps/cli-linux-arm64-gnu@2.11.4':
+    optional: true
+
+  '@tauri-apps/cli-linux-arm64-musl@2.11.4':
+    optional: true
+
+  '@tauri-apps/cli-linux-riscv64-gnu@2.11.4':
+    optional: true
+
+  '@tauri-apps/cli-linux-x64-gnu@2.11.4':
+    optional: true
+
+  '@tauri-apps/cli-linux-x64-musl@2.11.4':
+    optional: true
+
+  '@tauri-apps/cli-win32-arm64-msvc@2.11.4':
+    optional: true
+
+  '@tauri-apps/cli-win32-ia32-msvc@2.11.4':
+    optional: true
+
+  '@tauri-apps/cli-win32-x64-msvc@2.11.4':
+    optional: true
+
+  '@tauri-apps/cli@2.11.4':
+    optionalDependencies:
+      '@tauri-apps/cli-darwin-arm64': 2.11.4
+      '@tauri-apps/cli-darwin-x64': 2.11.4
+      '@tauri-apps/cli-linux-arm-gnueabihf': 2.11.4
+      '@tauri-apps/cli-linux-arm64-gnu': 2.11.4
+      '@tauri-apps/cli-linux-arm64-musl': 2.11.4
+      '@tauri-apps/cli-linux-riscv64-gnu': 2.11.4
+      '@tauri-apps/cli-linux-x64-gnu': 2.11.4
+      '@tauri-apps/cli-linux-x64-musl': 2.11.4
+      '@tauri-apps/cli-win32-arm64-msvc': 2.11.4
+      '@tauri-apps/cli-win32-ia32-msvc': 2.11.4
+      '@tauri-apps/cli-win32-x64-msvc': 2.11.4

native/pnpm-workspace.yaml

@@ -0,0 +1 @@
+minimumReleaseAge: 10080

native/publish-macos.mjs

@@ -0,0 +1,462 @@
+import { Buffer } from 'node:buffer';
+import { createHash } from 'node:crypto';
+import {
+    appendFileSync,
+    mkdtempSync,
+    readFileSync,
+    rmSync,
+    writeFileSync,
+} from 'node:fs';
+import { tmpdir } from 'node:os';
+import { join, resolve } from 'node:path';
+import process from 'node:process';
+import { setTimeout } from 'node:timers/promises';
+import { pathToFileURL } from 'node:url';
+import { execute, releaseMetadata } from './macos-ci.mjs';
+import {
+    compareVersions,
+    updateManifest,
+    updateSource,
+    verifyUpdateSignature,
+} from './update-manifest.mjs';
+
+export function storageConfiguration(env = process.env) {
+    const region = env.S3_REGION;
+    const bucket = env.S3_BUCKET;
+    const prefix = env.S3_PREFIX || 'releases/macos';
+    if (!['nbg1', 'fsn1', 'hel1'].includes(region)) {
+        throw new Error('S3_REGION must be nbg1, fsn1 or hel1.');
+    }
+    if (!/^[a-z0-9][a-z0-9-]{1,61}[a-z0-9]$/.test(bucket || '')) {
+        throw new Error('Set S3_BUCKET to the Hetzner release bucket name.');
+    }
+    if (!/^[a-zA-Z0-9_-]+(?:\/[a-zA-Z0-9_-]+)*$/.test(prefix)) {
+        throw new Error(
+            'S3_PREFIX must contain plain path segments without leading or trailing slashes.',
+        );
+    }
+    const endpoint = `https://${region}.your-objectstorage.com`;
+    const publicBase =
+        env.S3_PUBLIC_BASE_URL ||
+        `https://${bucket}.${region}.your-objectstorage.com`;
+    const url = new URL(publicBase);
+    if (
+        url.protocol !== 'https:' ||
+        url.username ||
+        url.password ||
+        url.search ||
+        url.hash ||
+        /[\s]/.test(publicBase)
+    ) {
+        throw new Error(
+            'S3_PUBLIC_BASE_URL must be a public HTTPS URL without credentials or query parameters.',
+        );
+    }
+    return {
+        region,
+        bucket,
+        prefix,
+        endpoint,
+        publicBase: publicBase.replace(/\/$/, ''),
+    };
+}
+
+const sha256 = (data) => createHash('sha256').update(data).digest('hex');
+
+export function conditionalEtag(etag) {
+    const value =
+        typeof etag === 'string' && etag.startsWith('"') && etag.endsWith('"')
+            ? etag.slice(1, -1)
+            : etag;
+    if (
+        typeof value !== 'string' ||
+        !/^[a-f\d]{32}(?:-[1-9]\d*)?$/i.test(value)
+    ) {
+        throw new Error(
+            'Cannot atomically update the feed without a valid S3 ETag.',
+        );
+    }
+    // Hetzner returns quoted ETags on GET but compares bare values on conditional PUT.
+    return value;
+}
+
+function requiresExistingObjectCheck(error) {
+    // AWS CLI can crash while formatting Hetzner's empty error Message.
+    // This only permits a readback; content checks and conditional writes still apply.
+    return /\(PreconditionFailed\)|\(412\)|argument of type 'NoneType' is not (?:a container or )?iterable/.test(
+        error.message,
+    );
+}
+
+export async function publishMacos({
+    env = process.env,
+    directory,
+    metadata,
+    run = execute,
+    fetchPublic = fetch,
+    wait = setTimeout,
+    publicKey = updateSource.publicKey,
+    feedBase = updateSource.baseUrl,
+} = {}) {
+    const storage = storageConfiguration(env);
+    if (`${storage.publicBase}/${storage.prefix}` !== feedBase) {
+        throw new Error(
+            'Release storage does not match the update source bundled in the app.',
+        );
+    }
+    if (!env.AWS_ACCESS_KEY_ID || !env.AWS_SECRET_ACCESS_KEY) {
+        throw new Error(
+            'Set the dedicated S3_ACCESS_KEY_ID and S3_SECRET_ACCESS_KEY release secrets.',
+        );
+    }
+    const archive = readFileSync(join(directory, metadata.filename));
+    const checksum = sha256(archive);
+    const checksumFile = readFileSync(
+        join(directory, `${metadata.filename}.sha256`),
+    );
+    if (checksumFile.toString() !== `${checksum}  ${metadata.filename}\n`) {
+        throw new Error('Release archive does not match its SHA-256 file.');
+    }
+    const updater = readFileSync(join(directory, metadata.updaterFilename));
+    const signature = readFileSync(
+        join(directory, `${metadata.updaterFilename}.sig`),
+        'utf8',
+    );
+    verifyUpdateSignature(updater, signature, publicKey);
+    const updateChecksum = readFileSync(
+        join(directory, `${metadata.updaterFilename}.sha256`),
+    );
+    if (
+        updateChecksum.toString() !==
+        `${sha256(updater)}  ${metadata.updaterFilename}\n`
+    ) {
+        throw new Error('Updater archive does not match its SHA-256 file.');
+    }
+    const common = [
+        '--endpoint-url',
+        storage.endpoint,
+        '--region',
+        storage.region,
+        '--no-cli-pager',
+        's3api',
+    ];
+    function s3(operation, args) {
+        try {
+            return run('aws', [
+                ...common,
+                operation,
+                '--bucket',
+                storage.bucket,
+                ...args,
+            ]);
+        } catch (error) {
+            const keyIndex = args.indexOf('--key');
+            const key = keyIndex >= 0 ? ` ${args[keyIndex + 1]}` : '';
+            throw new Error(`S3 ${operation}${key}: ${error.message}`, {
+                cause: error,
+            });
+        }
+    }
+    const versioningOutput = s3('get-bucket-versioning', [
+        '--output',
+        'json',
+    ]).trim();
+    let versioning;
+    try {
+        // AWS CLI prints nothing for a successful empty VersioningConfiguration.
+        versioning = JSON.parse(versioningOutput || '{}');
+    } catch {
+        throw new Error('Invalid JSON from S3 bucket versioning check.');
+    }
+    if (
+        !versioning ||
+        typeof versioning !== 'object' ||
+        Array.isArray(versioning)
+    ) {
+        throw new Error(
+            'Invalid S3 bucket versioning response: expected an object.',
+        );
+    }
+    if (versioning.Status) {
+        throw new Error(
+            'Use an unversioned release bucket: Hetzner does not support conditional writes on versioned buckets.',
+        );
+    }
+    const staging = mkdtempSync(join(tmpdir(), 'kanbangit-s3-'));
+    const keyPrefix = `${storage.prefix}/${metadata.target}/${metadata.version}`;
+    const publicPrefix = `${storage.publicBase}/${keyPrefix}`;
+    async function verifyPublic(name, contents, prefix = publicPrefix) {
+        for (let attempt = 1; attempt <= 5; attempt++) {
+            let response;
+            try {
+                response = await fetchPublic(`${prefix}/${name}`, {
+                    redirect: 'error',
+                    signal: AbortSignal.timeout(60000),
+                });
+            } catch (error) {
+                if (attempt === 5) {
+                    throw new Error(
+                        `Public download request failed for ${name}: ${error.message}`,
+                    );
+                }
+                await wait(2000);
+                continue;
+            }
+            if (response.ok) {
+                if (
+                    sha256(Buffer.from(await response.arrayBuffer())) !==
+                    sha256(contents)
+                ) {
+                    throw new Error(
+                        `Public download verification failed for ${name}: SHA-256 mismatch.`,
+                    );
+                }
+                return;
+            }
+            await response.body?.cancel();
+            const retryable = [403, 404, 408, 429, 500, 502, 503, 504].includes(
+                response.status,
+            );
+            if (!retryable || attempt === 5) {
+                throw new Error(
+                    `Public download verification failed for ${name}: HTTP ${response.status}.`,
+                );
+            }
+            await wait(2000);
+        }
+    }
+    function putImmutable(name, contents, contentType) {
+        const file = join(staging, name);
+        writeFileSync(file, contents);
+        try {
+            s3('put-object', [
+                '--key',
+                `${keyPrefix}/${name}`,
+                '--body',
+                file,
+                '--if-none-match',
+                '*',
+                '--content-type',
+                contentType,
+                '--cache-control',
+                'public, max-age=31536000, immutable',
+                '--content-md5',
+                createHash('md5').update(contents).digest('base64'),
+                '--metadata',
+                `sha256=${sha256(contents)}`,
+            ]);
+        } catch (error) {
+            if (!requiresExistingObjectCheck(error)) {
+                throw error;
+            }
+            const existing = join(staging, `existing-${name}`);
+            s3('get-object', ['--key', `${keyPrefix}/${name}`, existing]);
+            if (sha256(readFileSync(existing)) !== sha256(contents)) {
+                throw new Error(
+                    `Published ${name} differs; bump the app version. Existing objects were not overwritten.`,
+                );
+            }
+        }
+    }
+    try {
+        const files = [
+            [metadata.filename, archive, 'application/x-apple-diskimage'],
+            [metadata.updaterFilename, updater, 'application/gzip'],
+            [
+                `${metadata.updaterFilename}.sig`,
+                Buffer.from(signature),
+                'text/plain; charset=utf-8',
+            ],
+            [
+                `${metadata.updaterFilename}.sha256`,
+                updateChecksum,
+                'text/plain; charset=utf-8',
+            ],
+            [
+                `${metadata.filename}.sha256`,
+                checksumFile,
+                'text/plain; charset=utf-8',
+            ],
+        ];
+        for (const [name, contents, type] of files) {
+            putImmutable(name, contents, type);
+            await verifyPublic(name, contents);
+        }
+        // Completion metadata is written only after every public artifact matches.
+        const manifest = Buffer.from(
+            JSON.stringify(
+                {
+                    version: metadata.version,
+                    target: metadata.target,
+                    url: `${publicPrefix}/${metadata.filename}`,
+                    sha256: checksum,
+                    checksumUrl: `${publicPrefix}/${metadata.filename}.sha256`,
+                },
+                null,
+                2,
+            ) + '\n',
+        );
+        putImmutable('release.json', manifest, 'application/json');
+        await verifyPublic('release.json', manifest);
+        const latest = Buffer.from(
+            JSON.stringify(
+                updateManifest(
+                    metadata,
+                    publicPrefix,
+                    signature,
+                    metadata.notes,
+                ),
+                null,
+                2,
+            ) + '\n',
+        );
+        putImmutable('update.json', latest, 'application/json');
+        await verifyPublic('update.json', latest);
+        const latestPrefix = `${storage.prefix}/${metadata.target}`;
+        const latestKey = `${latestPrefix}/latest.json`;
+        const latestFile = join(staging, 'latest.json');
+        writeFileSync(latestFile, latest);
+        function publishLatest(condition) {
+            s3('put-object', [
+                '--key',
+                latestKey,
+                '--body',
+                latestFile,
+                ...condition,
+                '--content-type',
+                'application/json',
+                '--cache-control',
+                'no-cache, max-age=0, must-revalidate',
+                '--content-md5',
+                createHash('md5').update(latest).digest('base64'),
+            ]);
+        }
+        try {
+            publishLatest(['--if-none-match', '*']);
+        } catch (error) {
+            if (!requiresExistingObjectCheck(error)) {
+                throw error;
+            }
+            const previousFile = join(staging, 'previous-latest.json');
+            const response = JSON.parse(
+                s3('get-object', [
+                    '--key',
+                    latestKey,
+                    '--output',
+                    'json',
+                    previousFile,
+                ]),
+            );
+            const previousBytes = readFileSync(previousFile);
+            const previous = JSON.parse(previousBytes);
+            const comparison = compareVersions(
+                metadata.version,
+                previous.version,
+            );
+            if (comparison < 0) {
+                throw new Error('Refusing to downgrade the update feed.');
+            }
+            if (comparison === 0) {
+                if (!previousBytes.equals(latest)) {
+                    throw new Error(
+                        'Published update metadata differs; bump the app version.',
+                    );
+                }
+            } else {
+                publishLatest(['--if-match', conditionalEtag(response.ETag)]);
+            }
+        }
+        await verifyPublic(
+            'latest.json',
+            latest,
+            `${storage.publicBase}/${latestPrefix}`,
+        );
+        return `${publicPrefix}/${metadata.filename}`;
+    } finally {
+        rmSync(staging, { recursive: true, force: true });
+    }
+}
+
+export async function resumeMacos(options = {}) {
+    const env = options.env ?? process.env;
+    const metadata = options.metadata ?? releaseMetadata(env);
+    const storage = storageConfiguration(env);
+    const feedBase = options.feedBase ?? updateSource.baseUrl;
+    if (`${storage.publicBase}/${storage.prefix}` !== feedBase) {
+        throw new Error(
+            'Release storage does not match the update source bundled in the app.',
+        );
+    }
+    const directory = mkdtempSync(join(tmpdir(), 'kanbangit-resume-'));
+    const fetchPublic = options.fetchPublic ?? fetch;
+    const prefix = `${feedBase}/${metadata.target}/${metadata.version}`;
+    try {
+        for (const name of [
+            metadata.filename,
+            `${metadata.filename}.sha256`,
+            metadata.updaterFilename,
+            `${metadata.updaterFilename}.sha256`,
+            `${metadata.updaterFilename}.sig`,
+        ]) {
+            const response = await fetchPublic(`${prefix}/${name}`, {
+                redirect: 'error',
+                signal: AbortSignal.timeout(60000),
+            });
+            if (!response.ok) {
+                await response.body?.cancel();
+                throw new Error(
+                    `Cannot resume incomplete release: ${name} HTTP ${response.status}.`,
+                );
+            }
+            writeFileSync(
+                join(directory, name),
+                Buffer.from(await response.arrayBuffer()),
+            );
+        }
+        // Reuse signature, checksum, immutable content and feed concurrency checks.
+        return await publishMacos({ ...options, env, metadata, directory });
+    } finally {
+        rmSync(directory, { recursive: true, force: true });
+    }
+}
+
+if (
+    process.argv[1] &&
+    import.meta.url === pathToFileURL(resolve(process.argv[1])).href
+) {
+    try {
+        if (process.argv[2] === 'config') {
+            console.log(JSON.stringify(storageConfiguration()));
+        } else if (
+            process.argv[2] === 'resume' ||
+            (process.argv[2] === 'upload' && process.env.RELEASE_DIRECTORY)
+        ) {
+            const publish =
+                process.argv[2] === 'resume' ? resumeMacos : publishMacos;
+            const url = await publish({
+                directory: process.env.RELEASE_DIRECTORY,
+                metadata: releaseMetadata(
+                    process.env,
+                    process.argv[2] === 'resume' &&
+                        process.env.RELEASE_METADATA_DIRECTORY
+                        ? resolve(process.env.RELEASE_METADATA_DIRECTORY)
+                        : undefined,
+                ),
+            });
+            console.log(`Verified public release: ${url}`);
+            if (process.env.GITHUB_STEP_SUMMARY) {
+                appendFileSync(
+                    process.env.GITHUB_STEP_SUMMARY,
+                    `Download: [KanbanGit](${url})\n`,
+                );
+            }
+        } else {
+            throw new Error(
+                'Use config, upload or resume; upload requires RELEASE_DIRECTORY.',
+            );
+        }
+    } catch (error) {
+        console.error(error.message);
+        process.exitCode = 1;
+    }
+}

native/release-macos.mjs

@@ -0,0 +1,478 @@
+import { spawnSync } from 'node:child_process';
+import { createHash } from 'node:crypto';
+import {
+    existsSync,
+    mkdirSync,
+    mkdtempSync,
+    readFileSync,
+    renameSync,
+    rmSync,
+    writeFileSync,
+} from 'node:fs';
+import { dirname, join, resolve } from 'node:path';
+import process from 'node:process';
+import { fileURLToPath, pathToFileURL } from 'node:url';
+import { parseArgs } from 'node:util';
+import { createDiskImage } from './macos-dmg.mjs';
+
+export const appleTeamId = 'ZZX2KZGTHU';
+export const bundleIdentifier = 'de.kanbangit.desktop';
+const submissionIdPattern =
+    /^[\da-f]{8}-[\da-f]{4}-[\da-f]{4}-[\da-f]{4}-[\da-f]{12}$/i;
+
+function execute(command, args, options) {
+    const result = spawnSync(command, args, {
+        cwd: options.cwd,
+        env: options.env,
+        encoding: 'utf8',
+        maxBuffer: 16 * 1024 * 1024,
+        stdio: options.inherit ? 'inherit' : 'pipe',
+    });
+
+    if (result.error || result.status !== 0) {
+        throw new Error(
+            `${options.step} failed${result.error ? `: ${result.error.message}` : ` (exit ${result.status ?? result.signal})`}.`,
+        );
+    }
+
+    return result.stdout?.trim() || result.stderr?.trim() || '';
+}
+
+export function verifySignedMacosApp({ app, version, step }) {
+    step('Verifying Developer ID signature and team', 'codesign', [
+        '--verify',
+        '--deep',
+        '--strict',
+        '--verbose=2',
+        '-R',
+        `=anchor apple generic and identifier "${bundleIdentifier}" and certificate leaf[subject.OU] = "${appleTeamId}" and certificate leaf[field.1.2.840.113635.100.6.1.13] exists`,
+        app,
+    ]);
+    const signature = step('Checking hardened runtime', 'codesign', [
+        '--display',
+        '--verbose=4',
+        app,
+    ]);
+
+    if (!/^CodeDirectory .*flags=.*\bruntime\b/m.test(signature)) {
+        throw new Error(
+            'The release signature does not enable Hardened Runtime.',
+        );
+    }
+
+    const cdhash = signature.match(/^CDHash=([\da-f]+)$/m)?.[1];
+
+    if (!cdhash) {
+        throw new Error(
+            'The signed app has no CodeDirectory hash to match against Apple notarization.',
+        );
+    }
+
+    const bundledVersion = step('Checking bundled release version', 'plutil', [
+        '-extract',
+        'CFBundleShortVersionString',
+        'raw',
+        '-o',
+        '-',
+        join(app, 'Contents/Info.plist'),
+    ]);
+
+    if (bundledVersion.trim() !== version) {
+        throw new Error(
+            'The built app version does not match the release version.',
+        );
+    }
+
+    return cdhash;
+}
+
+export function releaseMacos({
+    env = process.env,
+    platform = process.platform,
+    arch = process.arch,
+    directory = dirname(fileURLToPath(import.meta.url)),
+    run = execute,
+    log = console.log,
+    resumeSubmissionId = null,
+} = {}) {
+    if (platform !== 'darwin') {
+        throw new Error('macOS releases require a Mac with Xcode installed.');
+    }
+
+    if (
+        resumeSubmissionId !== null &&
+        !submissionIdPattern.test(resumeSubmissionId)
+    ) {
+        throw new Error('--resume requires the Apple submission UUID.');
+    }
+
+    if (!env.TAURI_SIGNING_PRIVATE_KEY?.trim()) {
+        throw new Error(
+            'Set TAURI_SIGNING_PRIVATE_KEY to the permanent updater signing key.',
+        );
+    }
+    const identity = env.APPLE_SIGNING_IDENTITY?.trim();
+    const profile = env.APPLE_NOTARY_KEYCHAIN_PROFILE?.trim();
+
+    if (
+        !identity?.startsWith('Developer ID Application: ') ||
+        !identity.endsWith(` (${appleTeamId})`) ||
+        /[\r\n"]/.test(identity)
+    ) {
+        throw new Error(
+            `Set APPLE_SIGNING_IDENTITY to the full Developer ID Application certificate name for team ${appleTeamId}.`,
+        );
+    }
+
+    if (env.APPLE_TEAM_ID && env.APPLE_TEAM_ID !== appleTeamId) {
+        throw new Error(`APPLE_TEAM_ID must be ${appleTeamId}.`);
+    }
+
+    if (!profile) {
+        throw new Error(
+            'Set APPLE_NOTARY_KEYCHAIN_PROFILE to a notarytool profile created with store-credentials for the new Apple team.',
+        );
+    }
+
+    const target =
+        env.MACOS_RELEASE_TARGET ||
+        { arm64: 'aarch64-apple-darwin', x64: 'x86_64-apple-darwin' }[arch];
+
+    if (!['aarch64-apple-darwin', 'x86_64-apple-darwin'].includes(target)) {
+        throw new Error(
+            'MACOS_RELEASE_TARGET must be aarch64-apple-darwin or x86_64-apple-darwin.',
+        );
+    }
+
+    const config = JSON.parse(
+        readFileSync(join(directory, 'src-tauri/tauri.conf.json'), 'utf8'),
+    );
+
+    if (
+        config.identifier !== bundleIdentifier ||
+        config.productName !== 'KanbanGit'
+    ) {
+        throw new Error(
+            'The macOS release must keep the KanbanGit product name and bundle identifier.',
+        );
+    }
+
+    if (!/^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)$/.test(config.version)) {
+        throw new Error(
+            'The macOS release version must be a stable MAJOR.MINOR.PATCH version.',
+        );
+    }
+
+    const targetDirectory = join(directory, 'src-tauri/target');
+    const releaseDirectory = join(targetDirectory, 'macos-release');
+    const destination = join(releaseDirectory, `${config.version}-${target}`);
+
+    if (existsSync(destination)) {
+        throw new Error(
+            `Release output already exists: ${destination}. Move it aside or use a new version.`,
+        );
+    }
+
+    // Notarization is handled below with the explicit keychain profile, never ambient Apple credentials.
+    const buildEnv = Object.fromEntries(
+        Object.entries(env).filter(
+            ([key]) => !key.startsWith('APPLE_') && key !== 'TAURI_CONFIG',
+        ),
+    );
+    buildEnv.APPLE_SIGNING_IDENTITY = identity;
+    buildEnv.CARGO_TARGET_DIR = targetDirectory;
+
+    function step(label, command, args, inherit = false) {
+        log(label);
+
+        return run(command, args, {
+            cwd: directory,
+            env: buildEnv,
+            step: label,
+            inherit,
+        });
+    }
+
+    const identities = step('Checking signing certificate', 'security', [
+        'find-identity',
+        '-v',
+        '-p',
+        'codesigning',
+    ]);
+
+    if (
+        !identities
+            .split('\n')
+            .some((line) => line.trim().endsWith(`"${identity}"`))
+    ) {
+        throw new Error(
+            `Install the Developer ID Application certificate for ${appleTeamId}, including its private key, in an unlocked keychain.`,
+        );
+    }
+
+    const notaryCredentials = ['--keychain-profile', profile];
+
+    if (env.APPLE_NOTARY_KEYCHAIN?.trim()) {
+        notaryCredentials.push('--keychain', env.APPLE_NOTARY_KEYCHAIN.trim());
+    }
+
+    step(
+        'Checking notarization access (check the keychain profile if this fails)',
+        'xcrun',
+        [
+            'notarytool',
+            'history',
+            ...notaryCredentials,
+            '--output-format',
+            'json',
+        ],
+    );
+
+    const app = join(
+        targetDirectory,
+        target,
+        'release/bundle/macos/KanbanGit.app',
+    );
+    if (!resumeSubmissionId) {
+        step(
+            'Building signed macOS release',
+            'pnpm',
+            [
+                'exec',
+                'tauri',
+                'build',
+                '--ci',
+                '--target',
+                target,
+                '--bundles',
+                'app',
+                '--config',
+                JSON.stringify({
+                    bundle: {
+                        createUpdaterArtifacts: false,
+                        macOS: {
+                            signingIdentity: identity,
+                            hardenedRuntime: true,
+                        },
+                    },
+                }),
+                '--',
+                '--locked',
+            ],
+            true,
+        );
+    }
+
+    if (!existsSync(app)) {
+        throw new Error('The release build did not produce KanbanGit.app.');
+    }
+
+    const cdhash = verifySignedMacosApp({ app, version: config.version, step });
+
+    mkdirSync(releaseDirectory, { recursive: true });
+    const staging = mkdtempSync(join(releaseDirectory, '.pending-'));
+
+    try {
+        const submission = join(staging, 'notarization.zip');
+        let submissionId = resumeSubmissionId;
+
+        if (!submissionId) {
+            step('Preparing notarization archive', 'ditto', [
+                '-c',
+                '-k',
+                '--sequesterRsrc',
+                '--keepParent',
+                app,
+                submission,
+            ]);
+            const submitted = JSON.parse(
+                step('Submitting to Apple', 'xcrun', [
+                    'notarytool',
+                    'submit',
+                    submission,
+                    ...notaryCredentials,
+                    '--no-wait',
+                    '--output-format',
+                    'json',
+                ]),
+            );
+            submissionId = submitted.id;
+
+            if (!submissionIdPattern.test(submissionId ?? '')) {
+                throw new Error(
+                    'Apple did not return a valid submission UUID. Check notarytool history before retrying.',
+                );
+            }
+        }
+
+        const resumeHint = `Resume without rebuilding or uploading: pnpm --dir native release:macos --resume ${submissionId}`;
+        log(`Apple submission: ${submissionId}. ${resumeHint}`);
+        writeFileSync(
+            join(
+                targetDirectory,
+                `notarization-${submissionId}.submission.json`,
+            ),
+            JSON.stringify(
+                {
+                    submissionId,
+                    version: config.version,
+                    target,
+                    cdhash,
+                },
+                null,
+                2,
+            ) + '\n',
+        );
+
+        let result;
+
+        try {
+            result = JSON.parse(
+                step('Waiting for Apple notarization', 'xcrun', [
+                    'notarytool',
+                    'wait',
+                    submissionId,
+                    ...notaryCredentials,
+                    '--timeout',
+                    '30m',
+                    '--output-format',
+                    'json',
+                ]),
+            );
+        } catch (error) {
+            throw new Error(
+                `${error.message} Apple may still be processing this submission. ${resumeHint}`,
+            );
+        }
+
+        if (result.status !== 'Accepted') {
+            throw new Error(
+                `Apple did not accept the release (status: ${result.status ?? 'unknown'}, submission: ${submissionId}). Inspect it with notarytool log. ${resumeHint}`,
+            );
+        }
+
+        const notaryLog = JSON.parse(
+            step('Checking Apple notarization log', 'xcrun', [
+                'notarytool',
+                'log',
+                submissionId,
+                ...notaryCredentials,
+            ]),
+        );
+        writeFileSync(
+            join(targetDirectory, `notarization-${submissionId}.log.json`),
+            JSON.stringify(notaryLog, null, 2) + '\n',
+        );
+        const expectedArch =
+            target === 'aarch64-apple-darwin' ? 'arm64' : 'x86_64';
+
+        if (
+            notaryLog.jobId !== submissionId ||
+            notaryLog.status !== 'Accepted' ||
+            !notaryLog.ticketContents?.some(
+                (ticket) =>
+                    ticket.path.endsWith('/KanbanGit.app') &&
+                    ticket.cdhash === cdhash &&
+                    ticket.arch === expectedArch,
+            )
+        ) {
+            throw new Error(
+                'The accepted Apple submission does not match this signed app and architecture. Restore the submitted app or create a new release.',
+            );
+        }
+
+        if (notaryLog.issues?.length) {
+            throw new Error(
+                `Apple reported notarization issues. Review src-tauri/target/notarization-${submissionId}.log.json before distribution.`,
+            );
+        }
+
+        step('Stapling notarization ticket', 'xcrun', [
+            'stapler',
+            'staple',
+            app,
+        ]);
+        step('Validating notarization ticket', 'xcrun', [
+            'stapler',
+            'validate',
+            app,
+        ]);
+        step('Verifying final app signature', 'codesign', [
+            '--verify',
+            '--deep',
+            '--strict',
+            app,
+        ]);
+        step('Checking Gatekeeper acceptance', 'spctl', [
+            '--assess',
+            '--type',
+            'execute',
+            '--verbose=2',
+            app,
+        ]);
+
+        const name = `KanbanGit-${config.version}-${target}.dmg`;
+        const archive = join(staging, name);
+        createDiskImage({
+            app,
+            archive,
+            identity,
+            run: (command, args) =>
+                step('Packaging notarized download', command, args),
+        });
+        const checksum = createHash('sha256')
+            .update(readFileSync(archive))
+            .digest('hex');
+        writeFileSync(`${archive}.sha256`, `${checksum}  ${name}\n`);
+        const updaterName = `KanbanGit-${config.version}-${target}.app.tar.gz`;
+        const updaterArchive = join(staging, updaterName);
+        step('Packaging updater archive', 'tar', [
+            '-czf',
+            updaterArchive,
+            '-C',
+            dirname(app),
+            'KanbanGit.app',
+        ]);
+        step('Signing updater archive', 'pnpm', [
+            'exec',
+            'tauri',
+            'signer',
+            'sign',
+            updaterArchive,
+        ]);
+        const updaterChecksum = createHash('sha256')
+            .update(readFileSync(updaterArchive))
+            .digest('hex');
+        writeFileSync(
+            `${updaterArchive}.sha256`,
+            `${updaterChecksum}  ${updaterName}\n`,
+        );
+        rmSync(submission, { force: true });
+        renameSync(staging, destination);
+        log(`Verified release: ${join(destination, name)}`);
+
+        return {
+            archive: join(destination, name),
+            checksum,
+            version: config.version,
+            target,
+        };
+    } finally {
+        rmSync(staging, { recursive: true, force: true });
+    }
+}
+
+if (
+    process.argv[1] &&
+    import.meta.url === pathToFileURL(resolve(process.argv[1])).href
+) {
+    try {
+        const { values } = parseArgs({
+            options: { resume: { type: 'string' } },
+        });
+        releaseMacos({ resumeSubmissionId: values.resume ?? null });
+    } catch (error) {
+        console.error(`macOS release failed: ${error.message}`);
+        process.exitCode = 1;
+    }
+}

native/src-tauri/Cargo.toml

@@ -0,0 +1,40 @@
+[package]
+name = "kanbangit-native"
+version = "0.1.4"
+description = "KanbanGit native application"
+edition = "2021"
+publish = false
+
+[lib]
+name = "kanbangit_native"
+crate-type = ["staticlib", "cdylib", "rlib"]
+
+[build-dependencies]
+tauri-build = { version = "2", features = [] }
+
+[dependencies]
+semver = "1"
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+tauri = { version = "2", features = [] }
+
+[dev-dependencies]
+tauri = { version = "2", features = ["test"] }
+serde_json = "1"
+
+[features]
+smoke-test = []
+custom-protocol = ["tauri/custom-protocol"]
+
+[[test]]
+name = "macos_smoke"
+harness = false
+required-features = ["smoke-test"]
+
+[target.'cfg(target_os = "macos")'.dependencies]
+tauri-plugin-updater = "=2.12.0"
+
+[[test]]
+name = "updater_smoke"
+harness = false
+required-features = ["smoke-test"]

native/src-tauri/build.rs

@@ -0,0 +1,3 @@
+fn main() {
+    tauri_build::build();
+}

native/src-tauri/gen/android/.editorconfig

@@ -0,0 +1,12 @@
+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = false
+insert_final_newline = false

native/src-tauri/gen/android/.gitignore

@@ -0,0 +1,26 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+build
+/captures
+.externalNativeBuild
+.cxx
+local.properties
+key.properties
+keystore.properties
+
+/.tauri
+/tauri.settings.gradle
+/app/tauri.build.gradle.kts
+/app/src/main/jniLibs
+/app/src/main/java/de/kanbangit/desktop/generated
+
+.kotlin
+/app/tauri.properties

native/src-tauri/gen/android/app/.gitignore

@@ -0,0 +1,6 @@
+/src/main/**/generated
+/src/main/jniLibs/**/*.so
+/src/main/assets/tauri.conf.json
+/tauri.build.gradle.kts
+/proguard-tauri.pro
+/tauri.properties

native/src-tauri/gen/android/app/build.gradle.kts

@@ -0,0 +1,76 @@
+import java.util.Properties
+
+plugins {
+    id("com.android.application")
+    id("org.jetbrains.kotlin.android")
+    id("rust")
+}
+
+val tauriProperties = Properties().apply {
+    val propFile = file("tauri.properties")
+    if (propFile.exists()) {
+        propFile.inputStream().use { load(it) }
+    }
+}
+
+android {
+    compileSdk = 36
+    buildToolsVersion = "36.0.0"
+    namespace = "de.kanbangit.desktop"
+    defaultConfig {
+        manifestPlaceholders["usesCleartextTraffic"] = "false"
+        applicationId = "de.kanbangit.desktop"
+        minSdk = 24
+        targetSdk = 36
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        // Tauri exits the process when its last activity is destroyed; report results first.
+        testInstrumentationRunnerArguments["waitForActivitiesToComplete"] = "false"
+        versionCode = tauriProperties.getProperty("tauri.android.versionCode", "1").toInt()
+        versionName = tauriProperties.getProperty("tauri.android.versionName", "1.0")
+    }
+    buildTypes {
+        getByName("debug") {
+            manifestPlaceholders["usesCleartextTraffic"] = "false"
+            isDebuggable = true
+            isJniDebuggable = true
+            isMinifyEnabled = false
+            packaging {
+                jniLibs.keepDebugSymbols.add("*/arm64-v8a/*.so")
+                jniLibs.keepDebugSymbols.add("*/armeabi-v7a/*.so")
+                jniLibs.keepDebugSymbols.add("*/x86/*.so")
+                jniLibs.keepDebugSymbols.add("*/x86_64/*.so")
+            }
+        }
+        getByName("release") {
+            isMinifyEnabled = true
+            proguardFiles(
+                *fileTree(".") { include("**/*.pro") }
+                    .plus(getDefaultProguardFile("proguard-android-optimize.txt"))
+                    .toList().toTypedArray()
+            )
+        }
+    }
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+    buildFeatures {
+        buildConfig = true
+    }
+}
+
+rust {
+    rootDirRel = "../../../"
+}
+
+dependencies {
+    implementation("androidx.webkit:webkit:1.14.0")
+    implementation("androidx.appcompat:appcompat:1.7.1")
+    implementation("androidx.activity:activity-ktx:1.10.1")
+    implementation("com.google.android.material:material:1.12.0")
+    implementation("androidx.lifecycle:lifecycle-process:2.10.0")
+    testImplementation("junit:junit:4.13.2")
+    androidTestImplementation("androidx.test.ext:junit:1.1.4")
+    androidTestImplementation("androidx.test.espresso:espresso-core:3.5.0")
+}
+
+apply(from = "tauri.build.gradle.kts")

native/src-tauri/gen/android/app/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

native/src-tauri/gen/android/app/src/androidTest/java/de/kanbangit/desktop/PlatformTest.kt

@@ -0,0 +1,116 @@
+package de.kanbangit.desktop
+
+import android.content.Context
+import android.os.SystemClock
+import android.view.InputDevice
+import android.view.MotionEvent
+import android.view.View
+import android.webkit.CookieManager
+import android.webkit.WebView
+import androidx.lifecycle.Lifecycle
+import androidx.test.core.app.ActivityScenario
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import org.junit.Assert.*
+import org.junit.Test
+import org.junit.runner.RunWith
+import java.util.concurrent.CountDownLatch
+import java.util.concurrent.TimeUnit
+import java.util.concurrent.atomic.AtomicReference
+
+@RunWith(AndroidJUnit4::class)
+class PlatformTest {
+    private val instrumentation = InstrumentationRegistry.getInstrumentation()
+
+    private fun evaluate(view: WebView, script: String): String {
+        val result = AtomicReference<String>()
+        val latch = CountDownLatch(1)
+        instrumentation.runOnMainSync { view.evaluateJavascript(script) { result.set(it); latch.countDown() } }
+        assertTrue("JavaScript callback timed out", latch.await(10, TimeUnit.SECONDS))
+        return result.get()
+    }
+
+    private fun waitFor(condition: () -> Boolean) {
+        val end = System.currentTimeMillis() + 25000
+        while (System.currentTimeMillis() < end) {
+            if (condition()) return
+            Thread.sleep(100)
+        }
+        fail("Platform condition timed out")
+    }
+
+    private fun tapCenter(view: View) {
+        val position = IntArray(2)
+        instrumentation.runOnMainSync {
+            view.getLocationOnScreen(position)
+            position[0] += view.width / 2
+            position[1] += view.height / 2
+        }
+        val downTime = SystemClock.uptimeMillis()
+        for (action in listOf(MotionEvent.ACTION_DOWN, MotionEvent.ACTION_UP)) {
+            val event = MotionEvent.obtain(downTime, SystemClock.uptimeMillis(), action, position[0].toFloat(), position[1].toFloat(), 0)
+            event.source = InputDevice.SOURCE_TOUCHSCREEN
+            try {
+                instrumentation.sendPointerSync(event)
+            } finally {
+                event.recycle()
+            }
+        }
+        instrumentation.waitForIdleSync()
+    }
+
+    @Test fun workspacePreservesFormsAndIsolatesServers() {
+        instrumentation.targetContext.getSharedPreferences("workspace", Context.MODE_PRIVATE).edit().clear().commit()
+        val scenario = ActivityScenario.launch(MainActivity::class.java)
+        Thread.sleep(1500)
+        scenario.onActivity { it.openWorkspace("https://kanbangit.de/") }
+        val remote = AtomicReference<WebView>()
+        waitFor {
+            var visible = false
+            scenario.onActivity { remote.set(it.workspace); visible = it.workspace?.visibility == View.VISIBLE }
+            visible && remote.get() != null && evaluate(remote.get(), "document.readyState === 'complete' && document.querySelector('#app')?.innerText.trim().length > 100") == "true"
+        }
+        val view = remote.get()
+        assertEquals("true", evaluate(view, "typeof window.nativeLauncher === 'undefined' && typeof window.__TAURI_INTERNALS__ === 'undefined'"))
+        assertEquals("true", evaluate(view, """
+            (() => {
+                const input = document.createElement('input');
+                input.id = 'kan53-input';
+                input.value = 'retained form';
+                document.body.append(input);
+                const button = document.createElement('button');
+                button.style.cssText = 'position:fixed;inset:0;width:100%;height:100%;z-index:2147483647';
+                button.textContent = 'Navigate';
+                button.onclick = () => {
+                    history.pushState({}, '', '/kan53-history');
+                    button.remove();
+                };
+                document.body.append(button);
+                return true;
+            })()
+        """.trimIndent()))
+        tapCenter(view)
+        waitFor { evaluate(view, "location.pathname === '/kan53-history'") == "true" }
+        waitFor {
+            var canGoBack = false
+            scenario.onActivity { canGoBack = view.canGoBack() }
+            canGoBack
+        }
+        scenario.moveToState(Lifecycle.State.CREATED)
+        scenario.moveToState(Lifecycle.State.RESUMED)
+        assertEquals("\"retained form\"", evaluate(view, "document.querySelector('#kan53-input').value"))
+        scenario.onActivity { it.onBackPressedDispatcher.onBackPressed() }
+        waitFor { evaluate(view, "location.pathname !== '/kan53-history'") == "true" }
+        assertEquals("\"retained form\"", evaluate(view, "document.querySelector('#kan53-input').value"))
+        evaluate(view, "document.cookie = 'kan53_fixture=secret; Path=/; Secure; SameSite=Lax'; localStorage.setItem('kan53_fixture', 'secret')")
+        scenario.onActivity { it.openWorkspace("https://127.0.0.1:9/") }
+        waitFor {
+            val cookie = AtomicReference<String>()
+            instrumentation.runOnMainSync { cookie.set(CookieManager.getInstance().getCookie("https://kanbangit.de/")) }
+            cookie.get()?.contains("kan53_fixture") != true
+        }
+        scenario.onActivity { assertNotSame(view, it.workspace) }
+        // Let instrumentation finish the process after reporting, rather than exiting via Tauri.
+        scenario.moveToState(Lifecycle.State.CREATED)
+    }
+}

native/src-tauri/gen/android/app/src/main/AndroidManifest.xml

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <uses-permission android:name="android.permission.INTERNET" />
+
+    <application
+        android:allowBackup="false"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:icon="@drawable/kanbangit"
+        android:label="@string/app_name"
+        android:theme="@style/Theme.kanbangit_native"
+        android:usesCleartextTraffic="${usesCleartextTraffic}">
+        <activity
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|smallestScreenSize|screenLayout|uiMode"
+            android:launchMode="singleTask"
+            android:label="@string/main_activity_title"
+            android:name=".MainActivity"
+            android:windowSoftInputMode="adjustResize"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <provider
+          android:name="androidx.core.content.FileProvider"
+          android:authorities="${applicationId}.fileprovider"
+          android:exported="false"
+          android:grantUriPermissions="true">
+          <meta-data
+            android:name="android.support.FILE_PROVIDER_PATHS"
+            android:resource="@xml/file_paths" />
+        </provider>
+    </application>
+</manifest>

native/src-tauri/gen/android/app/src/main/java/de/kanbangit/desktop/MainActivity.kt

@@ -0,0 +1,406 @@
+package de.kanbangit.desktop
+
+import android.annotation.SuppressLint
+import android.content.ActivityNotFoundException
+import android.content.Intent
+import android.content.res.Configuration
+import android.graphics.Bitmap
+import android.net.Uri
+import android.net.http.SslError
+import android.os.Bundle
+import android.os.Handler
+import android.os.Looper
+import android.os.Message
+import android.view.View
+import android.view.ViewGroup
+import android.webkit.CookieManager
+import android.webkit.SslErrorHandler
+import android.webkit.ValueCallback
+import android.webkit.WebChromeClient
+import android.webkit.WebResourceError
+import android.webkit.WebResourceRequest
+import android.webkit.WebResourceResponse
+import android.webkit.WebSettings
+import android.webkit.WebStorage
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import android.widget.Button
+import android.widget.FrameLayout
+import android.widget.LinearLayout
+import android.widget.TextView
+import android.widget.Toast
+import androidx.activity.OnBackPressedCallback
+import androidx.activity.enableEdgeToEdge
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowCompat
+import androidx.core.view.WindowInsetsCompat
+import androidx.webkit.WebViewCompat
+import androidx.webkit.WebViewFeature
+import org.json.JSONObject
+
+class MainActivity : TauriActivity() {
+    private val handler = Handler(Looper.getMainLooper())
+    private val preferences by lazy { getSharedPreferences("workspace", MODE_PRIVATE) }
+    private lateinit var launcher: WebView
+    private lateinit var root: LinearLayout
+    private lateinit var content: FrameLayout
+    private lateinit var settings: Button
+    internal var workspace: WebView? = null
+        private set
+    private var server = NavigationPolicy.DEFAULT_SERVER
+    private var phase = "idle"
+    private var ready = false
+    private var revision = 0
+    private var launcherVisible = true
+    private var keyboardVisible = false
+    private var initialized = false
+
+    private var fileCallback: ValueCallback<Array<Uri>>? = null
+    private var fileWorkspace: WebView? = null
+    private var filePage: String? = null
+    private var multipleFiles = false
+    private var filePickerActive = false
+    private val popups = mutableSetOf<WebView>()
+    private val filePicker = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
+        filePickerActive = false
+        val callback = fileCallback
+        val owner = fileWorkspace
+        val page = filePage
+        fileCallback = null
+        fileWorkspace = null
+        filePage = null
+        val files = WebChromeClient.FileChooserParams.parseResult(result.resultCode, result.data)
+        val valid = owner != null && owner === workspace && owner.url == page &&
+            NavigationPolicy.allows(server, page.orEmpty()) && files?.isNotEmpty() == true &&
+            (multipleFiles || files.size == 1) && files.all { uri ->
+                NavigationPolicy.selectedFile(uri.toString(), packageName) && runCatching {
+                    contentResolver.openFileDescriptor(uri, "r")?.use { true } == true
+                }.getOrDefault(false)
+            }
+        callback?.onReceiveValue(if (valid) files else null)
+    }
+
+    private fun cancelFileSelection() {
+        fileCallback?.onReceiveValue(null)
+        fileCallback = null
+        fileWorkspace = null
+        filePage = null
+    }
+
+    private fun openExternal(url: String) {
+        if (!NavigationPolicy.external(url)) return
+        try {
+            startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(url)).addCategory(Intent.CATEGORY_BROWSABLE))
+        } catch (_: ActivityNotFoundException) {
+            Toast.makeText(this, R.string.external_link_error, Toast.LENGTH_LONG).show()
+        }
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        enableEdgeToEdge()
+        super.onCreate(savedInstanceState)
+        onBackPressedDispatcher.addCallback(this, object : OnBackPressedCallback(true) {
+            override fun handleOnBackPressed() {
+                when (NavigationPolicy.backAction(keyboardVisible, launcherVisible, ready, workspace?.canGoBack() == true)) {
+                    "keyboard" -> WindowCompat.getInsetsController(window, window.decorView).hide(WindowInsetsCompat.Type.ime())
+                    "resume" -> showWorkspace()
+                    "history" -> workspace?.goBack()
+                    "settings" -> showLauncher()
+                    else -> moveTaskToBack(true)
+                }
+            }
+        })
+    }
+
+    override fun onWebViewCreate(webView: WebView) {
+        launcher = webView
+        if (WebViewFeature.isFeatureSupported(WebViewFeature.WEB_MESSAGE_LISTENER)) {
+            WebViewCompat.addWebMessageListener(launcher, "nativeLauncher", setOf(NavigationPolicy.LAUNCHER_ORIGIN)) {
+                _, message, origin, mainFrame, _ ->
+                if (mainFrame && origin.toString().trimEnd('/') == NavigationPolicy.LAUNCHER_ORIGIN) {
+                    launcher.post { handleAction(message.data.orEmpty()) }
+                }
+            }
+        }
+        launcher.post { attachShell() }
+    }
+
+    private fun attachShell() {
+        if (::root.isInitialized) return
+        (launcher.parent as? ViewGroup)?.removeView(launcher)
+        root = LinearLayout(this).apply { orientation = LinearLayout.VERTICAL }
+        settings = Button(this).apply {
+            text = getString(R.string.server_settings)
+            isAllCaps = false
+            visibility = View.GONE
+            setOnClickListener { showLauncher() }
+        }
+        root.addView(settings, LinearLayout.LayoutParams(-1, -2))
+        content = FrameLayout(this)
+        content.addView(launcher, FrameLayout.LayoutParams(-1, -1))
+        root.addView(content, LinearLayout.LayoutParams(-1, 0, 1f))
+        setContentView(root)
+        ViewCompat.setOnApplyWindowInsetsListener(root) { view, insets ->
+            val safe = insets.getInsets(WindowInsetsCompat.Type.systemBars() or WindowInsetsCompat.Type.displayCutout())
+            val keyboard = insets.getInsets(WindowInsetsCompat.Type.ime())
+            keyboardVisible = insets.isVisible(WindowInsetsCompat.Type.ime())
+            view.setPadding(safe.left, safe.top, safe.right, maxOf(safe.bottom, keyboard.bottom))
+            WindowInsetsCompat.CONSUMED
+        }
+        ViewCompat.requestApplyInsets(root)
+        if (!WebViewFeature.isFeatureSupported(WebViewFeature.WEB_MESSAGE_LISTENER)) {
+            content.removeAllViews()
+            content.addView(TextView(this).apply { text = getString(R.string.update_webview) })
+        }
+    }
+
+    private fun handleAction(value: String) {
+        attachShell()
+        val url = Uri.parse(value)
+        if (url.scheme != "https" || url.host != "tauri.localhost" || url.port != -1 || url.userInfo != null) return
+        when (url.path) {
+            "/action/ready" -> {
+                if (initialized) return
+                initialized = true
+                val saved = preferences.getString("server", null)
+                server = saved?.let(NavigationPolicy::installation) ?: NavigationPolicy.DEFAULT_SERVER
+                updateLauncher()
+                if (saved != null) openWorkspace(server)
+            }
+            "/action/open" -> openWorkspace(url.getQueryParameter("server").orEmpty())
+            "/action/resume" -> if (ready) showWorkspace()
+        }
+    }
+
+    internal fun openWorkspace(input: String) {
+        val address = NavigationPolicy.installation(input)
+        if (address == null) {
+            phase = "invalidServer"
+            showLauncher()
+            return
+        }
+        if (phase == "connecting") return
+        if (address == server && ready) {
+            if (phase == "connectionError") {
+                phase = "connecting"
+                workspace?.let { startTimeout(it); it.reload() }
+                updateLauncher()
+                return
+            }
+            showWorkspace()
+            return
+        }
+        cancelFileSelection()
+        val changed = address != preferences.getString("server", null)
+        val clearSession = changed || preferences.getBoolean("clearing", false)
+        if (!preferences.edit().putString("server", address).putBoolean("clearing", clearSession).commit()) {
+            phase = "storageError"
+            showLauncher()
+            return
+        }
+        server = address
+        ready = false
+        phase = "connecting"
+        revision++
+        workspace?.let { old ->
+            content.removeView(old)
+            old.stopLoading()
+            if (clearSession) old.clearCache(true)
+            old.destroy()
+        }
+        workspace = null
+        updateLauncher()
+        if (clearSession) {
+            WebStorage.getInstance().deleteAllData()
+            CookieManager.getInstance().removeAllCookies {
+                CookieManager.getInstance().flush()
+                if (!preferences.edit().putBoolean("clearing", false).commit()) {
+                    phase = "storageError"
+                    showLauncher()
+                } else if (!isDestroyed) {
+                    createWorkspace()
+                }
+            }
+        } else {
+            createWorkspace()
+        }
+    }
+
+    @SuppressLint("SetJavaScriptEnabled")
+    private fun createWorkspace() {
+        val remote = WebView(this)
+        workspace = remote
+        remote.settings.apply {
+            javaScriptEnabled = true
+            domStorageEnabled = true
+            allowFileAccess = false
+            allowContentAccess = true
+            mixedContentMode = WebSettings.MIXED_CONTENT_NEVER_ALLOW
+            javaScriptCanOpenWindowsAutomatically = false
+            setSupportMultipleWindows(true)
+        }
+        CookieManager.getInstance().setAcceptThirdPartyCookies(remote, false)
+        remote.webChromeClient = object : WebChromeClient() {
+            override fun onShowFileChooser(view: WebView, callback: ValueCallback<Array<Uri>>, params: FileChooserParams): Boolean {
+                if (view !== workspace || !NavigationPolicy.allows(server, view.url.orEmpty()) ||
+                    params.mode !in listOf(FileChooserParams.MODE_OPEN, FileChooserParams.MODE_OPEN_MULTIPLE)) return false
+                // Keep one outstanding picker; stale results must never reach a different page.
+                if (filePickerActive) return false
+                fileCallback = callback
+                fileWorkspace = view
+                filePage = view.url
+                multipleFiles = params.mode == FileChooserParams.MODE_OPEN_MULTIPLE
+                return try {
+                    filePickerActive = true
+                    filePicker.launch(params.createIntent().addCategory(Intent.CATEGORY_OPENABLE))
+                    true
+                } catch (_: ActivityNotFoundException) {
+                    filePickerActive = false
+                    cancelFileSelection()
+                    Toast.makeText(this@MainActivity, R.string.file_picker_error, Toast.LENGTH_LONG).show()
+                    true
+                }
+            }
+
+            override fun onCreateWindow(view: WebView, isDialog: Boolean, isUserGesture: Boolean, result: Message): Boolean {
+                if (view !== workspace || !isUserGesture || !NavigationPolicy.allows(server, view.url.orEmpty())) return false
+                val popup = WebView(this@MainActivity)
+                popups.add(popup)
+                fun dispose() {
+                    if (popups.remove(popup)) popup.destroy()
+                }
+                popup.webViewClient = object : WebViewClient() {
+                    override fun shouldOverrideUrlLoading(child: WebView, request: WebResourceRequest): Boolean {
+                        if (request.isForMainFrame && workspace === view) {
+                            val url = request.url.toString()
+                            if (NavigationPolicy.allows(server, url)) view.loadUrl(url) else openExternal(url)
+                        }
+                        child.post { dispose() }
+                        return true
+                    }
+                }
+                (result.obj as WebView.WebViewTransport).webView = popup
+                result.sendToTarget()
+                handler.postDelayed({ dispose() }, 10000)
+                return true
+            }
+        }
+        remote.webViewClient = object : WebViewClient() {
+            override fun shouldOverrideUrlLoading(view: WebView, request: WebResourceRequest): Boolean {
+                val url = request.url.toString()
+                if (NavigationPolicy.allows(server, url)) return false
+                if (workspace === view && request.isForMainFrame && request.hasGesture()) openExternal(url)
+                return true
+            }
+
+            override fun onPageStarted(view: WebView, url: String, favicon: Bitmap?) {
+                if (workspace === view) cancelFileSelection()
+                if (!NavigationPolicy.allows(server, url)) {
+                    view.stopLoading()
+                    fail(view)
+                    return
+                }
+                phase = "connecting"
+                startTimeout(view)
+                updateLauncher()
+            }
+
+            override fun onPageFinished(view: WebView, url: String) {
+                if (workspace !== view || phase != "connecting" || !NavigationPolicy.allows(server, url)) return
+                revision++
+                phase = "connected"
+                val firstLoad = !ready
+                ready = true
+                CookieManager.getInstance().flush()
+                updateLauncher()
+                if (firstLoad) showWorkspace()
+            }
+
+            override fun onReceivedError(view: WebView, request: WebResourceRequest, error: WebResourceError) {
+                if (request.isForMainFrame) fail(view)
+            }
+
+            override fun onReceivedHttpError(view: WebView, request: WebResourceRequest, response: WebResourceResponse) {
+                if (request.isForMainFrame && response.statusCode >= 500) fail(view)
+            }
+
+            override fun onReceivedSslError(view: WebView, sslHandler: SslErrorHandler, error: SslError) {
+                sslHandler.cancel()
+                fail(view)
+            }
+        }
+        remote.visibility = View.GONE
+        content.addView(remote, 0, FrameLayout.LayoutParams(-1, -1))
+        startTimeout(remote)
+        remote.loadUrl(server)
+    }
+
+    private fun startTimeout(view: WebView) {
+        val current = ++revision
+        handler.postDelayed({
+            if (current == revision && phase == "connecting" && workspace === view) {
+                view.stopLoading()
+                fail(view)
+            }
+        }, 15000)
+    }
+
+    private fun fail(view: WebView) {
+        if (workspace !== view) return
+        revision++
+        phase = "connectionError"
+        showLauncher()
+    }
+
+    private fun updateLauncher() {
+        val query = Uri.Builder().appendQueryParameter("server", server)
+            .appendQueryParameter("phase", phase).appendQueryParameter("ready", ready.toString())
+            .appendQueryParameter("platform", "android").build().encodedQuery.orEmpty()
+        launcher.evaluateJavascript("window.updateLauncher?.(${JSONObject.quote(query)})", null)
+    }
+
+    private fun showLauncher() {
+        updateLauncher()
+        launcherVisible = true
+        launcher.visibility = View.VISIBLE
+        workspace?.visibility = View.GONE
+        settings.visibility = View.GONE
+        launcher.requestFocus()
+    }
+
+    private fun showWorkspace() {
+        launcherVisible = false
+        launcher.visibility = View.GONE
+        workspace?.visibility = View.VISIBLE
+        settings.visibility = View.VISIBLE
+        workspace?.requestFocus()
+    }
+
+    override fun onPause() {
+        workspace?.onPause()
+        CookieManager.getInstance().flush()
+        super.onPause()
+    }
+
+    override fun onResume() {
+        super.onResume()
+        workspace?.onResume()
+    }
+
+    override fun onConfigurationChanged(newConfig: Configuration) {
+        super.onConfigurationChanged(newConfig)
+        enableEdgeToEdge()
+        if (::root.isInitialized) ViewCompat.requestApplyInsets(root)
+    }
+
+    override fun onDestroy() {
+        handler.removeCallbacksAndMessages(null)
+        cancelFileSelection()
+        popups.forEach { it.destroy() }
+        popups.clear()
+        workspace?.destroy()
+        workspace = null
+        super.onDestroy()
+    }
+}

native/src-tauri/gen/android/app/src/main/java/de/kanbangit/desktop/NavigationPolicy.kt

@@ -0,0 +1,56 @@
+package de.kanbangit.desktop
+
+import java.net.URI
+import java.util.Locale
+
+object NavigationPolicy {
+    const val DEFAULT_SERVER = "https://kanbangit.de/"
+    const val LAUNCHER_ORIGIN = "https://tauri.localhost"
+
+    fun installation(input: String): String? = runCatching {
+        val trimmed = input.trim()
+        require(trimmed.none { it.isISOControl() || it == '\\' })
+        val uri = URI(trimmed)
+        require(uri.scheme.equals("https", ignoreCase = true))
+        require(!uri.host.isNullOrBlank() && uri.rawUserInfo == null)
+        require(uri.rawQuery == null && uri.rawFragment == null)
+        require(uri.port == -1 || uri.port in 1..65535)
+        require(!uri.host.equals("tauri.localhost", ignoreCase = true))
+        val port = if (uri.port == -1 || uri.port == 443) "" else ":${uri.port}"
+        val path = uri.rawPath.orEmpty().let { if (it.endsWith('/')) it else "$it/" }
+        "https://${uri.host.lowercase(Locale.ROOT)}$port$path"
+    }.getOrNull()
+
+    fun allows(server: String, destination: String): Boolean = runCatching {
+        val base = URI(server)
+        val target = URI(destination)
+        target.scheme.equals("https", ignoreCase = true) &&
+            target.host.equals(base.host, ignoreCase = true) &&
+            (if (target.port == -1) 443 else target.port) ==
+            (if (base.port == -1) 443 else base.port) &&
+            target.rawUserInfo == null && !destination.contains('\\')
+    }.getOrDefault(false)
+
+    fun external(destination: String): Boolean = runCatching {
+        val target = URI(destination)
+        target.scheme.lowercase(Locale.ROOT) in setOf("https", "http") &&
+            !target.host.isNullOrBlank() && target.rawUserInfo == null &&
+            (target.port == -1 || target.port in 1..65535) &&
+            destination.none { it.isISOControl() || it == '\\' }
+    }.getOrDefault(false)
+
+    fun selectedFile(destination: String, packageName: String): Boolean = runCatching {
+        val target = URI(destination)
+        target.scheme == "content" && !target.host.isNullOrBlank() &&
+            target.rawUserInfo == null && target.port == -1 &&
+            target.host != packageName && target.host != "$packageName.fileprovider"
+    }.getOrDefault(false)
+
+    fun backAction(keyboard: Boolean, launcher: Boolean, ready: Boolean, history: Boolean): String = when {
+        keyboard -> "keyboard"
+        launcher && ready -> "resume"
+        !launcher && history -> "history"
+        !launcher -> "settings"
+        else -> "background"
+    }
+}

native/src-tauri/gen/android/app/src/main/res/drawable/kanbangit.xml

@@ -0,0 +1,8 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="48dp" android:height="48dp"
+    android:viewportWidth="64" android:viewportHeight="64">
+    <path android:fillColor="#22c55e" android:pathData="M12,0 H52 Q64,0 64,12 V52 Q64,64 52,64 H12 Q0,64 0,52 V12 Q0,0 12,0 Z" />
+    <path android:fillColor="@android:color/transparent" android:strokeColor="#004b1e"
+        android:strokeWidth="3" android:strokeLineCap="round" android:strokeLineJoin="round"
+        android:pathData="M19,16 H45 Q48,16 48,19 V45 Q48,48 45,48 H19 Q16,48 16,45 V19 Q16,16 19,16 Z M27,16 V48 M37,16 V48" />
+</vector>

native/src-tauri/gen/android/app/src/main/res/values-night/themes.xml

@@ -0,0 +1,6 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.kanbangit_native" parent="Theme.MaterialComponents.DayNight.NoActionBar">
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

native/src-tauri/gen/android/app/src/main/res/values/strings.xml

@@ -0,0 +1,8 @@
+<resources>
+    <string name="app_name">"KanbanGit"</string>
+    <string name="main_activity_title">"KanbanGit"</string>
+    <string name="server_settings">Server settings</string>
+    <string name="update_webview">Update Android System WebView to connect to your workspace.</string>
+    <string name="external_link_error">No browser is available to open this link.</string>
+    <string name="file_picker_error">No file picker is available. Please try again.</string>
+</resources>

native/src-tauri/gen/android/app/src/main/res/values/themes.xml

@@ -0,0 +1,6 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.kanbangit_native" parent="Theme.MaterialComponents.DayNight.NoActionBar">
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

native/src-tauri/gen/android/app/src/main/res/xml/data_extraction_rules.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<data-extraction-rules>
+    <cloud-backup>
+        <exclude domain="root" path="." />
+        <exclude domain="sharedpref" path="." />
+        <exclude domain="database" path="." />
+        <exclude domain="file" path="." />
+        <exclude domain="external" path="." />
+    </cloud-backup>
+    <device-transfer>
+        <exclude domain="root" path="." />
+        <exclude domain="sharedpref" path="." />
+        <exclude domain="database" path="." />
+        <exclude domain="file" path="." />
+        <exclude domain="external" path="." />
+    </device-transfer>
+</data-extraction-rules>

native/src-tauri/gen/android/app/src/main/res/xml/file_paths.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<paths xmlns:android="http://schemas.android.com/apk/res/android">
+  <external-path name="my_images" path="." />
+  <cache-path name="my_cache_images" path="." />
+</paths>

native/src-tauri/gen/android/app/src/test/java/de/kanbangit/desktop/NavigationPolicyTest.kt

@@ -0,0 +1,51 @@
+package de.kanbangit.desktop
+
+import org.junit.Assert.*
+import org.junit.Test
+
+class NavigationPolicyTest {
+    @Test fun normalizesAddressesAndRejectsCredentialsAndUnsafeSchemes() {
+        assertEquals("https://example.com/kanban/", NavigationPolicy.installation(" HTTPS://Example.com:443/kanban "))
+        assertEquals("https://[::1]:8443/", NavigationPolicy.installation("https://[::1]:8443"))
+        for (value in listOf("http://example.com", "https:example.com", "https://user:pass@example.com", "https://example.com/?token=x", "https://example.com/#x", "https://exa\nmple.com", "https://example.com\\other", "https://example.com:99999", "https://tauri.localhost/", "file:///etc/passwd", "")) {
+            assertNull(value, NavigationPolicy.installation(value))
+        }
+    }
+
+    @Test fun allowsLoginTwoFactorAndHistoryOnlyOnTheSelectedOrigin() {
+        val server = "https://example.com:8443/app/"
+        for (path in listOf("/login", "/two-factor-challenge", "/projects/1?ticket=53#details")) {
+            assertTrue(NavigationPolicy.allows(server, "https://example.com:8443$path"))
+        }
+        for (value in listOf("https://example.com/", "http://example.com:8443/", "https://other.example.com:8443/", "https://user@example.com:8443/", "https://tauri.localhost/action/open", "javascript:alert(1)", "intent://example.com", "file:///etc/passwd")) {
+            assertFalse(value, NavigationPolicy.allows(server, value))
+        }
+        assertTrue(NavigationPolicy.allows("https://example.com/", "https://example.com:443/login"))
+    }
+
+    @Test fun externalLinksNeverBecomeServerNavigation() {
+        val server = "https://example.com/"
+        for (url in listOf("https://git.example.com/org/repo/pulls/1#diff", "http://git.example.com/repo", "https://example.com:8443/other")) {
+            assertTrue(url, NavigationPolicy.external(url))
+            assertFalse(url, NavigationPolicy.allows(server, url))
+        }
+        for (url in listOf("https://user:password@git.example.com/", "https://example.com:99999/", "javascript:alert(1)", "intent://example.com/", "file:///etc/passwd", "content://provider/file", "data:text/html,test", "mailto:user@example.com", "https://example.com\\evil")) {
+            assertFalse(url, NavigationPolicy.external(url))
+        }
+    }
+
+    @Test fun filePickerAcceptsOnlyExternalContentProviders() {
+        assertTrue(NavigationPolicy.selectedFile("content://com.android.providers.media.documents/document/image%3A1", "de.kanbangit.desktop"))
+        for (url in listOf("file:///data/data/de.kanbangit.desktop/session", "https://example.com/avatar.png", "content://de.kanbangit.desktop.fileprovider/private/key", "content://de.kanbangit.desktop/private/key", "content://user@provider/path", "content://provider:123/path", "content:/missing-provider")) {
+            assertFalse(url, NavigationPolicy.selectedFile(url, "de.kanbangit.desktop"))
+        }
+    }
+
+    @Test fun backClosesKeyboardBeforeNavigatingAndPreservesTheWorkspace() {
+        assertEquals("keyboard", NavigationPolicy.backAction(true, false, true, true))
+        assertEquals("resume", NavigationPolicy.backAction(false, true, true, true))
+        assertEquals("history", NavigationPolicy.backAction(false, false, true, true))
+        assertEquals("settings", NavigationPolicy.backAction(false, false, true, false))
+        assertEquals("background", NavigationPolicy.backAction(false, true, false, false))
+    }
+}

native/src-tauri/gen/android/build.gradle.kts

@@ -0,0 +1,21 @@
+buildscript {
+    repositories {
+        google()
+        mavenCentral()
+    }
+    dependencies {
+        classpath("com.android.tools.build:gradle:8.11.0")
+        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:1.9.25")
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+tasks.register("clean").configure {
+    delete("build")
+}

native/src-tauri/gen/android/buildSrc/build.gradle.kts

@@ -0,0 +1,22 @@
+plugins {
+    `kotlin-dsl`
+}
+
+gradlePlugin {
+    plugins {
+        create("pluginsForCoolKids") {
+            id = "rust"
+            implementationClass = "RustPlugin"
+        }
+    }
+}
+
+repositories {
+    google()
+    mavenCentral()
+}
+
+dependencies {
+    compileOnly(gradleApi())
+    implementation("com.android.tools.build:gradle:8.11.0")
+}

native/src-tauri/gen/android/buildSrc/src/main/java/de/kanbangit/desktop/kotlin/BuildTask.kt

@@ -0,0 +1,68 @@
+import java.io.File
+import org.apache.tools.ant.taskdefs.condition.Os
+import org.gradle.api.DefaultTask
+import org.gradle.api.GradleException
+import org.gradle.api.logging.LogLevel
+import org.gradle.api.tasks.Input
+import org.gradle.api.tasks.TaskAction
+
+open class BuildTask : DefaultTask() {
+    @Input
+    var rootDirRel: String? = null
+    @Input
+    var target: String? = null
+    @Input
+    var release: Boolean? = null
+
+    @TaskAction
+    fun assemble() {
+        val executable = """pnpm""";
+        try {
+            runTauriCli(executable)
+        } catch (e: Exception) {
+            if (Os.isFamily(Os.FAMILY_WINDOWS)) {
+                // Try different Windows-specific extensions
+                val fallbacks = listOf(
+                    "$executable.exe",
+                    "$executable.cmd",
+                    "$executable.bat",
+                )
+
+                var lastException: Exception = e
+                for (fallback in fallbacks) {
+                    try {
+                        runTauriCli(fallback)
+                        return
+                    } catch (fallbackException: Exception) {
+                        lastException = fallbackException
+                    }
+                }
+                throw lastException
+            } else {
+                throw e;
+            }
+        }
+    }
+
+    fun runTauriCli(executable: String) {
+        val rootDirRel = rootDirRel ?: throw GradleException("rootDirRel cannot be null")
+        val target = target ?: throw GradleException("target cannot be null")
+        val release = release ?: throw GradleException("release cannot be null")
+        val args = listOf("tauri", "android", "android-studio-script");
+
+        project.exec {
+            workingDir(File(project.projectDir, rootDirRel))
+            executable(executable)
+            args(args)
+            if (project.logger.isEnabled(LogLevel.DEBUG)) {
+                args("-vv")
+            } else if (project.logger.isEnabled(LogLevel.INFO)) {
+                args("-v")
+            }
+            if (release) {
+                args("--release")
+            }
+            args(listOf("--target", target))
+        }.assertNormalExitValue()
+    }
+}

native/src-tauri/gen/android/buildSrc/src/main/java/de/kanbangit/desktop/kotlin/RustPlugin.kt

@@ -0,0 +1,85 @@
+import com.android.build.api.dsl.ApplicationExtension
+import org.gradle.api.DefaultTask
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.configure
+import org.gradle.kotlin.dsl.get
+
+const val TASK_GROUP = "rust"
+
+open class Config {
+    lateinit var rootDirRel: String
+}
+
+open class RustPlugin : Plugin<Project> {
+    private lateinit var config: Config
+
+    override fun apply(project: Project) = with(project) {
+        config = extensions.create("rust", Config::class.java)
+
+        val defaultAbiList = listOf("arm64-v8a", "armeabi-v7a", "x86", "x86_64");
+        val abiList = (findProperty("abiList") as? String)?.split(',') ?: defaultAbiList
+
+        val defaultArchList = listOf("arm64", "arm", "x86", "x86_64");
+        val archList = (findProperty("archList") as? String)?.split(',') ?: defaultArchList
+
+        val targetsList = (findProperty("targetList") as? String)?.split(',') ?: listOf("aarch64", "armv7", "i686", "x86_64")
+
+        extensions.configure<ApplicationExtension> {
+            @Suppress("UnstableApiUsage")
+            flavorDimensions.add("abi")
+            productFlavors {
+                create("universal") {
+                    dimension = "abi"
+                    ndk {
+                        abiFilters += abiList
+                    }
+                }
+                defaultArchList.forEachIndexed { index, arch ->
+                    create(arch) {
+                        dimension = "abi"
+                        ndk {
+                            abiFilters.add(defaultAbiList[index])
+                        }
+                    }
+                }
+            }
+        }
+
+        afterEvaluate {
+            for (profile in listOf("debug", "release")) {
+                val profileCapitalized = profile.replaceFirstChar { it.uppercase() }
+                val buildTask = tasks.maybeCreate(
+                    "rustBuildUniversal$profileCapitalized",
+                    DefaultTask::class.java
+                ).apply {
+                    group = TASK_GROUP
+                    description = "Build dynamic library in $profile mode for all targets"
+                }
+
+                tasks["mergeUniversal${profileCapitalized}JniLibFolders"].dependsOn(buildTask)
+
+                for (targetPair in targetsList.withIndex()) {
+                    val targetName = targetPair.value
+                    val targetArch = archList[targetPair.index]
+                    val targetArchCapitalized = targetArch.replaceFirstChar { it.uppercase() }
+                    val targetBuildTask = project.tasks.maybeCreate(
+                        "rustBuild$targetArchCapitalized$profileCapitalized",
+                        BuildTask::class.java
+                    ).apply {
+                        group = TASK_GROUP
+                        description = "Build dynamic library in $profile mode for $targetArch"
+                        rootDirRel = config.rootDirRel
+                        target = targetName
+                        release = profile == "release"
+                    }
+
+                    buildTask.dependsOn(targetBuildTask)
+                    tasks["merge$targetArchCapitalized${profileCapitalized}JniLibFolders"].dependsOn(
+                        targetBuildTask
+                    )
+                }
+            }
+        }
+    }
+}

native/src-tauri/gen/android/gradle.properties

@@ -0,0 +1,25 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app"s APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official
+# Enables namespacing of each library's R class so that its R class includes only the
+# resources declared in the library itself and none from the library's dependencies,
+# thereby reducing the size of the R class for that library
+android.nonTransitiveRClass=true
+android.nonFinalResIds=false
+android.builder.sdkDownload=false

native/src-tauri/gen/android/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Tue May 10 19:22:52 CST 2022
+distributionBase=GRADLE_USER_HOME
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
+distributionPath=wrapper/dists
+zipStorePath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME

native/src-tauri/gen/android/gradlew

@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"

native/src-tauri/gen/android/gradlew.bat

@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

native/src-tauri/gen/android/settings.gradle

@@ -0,0 +1,3 @@
+include ':app'
+
+apply from: 'tauri.settings.gradle'

native/src-tauri/gen/apple/.gitignore

@@ -0,0 +1,3 @@
+xcuserdata/
+build/
+Externals/

native/src-tauri/gen/apple/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,116 @@
+{
+  "images" : [
+    {
+      "size" : "20x20",
+      "idiom" : "iphone",
+      "filename" : "AppIcon-20x20@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "iphone",
+      "filename" : "AppIcon-20x20@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "AppIcon-29x29@2x-1.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "AppIcon-29x29@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "AppIcon-40x40@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "AppIcon-40x40@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "AppIcon-60x60@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "AppIcon-60x60@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "ipad",
+      "filename" : "AppIcon-20x20@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "ipad",
+      "filename" : "AppIcon-20x20@2x-1.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "AppIcon-29x29@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "AppIcon-29x29@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "AppIcon-40x40@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "AppIcon-40x40@2x-1.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "AppIcon-76x76@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "AppIcon-76x76@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "83.5x83.5",
+      "idiom" : "ipad",
+      "filename" : "AppIcon-83.5x83.5@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "1024x1024",
+      "idiom" : "ios-marketing",
+      "filename" : "AppIcon-512@2x.png",
+      "scale" : "1x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

native/src-tauri/gen/apple/Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

native/src-tauri/gen/apple/LaunchScreen.storyboard

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="17150" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="Y6W-OH-hqX">
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="17122"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="System colors in document resources" minToolsVersion="11.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="s0d-6b-0kx">
+            <objects>
+                <viewController id="Y6W-OH-hqX" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="5EZ-qb-Rvc">
+                        <rect key="frame" x="0.0" y="0.0" width="414" height="896"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <viewLayoutGuide key="safeArea" id="vDu-zF-Fre"/>
+                        <color key="backgroundColor" systemColor="systemBackgroundColor"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="Ief-a0-LHa" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
+            </objects>
+        </scene>
+    </scenes>
+    <resources>
+        <systemColor name="systemBackgroundColor">
+            <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+        </systemColor>
+    </resources>
+</document>

native/src-tauri/gen/apple/Podfile

@@ -0,0 +1,14 @@
+platform :ios, '17.0'
+
+target 'kanbangit-native_iOS' do
+  # Pods for kanbangit-native_iOS
+end
+
+# Inherit the deployment target from the Podfile.
+post_install do |installer|
+  installer.pods_project.targets.each do |target|
+    target.build_configurations.each do |config|
+      config.build_settings.delete 'IPHONEOS_DEPLOYMENT_TARGET'
+    end
+  end
+end

native/src-tauri/gen/apple/Sources/kanbangit-native/WorkspacePolicy.swift

@@ -0,0 +1,65 @@
+import Foundation
+
+struct WorkspaceServer: Codable, Equatable {
+    let url: URL
+    let profile: UUID
+
+    static func normalize(_ input: String) -> URL? {
+        let input = input.trimmingCharacters(in: .whitespacesAndNewlines)
+        guard input.lowercased().hasPrefix("https://"),
+              !input.contains("\\"),
+              input.rangeOfCharacter(from: .controlCharacters) == nil,
+              var components = URLComponents(string: input),
+              components.scheme?.lowercased() == "https",
+              let host = components.host, !host.isEmpty,
+              components.user == nil, components.password == nil,
+              components.query == nil, components.fragment == nil,
+              components.port.map({ (1...65535).contains($0) }) ?? true else { return nil }
+        components.scheme = "https"
+        components.host = host.lowercased()
+        if components.port == 443 { components.port = nil }
+        if !components.path.hasSuffix("/") { components.path += "/" }
+        return components.url
+    }
+
+    func allows(_ destination: URL) -> Bool {
+        destination.scheme?.lowercased() == "https"
+            && destination.host?.lowercased() == url.host?.lowercased()
+            && (destination.port ?? 443) == (url.port ?? 443)
+            && destination.user == nil && destination.password == nil
+    }
+
+    static func allowsExternal(_ destination: URL) -> Bool {
+        ["https", "http"].contains(destination.scheme?.lowercased() ?? "")
+            && destination.host?.isEmpty == false
+            && (destination.port.map({ (1...65535).contains($0) }) ?? true)
+            && destination.user == nil && destination.password == nil
+    }
+
+    static func selecting(_ url: URL, current: WorkspaceServer?) -> WorkspaceServer {
+        current?.url == url ? current! : WorkspaceServer(url: url, profile: UUID())
+    }
+}
+
+struct WorkspaceConnection {
+    private(set) var revision = 0
+    private(set) var ready = false
+    private(set) var connecting = false
+
+    mutating func begin() -> Int {
+        revision += 1
+        connecting = true
+        return revision
+    }
+
+    mutating func finish() {
+        connecting = false
+        ready = true
+    }
+
+    mutating func fail(_ expectedRevision: Int) -> Bool {
+        guard expectedRevision == revision, connecting else { return false }
+        connecting = false
+        return true
+    }
+}

native/src-tauri/gen/apple/Sources/kanbangit-native/WorkspaceViewController.swift

@@ -0,0 +1,332 @@
+import UIKit
+import WebKit
+
+@_cdecl("install_ios_workspace")
+func installIOSWorkspace() {
+    DispatchQueue.main.async {
+        guard let root = UIApplication.shared.connectedScenes
+            .compactMap({ $0 as? UIWindowScene }).flatMap(\.windows)
+            .first(where: { $0.isKeyWindow })?.rootViewController
+            ?? UIApplication.shared.windows.first?.rootViewController else { return }
+        guard !root.children.contains(where: { $0 is WorkspaceViewController }) else { return }
+        let controller = WorkspaceViewController()
+        root.view.subviews.forEach { $0.isHidden = true }
+        root.addChild(controller)
+        root.view.addSubview(controller.view)
+        controller.view.translatesAutoresizingMaskIntoConstraints = false
+        NSLayoutConstraint.activate([
+            controller.view.topAnchor.constraint(equalTo: root.view.topAnchor),
+            controller.view.bottomAnchor.constraint(equalTo: root.view.bottomAnchor),
+            controller.view.leadingAnchor.constraint(equalTo: root.view.leadingAnchor),
+            controller.view.trailingAnchor.constraint(equalTo: root.view.trailingAnchor),
+        ])
+        controller.didMove(toParent: root)
+    }
+}
+
+final class WorkspaceViewController: UIViewController, WKNavigationDelegate, WKUIDelegate, UITextFieldDelegate {
+    private let defaults: UserDefaults
+    private let serverKey = "ios.activeServer"
+    private(set) var server: WorkspaceServer?
+    private(set) var workspace: WKWebView?
+    private var connection = WorkspaceConnection()
+    private var pendingNavigation: WKNavigation?
+    private var timeout: DispatchWorkItem?
+    private let launcher = UIScrollView()
+    private let stack = UIStackView()
+    private let address = UITextField()
+    private let status = UILabel()
+    private let connectButton = UIButton(type: .system)
+    private let resumeButton = UIButton(type: .system)
+    private let toolbar = UIToolbar()
+    private var historyObservation: NSKeyValueObservation?
+    private var backButton: UIBarButtonItem!
+    private var appearance: UISegmentedControl!
+
+    init(defaults: UserDefaults = .standard) {
+        self.defaults = defaults
+        super.init(nibName: nil, bundle: nil)
+    }
+
+    required init?(coder: NSCoder) { fatalError("init(coder:) has not been implemented") }
+
+    private func text(_ key: String) -> String {
+        NSLocalizedString(key, comment: "KanbanGit iOS workspace")
+    }
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        view.backgroundColor = .systemBackground
+        view.tintColor = UIColor(red: 0, green: 0.43, blue: 0.18, alpha: 1)
+        configureLauncher()
+        configureToolbar()
+        if let data = defaults.data(forKey: serverKey) {
+            if let saved = try? JSONDecoder().decode(WorkspaceServer.self, from: data),
+               WorkspaceServer.normalize(saved.url.absoluteString) == saved.url {
+                server = saved
+            } else {
+                status.text = text("storageError")
+            }
+        }
+        address.text = server?.url.absoluteString ?? "https://kanbangit.de/"
+        showSettings()
+        if let server { open(server.url) }
+    }
+
+    private func label(_ key: String, style: UIFont.TextStyle = .body) -> UILabel {
+        let label = UILabel()
+        label.text = text(key)
+        label.font = .preferredFont(forTextStyle: style)
+        label.adjustsFontForContentSizeCategory = true
+        label.numberOfLines = 0
+        return label
+    }
+
+    private func configureLauncher() {
+        launcher.accessibilityIdentifier = "serverSettings"
+        launcher.keyboardDismissMode = .interactive
+        launcher.alwaysBounceVertical = true
+        view.addSubview(launcher)
+        launcher.translatesAutoresizingMaskIntoConstraints = false
+        NSLayoutConstraint.activate([
+            launcher.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor),
+            launcher.bottomAnchor.constraint(equalTo: view.keyboardLayoutGuide.topAnchor),
+            launcher.leadingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.leadingAnchor),
+            launcher.trailingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.trailingAnchor),
+        ])
+        stack.axis = .vertical
+        stack.spacing = 18
+        stack.translatesAutoresizingMaskIntoConstraints = false
+        launcher.addSubview(stack)
+        let width = stack.widthAnchor.constraint(equalTo: launcher.frameLayoutGuide.widthAnchor, constant: -40)
+        width.priority = .defaultHigh
+        NSLayoutConstraint.activate([
+            stack.topAnchor.constraint(equalTo: launcher.contentLayoutGuide.topAnchor, constant: 32),
+            stack.bottomAnchor.constraint(equalTo: launcher.contentLayoutGuide.bottomAnchor, constant: -32),
+            stack.centerXAnchor.constraint(equalTo: launcher.frameLayoutGuide.centerXAnchor),
+            stack.leadingAnchor.constraint(greaterThanOrEqualTo: launcher.contentLayoutGuide.leadingAnchor, constant: 20),
+            stack.trailingAnchor.constraint(lessThanOrEqualTo: launcher.contentLayoutGuide.trailingAnchor, constant: -20),
+            stack.widthAnchor.constraint(lessThanOrEqualToConstant: 480), width,
+        ])
+        stack.addArrangedSubview(label("appName", style: .headline))
+        stack.addArrangedSubview(label("title", style: .largeTitle))
+        stack.addArrangedSubview(label("description"))
+        stack.addArrangedSubview(label("serverLabel", style: .headline))
+        address.borderStyle = .roundedRect
+        address.keyboardType = .URL
+        address.textContentType = .URL
+        address.autocorrectionType = .no
+        address.autocapitalizationType = .none
+        address.clearButtonMode = .whileEditing
+        address.returnKeyType = .go
+        address.delegate = self
+        address.accessibilityLabel = text("serverLabel")
+        address.accessibilityIdentifier = "serverAddress"
+        address.heightAnchor.constraint(greaterThanOrEqualToConstant: 48).isActive = true
+        stack.addArrangedSubview(address)
+        stack.addArrangedSubview(label("serverHelp", style: .footnote))
+        connectButton.configuration = .filled()
+        connectButton.setTitle(text("openWorkspace"), for: .normal)
+        connectButton.accessibilityIdentifier = "openWorkspace"
+        connectButton.addTarget(self, action: #selector(connect), for: .touchUpInside)
+        stack.addArrangedSubview(connectButton)
+        status.numberOfLines = 0
+        status.accessibilityIdentifier = "connectionStatus"
+        status.font = .preferredFont(forTextStyle: .body)
+        status.adjustsFontForContentSizeCategory = true
+        stack.addArrangedSubview(status)
+        resumeButton.setTitle(text("resume"), for: .normal)
+        resumeButton.accessibilityIdentifier = "resumeWorkspace"
+        resumeButton.addTarget(self, action: #selector(showWorkspace), for: .touchUpInside)
+        stack.addArrangedSubview(resumeButton)
+        stack.addArrangedSubview(label("appearance", style: .headline))
+        appearance = UISegmentedControl(items: [text("system"), text("light"), text("dark")])
+        appearance.selectedSegmentIndex = min(2, max(0, defaults.integer(forKey: "ios.appearance")))
+        appearance.accessibilityIdentifier = "appearance"
+        appearance.addTarget(self, action: #selector(changeAppearance), for: .valueChanged)
+        stack.addArrangedSubview(appearance)
+        [connectButton, resumeButton, appearance].forEach {
+            $0.heightAnchor.constraint(greaterThanOrEqualToConstant: 44).isActive = true
+        }
+        changeAppearance()
+    }
+
+    private func configureToolbar() {
+        toolbar.translatesAutoresizingMaskIntoConstraints = false
+        view.addSubview(toolbar)
+        backButton = UIBarButtonItem(title: text("back"), style: .plain, target: self, action: #selector(goBack))
+        backButton.accessibilityIdentifier = "workspaceBack"
+        let settings = UIBarButtonItem(title: text("serverSettings"), style: .plain, target: self, action: #selector(showSettings))
+        settings.accessibilityIdentifier = "showServerSettings"
+        toolbar.items = [backButton, UIBarButtonItem(systemItem: .flexibleSpace), settings]
+        NSLayoutConstraint.activate([
+            toolbar.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor),
+            toolbar.leadingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.leadingAnchor),
+            toolbar.trailingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.trailingAnchor),
+        ])
+    }
+
+    @objc private func changeAppearance() {
+        defaults.set(appearance.selectedSegmentIndex, forKey: "ios.appearance")
+        overrideUserInterfaceStyle = [.unspecified, .light, .dark][appearance.selectedSegmentIndex]
+    }
+
+    func textFieldShouldReturn(_ textField: UITextField) -> Bool { connect(); return true }
+
+    @objc private func connect() {
+        guard let url = WorkspaceServer.normalize(address.text ?? "") else {
+            status.text = text("invalidServer")
+            UIAccessibility.post(notification: .announcement, argument: status.text)
+            return
+        }
+        if let server, server.url != url {
+            let alert = UIAlertController(title: text("confirmSwitch"), message: text("switchWarning"), preferredStyle: .alert)
+            alert.addAction(UIAlertAction(title: text("cancel"), style: .cancel))
+            alert.addAction(UIAlertAction(title: text("confirmSwitch"), style: .destructive) { [weak self] _ in self?.open(url) })
+            present(alert, animated: true)
+        } else { open(url) }
+    }
+
+    func open(_ url: URL) {
+        if server?.url == url, connection.ready { showWorkspace(); return }
+        let selected = WorkspaceServer.selecting(url, current: server)
+        guard let data = try? JSONEncoder().encode(selected) else { status.text = text("storageError"); return }
+        defaults.set(data, forKey: serverKey)
+        timeout?.cancel()
+        historyObservation = nil
+        workspace?.stopLoading()
+        workspace?.navigationDelegate = nil
+        workspace?.removeFromSuperview()
+        connection = WorkspaceConnection()
+        server = selected
+        let configuration = WKWebViewConfiguration()
+        configuration.websiteDataStore = WKWebsiteDataStore(forIdentifier: selected.profile)
+        // Remote content receives a plain WKWebView, with no native message handlers or Tauri bridge.
+        let webview = WKWebView(frame: .zero, configuration: configuration)
+        webview.navigationDelegate = self
+        webview.uiDelegate = self
+        webview.allowsBackForwardNavigationGestures = true
+        webview.accessibilityIdentifier = "workspace"
+        webview.translatesAutoresizingMaskIntoConstraints = false
+        webview.isHidden = true
+        view.insertSubview(webview, belowSubview: launcher)
+        NSLayoutConstraint.activate([
+            webview.topAnchor.constraint(equalTo: toolbar.bottomAnchor),
+            webview.bottomAnchor.constraint(equalTo: view.keyboardLayoutGuide.topAnchor),
+            webview.leadingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.leadingAnchor),
+            webview.trailingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.trailingAnchor),
+        ])
+        workspace = webview
+        historyObservation = webview.observe(\.canGoBack, options: [.initial, .new]) { [weak self] view, _ in
+            self?.backButton.isEnabled = view.canGoBack
+        }
+        view.endEditing(true)
+        address.text = url.absoluteString
+        beginNavigation()
+        pendingNavigation = webview.load(URLRequest(url: url))
+    }
+
+    private func beginNavigation() {
+        timeout?.cancel()
+        let revision = connection.begin()
+        status.text = text("connecting")
+        connectButton.isEnabled = false
+        resumeButton.isHidden = !connection.ready
+        let work = DispatchWorkItem { [weak self] in self?.fail(revision) }
+        timeout = work
+        DispatchQueue.main.asyncAfter(deadline: .now() + 15, execute: work)
+    }
+
+    private func fail(_ revision: Int) {
+        guard connection.fail(revision) else { return }
+        timeout?.cancel()
+        status.text = text("connectionError")
+        connectButton.isEnabled = true
+        connectButton.setTitle(text("retry"), for: .normal)
+        showSettings()
+    }
+
+    @objc private func showSettings() {
+        view.endEditing(true)
+        launcher.isHidden = false
+        toolbar.isHidden = true
+        workspace?.isHidden = true
+        resumeButton.isHidden = !connection.ready
+    }
+
+    @objc private func showWorkspace() {
+        guard connection.ready else { return }
+        view.endEditing(true)
+        launcher.isHidden = true
+        toolbar.isHidden = false
+        workspace?.isHidden = false
+        backButton.isEnabled = workspace?.canGoBack == true
+    }
+
+    @objc private func goBack() { if workspace?.canGoBack == true { workspace?.goBack() } }
+
+    func webView(_ webView: WKWebView, decidePolicyFor action: WKNavigationAction, decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) {
+        guard webView === workspace, let url = action.request.url else { decisionHandler(.cancel); return }
+        guard server?.allows(url) == true else {
+            decisionHandler(.cancel)
+            if action.navigationType == .linkActivated,
+               action.sourceFrame.isMainFrame,
+               action.targetFrame == nil || action.targetFrame?.isMainFrame == true,
+               WorkspaceServer.allowsExternal(url) {
+                UIApplication.shared.open(url)
+            }
+            return
+        }
+        if action.targetFrame == nil {
+            decisionHandler(.cancel)
+            webView.load(action.request)
+        } else { decisionHandler(.allow) }
+    }
+
+    func webView(_ webView: WKWebView, decidePolicyFor response: WKNavigationResponse, decisionHandler: @escaping (WKNavigationResponsePolicy) -> Void) {
+        guard webView === workspace, let url = response.response.url,
+              server?.allows(url) == true else { decisionHandler(.cancel); return }
+        decisionHandler(.allow)
+    }
+
+    func webView(_ webView: WKWebView, didStartProvisionalNavigation navigation: WKNavigation!) {
+        guard webView === workspace else { return }
+        pendingNavigation = navigation
+        beginNavigation()
+    }
+
+    func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
+        guard webView === workspace, navigation === pendingNavigation else { return }
+        let firstLoad = !connection.ready
+        timeout?.cancel()
+        connection.finish()
+        connectButton.isEnabled = true
+        connectButton.setTitle(text("openWorkspace"), for: .normal)
+        status.text = text("connected")
+        resumeButton.isHidden = false
+        backButton.isEnabled = webView.canGoBack
+        if firstLoad { showWorkspace() }
+    }
+
+    func webView(_ webView: WKWebView, didFailProvisionalNavigation navigation: WKNavigation!, withError error: Error) {
+        navigationFailed(webView, navigation, error)
+    }
+
+    func webView(_ webView: WKWebView, didFail navigation: WKNavigation!, withError error: Error) {
+        navigationFailed(webView, navigation, error)
+    }
+
+    private func navigationFailed(_ webView: WKWebView, _ navigation: WKNavigation?, _ error: Error) {
+        guard webView === workspace, navigation === pendingNavigation,
+              (error as NSError).code != NSURLErrorCancelled else { return }
+        fail(connection.revision)
+    }
+
+    func webViewWebContentProcessDidTerminate(_ webView: WKWebView) {
+        guard webView === workspace else { return }
+        connection = WorkspaceConnection()
+        status.text = text("processTerminated")
+        connectButton.isEnabled = true
+        showSettings()
+    }
+}

native/src-tauri/gen/apple/Sources/kanbangit-native/bindings/bindings.h

@@ -0,0 +1,7 @@
+#pragma once
+
+namespace ffi {
+    extern "C" {
+        void start_app();
+    }
+}

native/src-tauri/gen/apple/Sources/kanbangit-native/en.lproj/InfoPlist.strings

@@ -0,0 +1,2 @@
+"NSCameraUsageDescription" = "Choose a profile picture using your camera.";
+"NSPhotoLibraryUsageDescription" = "Choose a profile picture from your photo library.";

native/src-tauri/gen/apple/Sources/kanbangit-native/en.lproj/Localizable.strings

@@ -0,0 +1,23 @@
+"appName" = "KanbanGit";
+"title" = "Choose your workspace.";
+"description" = "Connect to your KanbanGit installation over HTTPS.";
+"serverLabel" = "Server address";
+"serverHelp" = "Use the installation address without login details, a query or a fragment.";
+"openWorkspace" = "Open workspace";
+"retry" = "Try again";
+"resume" = "Return to workspace";
+"switchWarning" = "Switching servers closes the current workspace and discards unsaved inputs. You will sign in separately on the new server.";
+"confirmSwitch" = "Switch server";
+"cancel" = "Cancel";
+"connecting" = "Connecting to your server…";
+"connected" = "Your workspace is open. Use Server settings to change servers.";
+"connectionError" = "The server did not finish loading. Check your connection, server address and HTTPS certificate, then try again. An already open workspace and its inputs are kept.";
+"invalidServer" = "Enter a valid HTTPS installation address without login details, a query or a fragment.";
+"storageError" = "The saved server setting could not be read. Enter your server address again.";
+"processTerminated" = "iOS closed the workspace to free memory. Open it again to continue. Unsaved inputs may have been lost.";
+"appearance" = "Appearance";
+"system" = "System";
+"light" = "Light";
+"dark" = "Dark";
+"back" = "Back";
+"serverSettings" = "Server settings";

native/src-tauri/gen/apple/Sources/kanbangit-native/main.mm

@@ -0,0 +1,36 @@
+#include "bindings/bindings.h"
+#import <UIKit/UIKit.h>
+#include <cstdlib>
+#include <unistd.h>
+
+extern "C" void install_ios_workspace(void);
+
+int main(int argc, char * argv[]) {
+    @autoreleasepool {
+        // Xcode mirrors os_log to stderr. Tauri 2.11 redirects stderr back to os_log,
+        // which can fill its pipe and block UIKit/XCTest. Keep Xcode's original streams.
+        const bool debuggerLogging = getenv("OS_ACTIVITY_DT_MODE") != nullptr
+            || getenv("XCTestConfigurationFilePath") != nullptr;
+        __block int originalOut = debuggerLogging ? dup(STDOUT_FILENO) : -1;
+        __block int originalError = debuggerLogging ? dup(STDERR_FILENO) : -1;
+        [[NSNotificationCenter defaultCenter]
+            addObserverForName:UIApplicationDidBecomeActiveNotification
+            object:nil
+            queue:NSOperationQueue.mainQueue
+            usingBlock:^(NSNotification *notification) {
+                if (originalOut >= 0) {
+                    dup2(originalOut, STDOUT_FILENO);
+                    close(originalOut);
+                    originalOut = -1;
+                }
+                if (originalError >= 0) {
+                    dup2(originalError, STDERR_FILENO);
+                    close(originalError);
+                    originalError = -1;
+                }
+                install_ios_workspace();
+            }];
+        ffi::start_app();
+        return 0;
+    }
+}

native/src-tauri/gen/apple/Tests/WorkspaceTests.swift

@@ -0,0 +1,166 @@
+import XCTest
+import WebKit
+
+final class WorkspaceTests: XCTestCase {
+    func testServerValidationAndOriginBoundary() throws {
+        let url = try XCTUnwrap(WorkspaceServer.normalize(" HTTPS://Example.com:443/kanban "))
+        XCTAssertEqual(url.absoluteString, "https://example.com/kanban/")
+        let server = WorkspaceServer(url: url, profile: UUID())
+        for value in ["http://example.com/", "https://user:secret@example.com/", "https://example.com/?token=1", "https://example.com/#x", "https://exa\nmple.com", "https://example.com\\evil", "file:///etc/passwd", "javascript:alert(1)", "https://example.com:99999/"] {
+            XCTAssertNil(WorkspaceServer.normalize(value), value)
+        }
+        for value in ["https://example.com/login", "https://example.com/two-factor-challenge", "https://example.com/projects/1?ticket=54#details"] {
+            XCTAssertTrue(server.allows(try XCTUnwrap(URL(string: value))), value)
+        }
+        for value in ["http://example.com/", "https://example.com:8443/", "https://evil.example.com/", "https://user@example.com/", "file:///tmp/index.html", "tauri://localhost/action/open"] {
+            XCTAssertFalse(server.allows(try XCTUnwrap(URL(string: value))), value)
+        }
+    }
+
+    func testExternalLinksStayOutsideTheSelectedServer() throws {
+        let server = WorkspaceServer(url: URL(string: "https://example.com/")!, profile: UUID())
+        for value in ["https://git.example.com/org/repo/pulls/1#diff", "http://git.example.com/repo", "https://example.com:8443/other"] {
+            let url = try XCTUnwrap(URL(string: value))
+            XCTAssertTrue(WorkspaceServer.allowsExternal(url))
+            XCTAssertFalse(server.allows(url))
+        }
+        for value in ["https://user:secret@git.example.com/", "https://example.com:99999/", "javascript:alert(1)", "file:///etc/passwd", "tauri://localhost/action/open", "mailto:user@example.com", "data:text/html,test"] {
+            XCTAssertFalse(WorkspaceServer.allowsExternal(try XCTUnwrap(URL(string: value))), value)
+        }
+    }
+
+    @MainActor
+    func testBackButtonTracksSameDocumentHistory() async throws {
+        let name = "KAN55-history-\(UUID())"
+        let defaults = try XCTUnwrap(UserDefaults(suiteName: name))
+        defer { defaults.removePersistentDomain(forName: name) }
+        let controller = WorkspaceViewController(defaults: defaults)
+        controller.loadViewIfNeeded()
+        let url = try XCTUnwrap(WorkspaceServer.normalize("https://example.invalid/"))
+        controller.open(url)
+        let webview = try XCTUnwrap(controller.workspace)
+        webview.stopLoading()
+        webview.loadHTMLString("<html><body><input id='draft' value='unsaved'></body></html>", baseURL: url)
+        var loaded = false
+        for _ in 0..<50 {
+            if let value = try? await webview.evaluateJavaScript("document.getElementById('draft')?.value"),
+               value as? String == "unsaved" { loaded = true; break }
+            try await Task.sleep(for: .milliseconds(100))
+        }
+        XCTAssertTrue(loaded)
+        _ = try await webview.evaluateJavaScript("history.pushState({}, '', '#ticket')")
+        let toolbar = try XCTUnwrap(controller.view.subviews.compactMap { $0 as? UIToolbar }.first)
+        for _ in 0..<20 {
+            if toolbar.items?.first?.isEnabled == true { break }
+            try await Task.sleep(for: .milliseconds(50))
+        }
+        XCTAssertTrue(webview.canGoBack)
+        XCTAssertTrue(toolbar.items?.first?.isEnabled == true)
+        webview.goBack()
+        for _ in 0..<20 {
+            if let hash = try? await webview.evaluateJavaScript("location.hash"), hash as? String == "" { break }
+            try await Task.sleep(for: .milliseconds(50))
+        }
+        let draft = try await webview.evaluateJavaScript("document.getElementById('draft').value")
+        XCTAssertEqual(draft as? String, "unsaved")
+    }
+
+    func testServerChangesNeverReusePreviousProfile() throws {
+        let firstURL = try XCTUnwrap(WorkspaceServer.normalize("https://example.com/"))
+        let otherURL = try XCTUnwrap(WorkspaceServer.normalize("https://example.com/other/"))
+        let first = WorkspaceServer.selecting(firstURL, current: nil)
+        XCTAssertEqual(WorkspaceServer.selecting(firstURL, current: first), first)
+        let second = WorkspaceServer.selecting(otherURL, current: first)
+        XCTAssertNotEqual(second.profile, first.profile)
+        XCTAssertNotEqual(WorkspaceServer.selecting(firstURL, current: second).profile, first.profile)
+        XCTAssertEqual(try JSONDecoder().decode(WorkspaceServer.self, from: JSONEncoder().encode(first)), first)
+    }
+
+    func testTimeoutDoesNotDiscardLoadedWorkspaceOrAffectLaterNavigation() {
+        var state = WorkspaceConnection()
+        let first = state.begin()
+        let second = state.begin()
+        XCTAssertFalse(state.fail(first))
+        state.finish()
+        XCTAssertFalse(state.fail(second))
+        let third = state.begin()
+        XCTAssertTrue(state.fail(third))
+        XCTAssertTrue(state.ready)
+        XCTAssertFalse(state.fail(third))
+    }
+
+    @MainActor
+    func testWKWebViewPersistsCookiesAcrossViewsAndIsolatesServerChanges() async throws {
+        let profile = UUID()
+        let first = WKWebViewConfiguration()
+        first.websiteDataStore = WKWebsiteDataStore(forIdentifier: profile)
+        let cookie = try XCTUnwrap(HTTPCookie(properties: [
+            .domain: "example.com", .path: "/", .name: "laravel_session", .value: "test-session",
+            .secure: "TRUE", .expires: Date().addingTimeInterval(3600),
+        ]))
+        await first.websiteDataStore.httpCookieStore.setCookie(cookie)
+        let restored = WKWebViewConfiguration()
+        restored.websiteDataStore = WKWebsiteDataStore(forIdentifier: profile)
+        let restoredCookies = await restored.websiteDataStore.httpCookieStore.allCookies()
+        XCTAssertTrue(restoredCookies.contains { $0.name == "laravel_session" && $0.value == "test-session" })
+        let other = WKWebsiteDataStore(forIdentifier: UUID())
+        let otherCookies = await other.httpCookieStore.allCookies()
+        XCTAssertTrue(otherCookies.isEmpty)
+        await restored.websiteDataStore.httpCookieStore.deleteCookie(cookie)
+        let loggedOut = await first.websiteDataStore.httpCookieStore.allCookies()
+        XCTAssertFalse(loggedOut.contains { $0.name == "laravel_session" })
+    }
+
+    @MainActor
+    func testControllerRestoresServerAndCreatesIsolatedUnprivilegedWebView() throws {
+        let name = "KAN54-tests-\(UUID())"
+        let defaults = try XCTUnwrap(UserDefaults(suiteName: name))
+        defer { defaults.removePersistentDomain(forName: name) }
+        let controller = WorkspaceViewController(defaults: defaults)
+        controller.loadViewIfNeeded()
+        let url = try XCTUnwrap(WorkspaceServer.normalize("https://example.invalid/"))
+        controller.open(url)
+        let server = try XCTUnwrap(controller.server)
+        XCTAssertEqual(controller.workspace?.configuration.websiteDataStore.identifier, server.profile)
+        XCTAssertTrue(controller.workspace?.configuration.userContentController.userScripts.isEmpty == true)
+        let restored = WorkspaceViewController(defaults: defaults)
+        restored.loadViewIfNeeded()
+        XCTAssertEqual(restored.server, server)
+        let other = try XCTUnwrap(WorkspaceServer.normalize("https://other.invalid/"))
+        restored.open(other)
+        XCTAssertNotEqual(restored.server?.profile, server.profile)
+    }
+    @MainActor
+    func testConnectionFailureKeepsLoadedFormAndAllowsResume() async throws {
+        let name = "KAN54-form-\(UUID())"
+        let defaults = try XCTUnwrap(UserDefaults(suiteName: name))
+        defer { defaults.removePersistentDomain(forName: name) }
+        let controller = WorkspaceViewController(defaults: defaults)
+        controller.loadViewIfNeeded()
+        let url = try XCTUnwrap(WorkspaceServer.normalize("https://example.invalid/"))
+        controller.open(url)
+        let webview = try XCTUnwrap(controller.workspace)
+        webview.stopLoading()
+        let navigation = try XCTUnwrap(webview.loadHTMLString("<html><body><input id='draft' value='unsaved ticket'></body></html>", baseURL: url))
+        var loaded = false
+        for _ in 0..<50 {
+            if let value = try? await webview.evaluateJavaScript("document.getElementById('draft')?.value"),
+               value as? String == "unsaved ticket" { loaded = true; break }
+            try await Task.sleep(for: .milliseconds(100))
+        }
+        XCTAssertTrue(loaded)
+        controller.webView(webview, didFinish: navigation)
+        controller.webView(webview, didStartProvisionalNavigation: navigation)
+        controller.webView(webview, didFailProvisionalNavigation: navigation,
+                           withError: NSError(domain: NSURLErrorDomain, code: NSURLErrorNotConnectedToInternet))
+        XCTAssertTrue(webview.isHidden)
+        controller.open(url)
+        XCTAssertTrue(controller.workspace === webview)
+        XCTAssertFalse(webview.isHidden)
+        let value = try await webview.evaluateJavaScript("document.getElementById('draft').value")
+        XCTAssertEqual(value as? String, "unsaved ticket")
+        let bridge = try await webview.evaluateJavaScript("typeof window.__TAURI_INTERNALS__")
+        XCTAssertEqual(bridge as? String, "undefined")
+    }
+
+}

native/src-tauri/gen/apple/UITests/WorkspaceUITests.swift

@@ -0,0 +1,44 @@
+import XCTest
+
+final class WorkspaceUITests: XCTestCase {
+    @MainActor
+    private func reveal(_ element: XCUIElement, in scrollView: XCUIElement) {
+        for _ in 0..<8 {
+            if scrollView.frame.contains(CGPoint(x: element.frame.midX, y: element.frame.midY)), element.isHittable { return }
+            let start = scrollView.coordinate(withNormalizedOffset: CGVector(dx: 0.5, dy: 0.5))
+            let direction: CGFloat = element.frame.midY > scrollView.frame.midY ? 0.2 : 0.8
+            let end = scrollView.coordinate(withNormalizedOffset: CGVector(dx: 0.5, dy: direction))
+            start.press(forDuration: 0.05, thenDragTo: end)
+        }
+        XCTAssertTrue(element.isHittable)
+    }
+
+    @MainActor
+    func testLauncherKeyboardValidationRotationAndAppearance() {
+        continueAfterFailure = false
+        XCUIDevice.shared.orientation = .portrait
+        let app = XCUIApplication()
+        app.launch()
+        let settings = app.buttons["showServerSettings"]
+        if settings.waitForExistence(timeout: 3) { settings.tap() }
+        let address = app.textFields["serverAddress"]
+        XCTAssertTrue(address.waitForExistence(timeout: 15))
+        address.tap()
+        let clear = address.buttons.firstMatch
+        if clear.exists { clear.tap() }
+        address.typeText("http://invalid.example")
+        app.buttons["openWorkspace"].tap()
+        XCTAssertTrue(app.staticTexts["connectionStatus"].label.contains("valid HTTPS"))
+        XCUIDevice.shared.orientation = .landscapeLeft
+        let launcher = app.scrollViews["serverSettings"]
+        reveal(address, in: launcher)
+        let open = app.buttons["openWorkspace"]
+        reveal(open, in: launcher)
+        let dark = app.segmentedControls["appearance"].buttons["Dark"]
+        reveal(dark, in: launcher)
+        dark.tap()
+        XCTAssertTrue(dark.isSelected)
+        app.segmentedControls["appearance"].buttons["System"].tap()
+        XCUIDevice.shared.orientation = .portrait
+    }
+}

native/src-tauri/gen/apple/kanbangit-native.xcodeproj/project.pbxproj

@@ -0,0 +1,701 @@
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+{
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+	};
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+
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+				);
+				PRODUCT_BUNDLE_IDENTIFIER = de.kanbangit.uitests;
+				SDKROOT = iphoneos;
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				TEST_TARGET_NAME = "kanbangit-native_iOS";
+			};
+			name = debug;
+		};
+		C81211E40BBB158A79AEBE3D /* release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
+				CLANG_CXX_LIBRARY = "libc++";
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_ENABLE_OBJC_WEAK = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				COPY_PHASE_STRIP = NO;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				ENABLE_NS_ASSERTIONS = NO;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu11;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 17.0;
+				MTL_ENABLE_DEBUG_INFO = NO;
+				MTL_FAST_MATH = YES;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = iphoneos;
+				SWIFT_COMPILATION_MODE = wholemodule;
+				SWIFT_OPTIMIZATION_LEVEL = "-O";
+				SWIFT_VERSION = 5.0;
+			};
+			name = release;
+		};
+		D41150B2CAE4512D04C26759 /* debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
+				ARCHS = (
+					arm64,
+				);
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CODE_SIGN_ENTITLEMENTS = "kanbangit-native_iOS/kanbangit-native_iOS.entitlements";
+				CODE_SIGN_IDENTITY = "iPhone Developer";
+				CODE_SIGN_STYLE = Automatic;
+				DEVELOPMENT_TEAM = "";
+				ENABLE_BITCODE = NO;
+				ENABLE_USER_SCRIPT_SANDBOXING = NO;
+				"EXCLUDED_ARCHS[sdk=iphoneos*]" = x86_64;
+				FRAMEWORK_SEARCH_PATHS = (
+					"$(inherited)",
+					"\".\"",
+				);
+				INFOPLIST_FILE = "kanbangit-native_iOS/Info.plist";
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+				);
+				"LIBRARY_SEARCH_PATHS[arch=arm64]" = "$(inherited) $(PROJECT_DIR)/Externals/arm64/$(CONFIGURATION) $(SDKROOT)/usr/lib/swift $(DEVELOPER_DIR)/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/$(PLATFORM_NAME) $(DEVELOPER_DIR)/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift-5.0/$(PLATFORM_NAME)";
+				"LIBRARY_SEARCH_PATHS[arch=x86_64]" = "$(inherited) $(PROJECT_DIR)/Externals/x86_64/$(CONFIGURATION) $(SDKROOT)/usr/lib/swift $(DEVELOPER_DIR)/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/$(PLATFORM_NAME) $(DEVELOPER_DIR)/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift-5.0/$(PLATFORM_NAME)";
+				PRODUCT_BUNDLE_IDENTIFIER = de.kanbangit.desktop;
+				PRODUCT_MODULE_NAME = KanbanGitNative;
+				PRODUCT_NAME = "KanbanGit";
+				SDKROOT = iphoneos;
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				VALID_ARCHS = arm64;
+			};
+			name = debug;
+		};
+		EF104E75BD04AFEF735BAA52 /* release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				GENERATE_INFOPLIST_FILE = YES;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+					"@loader_path/Frameworks",
+				);
+				PRODUCT_BUNDLE_IDENTIFIER = de.kanbangit.uitests;
+				SDKROOT = iphoneos;
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				TEST_TARGET_NAME = "kanbangit-native_iOS";
+			};
+			name = release;
+		};
+		FB6E824120F9ED3CFE30E713 /* debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				GENERATE_INFOPLIST_FILE = YES;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+					"@loader_path/Frameworks",
+				);
+				PRODUCT_BUNDLE_IDENTIFIER = de.kanbangit.tests;
+				SDKROOT = iphoneos;
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+			};
+			name = debug;
+		};
+		FF1553DD6765EEA42FF50CDD /* release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				GENERATE_INFOPLIST_FILE = YES;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+					"@loader_path/Frameworks",
+				);
+				PRODUCT_BUNDLE_IDENTIFIER = de.kanbangit.tests;
+				SDKROOT = iphoneos;
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+			};
+			name = release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		26F675D59EF454AE0D263F35 /* Build configuration list for PBXNativeTarget "WorkspaceTests" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				FB6E824120F9ED3CFE30E713 /* debug */,
+				FF1553DD6765EEA42FF50CDD /* release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = debug;
+		};
+		A9CA551DD3F3EBCCF8C41CC1 /* Build configuration list for PBXProject "kanbangit-native" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				390A27695F28BF3AA9A049C9 /* debug */,
+				C81211E40BBB158A79AEBE3D /* release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = debug;
+		};
+		E6F418AEF58E5F3D739C68F1 /* Build configuration list for PBXNativeTarget "WorkspaceUITests" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				5110A47C3B60906E18EE09D2 /* debug */,
+				EF104E75BD04AFEF735BAA52 /* release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = debug;
+		};
+		F0C7EA9610FB69A5EA27B950 /* Build configuration list for PBXNativeTarget "kanbangit-native_iOS" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				D41150B2CAE4512D04C26759 /* debug */,
+				0C46162024E99BEFF872CABF /* release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = debug;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = AA6AD2A91A9E86D319D86D59 /* Project object */;
+}

native/src-tauri/gen/apple/kanbangit-native.xcodeproj/project.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:">
+   </FileRef>
+</Workspace>

native/src-tauri/gen/apple/kanbangit-native.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>BuildSystemType</key>
+	<string>Original</string>
+	<key>DisableBuildSystemDeprecationDiagnostic</key>
+	<true/>
+</dict>
+</plist>

native/src-tauri/gen/apple/kanbangit-native.xcodeproj/xcshareddata/xcschemes/kanbangit-native_iOS.xcscheme

@@ -0,0 +1,144 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1430"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "721CF221CEDDC28FF2C5EBD5"
+               BuildableName = "KanbanGit.app"
+               BlueprintName = "kanbangit-native_iOS"
+               ReferencedContainer = "container:kanbangit-native.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "NO">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "721CF221CEDDC28FF2C5EBD5"
+            BuildableName = "KanbanGit.app"
+            BlueprintName = "kanbangit-native_iOS"
+            ReferencedContainer = "container:kanbangit-native.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <EnvironmentVariables>
+         <EnvironmentVariable
+            key = "RUST_BACKTRACE"
+            value = "full"
+            isEnabled = "YES">
+         </EnvironmentVariable>
+         <EnvironmentVariable
+            key = "RUST_LOG"
+            value = "info"
+            isEnabled = "YES">
+         </EnvironmentVariable>
+      </EnvironmentVariables>
+      <Testables>
+         <TestableReference
+            skipped = "NO"
+            parallelizable = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "CBC4561F8018D37DD49A0598"
+               BuildableName = "WorkspaceTests.xctest"
+               BlueprintName = "WorkspaceTests"
+               ReferencedContainer = "container:kanbangit-native.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "988CFF304CB81C8F3A4D6612"
+               BuildableName = "WorkspaceUITests.xctest"
+               BlueprintName = "WorkspaceUITests"
+               ReferencedContainer = "container:kanbangit-native.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "721CF221CEDDC28FF2C5EBD5"
+            BuildableName = "KanbanGit.app"
+            BlueprintName = "kanbangit-native_iOS"
+            ReferencedContainer = "container:kanbangit-native.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+      <EnvironmentVariables>
+         <EnvironmentVariable
+            key = "RUST_BACKTRACE"
+            value = "full"
+            isEnabled = "YES">
+         </EnvironmentVariable>
+         <EnvironmentVariable
+            key = "RUST_LOG"
+            value = "info"
+            isEnabled = "YES">
+         </EnvironmentVariable>
+      </EnvironmentVariables>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "release"
+      shouldUseLaunchSchemeArgsEnv = "NO"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "721CF221CEDDC28FF2C5EBD5"
+            BuildableName = "KanbanGit.app"
+            BlueprintName = "kanbangit-native_iOS"
+            ReferencedContainer = "container:kanbangit-native.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+      <EnvironmentVariables>
+         <EnvironmentVariable
+            key = "RUST_BACKTRACE"
+            value = "full"
+            isEnabled = "YES">
+         </EnvironmentVariable>
+         <EnvironmentVariable
+            key = "RUST_LOG"
+            value = "info"
+            isEnabled = "YES">
+         </EnvironmentVariable>
+      </EnvironmentVariables>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

native/src-tauri/gen/apple/kanbangit-native_iOS/Info.plist

@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>0.1.0</string>
+	<key>CFBundleVersion</key>
+	<string>0.1.0</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>NSCameraUsageDescription</key>
+	<string>Choose a profile picture using your camera.</string>
+	<key>NSPhotoLibraryUsageDescription</key>
+	<string>Choose a profile picture from your photo library.</string>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>arm64</string>
+		<string>metal</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+</dict>
+</plist>

native/src-tauri/gen/apple/kanbangit-native_iOS/kanbangit-native_iOS.entitlements

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict/>
+</plist>

native/src-tauri/gen/apple/project.yml

@@ -0,0 +1,124 @@
+name: kanbangit-native
+options:
+  bundleIdPrefix: de.kanbangit.desktop
+  deploymentTarget:
+    iOS: 17.0
+fileGroups: [../../src]
+configs:
+  debug: debug
+  release: release
+settingGroups:
+  app:
+    base:
+      PRODUCT_NAME: KanbanGit
+      SWIFT_VERSION: "5.0"
+      PRODUCT_MODULE_NAME: KanbanGitNative
+      TARGETED_DEVICE_FAMILY: "1,2"
+      CODE_SIGN_STYLE: Automatic
+      DEVELOPMENT_TEAM: ""
+      ENABLE_USER_SCRIPT_SANDBOXING: false
+      PRODUCT_BUNDLE_IDENTIFIER: de.kanbangit.desktop
+targetTemplates:
+  app:
+    type: application
+    sources:
+      - path: Sources
+    scheme:
+      environmentVariables:
+        RUST_BACKTRACE: full
+        RUST_LOG: info
+    settings:
+      groups: [app]
+targets:
+  kanbangit-native_iOS:
+    type: application
+    platform: iOS
+    sources:
+      - path: Sources
+      - path: Assets.xcassets
+      - path: kanbangit-native_iOS
+      - path: LaunchScreen.storyboard
+    info:
+      path: kanbangit-native_iOS/Info.plist
+      properties:
+        NSCameraUsageDescription: Choose a profile picture using your camera.
+        NSPhotoLibraryUsageDescription: Choose a profile picture from your photo library.
+        LSRequiresIPhoneOS: true
+        UILaunchStoryboardName: LaunchScreen
+        UIRequiredDeviceCapabilities: [arm64, metal]
+        UISupportedInterfaceOrientations:
+          - UIInterfaceOrientationPortrait
+          - UIInterfaceOrientationLandscapeLeft
+          - UIInterfaceOrientationLandscapeRight
+        UISupportedInterfaceOrientations~ipad:
+          - UIInterfaceOrientationPortrait
+          - UIInterfaceOrientationPortraitUpsideDown
+          - UIInterfaceOrientationLandscapeLeft
+          - UIInterfaceOrientationLandscapeRight
+        CFBundleShortVersionString: 0.1.0
+        CFBundleVersion: "0.1.0"
+    entitlements:
+      path: kanbangit-native_iOS/kanbangit-native_iOS.entitlements
+    scheme:
+      environmentVariables:
+        RUST_BACKTRACE: full
+        RUST_LOG: info
+      testTargets:
+        - WorkspaceTests
+        - WorkspaceUITests
+    settings:
+      base:
+        ENABLE_BITCODE: false
+        ARCHS: [arm64]
+        VALID_ARCHS: arm64
+        LIBRARY_SEARCH_PATHS[arch=x86_64]: $(inherited) $(PROJECT_DIR)/Externals/x86_64/$(CONFIGURATION) $(SDKROOT)/usr/lib/swift $(DEVELOPER_DIR)/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/$(PLATFORM_NAME) $(DEVELOPER_DIR)/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift-5.0/$(PLATFORM_NAME)
+        LIBRARY_SEARCH_PATHS[arch=arm64]: $(inherited) $(PROJECT_DIR)/Externals/arm64/$(CONFIGURATION) $(SDKROOT)/usr/lib/swift $(DEVELOPER_DIR)/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/$(PLATFORM_NAME) $(DEVELOPER_DIR)/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift-5.0/$(PLATFORM_NAME)
+        ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES: true
+        EXCLUDED_ARCHS[sdk=iphoneos*]: x86_64
+      groups: [app]
+    dependencies:
+      - framework: libapp.a
+        embed: false
+      - sdk: CoreGraphics.framework
+      - sdk: Metal.framework
+      - sdk: MetalKit.framework
+      - sdk: QuartzCore.framework
+      - sdk: Security.framework
+      - sdk: UIKit.framework
+      - sdk: WebKit.framework
+    preBuildScripts:
+      - script: |
+          export PATH="$(dirname "$(rustup which cargo)"):$PATH"
+          export RUSTC="$(rustup which rustc)"
+          cd "$SRCROOT/../../.."
+          ./node_modules/.bin/tauri ios xcode-script -v --platform ${PLATFORM_DISPLAY_NAME:?} --sdk-root ${SDKROOT:?} --framework-search-paths "${FRAMEWORK_SEARCH_PATHS:?}" --header-search-paths "${HEADER_SEARCH_PATHS:?}" --gcc-preprocessor-definitions "${GCC_PREPROCESSOR_DEFINITIONS:-}" --configuration ${CONFIGURATION:?} ${FORCE_COLOR} ${ARCHS:?}
+        name: Build Rust Code
+        basedOnDependencyAnalysis: false
+        outputFiles:
+          - $(SRCROOT)/Externals/x86_64/${CONFIGURATION}/libapp.a
+          - $(SRCROOT)/Externals/arm64/${CONFIGURATION}/libapp.a
+  WorkspaceTests:
+    type: bundle.unit-test
+    platform: iOS
+    sources:
+      - path: Tests
+      - path: Sources/kanbangit-native/WorkspacePolicy.swift
+      - path: Sources/kanbangit-native/WorkspaceViewController.swift
+      - path: Sources/kanbangit-native/en.lproj
+    settings:
+      base:
+        GENERATE_INFOPLIST_FILE: YES
+        PRODUCT_BUNDLE_IDENTIFIER: de.kanbangit.tests
+        SWIFT_VERSION: "5.0"
+  WorkspaceUITests:
+    type: bundle.ui-testing
+    platform: iOS
+    sources: [UITests]
+    dependencies:
+      - target: kanbangit-native_iOS
+    settings:
+      base:
+        GENERATE_INFOPLIST_FILE: YES
+        PRODUCT_BUNDLE_IDENTIFIER: de.kanbangit.uitests
+        SWIFT_VERSION: "5.0"
+        TEST_TARGET_NAME: kanbangit-native_iOS

native/src-tauri/src/android.rs

@@ -0,0 +1,22 @@
+use tauri::{WebviewUrl, WebviewWindowBuilder};
+
+pub fn context<R: tauri::Runtime>() -> tauri::Context<R> {
+    tauri::generate_context!()
+}
+
+pub fn builder() -> tauri::Builder<tauri::Wry> {
+    tauri::Builder::default().setup(|app| {
+        WebviewWindowBuilder::new(app, "launcher", WebviewUrl::App("index.html".into()))
+            .use_https_scheme(true)
+            .on_navigation(|url| {
+                url.scheme() == "https"
+                    && url.host_str() == Some("tauri.localhost")
+                    && url.port().is_none()
+                    && url.username().is_empty()
+                    && url.password().is_none()
+                    && matches!(url.path(), "/" | "/index.html")
+            })
+            .build()?;
+        Ok(())
+    })
+}

native/src-tauri/src/desktop.rs

@@ -0,0 +1,590 @@
+use crate::locale::en;
+use crate::server::{validate_url, Server, DEFAULT_SERVER};
+use std::{path::PathBuf, sync::Mutex, time::Duration};
+use tauri::{
+    menu::{AboutMetadata, MenuBuilder, MenuItem, SubmenuBuilder},
+    webview::{NewWindowResponse, PageLoadEvent},
+    AppHandle, Manager, Url, WebviewUrl, WebviewWindowBuilder, WindowEvent,
+};
+
+#[derive(Default)]
+struct Connection {
+    server: Option<Server>,
+    label: Option<String>,
+    revision: u64,
+    ready: bool,
+    phase: &'static str,
+}
+
+impl Connection {
+    fn begin_navigation(&mut self) -> u64 {
+        self.revision += 1;
+        self.phase = "connecting";
+        self.revision
+    }
+
+    fn timeout(&mut self, revision: u64) -> bool {
+        if self.revision != revision || self.phase != "connecting" {
+            return false;
+        }
+        self.phase = "connectionError";
+        true
+    }
+}
+
+fn allows_server_navigation(server: &Url, destination: &Url) -> bool {
+    destination.scheme() == "https"
+        && destination.origin() == server.origin()
+        && destination.username().is_empty()
+        && destination.password().is_none()
+}
+
+fn allows_external_navigation(destination: &Url) -> bool {
+    matches!(destination.scheme(), "https" | "http")
+        && destination.host_str().is_some()
+        && destination.username().is_empty()
+        && destination.password().is_none()
+}
+
+fn open_external(destination: &Url) {
+    if allows_external_navigation(destination) {
+        // Arguments are passed directly to Launch Services, never through a shell.
+        let destination = destination.to_string();
+        std::thread::spawn(move || {
+            let _ = std::process::Command::new("/usr/bin/open")
+                .arg("--")
+                .arg(destination)
+                .status();
+        });
+    }
+}
+
+fn allows_launcher_navigation(destination: &Url) -> bool {
+    destination.scheme() == "tauri"
+        && destination.host_str() == Some("localhost")
+        && destination.port().is_none()
+        && destination.username().is_empty()
+        && destination.password().is_none()
+}
+
+fn configuration_path(app: &AppHandle) -> tauri::Result<PathBuf> {
+    Ok(app.path().app_config_dir()?.join("active-server"))
+}
+
+fn update_launcher(app: &AppHandle) {
+    let state = app.state::<Mutex<Connection>>();
+    let state = state.lock().unwrap();
+    let mut message = Url::parse("tauri://localhost/").unwrap();
+    message
+        .query_pairs_mut()
+        .append_pair(
+            "server",
+            state
+                .server
+                .as_ref()
+                .map_or(DEFAULT_SERVER, |server| server.url.as_str()),
+        )
+        .append_pair("phase", state.phase)
+        .append_pair("ready", if state.ready { "true" } else { "false" });
+    if let Some(window) = app.get_webview_window("launcher") {
+        let _ = window.eval(format!(
+            "window.updateLauncher?.('{}')",
+            message.query().unwrap()
+        ));
+    }
+}
+
+fn show_launcher(app: &AppHandle) {
+    update_launcher(app);
+    if let Some(window) = app.get_webview_window("launcher") {
+        let _ = window.show();
+        let _ = window.set_focus();
+    }
+}
+
+fn begin_navigation(app: &AppHandle, label: &str) {
+    let state = app.state::<Mutex<Connection>>();
+    let revision = {
+        let mut state = state.lock().unwrap();
+        if state.label.as_deref() != Some(label) {
+            return;
+        }
+        state.begin_navigation()
+    };
+    update_launcher(app);
+    let handle = app.clone();
+    std::thread::spawn(move || {
+        std::thread::sleep(Duration::from_secs(15));
+        let state = handle.state::<Mutex<Connection>>();
+        let timed_out = state.lock().unwrap().timeout(revision);
+        if timed_out {
+            show_launcher(&handle);
+        }
+    });
+}
+
+fn open_workspace(app: &AppHandle, input: &str) -> Result<(), &'static str> {
+    let url = validate_url(input)?;
+    let state = app.state::<Mutex<Connection>>();
+    let (server, old_label, label) = {
+        let mut state = state.lock().unwrap();
+        let same_server = state
+            .server
+            .as_ref()
+            .is_some_and(|server| server.url == url);
+        if same_server && state.ready {
+            if let Some(window) = state
+                .label
+                .as_ref()
+                .and_then(|label| app.get_webview_window(label))
+            {
+                window.show().map_err(|_| "connectionError")?;
+                window.set_focus().map_err(|_| "connectionError")?;
+                return Ok(());
+            }
+        }
+        let server = if same_server {
+            state.server.clone().unwrap()
+        } else {
+            Server::new(url).map_err(|_| "storageError")?
+        };
+        server
+            .save(&configuration_path(app).map_err(|_| "storageError")?)
+            .map_err(|_| "storageError")?;
+        let old_label = state.label.take();
+        state.server = Some(server.clone());
+        state.ready = false;
+        state.revision += 1;
+        let label = format!("workspace-{}", state.revision);
+        state.label = Some(label.clone());
+        (server, old_label, label)
+    };
+    if let Some(window) = old_label.and_then(|label| app.get_webview_window(&label)) {
+        window.close().map_err(|_| "connectionError")?;
+    }
+    begin_navigation(app, &label);
+    let handle = app.clone();
+    let navigation_label = label.clone();
+    let server_url = server.url.clone();
+    let popup_server = server_url.clone();
+    let popup_handle = app.clone();
+    let popup_label = label.clone();
+    let window = WebviewWindowBuilder::new(app, &label, WebviewUrl::External(server.url))
+        .title(en::APP_NAME)
+        .inner_size(1280.0, 850.0)
+        .min_inner_size(375.0, 600.0)
+        .center()
+        .visible(false)
+        .data_store_identifier(server.profile)
+        .on_navigation(move |destination| {
+            if !allows_server_navigation(&server_url, destination) {
+                open_external(destination);
+                return false;
+            }
+            begin_navigation(&handle, &navigation_label);
+            true
+        })
+        .on_new_window(move |destination, _| {
+            if allows_server_navigation(&popup_server, &destination) {
+                if let Some(window) = popup_handle.get_webview_window(&popup_label) {
+                    let _ = window.navigate(destination);
+                }
+            } else {
+                open_external(&destination);
+            }
+            NewWindowResponse::Deny
+        })
+        .on_page_load(|window, payload| {
+            if payload.event() != PageLoadEvent::Finished {
+                return;
+            }
+            let app = window.app_handle();
+            let state = app.state::<Mutex<Connection>>();
+            let should_show = {
+                let mut state = state.lock().unwrap();
+                if state.label.as_deref() != Some(window.label()) {
+                    return;
+                }
+                let first_load = !state.ready;
+                state.ready = true;
+                state.phase = "connected";
+                first_load
+            };
+            update_launcher(app);
+            if should_show {
+                let _ = window.show();
+                let _ = window.set_focus();
+                if let Some(launcher) = app.get_webview_window("launcher") {
+                    let _ = launcher.hide();
+                }
+            }
+        })
+        .build()
+        .map_err(|_| "connectionError")?;
+    let handle = app.clone();
+    window.on_window_event(move |event| {
+        if matches!(event, WindowEvent::Destroyed) {
+            let state = handle.state::<Mutex<Connection>>();
+            let current = {
+                let mut state = state.lock().unwrap();
+                if state.label.as_deref() == Some(&label) {
+                    state.label = None;
+                    state.ready = false;
+                    state.revision += 1;
+                    state.phase = "idle";
+                    true
+                } else {
+                    false
+                }
+            };
+            if current {
+                show_launcher(&handle);
+            }
+        }
+    });
+    Ok(())
+}
+
+fn handle_launcher_action(app: &AppHandle, destination: &Url) {
+    let result = match destination.path() {
+        "/action/updates" => {
+            #[cfg(target_os = "macos")]
+            crate::updates::show(app);
+            Ok(())
+        }
+        "/action/open" => {
+            let input = destination
+                .query_pairs()
+                .find(|(key, _)| key == "server")
+                .map(|(_, value)| value.into_owned())
+                .unwrap_or_default();
+            open_workspace(app, &input)
+        }
+        "/action/resume" => {
+            let label = app
+                .state::<Mutex<Connection>>()
+                .lock()
+                .unwrap()
+                .label
+                .clone();
+            if let Some(window) = label.and_then(|label| app.get_webview_window(&label)) {
+                let _ = window.show();
+                let _ = window.set_focus();
+            }
+            Ok(())
+        }
+        _ => Ok(()),
+    };
+    if let Err(error) = result {
+        app.state::<Mutex<Connection>>().lock().unwrap().phase = error;
+        show_launcher(app);
+    }
+}
+
+pub fn context<R: tauri::Runtime>() -> tauri::Context<R> {
+    tauri::generate_context!()
+}
+
+fn about_metadata(version: String) -> AboutMetadata<'static> {
+    AboutMetadata {
+        name: Some(en::APP_NAME.into()),
+        version: Some(version),
+        #[cfg(target_os = "macos")]
+        short_version: Some(crate::metadata::build_number().into()),
+        ..Default::default()
+    }
+}
+
+pub fn builder() -> tauri::Builder<tauri::Wry> {
+    tauri::Builder::default().setup(|app| {
+        let (server, phase) = match Server::load(&configuration_path(app.handle())?) {
+            Ok(server) => (server, "idle"),
+            Err(_) => (None, "storageError"),
+        };
+        app.manage(Mutex::new(Connection {
+            server,
+            phase,
+            ..Default::default()
+        }));
+        let menu = MenuBuilder::new(app)
+            .item(
+                &SubmenuBuilder::new(app, en::APP_NAME)
+                    .about_with_text(
+                        en::ABOUT,
+                        Some(about_metadata(app.package_info().version.to_string())),
+                    )
+                    .text("check-updates", en::CHECK_UPDATES)
+                    .item(&MenuItem::with_id(
+                        app,
+                        "install-update",
+                        en::INSTALL_UPDATE,
+                        false,
+                        None::<&str>,
+                    )?)
+                    .separator()
+                    .text("server-settings", en::SERVER_SETTINGS)
+                    .separator()
+                    .quit()
+                    .build()?,
+            )
+            .item(
+                &SubmenuBuilder::new(app, en::EDIT)
+                    .undo()
+                    .redo()
+                    .separator()
+                    .cut()
+                    .copy()
+                    .paste()
+                    .select_all()
+                    .build()?,
+            )
+            .item(
+                &SubmenuBuilder::new(app, en::NAVIGATION)
+                    .text("workspace-back", en::BACK)
+                    .text("workspace-forward", en::FORWARD)
+                    .build()?,
+            )
+            .build()?;
+        app.set_menu(menu)?;
+        #[cfg(target_os = "macos")]
+        crate::updates::setup(app.handle())?;
+        app.on_menu_event(|app, event| {
+            #[cfg(target_os = "macos")]
+            match event.id().as_ref() {
+                "check-updates" => {
+                    crate::updates::check(app, true);
+                    return;
+                }
+                "install-update" => {
+                    crate::updates::show(app);
+                    return;
+                }
+                _ => {}
+            }
+            if event.id().as_ref() == "server-settings" {
+                show_launcher(app);
+            } else if let Some(script) = match event.id().as_ref() {
+                "workspace-back" => Some("window.history.back()"),
+                "workspace-forward" => Some("window.history.forward()"),
+                _ => None,
+            } {
+                let label = app
+                    .state::<Mutex<Connection>>()
+                    .lock()
+                    .unwrap()
+                    .label
+                    .clone();
+                if let Some(window) = label.and_then(|label| app.get_webview_window(&label)) {
+                    let _ = window.eval(script);
+                }
+            }
+        });
+        let handle = app.handle().clone();
+        let launcher =
+            WebviewWindowBuilder::new(app, "launcher", WebviewUrl::App("index.html".into()))
+                .title(en::APP_NAME)
+                .inner_size(560.0, 720.0)
+                .min_inner_size(375.0, 640.0)
+                .center()
+                .on_navigation(move |destination| {
+                    if !allows_launcher_navigation(destination) {
+                        return false;
+                    }
+                    if destination.path().starts_with("/action/") {
+                        let handle = handle.clone();
+                        let destination = destination.clone();
+                        let _ = handle.clone().run_on_main_thread(move || {
+                            handle_launcher_action(&handle, &destination)
+                        });
+                        return false;
+                    }
+                    matches!(destination.path(), "" | "/" | "/index.html")
+                })
+                .on_new_window(|_, _| NewWindowResponse::Deny)
+                .on_page_load(|window, payload| {
+                    if payload.event() == PageLoadEvent::Finished {
+                        let app = window.app_handle().clone();
+                        update_launcher(&app);
+                        #[cfg(target_os = "macos")]
+                        crate::updates::refresh(&app);
+                        std::thread::spawn(move || {
+                            let handle = app.clone();
+                            let _ = app.run_on_main_thread(move || {
+                                let server = handle
+                                    .state::<Mutex<Connection>>()
+                                    .lock()
+                                    .unwrap()
+                                    .server
+                                    .clone();
+                                if let Some(server) = server {
+                                    if let Err(error) = open_workspace(&handle, server.url.as_str())
+                                    {
+                                        handle.state::<Mutex<Connection>>().lock().unwrap().phase =
+                                            error;
+                                        show_launcher(&handle);
+                                    }
+                                }
+                            });
+                        });
+                    }
+                })
+                .build()?;
+        let window = launcher.clone();
+        launcher.on_window_event(move |event| {
+            if let WindowEvent::CloseRequested { api, .. } = event {
+                api.prevent_close();
+                let _ = window.hide();
+            }
+        });
+        Ok(())
+    })
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[cfg(target_os = "macos")]
+    #[test]
+    fn about_shows_app_version_followed_by_the_actual_build_number() {
+        let metadata = about_metadata("9.8.7".into());
+        assert_eq!(metadata.version.as_deref(), Some("9.8.7"));
+        assert_eq!(
+            metadata.short_version.as_deref(),
+            Some(crate::metadata::build_number())
+        );
+        assert_ne!(metadata.version, metadata.short_version);
+    }
+
+    #[test]
+    fn external_links_accept_only_web_urls_without_credentials() {
+        for input in [
+            "https://git.example.com/org/repo/pulls/1#diff",
+            "http://git.example.com/repo",
+        ] {
+            assert!(allows_external_navigation(&Url::parse(input).unwrap()));
+        }
+        for input in [
+            "https://user:secret@git.example.com/",
+            "file:///etc/passwd",
+            "javascript:alert(1)",
+            "tauri://localhost/action/open",
+            "mailto:user@example.com",
+            "data:text/html,test",
+        ] {
+            assert!(!allows_external_navigation(&Url::parse(input).unwrap()));
+        }
+    }
+
+    #[test]
+    fn navigation_is_limited_to_the_selected_https_origin() {
+        let server = validate_url("https://example.com:8443/app/").unwrap();
+        for path in [
+            "/login",
+            "/two-factor-challenge",
+            "/projects/1?ticket=52#details",
+        ] {
+            assert!(allows_server_navigation(
+                &server,
+                &server.join(path).unwrap()
+            ));
+        }
+        for destination in [
+            "http://example.com:8443/",
+            "https://example.com/",
+            "https://other.example.com:8443/",
+            "https://user:secret@example.com:8443/",
+            "tauri://localhost/action/open?server=https://evil.test",
+            "file:///etc/passwd",
+            "data:text/html,hello",
+            "javascript:alert(1)",
+        ] {
+            assert!(!allows_server_navigation(
+                &server,
+                &Url::parse(destination).unwrap()
+            ));
+        }
+    }
+
+    #[test]
+    fn launcher_actions_are_restricted_to_the_bundled_origin() {
+        assert!(allows_launcher_navigation(
+            &Url::parse("tauri://localhost/action/open").unwrap()
+        ));
+        for input in [
+            DEFAULT_SERVER,
+            "https://localhost/",
+            "tauri://other/index.html",
+            "tauri://user@localhost/index.html",
+        ] {
+            assert!(!allows_launcher_navigation(&Url::parse(input).unwrap()));
+        }
+    }
+
+    #[test]
+    fn stale_timeouts_do_not_replace_newer_connections_or_loaded_forms() {
+        let mut state = Connection::default();
+        let first = state.begin_navigation();
+        let second = state.begin_navigation();
+        assert!(!state.timeout(first));
+        state.ready = true;
+        assert!(state.timeout(second));
+        assert!(state.ready);
+        assert!(!state.timeout(second));
+        let third = state.begin_navigation();
+        state.phase = "connected";
+        assert!(!state.timeout(third));
+    }
+
+    #[test]
+    fn remote_pages_cannot_invoke_native_commands() {
+        let builder = tauri::test::mock_builder();
+        #[cfg(target_os = "macos")]
+        let builder = builder.plugin(tauri_plugin_updater::Builder::new().build());
+        let app = builder.build(context()).unwrap();
+        let window = WebviewWindowBuilder::new(
+            &app,
+            "workspace-1",
+            WebviewUrl::External(Url::parse(DEFAULT_SERVER).unwrap()),
+        )
+        .build()
+        .unwrap();
+        for command in [
+            "plugin:updater|check",
+            "plugin:updater|download_and_install",
+            "plugin:window|close",
+            "plugin:webview|create_webview_window",
+            "plugin:path|resolve_directory",
+        ] {
+            let response = tauri::test::get_ipc_response(
+                &window,
+                tauri::webview::InvokeRequest {
+                    cmd: command.into(),
+                    callback: tauri::ipc::CallbackFn(0),
+                    error: tauri::ipc::CallbackFn(1),
+                    url: Url::parse(DEFAULT_SERVER).unwrap(),
+                    body: tauri::ipc::InvokeBody::default(),
+                    headers: Default::default(),
+                    invoke_key: tauri::test::INVOKE_KEY.into(),
+                },
+            );
+            assert!(response
+                .unwrap_err()
+                .as_str()
+                .unwrap()
+                .contains("not allowed"));
+        }
+    }
+
+    #[test]
+    fn packaged_app_exposes_no_native_capabilities_or_global_api() {
+        let config: serde_json::Value =
+            serde_json::from_str(include_str!("../tauri.conf.json")).unwrap();
+        assert_eq!(config["bundle"]["macOS"]["minimumSystemVersion"], "14.0");
+        assert_eq!(config["app"]["withGlobalTauri"], false);
+        assert_eq!(
+            config["app"]["security"]["capabilities"],
+            serde_json::json!([])
+        );
+    }
+}

native/src-tauri/src/ios.rs

@@ -0,0 +1,14 @@
+use tauri::{WebviewUrl, WebviewWindowBuilder};
+
+pub fn context<R: tauri::Runtime>() -> tauri::Context<R> {
+    tauri::generate_context!()
+}
+
+pub fn builder() -> tauri::Builder<tauri::Wry> {
+    tauri::Builder::default().setup(|app| {
+        WebviewWindowBuilder::new(app, "host", WebviewUrl::App("index.html".into()))
+            .on_navigation(|_| false)
+            .build()?;
+        Ok(())
+    })
+}

native/src-tauri/src/lib.rs

@@ -0,0 +1,26 @@
+#[cfg(target_os = "android")]
+mod android;
+#[cfg(not(any(target_os = "android", target_os = "ios")))]
+mod desktop;
+#[cfg(target_os = "ios")]
+mod ios;
+#[cfg(not(any(target_os = "android", target_os = "ios")))]
+mod locale;
+#[cfg(target_os = "macos")]
+mod metadata;
+#[cfg(not(any(target_os = "android", target_os = "ios")))]
+mod server;
+#[cfg(target_os = "macos")]
+mod updates;
+
+#[cfg(target_os = "android")]
+pub use android::{builder, context};
+#[cfg(not(any(target_os = "android", target_os = "ios")))]
+pub use desktop::{builder, context};
+#[cfg(target_os = "ios")]
+pub use ios::{builder, context};
+
+#[cfg_attr(mobile, tauri::mobile_entry_point)]
+pub fn run() {
+    builder().run(context()).expect("Could not start KanbanGit");
+}

native/src-tauri/src/locale.rs

@@ -0,0 +1,13 @@
+pub mod en {
+    pub const ABOUT: &str = "About KanbanGit";
+    pub const CHECK_UPDATES: &str = "Check For Updates…";
+    pub const INSTALL_UPDATE: &str = "Install Update…";
+    pub const UPDATE_BADGE: &str = "Update";
+    pub const UPDATES: &str = "KanbanGit Updates";
+    pub const APP_NAME: &str = "KanbanGit";
+    pub const SERVER_SETTINGS: &str = "Server settings…";
+    pub const NAVIGATION: &str = "Navigation";
+    pub const BACK: &str = "Back";
+    pub const FORWARD: &str = "Forward";
+    pub const EDIT: &str = "Edit";
+}

native/src-tauri/src/main.rs

@@ -0,0 +1,5 @@
+#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
+
+fn main() {
+    kanbangit_native::run();
+}

native/src-tauri/src/metadata.rs

@@ -0,0 +1,69 @@
+use std::{path::Path, sync::LazyLock};
+
+fn build_from_executable(executable: &Path) -> Option<String> {
+    let macos = executable.parent()?;
+    let contents = macos.parent()?;
+    if macos.file_name()? != "MacOS" || contents.file_name()? != "Contents" {
+        return None;
+    }
+    let output = std::process::Command::new("/usr/bin/plutil")
+        .args(["-extract", "CFBundleVersion", "raw", "-o", "-"])
+        .arg(contents.join("Info.plist"))
+        .output()
+        .ok()?;
+    if !output.status.success() {
+        return Some("unknown".into());
+    }
+    let build = String::from_utf8(output.stdout).ok()?;
+    Some(build.trim().to_owned())
+}
+
+pub fn build_number() -> &'static str {
+    static BUILD: LazyLock<String> = LazyLock::new(|| {
+        std::env::current_exe()
+            .ok()
+            .and_then(|executable| build_from_executable(&executable))
+            .unwrap_or_else(|| {
+                // Tauri omits macOS bundle settings from its generated runtime config.
+                let config: serde_json::Value =
+                    serde_json::from_str(include_str!("../tauri.conf.json")).unwrap();
+                config["bundle"]["macOS"]["bundleVersion"]
+                    .as_str()
+                    .unwrap_or("unknown")
+                    .to_owned()
+            })
+    });
+    &BUILD
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn installed_build_comes_from_the_app_plist_instead_of_the_app_version() {
+        let root = std::env::temp_dir().join(format!("kanbangit-build-{}", std::process::id()));
+        let contents = root.join("KanbanGit.app/Contents");
+        std::fs::create_dir_all(contents.join("MacOS")).unwrap();
+        let executable = contents.join("MacOS/kanbangit-native");
+        std::fs::write(contents.join("Info.plist"), r#"<?xml version="1.0" encoding="UTF-8"?><plist version="1.0"><dict><key>CFBundleShortVersionString</key><string>0.1.3</string><key>CFBundleVersion</key><string>42</string></dict></plist>"#).unwrap();
+        assert_eq!(build_from_executable(&executable).as_deref(), Some("42"));
+        std::fs::remove_file(contents.join("Info.plist")).unwrap();
+        assert_eq!(
+            build_from_executable(&executable).as_deref(),
+            Some("unknown")
+        );
+        std::fs::remove_dir_all(root).unwrap();
+    }
+
+    #[test]
+    fn unbundled_execution_uses_the_configured_build() {
+        assert!(build_from_executable(Path::new("/tmp/target/debug/kanbangit-native")).is_none());
+        let config: serde_json::Value =
+            serde_json::from_str(include_str!("../tauri.conf.json")).unwrap();
+        assert_eq!(
+            build_number(),
+            config["bundle"]["macOS"]["bundleVersion"].as_str().unwrap()
+        );
+    }
+}

native/src-tauri/src/server.rs

@@ -0,0 +1,137 @@
+use std::{fs, io, io::Read, path::Path};
+use tauri::Url;
+
+pub const DEFAULT_SERVER: &str = "https://kanbangit.de/";
+
+#[derive(Clone, Debug, PartialEq)]
+pub struct Server {
+    pub url: Url,
+    pub profile: [u8; 16],
+}
+
+pub fn validate_url(input: &str) -> Result<Url, &'static str> {
+    let input = input.trim();
+    if !input
+        .get(..8)
+        .is_some_and(|prefix| prefix.eq_ignore_ascii_case("https://"))
+        || input
+            .chars()
+            .any(|character| character.is_control() || character == '\\')
+    {
+        return Err("invalidServer");
+    }
+    let mut url = Url::parse(input).map_err(|_| "invalidServer")?;
+    if url.scheme() != "https"
+        || url.host_str().is_none()
+        || !url.username().is_empty()
+        || url.password().is_some()
+        || url.query().is_some()
+        || url.fragment().is_some()
+    {
+        return Err("invalidServer");
+    }
+    if !url.path().ends_with('/') {
+        url.set_path(&format!("{}/", url.path()));
+    }
+    Ok(url)
+}
+
+impl Server {
+    pub fn new(url: Url) -> io::Result<Self> {
+        let mut profile = [0; 16];
+        fs::File::open("/dev/urandom")?.read_exact(&mut profile)?;
+        Ok(Self { url, profile })
+    }
+
+    pub fn load(path: &Path) -> io::Result<Option<Self>> {
+        let contents = match fs::read_to_string(path) {
+            Ok(contents) => contents,
+            Err(error) if error.kind() == io::ErrorKind::NotFound => return Ok(None),
+            Err(error) => return Err(error),
+        };
+        let invalid = || io::Error::new(io::ErrorKind::InvalidData, "Invalid server configuration");
+        let (url, profile) = contents.split_once('\n').ok_or_else(invalid)?;
+        let url = validate_url(url).map_err(|_| invalid())?;
+        if profile.len() != 32 || !profile.is_ascii() {
+            return Err(invalid());
+        }
+        let mut bytes = [0; 16];
+        for (index, byte) in bytes.iter_mut().enumerate() {
+            *byte = u8::from_str_radix(&profile[index * 2..index * 2 + 2], 16)
+                .map_err(|_| invalid())?;
+        }
+        Ok(Some(Self {
+            url,
+            profile: bytes,
+        }))
+    }
+
+    pub fn save(&self, path: &Path) -> io::Result<()> {
+        if let Some(parent) = path.parent() {
+            fs::create_dir_all(parent)?;
+        }
+        let profile: String = self
+            .profile
+            .iter()
+            .map(|byte| format!("{byte:02x}"))
+            .collect();
+        let temporary = path.with_extension("tmp");
+        fs::write(&temporary, format!("{}\n{profile}", self.url))?;
+        fs::rename(temporary, path)
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn validates_and_normalizes_installation_addresses() {
+        assert_eq!(
+            validate_url(" HTTPS://Example.com:443/kanban ")
+                .unwrap()
+                .as_str(),
+            "https://example.com/kanban/"
+        );
+        assert!(validate_url("https://[::1]:8443/").is_ok());
+        for input in [
+            "http://example.com",
+            "https:example.com",
+            "https://user:secret@example.com",
+            "https://user@example.com",
+            "https://example.com/?token=secret",
+            "https://example.com/#secret",
+            "https://exa\nmple.com",
+            "https://example.com\\other",
+            "file:///tmp/test",
+            "javascript:alert(1)",
+            "",
+        ] {
+            assert!(validate_url(input).is_err(), "{input}");
+        }
+    }
+
+    #[test]
+    fn configuration_round_trip_preserves_only_the_address_and_profile() {
+        let server = Server::new(validate_url(DEFAULT_SERVER).unwrap()).unwrap();
+        let path =
+            std::env::temp_dir().join(format!("kanbangit-server-{:x?}/active", server.profile));
+        assert_eq!(Server::load(&path).unwrap(), None);
+        server.save(&path).unwrap();
+        assert_eq!(Server::load(&path).unwrap(), Some(server.clone()));
+        let other = Server::new(validate_url("https://other.example.com:444/").unwrap()).unwrap();
+        assert_ne!(server.profile, other.profile);
+        other.save(&path).unwrap();
+        assert_eq!(Server::load(&path).unwrap(), Some(other));
+        for contents in [
+            "http://example.com/\n00000000000000000000000000000000",
+            "invalid",
+            "https://example.com/\nshort",
+            "https://example.com/\nzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz",
+        ] {
+            fs::write(&path, contents).unwrap();
+            assert!(Server::load(&path).is_err());
+        }
+        fs::remove_dir_all(path.parent().unwrap()).unwrap();
+    }
+}

native/src-tauri/src/updates.rs

@@ -0,0 +1,793 @@
+use semver::Version;
+use serde::{Deserialize, Serialize};
+use std::{
+    fs,
+    io::Read,
+    path::Path,
+    sync::Mutex,
+    time::{Duration, Instant},
+};
+use tauri::{
+    webview::{NewWindowResponse, PageLoadEvent},
+    AppHandle, Manager, Url, WebviewUrl, WebviewWindowBuilder,
+};
+use tauri_plugin_updater::{Update, UpdaterExt};
+
+#[derive(Deserialize)]
+#[serde(rename_all = "camelCase")]
+struct Source {
+    base_url: String,
+    public_key: String,
+}
+fn source() -> &'static Source {
+    static SOURCE: std::sync::LazyLock<Source> = std::sync::LazyLock::new(|| {
+        serde_json::from_str(include_str!("../../update-source.json"))
+            .expect("Bundled update source must be valid")
+    });
+    &SOURCE
+}
+
+#[derive(Clone, Debug, Deserialize, Serialize)]
+#[serde(rename_all = "camelCase")]
+struct Preferences {
+    automatic: bool,
+    interval_hours: u64,
+}
+impl Default for Preferences {
+    fn default() -> Self {
+        Self {
+            automatic: true,
+            interval_hours: 6,
+        }
+    }
+}
+impl Preferences {
+    fn valid(&self) -> bool {
+        [1, 6, 24].contains(&self.interval_hours)
+    }
+}
+
+#[derive(Clone, Serialize)]
+#[serde(rename_all = "camelCase")]
+struct View {
+    phase: &'static str,
+    current_version: String,
+    build: String,
+    version: Option<String>,
+    notes: Option<String>,
+    downloaded: u64,
+    total: Option<u64>,
+    error: Option<&'static str>,
+    preferences: Preferences,
+}
+struct State {
+    view: View,
+    update: Option<Update>,
+    last_check: Option<Instant>,
+}
+impl State {
+    fn busy(&self) -> bool {
+        matches!(
+            self.view.phase,
+            "checking" | "downloading" | "verifying" | "installing" | "restarting"
+        )
+    }
+    fn begin_check(&mut self, manual: bool, now: Instant) -> bool {
+        if self.busy()
+            || (!manual
+                && (!self.view.preferences.automatic
+                    || self.last_check.is_some_and(|last| {
+                        now.duration_since(last)
+                            < Duration::from_secs(self.view.preferences.interval_hours * 3600)
+                    })))
+        {
+            return false;
+        }
+        self.last_check = Some(now);
+        self.view.phase = "checking";
+        self.view.error = None;
+        self.update = None;
+        self.view.version = None;
+        self.view.notes = None;
+        true
+    }
+}
+fn target() -> String {
+    format!("{}-apple-darwin", std::env::consts::ARCH)
+}
+fn feed_url() -> Url {
+    Url::parse(&format!("{}/{}/latest.json", source().base_url, target())).unwrap()
+}
+fn newer_stable(current: &str, candidate: &str) -> bool {
+    match (Version::parse(current), Version::parse(candidate)) {
+        (Ok(current), Ok(candidate)) => {
+            candidate.pre.is_empty() && candidate.build.is_empty() && candidate > current
+        }
+        _ => false,
+    }
+}
+fn valid_download(current: &str, version: &str, url: &Url) -> bool {
+    newer_stable(current, version)
+        && url.as_str()
+            == format!(
+                "{}/{}/{version}/KanbanGit-{version}-{}.app.tar.gz",
+                source().base_url,
+                target(),
+                target()
+            )
+}
+fn trusted_navigation(url: &Url) -> bool {
+    url.scheme() == "tauri"
+        && url.host_str() == Some("localhost")
+        && url.port().is_none()
+        && url.username().is_empty()
+        && url.password().is_none()
+}
+pub fn refresh(app: &AppHandle) {
+    let (view, available, busy) = {
+        let state = app.state::<Mutex<State>>();
+        let state = state.lock().unwrap();
+        (state.view.clone(), state.update.is_some(), state.busy())
+    };
+    if let Some(menu) = app.menu().and_then(|m| m.get("install-update")) {
+        if let Some(item) = menu.as_menuitem() {
+            let _ = item.set_enabled(available && !busy);
+        }
+    }
+    if let Some(window) = app.get_webview_window("updates") {
+        let _ = window.set_badge_label(available.then(|| crate::locale::en::UPDATE_BADGE.into()));
+        if let Ok(json) = serde_json::to_string(&view) {
+            let _ = window.eval(format!("window.updateStatus?.({json})"));
+        }
+    }
+    if let Some(window) = app.get_webview_window("launcher") {
+        let _ = window.eval(format!("window.updateAvailable?.({available})"));
+    }
+}
+pub fn show(app: &AppHandle) {
+    if let Some(window) = app.get_webview_window("updates") {
+        let _ = window.show();
+        let _ = window.set_focus();
+    }
+    refresh(app);
+}
+fn fail(app: &AppHandle, message: &'static str) {
+    {
+        let state = app.state::<Mutex<State>>();
+        let mut state = state.lock().unwrap();
+        state.view.phase = "error";
+        state.view.error = Some(message);
+    }
+    refresh(app);
+}
+fn update_error(error: &tauri_plugin_updater::Error) -> &'static str {
+    use tauri_plugin_updater::Error;
+    match error {
+        Error::Minisign(_)
+        | Error::Base64(_)
+        | Error::SignatureUtf8(_)
+        | Error::SignedVersionMismatch { .. }
+        | Error::MissingSignedVersion => "signatureError",
+        Error::Serialization(_)
+        | Error::Semver(_)
+        | Error::TargetsNotFound(_)
+        | Error::TargetNotFound(_) => "metadataError",
+        _ => "networkError",
+    }
+}
+pub fn check(app: &AppHandle, manual: bool) {
+    if manual {
+        show(app);
+    }
+    let begin = app
+        .state::<Mutex<State>>()
+        .lock()
+        .unwrap()
+        .begin_check(manual, Instant::now());
+    if !begin {
+        return;
+    }
+    refresh(app);
+    let app = app.clone();
+    tauri::async_runtime::spawn(async move {
+        let result = async {
+            app.updater_builder()
+                .pubkey(&source().public_key)
+                .endpoints(vec![feed_url()])?
+                .timeout(Duration::from_secs(60))
+                .configure_client(|client| client.https_only(true))
+                .version_comparator(|current, release| {
+                    newer_stable(&current.to_string(), &release.version.to_string())
+                })
+                .build()?
+                .check()
+                .await
+        }
+        .await;
+        match result {
+            Ok(Some(mut update)) => {
+                if !valid_download(
+                    &update.current_version,
+                    &update.version,
+                    &update.download_url,
+                ) || update.signature.trim().is_empty()
+                {
+                    fail(&app, "metadataError");
+                    return;
+                }
+                update.timeout = Some(Duration::from_secs(600));
+                let state = app.state::<Mutex<State>>();
+                let mut state = state.lock().unwrap();
+                state.view.phase = "available";
+                state.view.version = Some(update.version.clone());
+                state.view.notes = update.body.clone();
+                state.update = Some(update);
+            }
+            Ok(None) => app.state::<Mutex<State>>().lock().unwrap().view.phase = "current",
+            Err(error) => {
+                fail(&app, update_error(&error));
+                return;
+            }
+        }
+        refresh(&app);
+    });
+}
+fn command(program: &str, args: &[&str]) -> Result<String, &'static str> {
+    let output = std::process::Command::new(program)
+        .args(args)
+        .output()
+        .map_err(|_| "verificationError")?;
+    if !output.status.success() {
+        return Err("verificationError");
+    }
+    Ok(String::from_utf8_lossy(&output.stdout).trim().to_owned())
+}
+fn matches_architecture(header: &[u8]) -> bool {
+    let expected_cpu: u32 = if cfg!(target_arch = "aarch64") {
+        0x0100_000c
+    } else {
+        0x0100_0007
+    };
+    header.len() >= 8
+        && header[..4] == [0xcf, 0xfa, 0xed, 0xfe]
+        && header[4..8] == expected_cpu.to_le_bytes()
+}
+fn verify_bundle(archive: &Path, directory: &Path, version: &str) -> Result<(), &'static str> {
+    command(
+        "/usr/bin/tar",
+        &[
+            "-xzf",
+            archive.to_str().ok_or("verificationError")?,
+            "-C",
+            directory.to_str().ok_or("verificationError")?,
+        ],
+    )?;
+    let app = directory.join("KanbanGit.app");
+    let plist = app.join("Contents/Info.plist");
+    let plist = plist.to_str().ok_or("verificationError")?;
+    for (field, expected) in [
+        ("CFBundleShortVersionString", version),
+        ("CFBundleIdentifier", "de.kanbangit.desktop"),
+    ] {
+        if command(
+            "/usr/bin/plutil",
+            &["-extract", field, "raw", "-o", "-", plist],
+        )? != expected
+        {
+            return Err("verificationError");
+        }
+    }
+    let executable = app.join("Contents/MacOS/kanbangit-native");
+    let mut header = [0u8; 8];
+    fs::File::open(executable)
+        .and_then(|mut file| file.read_exact(&mut header))
+        .map_err(|_| "verificationError")?;
+    if !matches_architecture(&header) {
+        return Err("verificationError");
+    }
+    command("/usr/bin/codesign", &["--verify", "--deep", "--strict", "-R", "=anchor apple generic and identifier \"de.kanbangit.desktop\" and certificate leaf[subject.OU] = \"ZZX2KZGTHU\" and certificate leaf[field.1.2.840.113635.100.6.1.13] exists", app.to_str().ok_or("verificationError")?])?;
+    Ok(())
+}
+fn install(app: &AppHandle, confirmed_version: Option<&str>) {
+    let update = {
+        let state = app.state::<Mutex<State>>();
+        let mut state = state.lock().unwrap();
+        if state.busy() {
+            return;
+        }
+        let Some(update) = state.update.clone() else {
+            return;
+        };
+        if confirmed_version != Some(update.version.as_str()) {
+            return;
+        }
+        state.view.phase = "downloading";
+        state.view.error = None;
+        state.view.downloaded = 0;
+        state.view.total = None;
+        update
+    };
+    refresh(app);
+    let app = app.clone();
+    tauri::async_runtime::spawn(async move {
+        let bytes = update
+            .download(
+                |chunk, total| {
+                    {
+                        let state = app.state::<Mutex<State>>();
+                        let mut state = state.lock().unwrap();
+                        state.view.downloaded += chunk as u64;
+                        state.view.total = total;
+                    }
+                    refresh(&app);
+                },
+                || {
+                    app.state::<Mutex<State>>().lock().unwrap().view.phase = "verifying";
+                    refresh(&app);
+                },
+            )
+            .await;
+        let bytes = match bytes {
+            Ok(bytes) => bytes,
+            Err(error) => {
+                fail(&app, update_error(&error));
+                return;
+            }
+        };
+        let handle = app.clone();
+        let result = tauri::async_runtime::spawn_blocking(move || -> Result<(), &'static str> {
+            let cache = handle
+                .path()
+                .app_cache_dir()
+                .map_err(|_| "installationError")?
+                .join("verified-update");
+            if cache.exists() {
+                fs::remove_dir_all(&cache).map_err(|_| "installationError")?;
+            }
+            fs::create_dir_all(&cache).map_err(|_| "installationError")?;
+            let archive = cache.join("update.tar.gz");
+            let result = (|| {
+                fs::write(&archive, &bytes).map_err(|_| "installationError")?;
+                verify_bundle(&archive, &cache, &update.version)?;
+                handle.state::<Mutex<State>>().lock().unwrap().view.phase = "installing";
+                refresh(&handle);
+                update.install(&bytes).map_err(|_| "installationError")
+            })();
+            let _ = fs::remove_dir_all(cache);
+            result
+        })
+        .await;
+        match result {
+            Ok(Ok(())) => {
+                app.state::<Mutex<State>>().lock().unwrap().view.phase = "restarting";
+                refresh(&app);
+                app.restart();
+            }
+            Ok(Err(message)) => fail(&app, message),
+            Err(_) => fail(&app, "installationError"),
+        }
+    });
+}
+fn action(app: &AppHandle, url: &Url) {
+    match url.path() {
+        "/updates/check" => check(app, true),
+        "/updates/install" => install(
+            app,
+            url.query_pairs()
+                .find(|(key, _)| key == "version")
+                .as_ref()
+                .map(|(_, value)| value.as_ref()),
+        ),
+        "/updates/preferences" => {
+            let params: std::collections::HashMap<_, _> = url.query_pairs().collect();
+            let preferences = Preferences {
+                automatic: params.get("automatic").is_some_and(|v| v == "true"),
+                interval_hours: params
+                    .get("interval")
+                    .and_then(|v| v.parse().ok())
+                    .unwrap_or(0),
+            };
+            if !preferences.valid() {
+                fail(app, "preferencesError");
+                return;
+            }
+            let saved = (|| -> Result<(), Box<dyn std::error::Error>> {
+                let directory = app.path().app_config_dir()?;
+                fs::create_dir_all(&directory)?;
+                let pending = directory.join("update-preferences.pending");
+                fs::write(&pending, serde_json::to_vec(&preferences)?)?;
+                fs::rename(pending, directory.join("update-preferences.json"))?;
+                Ok(())
+            })();
+            if saved.is_err() {
+                fail(app, "preferencesError");
+                return;
+            }
+            app.state::<Mutex<State>>().lock().unwrap().view.preferences = preferences;
+            refresh(app);
+        }
+        _ => {}
+    }
+}
+pub fn setup(app: &AppHandle) -> tauri::Result<()> {
+    app.plugin(
+        tauri_plugin_updater::Builder::new()
+            .pubkey(&source().public_key)
+            .build(),
+    )?;
+    let path = app.path().app_config_dir()?.join("update-preferences.json");
+    let (preferences, error) = match fs::read(path) {
+        Ok(bytes) => match serde_json::from_slice::<Preferences>(&bytes) {
+            Ok(p) if p.valid() => (p, None),
+            _ => (
+                Preferences {
+                    automatic: false,
+                    ..Default::default()
+                },
+                Some("preferencesError"),
+            ),
+        },
+        Err(error) if error.kind() == std::io::ErrorKind::NotFound => {
+            (Preferences::default(), None)
+        }
+        Err(_) => (
+            Preferences {
+                automatic: false,
+                ..Default::default()
+            },
+            Some("preferencesError"),
+        ),
+    };
+    app.manage(Mutex::new(State {
+        view: View {
+            phase: if error.is_some() { "error" } else { "idle" },
+            current_version: app.package_info().version.to_string(),
+            build: crate::metadata::build_number().into(),
+            version: None,
+            notes: None,
+            downloaded: 0,
+            total: None,
+            error,
+            preferences,
+        },
+        update: None,
+        last_check: None,
+    }));
+    let handle = app.clone();
+    let window = WebviewWindowBuilder::new(app, "updates", WebviewUrl::App("updates.html".into()))
+        .title(crate::locale::en::UPDATES)
+        .inner_size(560.0, 690.0)
+        .min_inner_size(420.0, 580.0)
+        .center()
+        .visible(false)
+        .on_navigation(move |url| {
+            if !trusted_navigation(url) {
+                return false;
+            }
+            if url.path().starts_with("/updates/") {
+                action(&handle, url);
+                return false;
+            }
+            url.path() == "/updates.html"
+        })
+        .on_new_window(|_, _| NewWindowResponse::Deny)
+        .on_page_load(|window, payload| {
+            if payload.event() == PageLoadEvent::Finished {
+                refresh(window.app_handle());
+            }
+        })
+        .build()?;
+    let hide = window.clone();
+    window.on_window_event(move |event| {
+        if let tauri::WindowEvent::CloseRequested { api, .. } = event {
+            api.prevent_close();
+            let _ = hide.hide();
+        }
+    });
+    let handle = app.clone();
+    std::thread::spawn(move || loop {
+        check(&handle, false);
+        std::thread::sleep(Duration::from_secs(30));
+    });
+    Ok(())
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    fn state() -> State {
+        State {
+            view: View {
+                phase: "idle",
+                current_version: "1.0.0".into(),
+                build: "1".into(),
+                version: None,
+                notes: None,
+                downloaded: 0,
+                total: None,
+                error: None,
+                preferences: Preferences::default(),
+            },
+            update: None,
+            last_check: None,
+        }
+    }
+    #[test]
+    fn accepts_only_newer_stable_versions_and_exact_release_paths() {
+        assert!(newer_stable("1.9.9", "1.10.0"));
+        for version in ["0.9.0", "1.0.0", "1.2.0-beta", "1.2.0+build", "invalid"] {
+            assert!(!newer_stable("1.0.0", version));
+        }
+        let good = format!(
+            "{}/{}/1.1.0/KanbanGit-1.1.0-{}.app.tar.gz",
+            source().base_url,
+            target(),
+            target()
+        );
+        assert!(valid_download(
+            "1.0.0",
+            "1.1.0",
+            &Url::parse(&good).unwrap()
+        ));
+        for input in [
+            good.replace("https:", "http:"),
+            good.replace(".app.tar.gz", ".dmg"),
+            good.replace("1.1.0/", "0.9.0/"),
+            good.replace(&target(), "foreign-apple-darwin"),
+            format!("{good}?token=anything"),
+            format!("{good}#fragment"),
+            good.replace("https://", "https://user@"),
+            "https://untrusted.example/update.app.tar.gz".into(),
+        ] {
+            assert!(!valid_download(
+                "1.0.0",
+                "1.1.0",
+                &Url::parse(&input).unwrap()
+            ));
+        }
+    }
+    #[test]
+    fn automatic_checks_start_once_then_respect_interval_and_opt_out() {
+        let mut state = state();
+        let now = Instant::now();
+        assert!(state.begin_check(false, now));
+        assert!(!state.begin_check(false, now));
+        state.view.phase = "current";
+        assert!(!state.begin_check(false, now + Duration::from_secs(6 * 3600 - 1)));
+        assert!(state.begin_check(false, now + Duration::from_secs(6 * 3600)));
+        state.view.phase = "current";
+        state.view.preferences.automatic = false;
+        assert!(!state.begin_check(false, now + Duration::from_secs(24 * 3600)));
+        assert!(state.begin_check(true, now + Duration::from_secs(24 * 3600)));
+    }
+    #[test]
+    fn manual_checks_retry_errors_but_never_overlap_downloads_or_installation() {
+        let mut state = state();
+        state.view.phase = "error";
+        state.view.error = Some("networkError");
+        assert!(state.begin_check(true, Instant::now()));
+        assert!(state.view.error.is_none());
+        for phase in [
+            "checking",
+            "downloading",
+            "verifying",
+            "installing",
+            "restarting",
+        ] {
+            state.view.phase = phase;
+            assert!(!state.begin_check(true, Instant::now()));
+        }
+    }
+    #[test]
+    fn preferences_validate_and_round_trip_without_server_settings() {
+        let p = Preferences {
+            automatic: false,
+            interval_hours: 24,
+        };
+        let json = serde_json::to_string(&p).unwrap();
+        let loaded: Preferences = serde_json::from_str(&json).unwrap();
+        assert!(!loaded.automatic);
+        assert_eq!(loaded.interval_hours, 24);
+        assert!(loaded.valid());
+        for interval in [0, 2, 100, u64::MAX] {
+            assert!(!Preferences {
+                automatic: true,
+                interval_hours: interval
+            }
+            .valid());
+        }
+    }
+    #[test]
+    fn update_actions_are_confined_to_the_local_trusted_window() {
+        assert!(trusted_navigation(
+            &Url::parse("tauri://localhost/updates/install").unwrap()
+        ));
+        for address in [
+            "https://kanbangit.de/updates/install",
+            "https://localhost/updates/install",
+            "tauri://user@localhost/updates/install",
+            "tauri://localhost:443/updates/install",
+            "tauri://other/updates/install",
+        ] {
+            assert!(!trusted_navigation(&Url::parse(address).unwrap()));
+        }
+    }
+    #[test]
+    fn rejects_foreign_or_invalid_mach_o_headers_without_developer_tools() {
+        let cpu: u32 = if cfg!(target_arch = "aarch64") {
+            0x0100_000c
+        } else {
+            0x0100_0007
+        };
+        let mut header = vec![0xcf, 0xfa, 0xed, 0xfe];
+        header.extend(cpu.to_le_bytes());
+        assert!(matches_architecture(&header));
+        header[4] ^= 1;
+        assert!(!matches_architecture(&header));
+        assert!(!matches_architecture(b"MZ"));
+        assert!(!matches_architecture(&[0; 8]));
+    }
+    #[test]
+    fn error_categories_offer_specific_retryable_messages() {
+        use tauri_plugin_updater::Error;
+        assert_eq!(
+            update_error(&Error::Network("offline".into())),
+            "networkError"
+        );
+        assert_eq!(
+            update_error(&Error::TargetNotFound("darwin-other".into())),
+            "metadataError"
+        );
+        assert_eq!(
+            update_error(&Error::SignatureUtf8("invalid".into())),
+            "signatureError"
+        );
+    }
+}
+
+#[cfg(test)]
+mod signed_upgrade_test {
+    use super::*;
+    use std::{io::Write, net::TcpListener};
+
+    #[test]
+    #[ignore = "Requires KANBANGIT_UPGRADE_BASE and KANBANGIT_UPGRADE_ARCHIVE pointing to two Developer-ID-signed macOS versions"]
+    fn installs_a_real_signed_upgrade_and_rejects_tampering() {
+        let base = std::env::var("KANBANGIT_UPGRADE_BASE").expect("Set the signed base app path");
+        let archive = std::env::var("KANBANGIT_UPGRADE_ARCHIVE")
+            .expect("Set the signed updater archive path");
+        let base_version = env!("CARGO_PKG_VERSION");
+        let mut next_version = Version::parse(base_version).unwrap();
+        next_version.patch += 1;
+        let candidate_version =
+            std::env::var("KANBANGIT_UPGRADE_VERSION").unwrap_or_else(|_| next_version.to_string());
+        assert!(newer_stable(base_version, &candidate_version));
+        let root = std::env::temp_dir().join(format!("kanbangit-upgrade-{}", std::process::id()));
+        fs::create_dir(&root).unwrap();
+        struct Cleanup(std::path::PathBuf);
+        impl Drop for Cleanup {
+            fn drop(&mut self) {
+                let _ = fs::remove_dir_all(&self.0);
+            }
+        }
+        let _cleanup = Cleanup(root.clone());
+        let installed = root.join("KanbanGit.app");
+        command("/usr/bin/ditto", &[&base, installed.to_str().unwrap()]).unwrap();
+        let data = root.join("user-data");
+        fs::create_dir(&data).unwrap();
+        fs::write(data.join("active-server"), "https://workspace.example/").unwrap();
+        fs::write(data.join("session"), "existing-session").unwrap();
+        let bytes = fs::read(&archive).unwrap();
+        let signature = fs::read_to_string(format!("{archive}.sig")).unwrap();
+        let verify_dir = root.join("verify");
+        fs::create_dir(&verify_dir).unwrap();
+        verify_bundle(Path::new(&archive), &verify_dir, &candidate_version).unwrap();
+        assert!(verify_bundle(Path::new(&archive), &verify_dir, base_version).is_err());
+        let listener = TcpListener::bind("127.0.0.1:0").unwrap();
+        let address = listener.local_addr().unwrap();
+        let download = bytes.clone();
+        let announced_version = candidate_version.clone();
+        let server = std::thread::spawn(move || {
+            for index in 0..3 {
+                let (mut stream, _) = listener.accept().unwrap();
+                stream
+                    .set_read_timeout(Some(Duration::from_secs(10)))
+                    .unwrap();
+                let mut request = [0; 4096];
+                let _ = stream.read(&mut request).unwrap();
+                let body = if index == 0 {
+                    serde_json::to_vec(&serde_json::json!({"version":announced_version, "platforms":{(format!("darwin-{}", std::env::consts::ARCH)): {"url":format!("http://{address}/update.tar.gz"), "signature":signature.trim()}}})).unwrap()
+                } else if index == 1 {
+                    b"tampered update".to_vec()
+                } else {
+                    download.clone()
+                };
+                write!(
+                    stream,
+                    "HTTP/1.1 200 OK\r\nContent-Length: {}\r\nConnection: close\r\n\r\n",
+                    body.len()
+                )
+                .unwrap();
+                stream.write_all(&body).unwrap();
+            }
+        });
+        let mut context = crate::desktop::context();
+        context.config_mut().plugins.0.insert("updater".into(), serde_json::json!({"pubkey":source().public_key, "dangerousInsecureTransportProtocol":true}));
+        let app = tauri::test::mock_builder()
+            .plugin(tauri_plugin_updater::Builder::new().build())
+            .build(context)
+            .unwrap();
+        let update = tauri::async_runtime::block_on(async {
+            app.updater_builder()
+                .executable_path(installed.join("Contents/MacOS/kanbangit-native"))
+                .endpoints(vec![
+                    Url::parse(&format!("http://{address}/latest.json")).unwrap()
+                ])
+                .unwrap()
+                .timeout(Duration::from_secs(20))
+                .build()
+                .unwrap()
+                .check()
+                .await
+                .unwrap()
+                .unwrap()
+        });
+        assert_eq!(update.current_version, base_version);
+        let rejected =
+            tauri::async_runtime::block_on(update.download(|_, _| {}, || {})).unwrap_err();
+        assert_eq!(update_error(&rejected), "signatureError");
+        let plist = installed.join("Contents/Info.plist");
+        assert_eq!(
+            command(
+                "/usr/bin/plutil",
+                &[
+                    "-extract",
+                    "CFBundleShortVersionString",
+                    "raw",
+                    "-o",
+                    "-",
+                    plist.to_str().unwrap()
+                ]
+            )
+            .unwrap(),
+            base_version
+        );
+        let verified = tauri::async_runtime::block_on(update.download(|_, _| {}, || {})).unwrap();
+        assert_eq!(verified, bytes);
+        update.install(verified).unwrap();
+        assert_eq!(
+            command(
+                "/usr/bin/plutil",
+                &[
+                    "-extract",
+                    "CFBundleShortVersionString",
+                    "raw",
+                    "-o",
+                    "-",
+                    plist.to_str().unwrap()
+                ]
+            )
+            .unwrap(),
+            candidate_version
+        );
+        command(
+            "/usr/bin/codesign",
+            &[
+                "--verify",
+                "--deep",
+                "--strict",
+                installed.to_str().unwrap(),
+            ],
+        )
+        .unwrap();
+        assert_eq!(
+            fs::read_to_string(data.join("active-server")).unwrap(),
+            "https://workspace.example/"
+        );
+        assert_eq!(
+            fs::read_to_string(data.join("session")).unwrap(),
+            "existing-session"
+        );
+        server.join().unwrap();
+    }
+}

native/src-tauri/tauri.conf.json

@@ -0,0 +1,50 @@
+{
+    "$schema": "https://schema.tauri.app/config/2",
+    "productName": "KanbanGit",
+    "version": "0.1.4",
+    "identifier": "de.kanbangit.desktop",
+    "build": {
+        "frontendDist": "../ui"
+    },
+    "app": {
+        "windows": [],
+        "withGlobalTauri": false,
+        "security": {
+            "csp": "default-src 'self'; script-src 'self'; style-src 'self'; img-src 'self'; connect-src 'none'; object-src 'none'; base-uri 'none'; form-action 'none'; frame-src 'none'",
+            "capabilities": []
+        }
+    },
+    "bundle": {
+        "active": true,
+        "targets": [
+            "app"
+        ],
+        "icon": [
+            "icons/icon.png",
+            "icons/icon.icns"
+        ],
+        "macOS": {
+            "minimumSystemVersion": "14.0",
+            "bundleVersion": "4",
+            "dmg": {
+                "windowSize": {
+                    "width": 660,
+                    "height": 400
+                },
+                "appPosition": {
+                    "x": 180,
+                    "y": 170
+                },
+                "applicationFolderPosition": {
+                    "x": 480,
+                    "y": 170
+                }
+            }
+        }
+    },
+    "plugins": {
+        "updater": {
+            "pubkey": "dW50cnVzdGVkIGNvbW1lbnQ6IG1pbmlzaWduIHB1YmxpYyBrZXk6IDhBQzA0QjhENTI3OEE1QzAKUldUQXBYaFNqVXZBaXJVWmErWUZTNVp6QnllT25NWFMyemxqcFBnYnJHT3JBSWxrSkVYU1VVMFEK"
+        }
+    }
+}

native/src-tauri/tauri.ios.conf.json

@@ -0,0 +1,6 @@
+{
+    "$schema": "https://schema.tauri.app/config/2",
+    "bundle": {
+        "iOS": { "minimumSystemVersion": "17.0" }
+    }
+}

native/src-tauri/tests/macos_smoke.rs

@@ -0,0 +1,151 @@
+#[cfg(target_os = "macos")]
+fn main() {
+    use std::sync::{
+        atomic::{AtomicBool, AtomicUsize, Ordering},
+        Arc,
+    };
+    use tauri::{webview::PageLoadEvent, Manager};
+
+    let passed = Arc::new(AtomicBool::new(false));
+    let stage = Arc::new(AtomicUsize::new(0));
+    let page_stage = stage.clone();
+    let result_passed = passed.clone();
+    let plugin = tauri::plugin::Builder::<tauri::Wry>::new("macos-smoke")
+        .js_init_script("window.addEventListener('error', event => { location.href = 'tauri://localhost/__native_smoke_result?passed=false&error=' + encodeURIComponent(event.message || event.target.src); }, true);")
+        .on_page_load(move |webview, payload| {
+
+            if payload.event() != PageLoadEvent::Finished {
+                return;
+            }
+            if webview.label() == "launcher" {
+                webview.eval(r#"
+                    (async () => {
+                        const wait = async predicate => {
+                            for (let attempt = 0; attempt < 220; attempt++) {
+                                if (predicate()) return;
+                                await new Promise(resolve => setTimeout(resolve, 100));
+                            }
+                            throw new Error('Timed out waiting for local state');
+                        };
+                        try {
+                            await wait(() => document.querySelector('.open-workspace')?.textContent === 'Open workspace');
+                            const input = document.querySelector('#server-url');
+                            const form = document.querySelector('#server-form');
+                            const status = document.querySelector('#connection-status');
+                            input.value = 'http://example.com';
+                            form.requestSubmit();
+                            if (input.getAttribute('aria-invalid') !== 'true' || !status.textContent.includes('HTTPS')) throw new Error('Invalid address accepted');
+                            for (const [theme, expected] of [['dark', 'rgb(15, 23, 42)'], ['light', 'rgb(247, 249, 251)']]) {
+                                const appearance = document.querySelector('#appearance');
+                                appearance.value = theme;
+                                appearance.dispatchEvent(new Event('change'));
+                                if (getComputedStyle(document.documentElement).backgroundColor !== expected) throw new Error('Theme failed');
+                            }
+                            input.value = 'https://127.0.0.1:9/';
+                            form.requestSubmit();
+                            await wait(() => status.dataset.state === 'connectionError');
+                            if (input.value !== 'https://127.0.0.1:9/' || document.querySelector('.open-workspace').disabled) throw new Error('Offline recovery failed');
+                            input.value = 'https://kanbangit.de/';
+                            form.requestSubmit();
+                            if (document.querySelector('#switch-confirmation').hidden) throw new Error('Missing switch confirmation');
+                            document.querySelector('#cancel-switch').click();
+                            if (!document.querySelector('#switch-confirmation').hidden) throw new Error('Cancel failed');
+                            form.requestSubmit();
+                            document.querySelector('#confirm-switch').click();
+                        } catch (error) {
+                            location.href = 'tauri://localhost/__native_smoke_result?passed=false&reason=' + encodeURIComponent(error.message);
+                        }
+                    })();
+                "#).unwrap();
+            } else if webview.label().starts_with("workspace-") && payload.url().host_str() == Some("kanbangit.de") {
+                let current_stage = page_stage.fetch_add(1, Ordering::SeqCst);
+                if current_stage == 0 {
+                    webview.eval(r#"
+                        (async () => {
+                            for (let attempt = 0; attempt < 100; attempt++) {
+                                if (document.querySelector('#app')?.innerText.trim().length > 100) break;
+                                await new Promise(resolve => setTimeout(resolve, 100));
+                            }
+                            const rendered = document.querySelector('#app')?.innerText.trim().length > 100;
+                            let denied = true;
+                            for (const cmd of ['plugin:path|resolve_directory', 'plugin:window|get_all_windows']) {
+                                try { await window.__TAURI_INTERNALS__.invoke(cmd); denied = false; }
+                                catch (error) { denied = denied && String(error).includes('not allowed'); }
+                            }
+                            const input = document.createElement('input');
+                            input.id = 'kan52-unsaved'; input.value = 'unsaved input'; document.body.append(input);
+                            document.cookie = 'kan52_fixture=isolated; Path=/; Secure; SameSite=Lax';
+                            localStorage.setItem('kan52_fixture', 'isolated');
+                            const ok = rendered && denied && typeof window.__TAURI__ === 'undefined';
+                            location.href = '/__native_smoke_result?stage=loaded&passed=' + ok;
+                        })();
+                    "#).unwrap();
+                } else {
+                    webview.eval(r#"
+                        const isolated = !document.cookie.includes('kan52_fixture') && localStorage.getItem('kan52_fixture') === null;
+                        location.href = '/__native_smoke_result?stage=isolated&passed=' + isolated;
+                    "#).unwrap();
+                }
+            }
+        })
+        .on_navigation(move |webview, url| {
+
+            if url.path() != "/__native_smoke_result" {
+                return true;
+            }
+            let success = url.query_pairs().any(|(key, value)| key == "passed" && value == "true");
+            let loaded = url.query_pairs().any(|(key, value)| key == "stage" && value == "loaded");
+            println!("macOS WebView smoke test: {}", url.query().unwrap_or_default());
+            if success && loaded {
+                let app = webview.app_handle().clone();
+                let label = webview.label().to_string();
+                std::thread::spawn(move || {
+                    let window = app.get_webview_window(&label).unwrap();
+                    // A blocked cross-origin navigation must leave the existing input intact.
+                    window.navigate(tauri::Url::parse("https://kanbangit.de:9/unreachable").unwrap()).unwrap();
+                    std::thread::sleep(std::time::Duration::from_secs(1));
+                    window.eval(r#"
+                        if (document.querySelector('#kan52-unsaved')?.value !== 'unsaved input') {
+                            location.href = '/__native_smoke_result?passed=false&stage=preservation';
+                        }
+                    "#).unwrap();
+                    let launcher = app.get_webview_window("launcher").unwrap();
+                    launcher.show().unwrap();
+                    launcher.eval(r#"
+                        document.querySelector('#server-url').value = 'https://kanbangit.de/login/';
+                        document.querySelector('#server-form').requestSubmit();
+                        document.querySelector('#confirm-switch').click();
+                    "#).unwrap();
+                });
+            } else {
+                result_passed.store(success, Ordering::SeqCst);
+                webview.app_handle().exit(if success { 0 } else { 1 });
+            }
+            false
+        })
+        .build();
+    let mut context = kanbangit_native::context();
+    context.config_mut().identifier = format!("de.kanbangit.smoke.kan52.{}", std::process::id());
+    let app = kanbangit_native::builder()
+        .plugin(plugin)
+        .build(context)
+        .expect("The macOS application must start");
+    let config_dir = app.path().app_config_dir().unwrap();
+    let handle = app.handle().clone();
+    std::thread::spawn(move || {
+        std::thread::sleep(std::time::Duration::from_secs(60));
+        eprintln!("macOS smoke test timed out");
+        handle.exit(1);
+    });
+    app.run_return(|_, _| {});
+    let _ = std::fs::remove_dir_all(config_dir);
+    assert!(
+        passed.load(Ordering::SeqCst),
+        "The native smoke test must complete successfully"
+    );
+}
+
+#[cfg(not(target_os = "macos"))]
+fn main() {
+    panic!("Run this smoke test on macOS with an active graphical session");
+}

native/src-tauri/tests/updater_smoke.rs

@@ -0,0 +1,82 @@
+#[cfg(target_os = "macos")]
+#[tauri::command]
+fn updater_smoke_report(app: tauri::AppHandle, passed: bool, reason: String) {
+    use tauri::Manager;
+    println!("Updater WebView test: passed={passed}, {reason}");
+    app.state::<std::sync::Arc<std::sync::atomic::AtomicBool>>()
+        .store(passed, std::sync::atomic::Ordering::SeqCst);
+    app.exit(if passed { 0 } else { 1 });
+}
+
+#[cfg(target_os = "macos")]
+fn main() {
+    use std::sync::{
+        atomic::{AtomicBool, Ordering},
+        Arc,
+    };
+    use tauri::webview::PageLoadEvent;
+    let passed = Arc::new(AtomicBool::new(false));
+    let config: serde_json::Value =
+        serde_json::from_str(include_str!("../tauri.conf.json")).unwrap();
+    let expected_installed = format!(
+        "Installed version {} (build {})",
+        config["version"].as_str().unwrap(),
+        config["bundle"]["macOS"]["bundleVersion"].as_str().unwrap()
+    );
+
+    let plugin = tauri::plugin::Builder::<tauri::Wry>::new("updater-smoke")
+        .js_init_script(format!("window.expectedInstalled = {};", serde_json::to_string(&expected_installed).unwrap()))
+        .on_page_load(|window, payload| {
+            if window.label() != "updates" || payload.event() != PageLoadEvent::Finished { return; }
+            window.eval(r#"
+            (async () => {
+                try {
+                    for (let i = 0; i < 100 && !window.updateStatus; i++) await new Promise(r => setTimeout(r, 50));
+                    if (!window.updateStatus) throw new Error('Update UI did not load');
+                    const $ = id => document.getElementById(id);
+                    for (let i = 0; i < 100 && !$('installed').textContent; i++) await new Promise(r => setTimeout(r, 50));
+                    if ($('installed').textContent !== window.expectedInstalled) throw new Error('Actual installed version/build failed: ' + $('installed').textContent);
+                    const state = { phase: 'current', currentVersion: '0.1.2', build: '2', version: null, notes: null, downloaded: 0, total: null, error: null, preferences: { automatic: true, intervalHours: 6 } };
+                    window.updateStatus(state);
+                    if (!$('installed').textContent.includes('0.1.2 (build 2)') || !$('install').hidden || $('check').disabled) throw new Error('Current version state failed');
+                    Object.assign(state, { phase: 'available', version: '0.1.3', notes: '<script>unsafe()</script>\nRelease notes' });
+                    window.updateStatus(state);
+                    if ($('install').hidden || $('release-notes').querySelector('script') || !$('release-notes').textContent.includes('<script>')) throw new Error('Available state or text escaping failed');
+                    $('install').click();
+                    if ($('install-confirmation').hidden || !$('install-confirmation').textContent.includes('Unsaved inputs')) throw new Error('Missing restart confirmation');
+                    $('cancel-install').click();
+                    if (!$('install-confirmation').hidden) throw new Error('Cancel failed');
+                    Object.assign(state, { phase: 'downloading', downloaded: 500, total: 1000 }); window.updateStatus(state);
+                    if (!$('check').disabled || !$('install').hidden || $('download-progress').value !== 500) throw new Error('Progress state failed');
+                    Object.assign(state, { phase: 'error', error: 'signatureError' }); window.updateStatus(state);
+                    if ($('install').hidden || !$('update-error').textContent.includes('Nothing was installed')) throw new Error('Retry failed');
+                    state.preferences.automatic = false; window.updateStatus(state);
+                    if ($('automatic').checked || !$('interval').disabled) throw new Error('Opt out failed');
+                    await window.__TAURI_INTERNALS__.invoke('updater_smoke_report', { passed: true, reason: '' });
+                } catch (error) {
+                    await window.__TAURI_INTERNALS__.invoke('updater_smoke_report', { passed: false, reason: error.message });
+                }
+            })();
+            "#).unwrap();
+        })
+        .build();
+    let mut context = kanbangit_native::context();
+    context.config_mut().identifier = format!("de.kanbangit.smoke.updates.{}", std::process::id());
+    let app = kanbangit_native::builder()
+        .manage(passed.clone())
+        .invoke_handler(tauri::generate_handler![updater_smoke_report])
+        .plugin(plugin)
+        .build(context)
+        .expect("App must start");
+    let handle = app.handle().clone();
+    std::thread::spawn(move || {
+        std::thread::sleep(std::time::Duration::from_secs(30));
+        handle.exit(1);
+    });
+    app.run_return(|_, _| {});
+    assert!(passed.load(Ordering::SeqCst), "Updater UI test must pass");
+}
+#[cfg(not(target_os = "macos"))]
+fn main() {
+    panic!("Requires macOS");
+}

native/tests/hetzner-conditional.test.js

@@ -0,0 +1,117 @@
+import assert from 'node:assert/strict';
+import { spawnSync } from 'node:child_process';
+import { randomUUID } from 'node:crypto';
+import { mkdtempSync, readFileSync, rmSync, writeFileSync } from 'node:fs';
+import { tmpdir } from 'node:os';
+import { join } from 'node:path';
+import process from 'node:process';
+import test from 'node:test';
+import { conditionalEtag } from '../publish-macos.mjs';
+
+test(
+    'Hetzner conditional writes accept a bare ETag and reject a stale ETag',
+    {
+        skip: process.env.KANBANGIT_S3_INTEGRATION !== '1',
+    },
+    () => {
+        const bucket = process.env.AWS_BUCKET;
+        assert(bucket, 'Set AWS_BUCKET to a test bucket');
+        const directory = mkdtempSync(join(tmpdir(), 'kanbangit-s3-etag-'));
+        const key = `kanbangit-integration-tests/${randomUUID()}.txt`;
+        const file = join(directory, 'object.txt');
+        const downloaded = join(directory, 'downloaded.txt');
+        const run = (operation, args) => {
+            const result = spawnSync(
+                'aws',
+                [
+                    '--debug',
+                    '--endpoint-url',
+                    process.env.AWS_ENDPOINT,
+                    '--region',
+                    process.env.AWS_DEFAULT_REGION,
+                    '--no-cli-pager',
+                    's3api',
+                    operation,
+                    '--bucket',
+                    bucket,
+                    '--key',
+                    key,
+                    ...args,
+                ],
+                { encoding: 'utf8', timeout: 30000 },
+            );
+            // Never expose debug headers: they contain the signed Authorization header.
+            return {
+                status: result.status,
+                stdout: result.stdout,
+                codes: [
+                    ...(result.stderr || '').matchAll(/<Code>([^<]*)<\/Code>/g),
+                ].map((match) => match[1]),
+            };
+        };
+        let created = false;
+        try {
+            writeFileSync(file, 'first');
+            const initial = run('put-object', [
+                '--body',
+                file,
+                '--if-none-match',
+                '*',
+            ]);
+            assert.equal(initial.status, 0, `Create failed: ${initial.codes}`);
+            created = true;
+            const read = run('get-object', ['--output', 'json', downloaded]);
+            assert.equal(read.status, 0, `Read failed: ${read.codes}`);
+            const etag = JSON.parse(read.stdout).ETag;
+            const quoted = run('put-object', [
+                '--body',
+                file,
+                '--if-match',
+                etag,
+            ]);
+            console.log(
+                `Quoted ETag result: exit ${quoted.status}, S3 ${quoted.codes.join(', ')}`,
+            );
+            const bare = conditionalEtag(etag);
+            writeFileSync(file, 'second');
+            const updated = run('put-object', [
+                '--body',
+                file,
+                '--if-match',
+                bare,
+            ]);
+            assert.equal(
+                updated.status,
+                0,
+                `Bare ETag replacement failed: ${updated.codes}`,
+            );
+            writeFileSync(file, 'stale writer');
+            const stale = run('put-object', [
+                '--body',
+                file,
+                '--if-match',
+                bare,
+            ]);
+            assert.notEqual(stale.status, 0);
+            assert(
+                stale.codes.includes('PreconditionFailed'),
+                `Unexpected stale error: ${stale.codes}`,
+            );
+            assert.equal(run('get-object', [downloaded]).status, 0);
+            assert.equal(readFileSync(downloaded, 'utf8'), 'second');
+        } finally {
+            try {
+                if (created) {
+                    const cleanup = run('delete-object', []);
+                    assert.equal(
+                        cleanup.status,
+                        0,
+                        `Cleanup failed: ${cleanup.codes}`,
+                    );
+                }
+            } finally {
+                rmSync(directory, { recursive: true, force: true });
+            }
+        }
+    },
+);

native/tests/launcher-browser.mjs

@@ -0,0 +1,148 @@
+import assert from 'node:assert/strict';
+import { readFile } from 'node:fs/promises';
+import { createServer } from 'node:http';
+import process from 'node:process';
+
+const { chromium } = await import(
+    process.env.PLAYWRIGHT_MODULE ?? 'playwright'
+);
+const actions = [];
+const server = createServer(async (request, response) => {
+    const url = new URL(request.url, 'http://localhost');
+    if (url.pathname.startsWith('/action/')) {
+        actions.push(url);
+        response.writeHead(204).end();
+        return;
+    }
+    const file = url.pathname === '/' ? 'index.html' : url.pathname.slice(1);
+    if (
+        ![
+            'index.html',
+            'main.js',
+            'server.js',
+            'locales/en.js',
+            'styles.css',
+            'mark.svg',
+        ].includes(file)
+    ) {
+        response.writeHead(404).end();
+        return;
+    }
+    response.setHeader(
+        'Content-Type',
+        file.endsWith('.js')
+            ? 'text/javascript'
+            : file.endsWith('.css')
+              ? 'text/css'
+              : file.endsWith('.svg')
+                ? 'image/svg+xml'
+                : 'text/html',
+    );
+    response.end(await readFile(new URL(`../ui/${file}`, import.meta.url)));
+});
+await new Promise((resolve) => server.listen(0, '127.0.0.1', resolve));
+const browser = await chromium.launch({ channel: 'chrome', headless: true });
+const page = await browser.newPage();
+const state = (phase, ready = false, server = 'https://kanbangit.de/') =>
+    page.evaluate(
+        ({ phase, ready, server }) => {
+            window.updateLauncher(
+                new URLSearchParams({
+                    phase,
+                    ready: String(ready),
+                    server,
+                }).toString(),
+            );
+        },
+        { phase, ready, server },
+    );
+const latestAction = async (name) => {
+    await page.waitForTimeout(100);
+    assert.equal(actions.at(-1)?.pathname, `/action/${name}`);
+};
+try {
+    await page.goto(`http://127.0.0.1:${server.address().port}/`);
+    await state('idle');
+    for (const width of [320, 390, 1440]) {
+        await page.setViewportSize({ width, height: 900 });
+        for (const theme of ['light', 'dark', 'system']) {
+            await page.getByLabel('Appearance').selectOption(theme);
+            assert.equal(
+                await page.evaluate(
+                    () => document.documentElement.scrollWidth <= innerWidth,
+                ),
+                true,
+            );
+            assert.equal(
+                await page
+                    .getByRole('button', {
+                        name: 'Open workspace',
+                        exact: true,
+                    })
+                    .isVisible(),
+                true,
+            );
+        }
+    }
+    await page.getByLabel('Server address').fill('http://example.com/');
+    await page.getByLabel('Server address').press('Enter');
+    assert.equal(
+        await page.getByLabel('Server address').getAttribute('aria-invalid'),
+        'true',
+    );
+    await page.getByLabel('Server address').fill('https://first.example.com/');
+    await page.getByLabel('Server address').press('Enter');
+    await latestAction('open');
+    assert.equal(
+        actions.at(-1).searchParams.get('server'),
+        'https://first.example.com/',
+    );
+    await state('connecting', false, 'https://first.example.com/');
+    assert.equal(
+        await page
+            .getByRole('button', { name: 'Open workspace', exact: true })
+            .isDisabled(),
+        true,
+    );
+    await state('connectionError', false, 'https://first.example.com/');
+    assert.equal(
+        await page.getByLabel('Server address').inputValue(),
+        'https://first.example.com/',
+    );
+    await page.getByRole('button', { name: 'Try again', exact: true }).click();
+    await latestAction('open');
+    await state('connected', true, 'https://first.example.com/');
+    await page
+        .getByRole('button', { name: 'Return to workspace', exact: true })
+        .click();
+    await latestAction('resume');
+    await page
+        .getByLabel('Server address')
+        .fill('https://second.example.com/app');
+    await page
+        .getByRole('button', { name: 'Open workspace', exact: true })
+        .click();
+    assert.equal(
+        await page
+            .getByRole('button', { name: 'Switch server', exact: true })
+            .isVisible(),
+        true,
+    );
+    await page.getByRole('button', { name: 'Cancel', exact: true }).click();
+    await latestAction('resume');
+    await page.getByLabel('Server address').press('Enter');
+    await page
+        .getByRole('button', { name: 'Switch server', exact: true })
+        .click();
+    await latestAction('open');
+    assert.equal(
+        actions.at(-1).searchParams.get('server'),
+        'https://second.example.com/app/',
+    );
+    console.log(
+        'Launcher browser tests passed: responsive themes, keyboard, validation, offline retry, resume and confirmed switching.',
+    );
+} finally {
+    await browser.close();
+    server.close();
+}

native/tests/launcher.test.js

@@ -0,0 +1,53 @@
+import assert from 'node:assert/strict';
+import { readFileSync } from 'node:fs';
+import test from 'node:test';
+import { en } from '../ui/locales/en.js';
+import { normalizeServer, needsConfirmation } from '../ui/server.js';
+
+const html = readFileSync(new URL('../ui/index.html', import.meta.url), 'utf8');
+
+test('every launcher text resolves to a nonempty English translation', () => {
+    for (const [, key] of html.matchAll(/data-i18n="([^"]+)"/g)) {
+        assert.equal(typeof en[key], 'string', key);
+        assert.ok(en[key].trim(), key);
+    }
+});
+
+test('installation addresses support custom domains, ports and base paths', () => {
+    assert.equal(
+        normalizeServer(' HTTPS://Example.com:443/kanban '),
+        'https://example.com/kanban/',
+    );
+    assert.equal(normalizeServer('https://[::1]:8443/'), 'https://[::1]:8443/');
+    for (const input of [
+        'http://example.com',
+        'https:example.com',
+        'https://user:secret@example.com',
+        'https://user@example.com',
+        'https://example.com/?token=secret',
+        'https://example.com/#secret',
+        'https://exa\nmple.com',
+        'https://example.com\\other',
+        'file:///tmp/test',
+        'javascript:alert(1)',
+        '',
+    ]) {
+        assert.throws(() => normalizeServer(input), undefined, input);
+    }
+});
+
+test('changing the installation requires confirmation, retrying does not', () => {
+    assert.equal(needsConfirmation(null, 'https://example.com/'), false);
+    assert.equal(
+        needsConfirmation('https://example.com/', 'https://example.com/'),
+        false,
+    );
+    assert.equal(
+        needsConfirmation('https://example.com/', 'https://example.com:8443/'),
+        true,
+    );
+    assert.equal(
+        needsConfirmation('https://example.com/a/', 'https://example.com/b/'),
+        true,
+    );
+});

native/tests/macos-ci.test.js

@@ -0,0 +1,221 @@
+import assert from 'node:assert/strict';
+import {
+    existsSync,
+    mkdirSync,
+    mkdtempSync,
+    readFileSync,
+    symlinkSync,
+    rmSync,
+    writeFileSync,
+} from 'node:fs';
+import { tmpdir } from 'node:os';
+import { join } from 'node:path';
+import test from 'node:test';
+import { updateSource } from '../update-manifest.mjs';
+import {
+    packageNotarizedApp,
+    releaseMetadata,
+    verifyNotarizedApp,
+} from '../macos-ci.mjs';
+
+function fixture(t) {
+    const directory = mkdtempSync(join(tmpdir(), 'kanbangit-ci-test-'));
+    t.after(() => rmSync(directory, { recursive: true, force: true }));
+    mkdirSync(join(directory, 'src-tauri'));
+    const config = {
+        version: '1.2.3',
+        plugins: { updater: { pubkey: updateSource.publicKey } },
+        bundle: { macOS: { bundleVersion: '123' } },
+        productName: 'KanbanGit',
+        identifier: 'de.kanbangit.desktop',
+    };
+    writeFileSync(
+        join(directory, 'src-tauri/tauri.conf.json'),
+        JSON.stringify(config),
+    );
+    writeFileSync(
+        join(directory, 'package.json'),
+        JSON.stringify({ version: '1.2.3', releaseNotes: 'Release notes' }),
+    );
+    writeFileSync(
+        join(directory, 'src-tauri/Cargo.toml'),
+        '[package]\nname = "kanbangit-native"\nversion = "1.2.3"\n[dependencies]\nother = "2"\n',
+    );
+    const env = {
+        RELEASE_TAG: 'macos-v1.2.3',
+        APPLE_SIGNING_IDENTITY:
+            'Developer ID Application: Example (ZZX2KZGTHU)',
+    };
+    const bundle = join(
+        directory,
+        'src-tauri/target/aarch64-apple-darwin/release/bundle',
+    );
+    mkdirSync(join(bundle, 'dmg'), { recursive: true });
+    mkdirSync(join(bundle, 'macos'), { recursive: true });
+    writeFileSync(
+        join(bundle, 'dmg/KanbanGit_1.2.3_aarch64.dmg'),
+        'notarized archive',
+    );
+    writeFileSync(
+        join(bundle, 'macos/KanbanGit.app.tar.gz'),
+        'notarized updater',
+    );
+    writeFileSync(join(bundle, 'macos/KanbanGit.app.tar.gz.sig'), 'signature');
+    const calls = [];
+    const run = (command, args) => {
+        calls.push({ command, args });
+        if (command === 'codesign' && args.includes('--display')) {
+            return 'CodeDirectory flags=0x10000(runtime)\nCDHash=abcdef123456';
+        }
+        if (command === 'plutil') {
+            return '1.2.3';
+        }
+        if (command === 'lipo') {
+            return 'arm64';
+        }
+        if (command === 'hdiutil' && args[0] === 'attach') {
+            symlinkSync('/Applications', join(args.at(-1), 'Applications'));
+        }
+        return '';
+    };
+    return { directory, env, config, run, calls };
+}
+
+test('release metadata binds tag, all app versions, identity and architecture', (t) => {
+    const f = fixture(t);
+    assert.deepEqual(releaseMetadata(f.env, f.directory), {
+        version: '1.2.3',
+        notes: 'Release notes',
+        target: 'aarch64-apple-darwin',
+        arch: 'arm64',
+        filename: 'KanbanGit-1.2.3-aarch64-apple-darwin.dmg',
+        updaterFilename: 'KanbanGit-1.2.3-aarch64-apple-darwin.app.tar.gz',
+    });
+    assert.equal(
+        releaseMetadata(
+            { ...f.env, MACOS_RELEASE_TARGET: 'x86_64-apple-darwin' },
+            f.directory,
+        ).arch,
+        'x86_64',
+    );
+});
+
+for (const env of [
+    { RELEASE_TAG: 'v1.2.3' },
+    { RELEASE_TAG: 'macos-v1.2.4' },
+    { RELEASE_TAG: 'macos-v1.2.3; echo bad' },
+    { MACOS_RELEASE_TARGET: 'x86_64-unknown-linux-gnu' },
+    { APPLE_SIGNING_IDENTITY: '-' },
+    { APPLE_SIGNING_IDENTITY: 'Apple Development: Example (ZZX2KZGTHU)' },
+    {
+        APPLE_SIGNING_IDENTITY:
+            'Developer ID Application: Example (OLDTEAM123)',
+    },
+]) {
+    test(`rejects invalid release inputs ${JSON.stringify(env)}`, (t) => {
+        const f = fixture(t);
+        assert.throws(() => releaseMetadata({ ...f.env, ...env }, f.directory));
+    });
+}
+
+for (const [file, contents] of [
+    ['package.json', '{"version":"1.2.4"}'],
+    ['src-tauri/Cargo.toml', '[package]\nversion = "1.2.4"'],
+    ['src-tauri/tauri.conf.json', '{"version":"01.2.3"}'],
+    [
+        'src-tauri/tauri.conf.json',
+        '{"version":"1.2.3","identifier":"other","productName":"KanbanGit"}',
+    ],
+]) {
+    test(`rejects inconsistent metadata in ${file}: ${contents}`, (t) => {
+        const f = fixture(t);
+        writeFileSync(join(f.directory, file), contents);
+        assert.throws(() => releaseMetadata(f.env, f.directory));
+    });
+}
+
+test('packages only a verified app and checks the extracted download again', (t) => {
+    const f = fixture(t);
+    const output = packageNotarizedApp(f);
+    assert.equal(
+        readFileSync(join(output.directory, output.filename), 'utf8'),
+        'notarized archive',
+    );
+    assert.equal(
+        readFileSync(
+            join(output.directory, `${output.filename}.sha256`),
+            'utf8',
+        ),
+        `${output.checksum}  ${output.filename}\n`,
+    );
+    assert.equal(f.calls.filter((call) => call.command === 'spctl').length, 3);
+    assert.equal(f.calls.filter((call) => call.command === 'xcrun').length, 3);
+    assert.match(
+        f.calls.findLast((call) => call.command === 'spctl').args.at(-1),
+        /extracted\/KanbanGit\.app$/,
+    );
+    assert.throws(() => packageNotarizedApp(f), /already exists/);
+});
+
+for (const failure of [
+    'codesign',
+    'lipo',
+    'xcrun',
+    'spctl',
+    'hdiutil',
+    'tar',
+]) {
+    test(`does not publish local output when ${failure} verification fails`, (t) => {
+        const f = fixture(t);
+        const run = f.run;
+        f.run = (command, args) => {
+            if (command === failure) {
+                throw new Error('verification failed');
+            }
+            return run(command, args);
+        };
+        assert.throws(() => packageNotarizedApp(f), /verification failed/);
+        assert.equal(
+            existsSync(
+                join(
+                    f.directory,
+                    'src-tauri/target/macos-release/1.2.3-aarch64-apple-darwin',
+                ),
+            ),
+            false,
+        );
+    });
+}
+
+test('rejects an app built for a different architecture', (t) => {
+    const f = fixture(t);
+    const metadata = releaseMetadata(f.env, f.directory);
+    assert.throws(
+        () =>
+            verifyNotarizedApp('KanbanGit.app', metadata, (command, args) =>
+                command === 'lipo' ? 'x86_64' : f.run(command, args),
+            ),
+        /architecture/,
+    );
+});
+
+test('failed validation of the extracted app discards staged download', (t) => {
+    const f = fixture(t);
+    const run = f.run;
+    f.run = (command, args) => {
+        if (command === 'spctl' && args.at(-1).includes('extracted/')) {
+            throw new Error('roundtrip invalid');
+        }
+        return run(command, args);
+    };
+    assert.throws(() => packageNotarizedApp(f), /roundtrip invalid/);
+    assert.equal(
+        existsSync(
+            join(
+                f.directory,
+                'src-tauri/target/macos-release/1.2.3-aarch64-apple-darwin',
+            ),
+        ),
+        false,
+    );
+});