feat: Phase 3.1 - FormRequests for Task, Issue, Inspection

- Create TaskStoreRequest, TaskUpdateRequest with authorize() + rules()
- Create IssueStoreRequest, IssueUpdateRequest with authorize() + rules()
- Create InspectionStoreRequest, InspectionUpdateRequest with authorize() + rules() + withValidator()
- Update TaskForm to use FormRequests via app()
- Update IssueForm (kept inline validation for complex logic)
- Add InspectionStore/Update requests for ProjectMap inspection methods

Tests: 101 passing (319 assertions)

app/Http/Requests/TaskUpdateRequest.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace App\Http\Requests;
+
+use App\Models\Task;
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rule;
+
+class TaskUpdateRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        $task = $this->route('task') ?? Task::find($this->route('task'));
+        if ($task) {
+            return $this->user()->can('update', $task);
+        }
+        return $this->user()->can('update tasks');
+    }
+
+    public function rules(): array
+    {
+        return [
+            'title' => 'sometimes|required|string|max:255',
+            'description' => 'nullable|string',
+            'phase_id' => 'nullable|exists:phases,id',
+            'status' => ['sometimes', 'required', Rule::in(['pending', 'in_progress', 'completed', 'cancelled'])],
+            'priority' => ['sometimes', 'required', Rule::in(['low', 'medium', 'high', 'critical'])],
+            'assigned_to' => 'nullable|exists:users,id',
+            'due_date' => 'nullable|date',
+            'start_date' => 'nullable|date|before_or_equal:due_date',
+            'estimated_hours' => 'nullable|integer|min:0|max:10000',
+            'actual_hours' => 'nullable|integer|min:0|max:10000',
+            'order' => 'nullable|integer|min:0',
+            'parent_task_id' => 'nullable|exists:tasks,id',
+        ];
+    }
+}