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>

app/Http/Resources/IdeaResource.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Http\Resources;
+
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+class IdeaResource extends JsonResource
+{
+    public function toArray(Request $request): array
+    {
+        return [
+            'id' => $this->id,
+            'title' => $this->title,
+            'description' => $this->description,
+            'status' => $this->status,
+            'priority' => $this->priority,
+            'category' => $this->category,
+            'tags' => $this->tags,
+            'tags_array' => $this->tags_array,
+            'project_id' => $this->project_id,
+            'user_id' => $this->user_id,
+            'project' => $this->whenLoaded('project', fn () => [
+                'id' => $this->project->id,
+                'name' => $this->project->name,
+            ]),
+            'user' => $this->whenLoaded('user', fn () => [
+                'id' => $this->user->id,
+                'name' => $this->user->name,
+            ]),
+            'created_at' => $this->created_at->toIso8601String(),
+            'updated_at' => $this->updated_at->toIso8601String(),
+            'deleted_at' => $this->deleted_at?->toIso8601String(),
+        ];
+    }
+}