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/IssueUpdateRequest.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace App\Http\Requests;
+
+use App\Models\Issue;
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rule;
+
+class IssueUpdateRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        $issue = $this->route('issue') ?? Issue::find($this->route('issue'));
+        if ($issue) {
+            return $this->user()->can('edit issues', $issue->project) && $this->user()->can('edit', $issue);
+        }
+        return $this->user()->can('edit issues');
+    }
+
+    public function rules(): array
+    {
+        return [
+            'title' => 'sometimes|required|string|max:255',
+            'description' => 'nullable|string',
+            'status' => ['sometimes', 'required', Rule::in(Issue::STATUSES)],
+            'priority' => ['sometimes', 'required', Rule::in(Issue::PRIORITIES)],
+            'type' => ['sometimes', 'required', Rule::in(Issue::TYPES)],
+            'assigned_to' => 'nullable|exists:users,id',
+            'resolution_notes' => 'nullable|string',
+            'feature_id' => 'nullable|exists:features,id',
+            'inspection_id' => 'nullable|exists:inspections,id',
+        ];
+    }
+}