WIP чекпойнт: lead-region/supplier бэкенд + фронт-редизайн + Pint + тесты

92 файла одной пачкой. Исключены чужие зоны: CLAUDE.md, .claude/settings.json, docs/observer/.pii-counters.json.
gitleaks staged: no leaks found. Не верифицировано тестами - сохранение труда в историю.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

app/tests/Feature/Migrations/ProjectRoutingSnapshotsTableTest.php

@@ -2,6 +2,9 @@
 
 declare(strict_types=1);
 
+use App\Models\Project;
+use App\Models\Tenant;
+use Illuminate\Database\QueryException;
 use Illuminate\Foundation\Testing\DatabaseTransactions;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Schema;
@@ -31,11 +34,11 @@ it('rejects negative daily_limit / expected_volume / delivered_count', function
         'delivered_count' => 0,
         'created_at' => now(),
     ]);
-})->throws(\Illuminate\Database\QueryException::class);
+})->throws(QueryException::class);
 
 it('enforces composite PK (snapshot_date, project_id)', function () {
-    $tenant = \App\Models\Tenant::factory()->create();
-    $project = \App\Models\Project::factory()->for($tenant)->create();
+    $tenant = Tenant::factory()->create();
+    $project = Project::factory()->for($tenant)->create();
     DB::table('project_routing_snapshots')->insert([
         'snapshot_date' => '2026-05-28', 'project_id' => $project->id, 'tenant_id' => $tenant->id,
         'daily_limit' => 10, 'delivery_days_mask' => 127, 'regions' => '{}',
@@ -48,5 +51,5 @@ it('enforces composite PK (snapshot_date, project_id)', function () {
         'daily_limit' => 20, 'delivery_days_mask' => 127, 'regions' => '{}',
         'signal_type' => 'call', 'expected_volume' => 20, 'delivered_count' => 0,
         'created_at' => now(),
-    ]))->toThrow(\Illuminate\Database\QueryException::class);
+    ]))->toThrow(QueryException::class);
 });