feat(KAN-32): add hierarchical acceptance criteria checklist

Reviewed-on: #122

.github/tests/test_and_check_app/action.yml

@@ -1,18 +1,72 @@
-name: test_and_check_app
-description: Build the test image and run all application checks
+name: "Lint and Test API"
+description: "Run Pint and the Pest test suite for the Laravel API"
 
 runs:
   using: composite
   steps:
-    - name: Test and check app
-      shell: bash
-      run: |
-        set -Eeuo pipefail
+    - name: Setup PHP
+      uses: shivammathur/setup-php@f3e473d116dcccaddc5834248c87452386958240 #v2.37.2
+      with:
+        php-version: "8.5"
+        extensions: mbstring, pdo_sqlite
+        coverage: none
+        tools: composer:v2
 
-        docker buildx build \
-          --file Dockerfile \
-          --target test \
-          --tag "local/kanbangit-test:${GITHUB_SHA}" \
-          --progress plain \
-          --load \
-          .
+    - name: Verify Composer lockfile
+      run: |
+        if [ ! -f composer.lock ]; then
+          echo "::error::api/composer.lock not found"
+          exit 1
+        fi
+      shell: bash
+
+    - name: Get Composer cache directory
+      id: composer_cache
+      run: echo "dir=$(composer config cache-files-dir)" >> "$GITHUB_OUTPUT"
+      shell: bash
+
+    - name: Cache Composer packages
+      uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
+      with:
+        path: ${{ steps.composer_cache.outputs.dir }}
+        key: ${{ runner.os }}-php-8.5-${{ hashFiles('api/composer.lock') }}
+
+    - 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 dependencies
+      run: pnpm install --frozen-lockfile
+      shell: bash
+
+    - name: Prepare environment file
+      run: cp .env.example .env
+      shell: bash
+
+    - name: Install dependencies
+      run: composer install --no-interaction --prefer-dist --no-progress
+      shell: bash
+
+    - name: Generate application key
+      run: php artisan key:generate
+      shell: bash
+
+    - name: Generate Wayfinder routes and actions
+      run: php artisan wayfinder:generate --with-form
+      shell: bash
+
+    - name: Build Vite app
+      run: pnpm run build
+      shell: bash
+
+    - name: Run ci check
+      run: composer run ci:check
+      shell: bash

.github/workflows/ci_cd.yml

@@ -2,7 +2,13 @@ name: CI/CD
 
 on:
   push:
+    branches:
+      - main
+    tags:
+      - "v*"
   pull_request:
+    branches:
+      - main
 
 permissions:
   contents: read
@@ -11,9 +17,19 @@ env:
   REGISTRY: git.twyco.de
 
 jobs:
-  test_and_check_app:
-    name: test_and_check_app
+  preconditions:
+    if: >
+      !(contains(github.event.head_commit.message, '[no-ci]') || contains(github.event.head_commit.message, '[skip-ci]'))
     runs-on: ubuntu-latest
+    steps:
+      - name: Conditions met
+        run: |
+          echo "Conditions for CI/CD are met. Proceeding with the workflow."
+
+  test_and_check_app:
+    runs-on: ubuntu-latest
+    needs:
+      - preconditions
     steps:
       - name: Check out repository
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
@@ -27,6 +43,7 @@ jobs:
       github.event_name == 'push' &&
       (github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/'))
     needs:
+      - preconditions
       - test_and_check_app
     runs-on: ubuntu-latest
     steps:

Dockerfile

@@ -55,8 +55,9 @@ COPY --from=node_binary /usr/local/ /usr/local/
 COPY . /var/www
 
 RUN composer install --prefer-dist --no-interaction --no-progress \
-    && npm ci \
-    && npm run build
+    && corepack enable pnpm \
+    && pnpm install --frozen-lockfile \
+    && pnpm run build
 
 FROM build AS test
 

composer.json

@@ -47,15 +47,15 @@
             "@php -r \"file_exists('.env') || copy('.env.example', '.env');\"",
             "@php artisan key:generate",
             "@php artisan migrate --force",
-            "npm install",
-            "npm run build"
+            "pnpm install",
+            "pnpm run build"
         ],
         "dev": [
             "Composer\\Config::disableProcessTimeout",
             "@php artisan dev"
         ],
         "dev:ssr": [
-            "npm run build:ssr",
+            "pnpm run build:ssr",
             "Composer\\Config::disableProcessTimeout",
             "npx concurrently -c \"#93c5fd,#c4b5fd,#fb7185,#fdba74\" \"php artisan serve\" \"php artisan queue:listen --tries=1\" \"php artisan pail --timeout=0\" \"php artisan inertia:start-ssr\" --names=server,queue,logs,ssr --kill-others"
         ],
@@ -67,9 +67,9 @@
         ],
         "ci:check": [
             "Composer\\Config::disableProcessTimeout",
-            "npm audit --audit-level=high",
-            "npm run lint:check",
-            "npm run types:check",
+            "pnpm audit --audit-level=high",
+            "pnpm run lint:check",
+            "pnpm run types:check",
             "@test"
         ],
         "test": [

eslint.config.mjs

@@ -25,6 +25,7 @@ const prettierOptions = {
 const eslintConfig = [
     {
         ignores: [
+            'bootstrap/ssr/**',
             '**/dist/**',
             'node_modules/**',
             '.github/**',

package.json

@@ -2,6 +2,13 @@
     "$schema": "https://www.schemastore.org/package.json",
     "private": true,
     "type": "module",
+    "devEngines": {
+        "packageManager": {
+            "name": "pnpm",
+            "version": "11.26.0+sha512.fc0e2bf890b9f983611f1ab68c0637bce914390653699f83c1a78b005ed25f2c81e77920c8fd8eee2ecf0b58b28cdcb00a84d97f69bcf7c56b2f344710238664",
+            "onFail": "error"
+        }
+    },
     "scripts": {
         "build": "vite build",
         "build:ssr": "vite build && vite build --ssr",
@@ -39,6 +46,7 @@
         "vue-tsc": "^2.2.4"
     },
     "dependencies": {
+        "@inertiajs/core": "2.3.18",
         "@inertiajs/vue3": "^2.3.7",
         "@vueuse/core": "^12.8.2",
         "class-variance-authority": "^0.7.1",

phpunit.xml

@@ -19,7 +19,6 @@
     </source>
     <php>
         <env name="APP_ENV" value="testing"/>
-        <env name="APP_KEY" value="base64:11ujGYe5vzbwqcdFDVQC6PuDgd7c8PKD9kWt9HH9Bvs="/>
         <env name="APP_MAINTENANCE_DRIVER" value="file"/>
         <env name="AVATAR_FILESYSTEM_DISK" value="public"/>
         <env name="AVATAR_URLS_TEMPORARY" value="false"/>

pnpm-workspace.yaml

@@ -0,0 +1,4 @@
+minimumReleaseAge: 10080
+allowBuilds:
+  unrs-resolver: true
+  vue-demi: true

resources/js/components/tickets/AcceptanceCriteriaChecklist.vue

@@ -0,0 +1,300 @@
+<script setup lang="ts">
+import {
+    ClipboardCheck,
+    IndentDecrease,
+    IndentIncrease,
+    Plus,
+    Trash2,
+} from 'lucide-vue-next';
+import { computed, nextTick, ref, useId } from 'vue';
+import { Button } from '@/components/ui/button';
+import InputError from '@/components/InputError.vue';
+import { useLocalization } from '@/composables/useLocalization';
+import {
+    canIndentAcceptanceCriterion,
+    indentAcceptanceCriterion,
+    removeAcceptanceCriterion,
+    syncAcceptanceCriteriaDescendantCheckedState,
+} from '@/lib/acceptance-criteria';
+import type { AcceptanceCriteriaModel } from '@/types/models/acceptance-criteria-model';
+
+const props = withDefaults(
+    defineProps<{
+        modelValue: AcceptanceCriteriaModel;
+        readonly?: boolean;
+        disabled?: boolean;
+        persistToggles?: boolean;
+        dirty?: boolean;
+        error?: string;
+    }>(),
+    {
+        readonly: false,
+        disabled: false,
+        persistToggles: false,
+        dirty: false,
+        error: '',
+    },
+);
+const emit = defineEmits<{
+    'update:modelValue': [items: AcceptanceCriteriaModel];
+    toggle: [index: number, checked: boolean];
+}>();
+const { t } = useLocalization();
+const id = useId();
+const root = ref<HTMLElement>();
+const editing = ref(!props.persistToggles);
+const completed = computed(
+    () => props.modelValue.filter((item) => item.checked).length,
+);
+const locked = computed(() => props.readonly || props.disabled);
+const update = (items: AcceptanceCriteriaModel): void => {
+    if (!locked.value) {
+        emit('update:modelValue', items);
+    }
+};
+const focusRow = async (index: number): Promise<void> => {
+    await nextTick();
+    const inputs =
+        root.value?.querySelectorAll<HTMLTextAreaElement>('textarea');
+    if (inputs?.[index]) {
+        inputs[index].focus();
+    } else {
+        root.value
+            ?.querySelector<HTMLButtonElement>('[data-add-criterion]')
+            ?.focus();
+    }
+};
+const add = (): void => {
+    update([...props.modelValue, { text: '', checked: false, indent: 0 }]);
+    void focusRow(props.modelValue.length);
+};
+const remove = (index: number): void => {
+    update(removeAcceptanceCriterion(props.modelValue, index));
+    void focusRow(Math.max(0, index - 1));
+};
+const changeText = (index: number, event: Event): void => {
+    const target = event.target as HTMLTextAreaElement;
+    const text = target.value;
+    target.setCustomValidity(text.trim() === '' ? t('criteria.required') : '');
+    update(
+        props.modelValue.map((item, position) =>
+            position === index ? { ...item, text } : item,
+        ),
+    );
+};
+const toggle = (index: number, event: Event): void => {
+    const target = event.target as HTMLInputElement;
+    const checked = target.checked;
+    target.checked = props.modelValue[index].checked;
+    if (locked.value) {
+        return;
+    }
+    if (props.persistToggles && !editing.value && !props.dirty) {
+        emit('toggle', index, checked);
+    } else {
+        update(
+            syncAcceptanceCriteriaDescendantCheckedState(
+                props.modelValue,
+                index,
+                checked,
+            ),
+        );
+    }
+};
+const onKeydown = (index: number, event: KeyboardEvent): void => {
+    if (!event.altKey || !['ArrowLeft', 'ArrowRight'].includes(event.key)) {
+        return;
+    }
+    event.preventDefault();
+    update(
+        indentAcceptanceCriterion(
+            props.modelValue,
+            index,
+            event.key === 'ArrowRight' ? 1 : -1,
+        ),
+    );
+};
+</script>
+
+<template>
+    <section
+        ref="root"
+        class="border-border bg-card min-w-0 space-y-4 rounded-xl border p-4 sm:p-5"
+        :aria-labelledby="`${id}-title`"
+        :aria-busy="disabled"
+    >
+        <div class="flex flex-wrap items-center justify-between gap-3">
+            <h3
+                :id="`${id}-title`"
+                class="flex items-center gap-2 font-semibold"
+            >
+                <ClipboardCheck
+                    class="text-primary size-5"
+                    aria-hidden="true"
+                />
+                {{ t('criteria.title') }}
+            </h3>
+            <span class="text-muted-foreground text-sm" aria-live="polite">{{
+                t('criteria.progress', { completed, total: modelValue.length })
+            }}</span>
+            <Button
+                v-if="persistToggles && !readonly"
+                type="button"
+                variant="outline"
+                :disabled="
+                    disabled ||
+                    (editing &&
+                        modelValue.some((item) => item.text.trim() === ''))
+                "
+                :aria-pressed="editing"
+                @click="editing = !editing"
+            >
+                {{ t(editing ? 'criteria.preview' : 'criteria.edit') }}
+            </Button>
+        </div>
+        <p v-if="!modelValue.length" class="text-muted-foreground text-sm">
+            {{ t('criteria.empty') }}
+        </p>
+        <ol v-else class="space-y-3">
+            <li
+                v-for="(item, index) in modelValue"
+                :key="item.id ?? `new-${index}`"
+                :data-indent="item.indent"
+                class="border-border min-w-0"
+                :class="{ 'border-s-2 ps-2': item.indent > 0 }"
+                :style="{ marginInlineStart: `${item.indent * 0.5}rem` }"
+            >
+                <div class="flex min-w-0 items-start gap-2">
+                    <label
+                        class="focus-within:ring-ring flex min-h-11 w-11 shrink-0 cursor-pointer items-center justify-center rounded-md focus-within:ring-2"
+                        :class="{ 'cursor-not-allowed opacity-60': locked }"
+                    >
+                        <input
+                            :checked="item.checked"
+                            type="checkbox"
+                            :disabled="locked"
+                            :aria-label="
+                                t('criteria.complete', {
+                                    number: index + 1,
+                                    text: item.text,
+                                })
+                            "
+                            class="border-input accent-primary size-5 rounded"
+                            @change="toggle(index, $event)"
+                        />
+                    </label>
+                    <div class="min-w-0 flex-1">
+                        <textarea
+                            v-if="editing && !readonly"
+                            :value="item.text"
+                            :aria-label="
+                                t('criteria.item', { number: index + 1 })
+                            "
+                            :aria-describedby="`${id}-hint ${id}-error`"
+                            :disabled="disabled"
+                            required
+                            rows="2"
+                            class="border-input bg-background focus-visible:ring-ring min-h-11 w-full rounded-md border px-3 py-2 text-sm outline-none focus-visible:ring-2 disabled:opacity-60"
+                            @input="changeText(index, $event)"
+                            @keydown="onKeydown(index, $event)"
+                        />
+                        <p
+                            v-else
+                            class="wrap-anywhere min-h-11 whitespace-pre-wrap py-2.5 text-sm"
+                            :class="{
+                                'text-muted-foreground line-through':
+                                    item.checked,
+                            }"
+                        >
+                            {{ item.text }}
+                        </p>
+                        <div
+                            v-if="editing && !readonly"
+                            class="flex flex-wrap gap-1"
+                        >
+                            <Button
+                                type="button"
+                                variant="ghost"
+                                size="icon"
+                                :disabled="disabled || item.indent === 0"
+                                :aria-label="
+                                    t('criteria.outdent', { number: index + 1 })
+                                "
+                                @click="
+                                    update(
+                                        indentAcceptanceCriterion(
+                                            modelValue,
+                                            index,
+                                            -1,
+                                        ),
+                                    )
+                                "
+                                ><IndentDecrease aria-hidden="true"
+                            /></Button>
+                            <Button
+                                type="button"
+                                variant="ghost"
+                                size="icon"
+                                :disabled="
+                                    disabled ||
+                                    !canIndentAcceptanceCriterion(
+                                        modelValue,
+                                        index,
+                                    )
+                                "
+                                :aria-label="
+                                    t('criteria.indent', { number: index + 1 })
+                                "
+                                @click="
+                                    update(
+                                        indentAcceptanceCriterion(
+                                            modelValue,
+                                            index,
+                                            1,
+                                        ),
+                                    )
+                                "
+                                ><IndentIncrease aria-hidden="true"
+                            /></Button>
+                            <Button
+                                type="button"
+                                variant="ghost"
+                                size="icon"
+                                :disabled="disabled"
+                                :aria-label="
+                                    t('criteria.remove', { number: index + 1 })
+                                "
+                                @click="remove(index)"
+                                ><Trash2 aria-hidden="true"
+                            /></Button>
+                        </div>
+                    </div>
+                </div>
+            </li>
+        </ol>
+        <template v-if="editing && !readonly">
+            <Button
+                data-add-criterion
+                type="button"
+                variant="outline"
+                :disabled="disabled"
+                @click="add"
+                ><Plus aria-hidden="true" />{{ t('criteria.add') }}</Button
+            >
+            <p :id="`${id}-hint`" class="text-muted-foreground text-xs">
+                {{ t('criteria.hint') }}
+            </p>
+        </template>
+        <p
+            v-if="persistToggles && dirty"
+            class="text-muted-foreground text-sm"
+            role="status"
+        >
+            {{ t('criteria.unsaved') }}
+        </p>
+        <p v-if="disabled" class="text-muted-foreground text-sm" role="status">
+            {{ t('criteria.saving') }}
+        </p>
+        <InputError :id="`${id}-error`" :message="error" role="alert" />
+    </section>
+</template>

resources/js/composables/useBoardDrag.ts

@@ -0,0 +1,154 @@
+import { computed, onMounted, onUnmounted, ref, shallowRef } from 'vue';
+import type { TicketModel } from '@/types/models/ticket-model';
+
+/** Pointer capture keeps mouse, pen and touch drags on the same code path. */
+export function useBoardDrag(options: {
+    canStart: (ticket: TicketModel) => boolean;
+    drop: (ticket: TicketModel, columnId: number) => void;
+}) {
+    const ticket = shallowRef<TicketModel | null>(null);
+    const active = ref(false);
+    const x = ref(0);
+    const y = ref(0);
+    const columnId = ref<number | null>(null);
+    let pointerId: number | null = null;
+    let handle: HTMLElement | null = null;
+    let startX = 0;
+    let startY = 0;
+    let frame = 0;
+
+    const draggedTicket = computed(() => (active.value ? ticket.value : null));
+
+    function locateTarget(): void {
+        const target = document
+            .elementFromPoint(x.value, y.value)
+            ?.closest<HTMLElement>('[data-board-drop-column]');
+        columnId.value = target ? Number(target.dataset.boardDropColumn) : null;
+    }
+
+    function scroll(): void {
+        if (!active.value) {
+            return;
+        }
+        const element = document.elementFromPoint(x.value, y.value);
+        const region = element?.closest<HTMLElement>(
+            '[data-board-drag-scroll]',
+        );
+        if (region) {
+            const bounds = region.getBoundingClientRect();
+            const left = Math.max(0, bounds.left);
+            const right = Math.min(window.innerWidth, bounds.right);
+            const delta =
+                x.value < left + 44 ? -10 : x.value > right - 44 ? 10 : 0;
+            region.scrollLeft += delta;
+        }
+        if (!element?.closest('[data-board-mobile-targets]')) {
+            const delta =
+                y.value < 64 ? -10 : y.value > window.innerHeight - 64 ? 10 : 0;
+            window.scrollBy(0, delta);
+        }
+        locateTarget();
+        frame = requestAnimationFrame(scroll);
+    }
+
+    function cancel(): void {
+        const previousPointer = pointerId;
+        pointerId = null;
+        active.value = false;
+        ticket.value = null;
+        columnId.value = null;
+        cancelAnimationFrame(frame);
+        if (
+            previousPointer !== null &&
+            handle?.hasPointerCapture(previousPointer)
+        ) {
+            handle.releasePointerCapture(previousPointer);
+        }
+        handle = null;
+    }
+
+    function start(event: PointerEvent, source: TicketModel): void {
+        if (
+            pointerId !== null ||
+            !event.isPrimary ||
+            event.button !== 0 ||
+            !options.canStart(source)
+        ) {
+            return;
+        }
+        handle = event.currentTarget as HTMLElement;
+        handle.focus({ preventScroll: true });
+        handle.setPointerCapture(event.pointerId);
+        pointerId = event.pointerId;
+        ticket.value = source;
+        startX = x.value = event.clientX;
+        startY = y.value = event.clientY;
+    }
+
+    function move(event: PointerEvent): void {
+        if (event.pointerId !== pointerId) {
+            return;
+        }
+        x.value = event.clientX;
+        y.value = event.clientY;
+        if (
+            !active.value &&
+            Math.hypot(x.value - startX, y.value - startY) >= 6
+        ) {
+            active.value = true;
+            frame = requestAnimationFrame(scroll);
+        }
+        if (active.value) {
+            event.preventDefault();
+            locateTarget();
+        }
+    }
+
+    function finish(event: PointerEvent): void {
+        if (event.pointerId !== pointerId) {
+            return;
+        }
+        x.value = event.clientX;
+        y.value = event.clientY;
+        locateTarget();
+        const source = draggedTicket.value;
+        const target = columnId.value;
+        cancel();
+        if (source && target !== null) {
+            options.drop(source, target);
+        }
+    }
+
+    function cancelPointer(event: PointerEvent): void {
+        if (event.pointerId === pointerId) {
+            cancel();
+        }
+    }
+
+    function keydown(event: KeyboardEvent): void {
+        if (event.key === 'Escape' && pointerId !== null) {
+            event.preventDefault();
+            cancel();
+        }
+    }
+
+    onMounted(() => {
+        document.addEventListener('pointermove', move, { passive: false });
+        document.addEventListener('pointerup', finish);
+        document.addEventListener('pointercancel', cancelPointer);
+        document.addEventListener('lostpointercapture', cancelPointer);
+        document.addEventListener('keydown', keydown);
+        window.addEventListener('blur', cancel);
+    });
+    onUnmounted(() => {
+        cancel();
+        document.removeEventListener('pointermove', move);
+        document.removeEventListener('pointerup', finish);
+        document.removeEventListener('pointercancel', cancelPointer);
+        document.removeEventListener('lostpointercapture', cancelPointer);
+        document.removeEventListener('keydown', keydown);
+        window.removeEventListener('blur', cancel);
+    });
+
+    return { draggedTicket, columnId, x, y, start, cancel };
+}

resources/js/lib/acceptance-criteria.ts

@@ -5,6 +5,76 @@ import type {
 
 const MAX_INDENT_LEVEL = 8;
 
+export const canIndentAcceptanceCriterion = (
+    items: AcceptanceCriteriaModel,
+    index: number,
+): boolean => {
+    const item = items[index];
+    const previous = items[index - 1];
+    if (!item || !previous || item.indent > previous.indent) {
+        return false;
+    }
+    return items
+        .slice(index, acceptanceCriteriaSubtreeEnd(items, index))
+        .every((descendant) => descendant.indent < MAX_INDENT_LEVEL);
+};
+
+const acceptanceCriteriaSubtreeEnd = (
+    items: AcceptanceCriteriaModel,
+    index: number,
+): number => {
+    let end = index + 1;
+    while (end < items.length && items[end].indent > items[index].indent) {
+        end++;
+    }
+    return end;
+};
+
+export const indentAcceptanceCriterion = (
+    items: AcceptanceCriteriaModel,
+    index: number,
+    direction: 1 | -1,
+): AcceptanceCriteriaModel => {
+    if (
+        !items[index] ||
+        (direction === 1
+            ? !canIndentAcceptanceCriterion(items, index)
+            : items[index].indent === 0)
+    ) {
+        return items;
+    }
+    const end = acceptanceCriteriaSubtreeEnd(items, index);
+    return items.map((item, position) =>
+        position >= index && position < end
+            ? { ...item, indent: item.indent + direction }
+            : item,
+    );
+};
+
+/** Remove only the selected criterion, promoting its children without losing them. */
+export const removeAcceptanceCriterion = (
+    items: AcceptanceCriteriaModel,
+    index: number,
+): AcceptanceCriteriaModel => {
+    if (!items[index]) {
+        return items;
+    }
+    const end = acceptanceCriteriaSubtreeEnd(items, index);
+    return items.flatMap((item, position) =>
+        position === index
+            ? []
+            : [
+                  {
+                      ...item,
+                      indent:
+                          position > index && position < end
+                              ? item.indent - 1
+                              : item.indent,
+                  },
+              ],
+    );
+};
+
 export type AcceptanceCriteriaEditorState = {
     checklist: string;
 };

resources/js/locales/en.ts

@@ -1,4 +1,23 @@
 export const en = {
+    'criteria.title': 'Acceptance criteria',
+    'criteria.progress': '{completed} of {total} complete',
+    'criteria.empty': 'No acceptance criteria yet.',
+    'criteria.required': 'Enter a criterion or remove this row.',
+    'criteria.edit': 'Edit checklist',
+    'criteria.preview': 'Preview checklist',
+    'criteria.item': 'Criterion {number}',
+    'criteria.complete': 'Complete criterion {number}: {text}',
+    'criteria.indent': 'Indent criterion {number}',
+    'criteria.outdent': 'Outdent criterion {number}',
+    'criteria.remove': 'Remove criterion {number}',
+    'criteria.add': 'Add criterion',
+    'criteria.hint':
+        'Use the indent buttons or Alt + Left/Right in a text field to nest criteria. Checking a parent also checks its children. Removing a parent keeps its children.',
+    'criteria.unsaved': 'Checklist changes will be saved with the ticket.',
+    'criteria.saving': 'Saving checklist…',
+    'criteria.saveError':
+        'Checklist status could not be saved. Please try again.',
+
     'board.title': '{name} board',
     'board.description':
         'Work in your configured workflow. Tickets without a board column stay in the backlog.',
@@ -18,6 +37,17 @@ export const en = {
     'board.updateStatus': 'Update status',
     'board.updatingStatus': 'Updating…',
     'board.noMoves': 'No allowed moves',
+    'board.drag': 'Drag to move',
+    'board.dragTicket': 'Drag {key} to change status',
+    'board.dragHint':
+        'Drag a handle to a highlighted column, or use the status controls. Press Escape to cancel.',
+    'board.dropHint': 'Drop on a column. Hold near an edge to scroll.',
+    'board.dragging':
+        'Dragging {key}. Drop on an allowed column or press Escape to cancel.',
+    'board.chooseStatus': 'Choose a destination status',
+    'board.chooseStatusDescription':
+        'More than one status is available for {key} in this column.',
+    'board.targetStatus': 'Destination status',
     'board.noMovesDescription':
         'This status does not allow moving anywhere else.',
     'projectCreation.title': 'Create a project',

resources/js/pages/projects/Board.vue

@@ -1,13 +1,24 @@
 <script setup lang="ts">
-import { Form, Head, Link } from '@inertiajs/vue3';
-import { ArrowLeft, ListTodo, Plus } from 'lucide-vue-next';
-import { computed, ref, watch } from 'vue';
+import { Form, Head, Link, useForm } from '@inertiajs/vue3';
+import { ArrowLeft, GripVertical, ListTodo, Plus } from 'lucide-vue-next';
+import { computed, nextTick, ref, watch } from 'vue';
 import { move } from '@/actions/App/Http/Controllers/ProjectBoardController';
 import FeedbackState from '@/components/FeedbackState.vue';
+import FormFeedback from '@/components/FormFeedback.vue';
 import InputError from '@/components/InputError.vue';
 import { TicketCard } from '@/components/tickets';
 import { Badge } from '@/components/ui/badge';
 import { Button } from '@/components/ui/button';
+import {
+    Dialog,
+    DialogContent,
+    DialogDescription,
+    DialogFooter,
+    DialogHeader,
+    DialogTitle,
+} from '@/components/ui/dialog';
+import { useBoardDrag } from '@/composables/useBoardDrag';
+import { useFormProtection } from '@/composables/useFormProtection';
 import { useLocalization } from '@/composables/useLocalization';
 import AppLayout from '@/layouts/AppLayout.vue';
 import { ticketStatusLabel } from '@/lib/tickets';
@@ -67,6 +78,140 @@ const allowedTargetStatuses = (ticket: TicketModel) =>
     (ticket.ticket_status?.allowed_target_statuses ?? []).filter(
         (status) => status.id !== ticket.ticket_status_id,
     );
+
+const moveForm = useForm({ ticket_status_id: 0, redirect_to: 'board' });
+const feedback = useFormProtection(moveForm, { isDirty: () => false });
+const menuPending = ref<number | null>(null);
+const busy = computed(() => moveForm.processing || menuPending.value !== null);
+const choice = ref<{ ticketId: number; columnId: number } | null>(null);
+const lastMove = ref<{ ticketId: number; statusId: number } | null>(null);
+const findTicket = (id: number) =>
+    props.boardColumns
+        .flatMap((column) => column.tickets ?? [])
+        .find((ticket) => ticket.id === id);
+const targetsForColumn = (ticket: TicketModel, columnId: number) => {
+    const statusIds =
+        props.boardColumns
+            .find((column) => column.id === columnId)
+            ?.ticket_statuses?.map((status) => status.id) ?? [];
+    return allowedTargetStatuses(ticket).filter((status) =>
+        statusIds.includes(status.id),
+    );
+};
+const choiceTicket = computed(() =>
+    choice.value ? findTicket(choice.value.ticketId) : undefined,
+);
+const choiceTargets = computed(() =>
+    choice.value && choiceTicket.value
+        ? targetsForColumn(choiceTicket.value, choice.value.columnId)
+        : [],
+);
+const choiceOpen = computed({
+    get: () => choice.value !== null,
+    set: (open: boolean) => {
+        if (!open) {
+            choice.value = null;
+        }
+    },
+});
+
+function submitMove(ticketId: number, statusId: number): void {
+    const ticket = findTicket(ticketId);
+    if (
+        busy.value ||
+        !props.canEditTickets ||
+        !ticket ||
+        !allowedTargetStatuses(ticket).some((status) => status.id === statusId)
+    ) {
+        return;
+    }
+    lastMove.value = { ticketId, statusId };
+    moveForm.ticket_status_id = statusId;
+    moveForm.clearErrors();
+    feedback.submit(move({ project: props.project.id, ticket: ticketId }), {
+        errorBag: `board-ticket-${ticketId}`,
+        preserveScroll: true,
+        onSuccess: async () => {
+            const destination = props.boardColumns.find((column) =>
+                column.ticket_statuses?.some(
+                    (status) => status.id === statusId,
+                ),
+            );
+            if (destination) {
+                selectedColumnId.value = destination.id;
+            }
+            await nextTick();
+            document
+                .getElementById(`ticket-status-${ticketId}`)
+                ?.focus({ preventScroll: true });
+        },
+    });
+}
+
+function dropTicket(ticket: TicketModel, columnId: number): void {
+    const current = findTicket(ticket.id);
+    if (!current || busy.value || !props.canEditTickets) {
+        return;
+    }
+    const targets = targetsForColumn(current, columnId);
+    if (targets.length === 1) {
+        submitMove(current.id, targets[0].id);
+    } else if (targets.length > 1) {
+        moveForm.ticket_status_id = targets[0].id;
+        choice.value = { ticketId: current.id, columnId };
+    }
+}
+
+const {
+    draggedTicket,
+    columnId: dropColumnId,
+    x: dragX,
+    y: dragY,
+    start: startDrag,
+    cancel: cancelDrag,
+} = useBoardDrag({
+    canStart: (ticket) =>
+        props.canEditTickets &&
+        !busy.value &&
+        !choice.value &&
+        allowedTargetStatuses(ticket).length > 0,
+    drop: dropTicket,
+});
+const canDrop = (columnId: number) =>
+    !!draggedTicket.value &&
+    targetsForColumn(draggedTicket.value, columnId).length > 0;
+const dropClasses = (columnId: number) =>
+    !draggedTicket.value
+        ? {}
+        : {
+              'border-primary border-dashed': canDrop(columnId),
+              'ring-2 ring-primary bg-primary/10':
+                  canDrop(columnId) && dropColumnId.value === columnId,
+              'opacity-40': !canDrop(columnId),
+          };
+function confirmMove(): void {
+    if (
+        !choice.value ||
+        !choiceTargets.value.some(
+            (status) => status.id === moveForm.ticket_status_id,
+        )
+    ) {
+        return;
+    }
+    const ticketId = choice.value.ticketId;
+    choice.value = null;
+    submitMove(ticketId, moveForm.ticket_status_id);
+}
+function focusStatus(ticketId: number): void {
+    document.getElementById(`ticket-status-${ticketId}`)?.focus();
+}
+watch(
+    () => [props.project.id, props.boardColumns, props.canEditTickets],
+    () => {
+        cancelDrag();
+        choice.value = null;
+    },
+);
 </script>
 
 <template>
@@ -130,6 +275,13 @@ const allowedTargetStatuses = (ticket: TicketModel) =>
             </header>
 
             <FeedbackState v-if="status" state="success" :title="status" />
+            <FormFeedback
+                :state="feedback.state.value"
+                :description="moveForm.errors.ticket_status_id"
+                @retry="
+                    lastMove && submitMove(lastMove.ticketId, lastMove.statusId)
+                "
+            />
             <FeedbackState
                 v-if="columns.length === 0"
                 state="empty"
@@ -168,10 +320,18 @@ const allowedTargetStatuses = (ticket: TicketModel) =>
                 >
                     {{ t('board.scrollHint') }}
                 </p>
+                <p
+                    v-if="canEditTickets"
+                    id="board-drag-hint"
+                    class="text-caption text-muted-foreground"
+                >
+                    {{ t('board.dragHint') }}
+                </p>
                 <section
                     :aria-label="t('board.columns')"
                     aria-describedby="board-scroll-hint"
                     tabindex="0"
+                    data-board-drag-scroll
                     class="gap-column focus-visible:ring-ring/35 flex min-w-0 rounded-md pb-2 focus-visible:outline-none focus-visible:ring-2 md:overflow-x-auto md:overscroll-x-contain"
                 >
                     <section
@@ -179,9 +339,11 @@ const allowedTargetStatuses = (ticket: TicketModel) =>
                         :id="`board-column-${column.id}`"
                         :key="`${project.id}-${column.id}`"
                         :aria-labelledby="`board-column-title-${column.id}`"
+                        :data-board-drop-column="column.id"
                         :class="[
                             'bg-muted/40 gap-column w-full min-w-0 shrink-0 flex-col self-stretch rounded-md border p-3 md:flex md:w-80',
                             selectedColumnId === column.id ? 'flex' : 'hidden',
+                            dropClasses(column.id),
                         ]"
                     >
                         <header
@@ -250,6 +412,10 @@ const allowedTargetStatuses = (ticket: TicketModel) =>
                                     v-for="ticket in group.tickets"
                                     :key="ticket.id"
                                     class="min-w-0"
+                                    :class="{
+                                        'opacity-50':
+                                            draggedTicket?.id === ticket.id,
+                                    }"
                                 >
                                     <TicketCard
                                         :project-id="project.id"
@@ -260,6 +426,36 @@ const allowedTargetStatuses = (ticket: TicketModel) =>
                                             v-if="canEditTickets"
                                             #actions
                                         >
+                                            <Button
+                                                type="button"
+                                                variant="ghost"
+                                                class="mb-2 w-full cursor-grab touch-none select-none active:cursor-grabbing"
+                                                :disabled="
+                                                    busy ||
+                                                    allowedTargetStatuses(
+                                                        ticket,
+                                                    ).length === 0
+                                                "
+                                                :aria-label="
+                                                    t('board.dragTicket', {
+                                                        key: ticket.ticket_key,
+                                                    })
+                                                "
+                                                aria-describedby="board-drag-hint"
+                                                @pointerdown="
+                                                    startDrag($event, ticket)
+                                                "
+                                                @click.prevent
+                                                @keydown.enter.prevent="
+                                                    focusStatus(ticket.id)
+                                                "
+                                                @keydown.space.prevent="
+                                                    focusStatus(ticket.id)
+                                                "
+                                                ><GripVertical
+                                                    aria-hidden="true"
+                                                />{{ t('board.drag') }}</Button
+                                            >
                                             <Form
                                                 v-bind="
                                                     move.form({
@@ -272,6 +468,12 @@ const allowedTargetStatuses = (ticket: TicketModel) =>
                                                 :options="{
                                                     preserveScroll: true,
                                                 }"
+                                                :on-before="
+                                                    () =>
+                                                        !busy && !draggedTicket
+                                                "
+                                                @start="menuPending = ticket.id"
+                                                @finish="menuPending = null"
                                                 class="grid min-w-0 gap-2"
                                             >
                                                 <input
@@ -292,6 +494,7 @@ const allowedTargetStatuses = (ticket: TicketModel) =>
                                                     :id="`ticket-status-${ticket.id}`"
                                                     name="ticket_status_id"
                                                     :disabled="
+                                                        busy ||
                                                         processing ||
                                                         allowedTargetStatuses(
                                                             ticket,
@@ -345,6 +548,7 @@ const allowedTargetStatuses = (ticket: TicketModel) =>
                                                     type="submit"
                                                     variant="outline"
                                                     :disabled="
+                                                        busy ||
                                                         processing ||
                                                         allowedTargetStatuses(
                                                             ticket,
@@ -381,6 +585,94 @@ const allowedTargetStatuses = (ticket: TicketModel) =>
                     </section>
                 </section>
             </template>
+            <div
+                v-if="draggedTicket"
+                class="bg-card fixed inset-x-0 bottom-0 z-40 border-t p-3 shadow-lg md:hidden"
+                data-board-mobile-targets
+            >
+                <p class="text-caption mb-2 font-semibold">
+                    {{ t('board.dropHint') }}
+                </p>
+                <div class="flex gap-2 overflow-x-auto" data-board-drag-scroll>
+                    <div
+                        v-for="column in columns"
+                        :key="column.id"
+                        :data-board-drop-column="column.id"
+                        :class="dropClasses(column.id)"
+                        class="text-body flex min-h-20 w-36 shrink-0 items-center rounded-md border p-3"
+                    >
+                        {{ column.name }}
+                    </div>
+                </div>
+            </div>
+            <div
+                v-if="draggedTicket"
+                aria-hidden="true"
+                class="bg-primary text-primary-foreground pointer-events-none fixed z-50 max-w-48 rounded-md px-3 py-2 shadow-lg"
+                :style="{
+                    left: `${Math.max(0, dragX - 80)}px`,
+                    top: `${Math.max(0, dragY - 56)}px`,
+                }"
+            >
+                {{ draggedTicket.ticket_key }}
+            </div>
+            <p class="sr-only" aria-live="polite">
+                {{
+                    draggedTicket
+                        ? t('board.dragging', { key: draggedTicket.ticket_key })
+                        : ''
+                }}
+            </p>
+            <Dialog v-model:open="choiceOpen">
+                <DialogContent>
+                    <DialogHeader>
+                        <DialogTitle>{{ t('board.chooseStatus') }}</DialogTitle>
+                        <DialogDescription>{{
+                            t('board.chooseStatusDescription', {
+                                key: choiceTicket?.ticket_key ?? '',
+                            })
+                        }}</DialogDescription>
+                    </DialogHeader>
+                    <form class="grid gap-4" @submit.prevent="confirmMove">
+                        <label
+                            for="board-drop-status"
+                            class="text-body font-semibold"
+                            >{{ t('board.targetStatus') }}</label
+                        >
+                        <select
+                            id="board-drop-status"
+                            v-model="moveForm.ticket_status_id"
+                            class="border-input bg-card text-body min-h-control focus-visible:ring-ring/35 w-full rounded-md border px-3 py-2 focus-visible:outline-none focus-visible:ring-2"
+                        >
+                            <option
+                                v-for="target in choiceTargets"
+                                :key="target.id"
+                                :value="target.id"
+                            >
+                                {{
+                                    ticketStatusLabel(
+                                        target,
+                                        t('tickets.noStatus'),
+                                    )
+                                }}
+                            </option>
+                        </select>
+                        <DialogFooter>
+                            <Button
+                                type="button"
+                                variant="outline"
+                                @click="choiceOpen = false"
+                                >{{ t('common.cancel') }}</Button
+                            >
+                            <Button
+                                type="submit"
+                                :disabled="busy || choiceTargets.length === 0"
+                                >{{ t('board.updateStatus') }}</Button
+                            >
+                        </DialogFooter>
+                    </form>
+                </DialogContent>
+            </Dialog>
         </div>
     </AppLayout>
 </template>

resources/js/pages/projects/Ticket.vue

@@ -10,9 +10,6 @@ import {
 import { CheckCircle2, GitBranchPlus, XCircle } from 'lucide-vue-next';
 import { computed, ref, toRef, unref, watch } from 'vue';
 import {
-    acceptanceCriteriaToEditorState,
-    buildAcceptanceCriteria,
-    formatChecklistLines,
     normalizeAcceptanceCriteria,
     syncAcceptanceCriteriaDescendantCheckedState,
 } from '@/lib/acceptance-criteria';
@@ -20,6 +17,7 @@ import ProjectTicketBranchController from '@/actions/App/Http/Controllers/Projec
 import ProjectTicketLinkController from '@/actions/App/Http/Controllers/ProjectTicketLinkController';
 import ProjectTicketController from '@/actions/App/Http/Controllers/ProjectTicketController';
 import Heading from '@/components/Heading.vue';
+import AcceptanceCriteriaChecklist from '@/components/tickets/AcceptanceCriteriaChecklist.vue';
 import InputError from '@/components/InputError.vue';
 import FormFeedback from '@/components/FormFeedback.vue';
 import FeedbackState from '@/components/FeedbackState.vue';
@@ -131,18 +129,12 @@ const breadcrumbs: BreadcrumbItem[] = [
     },
 ];
 
-const acceptanceCriteriaEditorState = acceptanceCriteriaToEditorState(
-    props.ticket.acceptance_criteria,
-);
 const draftKey = `projects:${props.project.id}:tickets:${props.ticket.id}:edit`;
 const acceptanceCriteriaDraft = useRemember(
-    { checklist: acceptanceCriteriaEditorState.checklist },
-    `${draftKey}:checklist`,
-);
-const acceptanceCriteriaChecklist = toRef(
-    unref(acceptanceCriteriaDraft),
-    'checklist',
+    { items: normalizeAcceptanceCriteria(props.ticket.acceptance_criteria) },
+    `${draftKey}:criteria`,
 );
+const acceptanceCriteriaItems = toRef(unref(acceptanceCriteriaDraft), 'items');
 const savedAcceptanceCriteria = ref(
     normalizeAcceptanceCriteria(props.ticket.acceptance_criteria),
 );
@@ -150,8 +142,8 @@ const isPersistingAcceptanceCriteriaToggle = ref(false);
 const acceptanceCriteriaToggleError = ref('');
 
 const form = useForm(draftKey, {
-    acceptance_criteria: buildAcceptanceCriteria(
-        acceptanceCriteriaChecklist.value,
+    acceptance_criteria: normalizeAcceptanceCriteria(
+        props.ticket.acceptance_criteria,
     ),
     assignee_user_id: props.ticket.assignee_user_id ?? '',
     author_user_id: props.ticket.author_user_id ?? '',
@@ -178,14 +170,10 @@ const form = useForm(draftKey, {
     story_points: props.ticket.story_points,
 });
 
-const acceptanceCriteriaPreviewItems = computed(
-    () => savedAcceptanceCriteria.value,
-);
-
 const hasUnsavedAcceptanceCriteriaDraft = computed(
     () =>
-        acceptanceCriteriaChecklist.value !==
-        formatChecklistLines(savedAcceptanceCriteria.value),
+        JSON.stringify(acceptanceCriteriaItems.value) !==
+        JSON.stringify(savedAcceptanceCriteria.value),
 );
 
 const protection = useFormProtection(form, {
@@ -399,19 +387,6 @@ const submitBranchCreation = (): void => {
     );
 };
 
-const buildAcceptanceCriteriaForSubmit = () => {
-    const draftItems = buildAcceptanceCriteria(
-        acceptanceCriteriaChecklist.value,
-    );
-
-    return draftItems.map((item, index) => ({
-        ...item,
-        ...(savedAcceptanceCriteria.value[index]?.id !== undefined
-            ? { id: savedAcceptanceCriteria.value[index].id }
-            : {}),
-    }));
-};
-
 const buildSavedTicketPayload = (
     acceptanceCriteria = savedAcceptanceCriteria.value,
 ) => ({
@@ -439,6 +414,7 @@ const persistAcceptanceCriteriaToggle = async (
 ): Promise<void> => {
     if (
         !props.canEditTicket ||
+        form.processing ||
         isPersistingAcceptanceCriteriaToggle.value ||
         hasUnsavedAcceptanceCriteriaDraft.value
     ) {
@@ -450,10 +426,6 @@ const persistAcceptanceCriteriaToggle = async (
         index,
         checked,
     );
-    const previousChecklist = formatChecklistLines(
-        savedAcceptanceCriteria.value,
-    );
-    const nextChecklist = formatChecklistLines(nextAcceptanceCriteria);
     const csrfToken = document
         .querySelector('meta[name="csrf-token"]')
         ?.getAttribute('content');
@@ -488,36 +460,22 @@ const persistAcceptanceCriteriaToggle = async (
 
         savedAcceptanceCriteria.value = nextAcceptanceCriteria;
 
-        if (acceptanceCriteriaChecklist.value === previousChecklist) {
-            acceptanceCriteriaChecklist.value = nextChecklist;
-        }
+        acceptanceCriteriaItems.value = normalizeAcceptanceCriteria(
+            nextAcceptanceCriteria,
+        );
     } catch (_error) {
-        acceptanceCriteriaToggleError.value =
-            'Checklist status could not be saved right now.';
+        acceptanceCriteriaToggleError.value = t('criteria.saveError');
     } finally {
         isPersistingAcceptanceCriteriaToggle.value = false;
     }
 };
 
-const onAcceptanceCriteriaCheckboxChange = (
-    index: number,
-    event: Event,
-): void => {
-    const target = event.target;
-
-    if (!(target instanceof HTMLInputElement)) {
-        return;
-    }
-
-    void persistAcceptanceCriteriaToggle(index, target.checked);
-};
-
 const submit = (): void => {
-    if (!props.canEditTicket) {
+    if (!props.canEditTicket || isPersistingAcceptanceCriteriaToggle.value) {
         return;
     }
 
-    form.acceptance_criteria = buildAcceptanceCriteriaForSubmit();
+    form.acceptance_criteria = acceptanceCriteriaItems.value;
 
     protection.submit(
         ProjectTicketController.update({
@@ -530,7 +488,7 @@ const submit = (): void => {
                 savedAcceptanceCriteria.value = normalizeAcceptanceCriteria(
                     props.ticket.acceptance_criteria,
                 );
-                acceptanceCriteriaChecklist.value = formatChecklistLines(
+                acceptanceCriteriaItems.value = normalizeAcceptanceCriteria(
                     savedAcceptanceCriteria.value,
                 );
             },
@@ -807,92 +765,21 @@ const formatDateTime = (value: string): string => {
                                 />
                             </div>
 
-                            <div class="grid gap-4">
-                                <div class="grid gap-2">
-                                    <Label for="acceptance_criteria_checklist">
-                                        Acceptance criteria checklist
-                                    </Label>
-                                    <textarea
-                                        id="acceptance_criteria_checklist"
-                                        v-model="acceptanceCriteriaChecklist"
-                                        rows="5"
-                                        :disabled="
-                                            !canEditTicket || form.processing
-                                        "
-                                        class="border-input bg-background shadow-xs focus-visible:border-ring focus-visible:ring-ring/50 rounded-md border px-3 py-2 text-sm outline-none transition-[color,box-shadow] focus-visible:ring-[3px] disabled:cursor-not-allowed disabled:opacity-60"
-                                        placeholder="[ ] User can sign in&#10;  [x] Validation is shown for invalid credentials"
-                                    />
-                                    <p class="text-muted-foreground text-xs">
-                                        Use <code>[ ]</code> /
-                                        <code>[x]</code> for checklist items.
-                                        Indent with two spaces for nested steps.
-                                        Text changes are saved with the main
-                                        ticket update.
-                                    </p>
-                                    <p
-                                        v-if="hasUnsavedAcceptanceCriteriaDraft"
-                                        class="text-muted-foreground text-xs"
-                                    >
-                                        Save checklist text changes before
-                                        toggling completion directly.
-                                    </p>
-                                    <InputError
-                                        :message="acceptanceCriteriaError"
-                                    />
-                                    <InputError
-                                        :message="acceptanceCriteriaToggleError"
-                                    />
-                                </div>
-
-                                <div
-                                    v-if="
-                                        acceptanceCriteriaPreviewItems.length >
-                                        0
-                                    "
-                                    class="border-border rounded-xl border p-4 text-sm"
-                                >
-                                    <p class="mb-3 font-medium">
-                                        Saved checklist
-                                    </p>
-                                    <ul class="space-y-2">
-                                        <li
-                                            v-for="(
-                                                item, index
-                                            ) in acceptanceCriteriaPreviewItems"
-                                            :key="item.id ?? index"
-                                            :style="{
-                                                marginLeft: `${item.indent * 1.25}rem`,
-                                            }"
-                                            class="flex items-start gap-2"
-                                        >
-                                            <input
-                                                :id="`acceptance-criteria-${item.id ?? index}`"
-                                                :checked="item.checked"
-                                                type="checkbox"
-                                                :disabled="
-                                                    !canEditTicket ||
-                                                    form.processing ||
-                                                    isPersistingAcceptanceCriteriaToggle ||
-                                                    hasUnsavedAcceptanceCriteriaDraft
-                                                "
-                                                class="border-input text-primary focus:ring-ring mt-0.5 size-4 rounded"
-                                                @change="
-                                                    onAcceptanceCriteriaCheckboxChange(
-                                                        index,
-                                                        $event,
-                                                    )
-                                                "
-                                            />
-                                            <label
-                                                :for="`acceptance-criteria-${item.id ?? index}`"
-                                                class="flex-1"
-                                            >
-                                                {{ item.text }}
-                                            </label>
-                                        </li>
-                                    </ul>
-                                </div>
-                            </div>
+                            <AcceptanceCriteriaChecklist
+                                v-model="acceptanceCriteriaItems"
+                                :readonly="!canEditTicket"
+                                :disabled="
+                                    form.processing ||
+                                    isPersistingAcceptanceCriteriaToggle
+                                "
+                                persist-toggles
+                                :dirty="hasUnsavedAcceptanceCriteriaDraft"
+                                :error="
+                                    acceptanceCriteriaError ||
+                                    acceptanceCriteriaToggleError
+                                "
+                                @toggle="persistAcceptanceCriteriaToggle"
+                            />
 
                             <div
                                 class="border-border grid gap-3 rounded-xl border p-4"
@@ -1026,7 +913,10 @@ const formatDateTime = (value: string): string => {
                             >
                                 <Button
                                     type="submit"
-                                    :disabled="form.processing"
+                                    :disabled="
+                                        form.processing ||
+                                        isPersistingAcceptanceCriteriaToggle
+                                    "
                                 >
                                     Save changes
                                 </Button>

resources/js/pages/projects/TicketCreate.vue

@@ -1,6 +1,6 @@
 <script setup lang="ts">
-import { Head, Link, useForm, useRemember } from '@inertiajs/vue3';
-import { computed, toRef, unref } from 'vue';
+import { Head, Link, useForm } from '@inertiajs/vue3';
+import { computed } from 'vue';
 import ProjectTicketController from '@/actions/App/Http/Controllers/ProjectTicketController';
 import Heading from '@/components/Heading.vue';
 import InputError from '@/components/InputError.vue';
@@ -18,10 +18,8 @@ import {
 import { Input } from '@/components/ui/input';
 import { Label } from '@/components/ui/label';
 import AppLayout from '@/layouts/AppLayout.vue';
-import {
-    buildAcceptanceCriteria,
-    parseChecklistLines,
-} from '@/lib/acceptance-criteria';
+import AcceptanceCriteriaChecklist from '@/components/tickets/AcceptanceCriteriaChecklist.vue';
+import type { AcceptanceCriteriaModel } from '@/types/models/acceptance-criteria-model';
 import { index as backlogIndex } from '@/routes/projects/backlog';
 import { index as boardIndex } from '@/routes/projects/board';
 import { index, show } from '@/routes/projects/index';
@@ -65,19 +63,8 @@ const hasTicketMetadata =
     props.ticketStatusOptions.length > 0;
 
 const draftKey = `projects:${props.project.id}:tickets:create`;
-const acceptanceCriteriaDraft = useRemember(
-    { checklist: '' },
-    `${draftKey}:checklist`,
-);
-const acceptanceCriteriaChecklist = toRef(
-    unref(acceptanceCriteriaDraft),
-    'checklist',
-);
-
 const form = useForm(draftKey, {
-    acceptance_criteria: buildAcceptanceCriteria(
-        acceptanceCriteriaChecklist.value,
-    ),
+    acceptance_criteria: [] as AcceptanceCriteriaModel,
     assignee_user_id: '',
     description: '',
     parent_ticket_id: '',
@@ -90,13 +77,7 @@ const form = useForm(draftKey, {
     title: '',
 });
 
-const protection = useFormProtection(form, {
-    isDirty: () => form.isDirty || acceptanceCriteriaChecklist.value !== '',
-});
-
-const acceptanceCriteriaPreviewItems = computed(() =>
-    parseChecklistLines(acceptanceCriteriaChecklist.value),
-);
+const protection = useFormProtection(form);
 
 const acceptanceCriteriaError = computed(() => {
     return (
@@ -109,10 +90,6 @@ const acceptanceCriteriaError = computed(() => {
 });
 
 const submit = (): void => {
-    form.acceptance_criteria = buildAcceptanceCriteria(
-        acceptanceCriteriaChecklist.value,
-    );
-
     protection.submit(
         ProjectTicketController.store({ project: props.project.id }),
         {
@@ -223,65 +200,11 @@ const ticketStatusLabel = (ticketStatus: TicketStatusModel): string => {
                                     />
                                 </div>
 
-                                <div class="grid gap-4">
-                                    <div class="grid gap-2">
-                                        <Label
-                                            for="acceptance_criteria_checklist"
-                                        >
-                                            Acceptance criteria checklist
-                                        </Label>
-                                        <textarea
-                                            id="acceptance_criteria_checklist"
-                                            v-model="
-                                                acceptanceCriteriaChecklist
-                                            "
-                                            rows="6"
-                                            :disabled="form.processing"
-                                            class="border-input bg-background shadow-xs focus-visible:border-ring focus-visible:ring-ring/50 rounded-md border px-3 py-2 text-sm outline-none transition-[color,box-shadow] focus-visible:ring-[3px] disabled:cursor-not-allowed disabled:opacity-60"
-                                            placeholder="[ ] User can sign in&#10;  [x] Validation is shown for invalid credentials"
-                                        />
-                                        <p
-                                            class="text-muted-foreground text-xs"
-                                        >
-                                            Use <code>[ ]</code> /
-                                            <code>[x]</code> for checklist
-                                            items. Indent with two spaces for
-                                            nested steps.
-                                        </p>
-                                        <InputError
-                                            :message="acceptanceCriteriaError"
-                                        />
-                                    </div>
-
-                                    <div
-                                        v-if="
-                                            acceptanceCriteriaPreviewItems.length >
-                                            0
-                                        "
-                                        class="border-border rounded-xl border p-4 text-sm"
-                                    >
-                                        <p class="mb-3 font-medium">
-                                            Checklist preview
-                                        </p>
-                                        <ul class="space-y-2">
-                                            <li
-                                                v-for="(
-                                                    item, index
-                                                ) in acceptanceCriteriaPreviewItems"
-                                                :key="index"
-                                                :style="{
-                                                    marginLeft: `${item.indent * 1.25}rem`,
-                                                }"
-                                                class="flex items-start gap-2"
-                                            >
-                                                <span class="mt-0.5">{{
-                                                    item.checked ? '☑' : '☐'
-                                                }}</span>
-                                                <span>{{ item.text }}</span>
-                                            </li>
-                                        </ul>
-                                    </div>
-                                </div>
+                                <AcceptanceCriteriaChecklist
+                                    v-model="form.acceptance_criteria"
+                                    :disabled="form.processing"
+                                    :error="acceptanceCriteriaError"
+                                />
                             </div>
 
                             <div class="grid h-fit gap-6">

tests/Feature/AcceptanceCriteriaChecklistTest.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Tests\Feature;
+
+use Symfony\Component\Process\Process;
+use Tests\TestCase;
+
+class AcceptanceCriteriaChecklistTest extends TestCase
+{
+    public function test_checklist_preserves_hierarchy_identity_and_accessible_controls(): void
+    {
+        $process = new Process(['node', 'tests/Fixtures/acceptance-criteria.mjs'], base_path());
+        $process->setTimeout(60);
+        $process->run();
+
+        $this->assertTrue($process->isSuccessful(), $process->getOutput().$process->getErrorOutput());
+        $this->assertStringContainsString('Acceptance criteria behavior checks passed.', $process->getOutput());
+    }
+}

tests/Feature/Projects/ProjectBoardControllerTest.php

@@ -212,6 +212,19 @@ class ProjectBoardControllerTest extends TestCase
             'entry_type' => 'status_changed',
             'summary' => 'Moved from Todo to Done.',
         ]);
+
+        $this->assertSame(1, $ticket->worklogEntries()->count());
+
+        $this->actingAs($user)
+            ->patch(route('projects.tickets.status.update', [$project, $ticket]), [
+                'redirect_to' => 'board',
+                'ticket_status_id' => $doneStatus->id,
+            ])
+            ->assertRedirect(route('projects.board.index', $project))
+            ->assertSessionHasNoErrors();
+
+        $this->assertSame($doneStatus->id, $ticket->fresh()->ticket_status_id);
+        $this->assertSame(1, $ticket->worklogEntries()->count());
     }
 
     /**

tests/Fixtures/acceptance-criteria-browser.mjs

@@ -0,0 +1,174 @@
+import assert from 'node:assert/strict';
+import process from 'node:process';
+const { chromium } = await import(
+    process.env.PLAYWRIGHT_MODULE ?? 'playwright'
+);
+const browser = await chromium.launch({ channel: 'chrome', headless: true });
+const base = 'http://127.0.0.1:4176';
+const context = await browser.newContext({
+    viewport: { width: 1280, height: 900 },
+    hasTouch: true,
+});
+const page = await context.newPage();
+page.setDefaultTimeout(10000);
+page.on('dialog', (dialog) => dialog.accept());
+const errors = [];
+page.on('pageerror', (error) => errors.push(error.message));
+const checklist = () =>
+    page.getByRole('region', { name: 'Acceptance criteria' });
+const field = (number) =>
+    page.getByRole('textbox', { name: `Criterion ${number}`, exact: true });
+const button = (name) => page.getByRole('button', { name, exact: true });
+const setResult = (value) =>
+    context.addCookies([{ name: 'feedback_test_result', value, url: base }]);
+const waitState = (value) =>
+    page.locator(`[data-form-state="${value}"]`).first().waitFor();
+const save = async () => {
+    await button('Save changes').click();
+    await waitState('success');
+};
+try {
+    await page.goto(`${base}/projects/7/tickets/31`);
+    await checklist().waitFor();
+    const boxes = checklist().getByRole('checkbox');
+    await setResult('server');
+    await boxes.first().focus();
+    await page.keyboard.press('Space');
+    await page
+        .getByText('Checklist status could not be saved. Please try again.')
+        .waitFor();
+    assert.equal(
+        await boxes.first().isChecked(),
+        false,
+        'Failure must restore saved checkbox',
+    );
+    await setResult('success');
+    let payload;
+    page.on('request', (request) => {
+        if (request.method() === 'PATCH') {
+            payload = request.postDataJSON();
+        }
+    });
+    await boxes.first().tap();
+    await page.waitForFunction(
+        () =>
+            document.querySelectorAll('section[aria-busy="true"]').length === 0,
+    );
+    await page.getByText('3 of 4 complete').waitFor();
+    assert.deepEqual(
+        payload.acceptance_criteria.map((item) => item.checked),
+        [true, true, true, false],
+    );
+    assert.deepEqual(
+        payload.acceptance_criteria.map((item) => item.id),
+        [11, 12, 13, 14],
+    );
+    await button('Edit checklist').click();
+    await field(2).fill('Edited child');
+    await field(2).press('Alt+ArrowLeft');
+    assert.deepEqual(
+        await checklist()
+            .locator('li')
+            .evaluateAll((items) =>
+                items.map((item) => Number(item.dataset.indent)),
+            ),
+        [0, 0, 1, 0],
+    );
+    await button('Indent criterion 2').tap();
+    await button('Remove criterion 1').tap();
+    assert.equal(await field(1).inputValue(), 'Edited child');
+    assert.equal(
+        await field(1).evaluate((el) => el === document.activeElement),
+        true,
+    );
+    await button('Add criterion').focus();
+    await page.keyboard.press('Enter');
+    assert.equal(
+        await field(4).evaluate((el) => el === document.activeElement),
+        true,
+    );
+    await field(4).fill('New criterion');
+    await button('Indent criterion 4').click();
+    await setResult('validation');
+    await button('Save changes').click();
+    await waitState('validation');
+    assert.equal(await field(1).inputValue(), 'Edited child');
+    await setResult('success');
+    await save();
+    assert.deepEqual(
+        payload.acceptance_criteria.map((item) => item.id),
+        [12, 13, 14, undefined],
+    );
+    assert.deepEqual(
+        payload.acceptance_criteria.map((item) => item.indent),
+        [0, 1, 0, 1],
+    );
+    await page.reload();
+    await button('Edit checklist').click();
+    assert.equal(await field(1).inputValue(), 'Edited child');
+    assert.equal(await field(4).inputValue(), 'New criterion');
+    // Blank/whitespace text cannot silently delete a persisted criterion.
+    await field(1).fill('   ');
+    assert.equal(await field(1).evaluate((el) => el.checkValidity()), false);
+    assert.equal(await button('Preview checklist').isDisabled(), true);
+    await field(1).fill('Edited child');
+    for (const width of [1280, 390, 320]) {
+        await page.setViewportSize({ width, height: 900 });
+        for (const theme of ['light', 'dark']) {
+            await page.emulateMedia({ colorScheme: theme });
+            await page.evaluate(
+                (theme) =>
+                    document.documentElement.classList.toggle(
+                        'dark',
+                        theme === 'dark',
+                    ),
+                theme,
+            );
+            assert.equal(
+                await checklist().evaluate(
+                    (el) => el.scrollWidth <= el.clientWidth,
+                ),
+                true,
+            );
+            await checklist().screenshot({
+                path: `/private/tmp/kan32-checklist-${width}-${theme}.png`,
+            });
+            await button('Outdent criterion 4').tap();
+            await button('Indent criterion 4').tap();
+        }
+    }
+    await page.goto(`${base}/projects/7/tickets/31?readonly=1`);
+    await checklist().waitFor();
+    assert.equal(await checklist().getByRole('textbox').count(), 0);
+    assert.equal(await checklist().getByRole('button').count(), 0);
+    assert.equal(
+        await checklist().getByRole('checkbox').first().isDisabled(),
+        true,
+    );
+    await page.goto(`${base}/projects/7/tickets/create`);
+    await page.locator('#title').fill('Created with criteria');
+    for (const text of ['First', 'Second']) {
+        await button('Add criterion').click();
+        await page.locator('textarea').last().fill(text);
+    }
+    await button('Indent criterion 2').tap();
+    await checklist().getByRole('checkbox').first().focus();
+    await page.keyboard.press('Space');
+    const request = page.waitForRequest(
+        (request) =>
+            request.method() === 'POST' && request.url().endsWith('/tickets'),
+    );
+    await button('Create ticket').click();
+    const created = (await request).postDataJSON();
+    assert.deepEqual(created.acceptance_criteria, [
+        { text: 'First', checked: true, indent: 0 },
+        { text: 'Second', checked: true, indent: 1 },
+    ]);
+    await page.getByRole('heading', { name: 'Destination' }).waitFor();
+    assert.deepEqual(errors, []);
+    console.log(
+        'Acceptance criteria browser checks passed: persistence, errors, keyboard, touch, readonly, creation, mobile and themes.',
+    );
+} finally {
+    await browser.close();
+}

tests/Fixtures/acceptance-criteria.mjs

@@ -0,0 +1,102 @@
+import assert from 'node:assert/strict';
+import { fileURLToPath } from 'node:url';
+import vue from '@vitejs/plugin-vue';
+import { createServer } from 'vite';
+import { createSSRApp, h } from 'vue';
+import { renderToString } from 'vue/server-renderer';
+
+const server = await createServer({
+    configFile: false,
+    plugins: [vue()],
+    resolve: {
+        alias: {
+            '@': fileURLToPath(new URL('../../resources/js', import.meta.url)),
+        },
+    },
+    server: { middlewareMode: true, hmr: false, watch: null },
+});
+try {
+    const {
+        canIndentAcceptanceCriterion: canIndent,
+        indentAcceptanceCriterion: indent,
+        removeAcceptanceCriterion: remove,
+        syncAcceptanceCriteriaDescendantCheckedState: toggle,
+        normalizeAcceptanceCriteria: normalize,
+    } = await server.ssrLoadModule('/resources/js/lib/acceptance-criteria.ts');
+    const items = [
+        { id: 11, text: 'Parent', indent: 0, checked: false },
+        { id: 12, text: 'Child', indent: 1, checked: true },
+        { id: 13, text: 'Grandchild', indent: 2, checked: false },
+        { id: 14, text: 'Next', indent: 0, checked: false },
+    ];
+    const original = structuredClone(items);
+    assert.equal(canIndent(items, 0), false);
+    assert.equal(canIndent(items, 1), false);
+    assert.equal(canIndent(items, 3), true);
+    assert.deepEqual(
+        indent(items, 1, -1).map((item) => item.indent),
+        [0, 0, 1, 0],
+    );
+    assert.deepEqual(indent(indent(items, 1, -1), 1, 1), items);
+    assert.deepEqual(indent(items, 0, -1), items);
+    assert.deepEqual(indent(items, -1, 1), items);
+    assert.deepEqual(remove(items, 0), [
+        { ...items[1], indent: 0 },
+        { ...items[2], indent: 1 },
+        items[3],
+    ]);
+    assert.deepEqual(remove(items, 1), [
+        items[0],
+        { ...items[2], indent: 1 },
+        items[3],
+    ]);
+    assert.deepEqual(remove(items, 99), items);
+    assert.deepEqual(
+        toggle(items, 0, true).map((item) => item.checked),
+        [true, true, true, false],
+    );
+    assert.deepEqual(
+        toggle(items, 1, false).map((item) => item.checked),
+        [false, false, false, false],
+    );
+    const deep = Array.from({ length: 9 }, (_, indent) => ({
+        text: 'Deep',
+        checked: false,
+        indent,
+    }));
+    assert.equal(
+        canIndent([{ text: 'Before', indent: 0, checked: false }, ...deep], 1),
+        false,
+    );
+    assert.deepEqual(
+        normalize(remove(items, 0)).map((item) => item.id),
+        [12, 13, 14],
+    );
+    assert.deepEqual(items, original, 'Editing must not mutate saved criteria');
+    const { default: Checklist } = await server.ssrLoadModule(
+        '/resources/js/components/tickets/AcceptanceCriteriaChecklist.vue',
+    );
+    const { createLocalization } = await server.ssrLoadModule(
+        '/resources/js/lib/localization.ts',
+    );
+    const render = (props) =>
+        renderToString(
+            createSSRApp({ render: () => h(Checklist, props) }).use(
+                createLocalization(),
+            ),
+        );
+    const editable = await render({ modelValue: items });
+    assert.equal((editable.match(/<textarea/g) ?? []).length, 4);
+    assert.match(editable, /Indent criterion 4/);
+    assert.match(editable, /1 of 4 complete/);
+    const readonly = await render({ modelValue: items, readonly: true });
+    assert.doesNotMatch(readonly, /<textarea|Add criterion|Edit checklist/);
+    assert.equal((readonly.match(/type="checkbox" disabled/g) ?? []).length, 4);
+    assert.match(
+        await render({ modelValue: [], error: 'Server validation' }),
+        /Server validation/,
+    );
+    console.log('Acceptance criteria behavior checks passed.');
+} finally {
+    await server.close();
+}

tests/Fixtures/board-drag-browser.mjs

@@ -0,0 +1,288 @@
+import assert from 'node:assert/strict';
+import process from 'node:process';
+
+const playwright = await import(process.env.PLAYWRIGHT_MODULE ?? 'playwright');
+const { chromium } = playwright.default ?? playwright;
+const browser = await chromium.launch({ channel: 'chrome', headless: true });
+const page = await browser.newPage({
+    viewport: { width: 1440, height: 1200 },
+    hasTouch: true,
+});
+page.setDefaultTimeout(10000);
+const failures = [];
+const requests = [];
+page.on('pageerror', (error) => failures.push(error.message));
+page.on('request', (request) => {
+    if (['POST', 'PATCH'].includes(request.method())) {
+        requests.push(request);
+    }
+});
+const base = 'http://127.0.0.1:4181/projects/7/board';
+const handle = () =>
+    page.getByRole('button', {
+        name: 'Drag ENG-42 to change status',
+        exact: true,
+    });
+const card = () => page.locator('article').filter({ hasText: 'ENG-42' });
+const visit = async (query = '') => {
+    await page.goto(base + query);
+    await page.getByRole('heading', { level: 1 }).waitFor();
+    requests.length = 0;
+};
+const center = async (locator) => {
+    const box = await locator.boundingBox();
+    assert.ok(box);
+    return { x: box.x + box.width / 2, y: box.y + box.height / 2 };
+};
+const begin = async () => {
+    await handle().scrollIntoViewIfNeeded();
+    const from = await center(handle());
+    await page.mouse.move(from.x, from.y);
+    await page.mouse.down();
+    await page.mouse.move(from.x + 12, from.y, { steps: 3 });
+};
+const moveToColumn = async (id) => {
+    const to = await center(page.locator(`#board-column-title-${id}`));
+    await page.mouse.move(to.x, to.y, { steps: 10 });
+};
+const dragToColumn = async (id) => {
+    await begin();
+    await moveToColumn(id);
+    await page.mouse.up();
+};
+const originalCard = async () => {
+    assert.equal(
+        await page
+            .locator('#board-column-1 article')
+            .filter({ hasText: 'ENG-42' })
+            .count(),
+        1,
+    );
+};
+try {
+    for (const theme of ['light', 'dark']) {
+        await page.emulateMedia({
+            colorScheme: theme,
+            reducedMotion: 'reduce',
+        });
+        await visit();
+        assert.equal(
+            await page
+                .getByRole('button', { name: 'Drag ENG-43 to change status' })
+                .isDisabled(),
+            true,
+        );
+        await begin();
+        assert.equal(
+            await page
+                .locator('#board-column-2')
+                .evaluate((el) => el.classList.contains('border-primary')),
+            true,
+        );
+        assert.equal(
+            await page
+                .locator('#board-column-3')
+                .evaluate((el) => el.classList.contains('opacity-40')),
+            true,
+        );
+        await moveToColumn(3);
+        await page.mouse.up();
+        await originalCard();
+        assert.equal(requests.length, 0);
+
+        await begin();
+        await moveToColumn(2);
+        await page.keyboard.press('Escape');
+        await page.mouse.up();
+        assert.equal(requests.length, 0);
+        await originalCard();
+
+        // Pointer capture cancellation must never become a drop.
+        await begin();
+        await handle().dispatchEvent('pointercancel', { pointerId: 1 });
+        await page.mouse.up();
+        assert.equal(requests.length, 0);
+
+        await visit('?multiple');
+        await dragToColumn(2);
+        const dialog = page.getByRole('dialog');
+        await dialog.waitFor();
+        assert.equal(requests.length, 0);
+        assert.deepEqual(
+            await dialog
+                .locator('option')
+                .evaluateAll((options) =>
+                    options.map((option) => option.value),
+                ),
+            ['20', '21'],
+        );
+        await page.keyboard.press('Escape');
+        await dialog.waitFor({ state: 'hidden' });
+        assert.equal(
+            await handle().evaluate((el) => el === document.activeElement),
+            true,
+        );
+        assert.equal(requests.length, 0);
+        await originalCard();
+        await dragToColumn(2);
+        const select = dialog.getByLabel('Destination status');
+        await select.focus();
+        await select.selectOption('21');
+        await page.keyboard.press('Tab');
+        await page.keyboard.press('Tab');
+        assert.equal(await page.locator(':focus').innerText(), 'Update status');
+        await page.keyboard.press('Enter');
+        await page
+            .getByText('ENG-42 moved successfully.', { exact: true })
+            .waitFor();
+        assert.equal(requests.length, 1);
+        assert.deepEqual(requests[0].postDataJSON(), {
+            ticket_status_id: 21,
+            redirect_to: 'board',
+        });
+        assert.equal(
+            await page
+                .locator('#board-column-2 article')
+                .filter({ hasText: 'ENG-42' })
+                .count(),
+            1,
+        );
+
+        await visit('?reject');
+        await dragToColumn(2);
+        await page
+            .getByText('This transition is no longer allowed.', { exact: true })
+            .waitFor();
+        await originalCard();
+        assert.equal(requests.length, 1);
+
+        await visit('?slow');
+        await dragToColumn(2);
+        await page.locator('[data-form-state="loading"]').waitFor();
+        assert.equal(await handle().isDisabled(), true);
+        assert.equal(
+            await page.getByLabel('Move ENG-42', { exact: true }).isDisabled(),
+            true,
+        );
+        // Attempt a competing form submit even though its controls are disabled.
+        await card()
+            .locator('form')
+            .evaluate((form) => form.requestSubmit());
+        await page
+            .getByText('ENG-42 moved successfully.', { exact: true })
+            .waitFor();
+        assert.equal(requests.length, 1);
+
+        await visit('?slow');
+        await card()
+            .getByRole('button', { name: 'Update status', exact: true })
+            .click();
+        assert.equal(await handle().isDisabled(), true);
+        await page
+            .getByText('ENG-42 moved successfully.', { exact: true })
+            .waitFor();
+        assert.equal(requests.length, 1);
+
+        await visit();
+        await page.route('**/tickets/42/status', (route) =>
+            route.abort('failed'),
+        );
+        await dragToColumn(2);
+        await page.locator('[data-form-state="network"]').waitFor();
+        await originalCard();
+        assert.equal(await handle().isEnabled(), true);
+        await page.unroute('**/tickets/42/status');
+        await page
+            .getByRole('button', { name: 'Try again', exact: true })
+            .click();
+        await page
+            .getByText('ENG-42 moved successfully.', { exact: true })
+            .waitFor();
+        assert.equal(requests.length, 2);
+
+        await visit();
+        await page.route('**/tickets/42/status', (route) =>
+            route.fulfill({ status: 500, body: 'Unavailable' }),
+        );
+        await dragToColumn(2);
+        await page.locator('[data-form-state="server"]').waitFor();
+        await originalCard();
+        await page.unroute('**/tickets/42/status');
+
+        // Normal touch gestures still scroll; only the explicit handle captures a drag.
+        await page.setViewportSize({ width: 390, height: 1000 });
+        await visit('?multiple');
+        await handle().scrollIntoViewIfNeeded();
+        assert.equal(
+            await handle().evaluate((el) => getComputedStyle(el).touchAction),
+            'none',
+        );
+        assert.notEqual(
+            await card().evaluate((el) => getComputedStyle(el).touchAction),
+            'none',
+        );
+        const cdp = await page.context().newCDPSession(page);
+        const from = await center(handle());
+        await cdp.send('Input.dispatchTouchEvent', {
+            type: 'touchStart',
+            touchPoints: [{ ...from, id: 1 }],
+        });
+        await cdp.send('Input.dispatchTouchEvent', {
+            type: 'touchMove',
+            touchPoints: [{ x: from.x + 16, y: from.y, id: 1 }],
+        });
+        const tray = page.locator('[data-board-mobile-targets]');
+        await tray.waitFor();
+        const to = await center(tray.locator('[data-board-drop-column="2"]'));
+        await cdp.send('Input.dispatchTouchEvent', {
+            type: 'touchMove',
+            touchPoints: [{ ...to, id: 1 }],
+        });
+        await page.screenshot({
+            path: `/private/tmp/kan28-mobile-drag-${theme}.png`,
+            fullPage: true,
+        });
+        assert.equal(
+            await page.evaluate(
+                () => document.documentElement.scrollWidth <= innerWidth,
+            ),
+            true,
+        );
+        await cdp.send('Input.dispatchTouchEvent', {
+            type: 'touchEnd',
+            touchPoints: [],
+        });
+        await page.getByRole('dialog').waitFor();
+        await page.getByLabel('Destination status').selectOption('20');
+        await page
+            .getByRole('dialog')
+            .getByRole('button', { name: 'Update status' })
+            .click();
+        await page
+            .getByText('ENG-42 moved successfully.', { exact: true })
+            .waitFor();
+        assert.equal(
+            await page.getByLabel('Choose a column').inputValue(),
+            '2',
+        );
+        assert.equal(requests.length, 1);
+        await cdp.detach();
+        await page.screenshot({
+            path: `/private/tmp/kan28-mobile-result-${theme}.png`,
+            fullPage: true,
+        });
+
+        await visit('?readonly');
+        assert.equal(
+            await page.getByRole('button', { name: /Drag ENG/ }).count(),
+            0,
+        );
+        await page.setViewportSize({ width: 1440, height: 1200 });
+    }
+    assert.deepEqual(failures, []);
+    console.log(
+        'Board drag checks passed: mouse, touch, workflow restrictions, selection, cancellation, focus, request guards and recovery in both themes.',
+    );
+} finally {
+    await browser.close();
+}

tests/Fixtures/board.mjs

@@ -114,6 +114,9 @@ function makePage(url) {
                 'InvestigateALongUnbrokenTicketTitleThatMustWrapEvenOnTheSmallestMobileScreenWithoutClipping',
             ),
         ];
+        if (params.has('multiple')) {
+            tickets[0].ticket_status.allowed_target_statuses.push(statuses[3]);
+        }
         for (const column of boardColumns) {
             column.tickets = tickets.filter(
                 (item) => item.ticket_status.board_column_id === column.id,
@@ -167,7 +170,7 @@ function makePage(url) {
 }
 if (serve) {
     server.middlewares.use(async (request, response) => {
-        if (request.method === 'POST') {
+        if (request.method === 'POST' || request.method === 'PATCH') {
             let body = '';
             for await (const chunk of request) {
                 body += chunk;
@@ -175,12 +178,21 @@ if (serve) {
             const data = JSON.parse(body);
             assert.equal(
                 request.url,
-                '/projects/7/tickets/42/status?_method=PATCH',
+                request.method === 'POST'
+                    ? '/projects/7/tickets/42/status?_method=PATCH'
+                    : '/projects/7/tickets/42/status',
             );
+            assert.deepEqual(Object.keys(data).sort(), [
+                'redirect_to',
+                'ticket_status_id',
+            ]);
             assert.equal(data.redirect_to, 'board');
-            assert.ok([11, 20, 99].includes(Number(data.ticket_status_id)));
+            assert.ok([11, 20, 21, 99].includes(Number(data.ticket_status_id)));
             const previous = new URL(request.headers.referer);
             const reject = previous.searchParams.has('reject');
+            if (previous.searchParams.has('slow')) {
+                await new Promise((resolve) => setTimeout(resolve, 500));
+            }
             response.writeHead(303, {
                 Location: `/projects/7/board?${reject ? 'reject&rejected' : `target=${data.ticket_status_id}`}`,
             });

tests/Fixtures/feedback-browser.mjs

@@ -320,15 +320,18 @@ try {
     await page.goto(`${base}/projects/7/tickets/create`);
     await page.locator('#title').fill('New ticket draft');
     await page.locator('#description').fill('Keep this description');
+    await page.getByRole('button', { name: 'Add criterion' }).click();
     await page
-        .locator('#acceptance_criteria_checklist')
-        .fill('[ ] Keep this checklist');
+        .getByRole('textbox', { name: 'Criterion 1', exact: true })
+        .fill('Keep this checklist');
     await setResult('validation');
     await page.locator('form button[type="submit"]').first().click();
     await state('validation');
     assert.equal(
-        await page.locator('#acceptance_criteria_checklist').inputValue(),
-        '[ ] Keep this checklist',
+        await page
+            .getByRole('textbox', { name: 'Criterion 1', exact: true })
+            .inputValue(),
+        'Keep this checklist',
     );
     await page.route('**/projects/7/tickets', (route) => route.abort('failed'));
     await page.locator('form button[type="submit"]').first().click();
@@ -349,8 +352,10 @@ try {
     await page.locator('#title').waitFor();
     assert.equal(await page.locator('#title').inputValue(), 'New ticket draft');
     assert.equal(
-        await page.locator('#acceptance_criteria_checklist').inputValue(),
-        '[ ] Keep this checklist',
+        await page
+            .getByRole('textbox', { name: 'Criterion 1', exact: true })
+            .inputValue(),
+        'Keep this checklist',
     );
     await setResult('success');
     await page.locator('form button[type="submit"]').first().click();
@@ -358,9 +363,11 @@ try {
 
     await page.goto(`${base}/projects/7/tickets/31`);
     await page.locator('#title').fill('Updated ticket draft');
+    await page.getByRole('button', { name: 'Edit checklist' }).click();
+    await page.getByRole('button', { name: 'Add criterion' }).click();
     await page
-        .locator('#acceptance_criteria_checklist')
-        .fill('[ ] Edited checklist');
+        .getByRole('textbox', { name: 'Criterion 1', exact: true })
+        .fill('Edited checklist');
     await setResult('server');
     await page.locator('form button[type="submit"]').first().click();
     await state('server');
@@ -369,8 +376,10 @@ try {
         'Updated ticket draft',
     );
     assert.equal(
-        await page.locator('#acceptance_criteria_checklist').inputValue(),
-        '[ ] Edited checklist',
+        await page
+            .getByRole('textbox', { name: 'Criterion 1', exact: true })
+            .inputValue(),
+        'Edited checklist',
     );
     await setResult('success');
     await page.getByRole('button', { name: 'Try again' }).click();

tests/Fixtures/feedback-server.mjs

@@ -1,4 +1,5 @@
 import { fileURLToPath } from 'node:url';
+import process from 'node:process';
 import vue from '@vitejs/plugin-vue';
 import tailwind from '@tailwindcss/vite';
 import { createServer } from 'vite';
@@ -36,7 +37,19 @@ let ticket = {
     ticket_status: status,
     is_blocked: false,
     story_points: 0,
-    acceptance_criteria: [],
+    acceptance_criteria: process.env.CRITERIA_FIXTURE
+        ? [
+              { id: 11, text: 'Parent criterion', indent: 0, checked: false },
+              { id: 12, text: 'Nested criterion', indent: 1, checked: true },
+              { id: 13, text: 'Deep criterion', indent: 2, checked: false },
+              {
+                  id: 14,
+                  text: 'Independent criterion',
+                  indent: 0,
+                  checked: false,
+              },
+          ]
+        : [],
     field_values: [],
     worklog_entries: [],
 };
@@ -123,7 +136,7 @@ server.middlewares.use(async (request, response, next) => {
             ticketStatusOptions: [status],
             users: [],
             parentTicketOptions: [],
-            canEditTicket: true,
+            canEditTicket: !url.searchParams.has('readonly'),
             canManageProject: true,
             childTicketTree: [],
             linkedTickets: [],