Commit the Projects/Tasks/Ideas/TaskComments feature

This was already implemented, migrated, and running live, but had
never been committed. Bringing it into git: Project/Task/Idea/
TaskComment models, their JSON API (CRUD + status transitions,
task comments, idea<->project linking), Livewire UI pages, and the
nav/route wiring for them. All 42 of its own tests pass.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

database/factories/ProjectFactory.php

@@ -0,0 +1,63 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Models\Project;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+class ProjectFactory extends Factory
+{
+    protected $model = Project::class;
+
+    public function definition(): array
+    {
+        return [
+            'name' => fake()->words(2, true),
+            'description' => fake()->optional()->paragraph(),
+            'status' => fake()->randomElement(Project::STATUSES),
+            'due_at' => fake()->optional()->dateTimeBetween('now', '+1 year'),
+        ];
+    }
+
+    public function active(): static
+    {
+        return $this->state(fn () => [
+            'status' => 'active',
+        ]);
+    }
+
+    public function completed(): static
+    {
+        return $this->state(fn () => [
+            'status' => 'completed',
+        ]);
+    }
+
+    public function archived(): static
+    {
+        return $this->state(fn () => [
+            'status' => 'archived',
+        ]);
+    }
+
+    public function onHold(): static
+    {
+        return $this->state(fn () => [
+            'status' => 'on_hold',
+        ]);
+    }
+
+    public function planned(): static
+    {
+        return $this->state(fn () => [
+            'status' => 'planned',
+        ]);
+    }
+
+    public function withDueDate(): static
+    {
+        return $this->state(fn () => [
+            'due_at' => fake()->dateTimeBetween('now', '+1 year'),
+        ]);
+    }
+}