Implement project memberships teams and permission model

database/migrations/2026_03_24_234735_create_project_team_permissions_table.php

@@ -0,0 +1,31 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('project_team_permissions', function (Blueprint $table) {
+            $table->foreignId('project_id')->constrained()->cascadeOnDelete();
+            $table->foreignId('team_id')->constrained()->cascadeOnDelete();
+            $table->string('permission');
+            $table->timestamps();
+
+            $table->primary(['project_id', 'team_id', 'permission']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('project_team_permissions');
+    }
+};

database/migrations/2026_03_24_234735_create_project_user_permissions_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('project_user_permissions', function (Blueprint $table) {
+            $table->foreignId('project_id')->constrained()->cascadeOnDelete();
+            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
+            $table->string('permission');
+            $table->timestamps();
+
+            $table->primary(['project_id', 'user_id', 'permission']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('project_user_permissions');
+    }
+};

database/migrations/2026_03_24_234735_create_team_user_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('team_user', function (Blueprint $table) {
+            $table->foreignId('team_id')->constrained()->cascadeOnDelete();
+            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
+            $table->timestamps();
+
+            $table->primary(['team_id', 'user_id']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('team_user');
+    }
+};

database/migrations/2026_03_24_234735_create_teams_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('teams', function (Blueprint $table) {
+            $table->id();
+            $table->string('name')->unique();
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('teams');
+    }
+};