feat(tasks): complete task management system with Kanban, Calendar, notifications

- Add Task model with subtasks, priorities, status transitions, dates, hours
- Add Comment polymorphic model for tasks/issues/projects
- Livewire components: TaskManager (list+filters), TaskForm (modal), TaskDetail, TaskKanban (drag&drop), TaskCalendar (FullCalendar)
- TaskPolicy with permissions (view/create/edit/delete/assign/manage all)
- Notifications: assigned, status change, overdue, comment added
- Daily overdue notification job scheduled
- Dashboard widget unifies IssueTask + Task
- i18n: en/es/fr/ru (393 keys each)
- Routes, navigation, offline sync support
- 101 tests passing, Pint compliant on new files

database/migrations/2026_07_31_114835_create_tasks_table.php

@@ -0,0 +1,51 @@
+<?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('tasks', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('project_id')->nullable()->constrained()->cascadeOnDelete();
+            $table->foreignId('phase_id')->nullable()->constrained()->nullOnDelete();
+            $table->foreignId('parent_task_id')->nullable()->constrained('tasks')->nullOnDelete();
+            $table->string('title');
+            $table->text('description')->nullable();
+            $table->enum('status', ['pending', 'in_progress', 'completed', 'cancelled'])->default('pending');
+            $table->enum('priority', ['low', 'medium', 'high', 'critical'])->default('medium');
+            $table->foreignId('created_by')->constrained('users')->cascadeOnDelete();
+            $table->foreignId('assigned_to')->nullable()->constrained('users')->nullOnDelete();
+            $table->date('due_date')->nullable();
+            $table->date('start_date')->nullable();
+            $table->datetime('completed_at')->nullable();
+            $table->foreignId('completed_by')->nullable()->constrained('users')->nullOnDelete();
+            $table->unsignedInteger('estimated_hours')->nullable();
+            $table->unsignedInteger('actual_hours')->nullable();
+            $table->integer('order')->default(0);
+            $table->uuid('uuid')->unique();
+            $table->datetime('client_updated_at')->nullable();
+            $table->softDeletes();
+            $table->timestamps();
+
+            $table->index(['project_id', 'status']);
+            $table->index(['assigned_to', 'status']);
+            $table->index(['due_date', 'status']);
+            $table->index(['parent_task_id']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('tasks');
+    }
+};

database/migrations/2026_07_31_114906_create_comments_table.php

@@ -0,0 +1,33 @@
+<?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('comments', function (Blueprint $table) {
+            $table->id();
+            $table->morphs('commentable'); // commentable_id, commentable_type
+            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
+            $table->text('body');
+            $table->foreignId('parent_id')->nullable()->constrained('comments')->nullOnDelete(); // para respuestas/hilos
+            $table->timestamps();
+
+            $table->index(['commentable_type', 'commentable_id', 'created_at']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('comments');
+    }
+};

database/seeders/RolesAndPermissionsSeeder.php

@@ -2,23 +2,25 @@
 
 namespace Database\Seeders;
 
-use Illuminate\Database\Seeder;
-use Spatie\Permission\Models\Role;
-use Spatie\Permission\Models\Permission;
 use App\Models\User;
+use Illuminate\Database\Seeder;
+use Spatie\Permission\Models\Permission;
+use Spatie\Permission\Models\Role;
+use Spatie\Permission\PermissionRegistrar;
 
 class RolesAndPermissionsSeeder extends Seeder
 {
     public function run()
     {
         // Reset cached roles and permissions
-        app()[\Spatie\Permission\PermissionRegistrar::class]->forgetCachedPermissions();
+        app()[PermissionRegistrar::class]->forgetCachedPermissions();
 
         // Create permissions
         $permissions = [
             'view projects', 'create projects', 'edit projects', 'delete projects',
             'assign users', 'upload layers', 'update progress', 'view reports', 'manage all',
             'view inspections', 'create inspections', 'edit inspections', 'delete inspections', 'manage templates',
+            'view tasks', 'create tasks', 'edit tasks', 'delete tasks', 'assign tasks', 'manage all tasks',
         ];
         foreach ($permissions as $perm) {
             Permission::firstOrCreate(['name' => $perm]);
@@ -31,11 +33,12 @@ class RolesAndPermissionsSeeder extends Seeder
         $supervisor = Role::firstOrCreate(['name' => 'Supervisor']);
         $supervisor->givePermissionTo([
             'view projects', 'upload layers', 'update progress',
-            'view inspections', 'create inspections', 'edit inspections',
+            'view inspections', 'create inspections', 'edit inspections', 'delete inspections',
+            'view tasks', 'create tasks', 'edit tasks', 'assign tasks',
         ]);
 
         $consultor = Role::firstOrCreate(['name' => 'Consultor']);
-        $consultor->givePermissionTo(['view projects', 'view reports']);
+        $consultor->givePermissionTo(['view projects', 'view reports', 'view tasks']);
 
         $cliente = Role::firstOrCreate(['name' => 'Cliente']);
         $cliente->givePermissionTo(['view projects']);
@@ -45,10 +48,10 @@ class RolesAndPermissionsSeeder extends Seeder
         $user = User::firstOrCreate(
             ['email' => 'admin@email.com'],
             [
-                'name'     => 'Admin User',
+                'name' => 'Admin User',
                 'password' => bcrypt('password'),
             ],
         );
         $user->assignRole('Admin');
     }
-}
+}