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/Requests/StoreTaskRequest.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Http\Requests;
+
+use App\Models\Task;
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rule;
+
+class StoreTaskRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'title' => ['required', 'string', 'max:255'],
+            'description' => ['nullable', 'string'],
+            'status' => ['required', 'string', Rule::in(Task::STATUSES)],
+            'project_id' => ['required', 'integer', 'exists:projects,id'],
+            'priority' => ['integer', 'min:0', 'max:10'],
+            'due_at' => ['nullable', 'date'],
+            'estimated_hours' => ['nullable', 'integer', 'min:0'],
+        ];
+    }
+}