test: full E2E audit + fix CsvImportExport vehicle.brand → make

Audit pass (33 new tests in tests/Feature/Audit/):
- CrmFunnelE2ETest: full Lead→Deal→Appointment→WO→Payment journey,
  covering 5 previously-untested models. Verifies WO.balanceDue updates
  correctly after payments, including refunds (negative amount → balance
  increases).
- WorkOrderTotalsTest: works+parts+subcontract+discount sum correctly,
  cancelled subcontract excluded, deleting lines triggers recalc, status=done
  consumes part reservations into issues, cancelled releases reservations.
- ShopJourneyE2ETest: register→cart→checkout→email confirmation→tracking
  page reachable→admin fulfills→stock drops→warehouse event recorded.
  Also guest checkout still works without account.
- CsvImportExportTest: round-trip, dedup-by-phone, **caught real bug** —
  Vehicle export wrote $row->brand (no such property) and import set
  'brand' => row['brand'] in Vehicle::create (column is `make`). Fix
  applied to both paths.
- TenantBackupServiceTest: zip contains valid manifest with counts +
  data/*.json per model + works embedded with WorkOrder.
- WorkOrderPdfServiceTest: generated PDF starts with %PDF, includes WO data,
  non-trivial size, handles empty WO.
- PayrollCalculatorTest: base + works_pct + parts_pct + bonus - fine -
  advance, scoped to user + period.
- NotificationFallbackTest: Telegram wins when chat_id present, falls back
  to email when not, returns false when neither, tenant disable flag stops
  both.
- AiProvidersCrossCheckTest: OpenAI request shape, Gemini URL with model,
  no-key friendly message, tenant model override propagates into HTTP body.
- SettingsPersistenceTest: 25-key settings JSON round-trips, partial update
  via array_replace_recursive preserves other keys.
- CompanyProvisionerTest: suspend / reactivate / archive behavior.

Bug fixed: CsvImportExport used `brand` on Vehicle which has column `make`.
The export silently emitted empty values, the import silently dropped the
brand. Now both paths use `make`.

Full suite: 173 passed (468 assertions). 0 failed.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

tests/Feature/Audit/SettingsPersistenceTest.php

@@ -0,0 +1,100 @@
+<?php
+
+namespace Tests\Feature\Audit;
+
+use App\Models\Central\Company;
+use App\Models\Central\Plan;
+use App\Tenancy\TenantManager;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+/**
+ * Settings JSON has grown ~25 keys across 8 sections. Verify the round-trip
+ * shape is correct: every setting our pages write must come back when read.
+ */
+class SettingsPersistenceTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function test_settings_round_trip_full_shape(): void
+    {
+        $plan = Plan::firstOrCreate(['slug' => 'test'], ['name' => 'T', 'price' => 0, 'features' => []]);
+        $payload = [
+            'currency' => 'MDL',
+            'language' => 'ro',
+            'theme_color' => '#ff8800',
+            'labor_rate' => 450.5,
+            'services' => ['Diagnoză', 'Frâne'],
+            'cars' => ['BMW', 'Audi'],
+            'notify' => [
+                'wo_ready' => true,
+                'payment' => false,
+                'appointment' => true,
+                'reminder' => true,
+            ],
+            'telegram' => ['bot_token' => 'secret-token'],
+            'reminder' => ['after_days' => 400, 'cooldown_days' => 45],
+            'shop' => [
+                'enabled' => true,
+                'delivery_methods' => ['pickup', 'courier'],
+                'delivery_fee' => 50,
+                'free_delivery_over' => 1000,
+            ],
+            'ai' => [
+                'default_provider' => 'claude',
+                'claude_key' => 'sk-ant-xxx',
+                'gpt_key' => null,
+                'gemini_key' => null,
+                'models' => [
+                    'claude' => 'claude-opus-4-7',
+                    'gpt' => 'gpt-4o',
+                    'gemini' => 'gemini-1.5-pro',
+                ],
+            ],
+        ];
+
+        $company = Company::create([
+            'plan_id' => $plan->id, 'slug' => 'st-' . uniqid(),
+            'name' => 'Settings Co', 'status' => 'active',
+            'settings' => $payload,
+        ]);
+        app(TenantManager::class)->setCurrent($company);
+
+        $fresh = Company::withoutGlobalScopes()->find($company->id);
+        $this->assertEquals($payload, $fresh->settings);
+
+        // Spot-check critical values via data_get (the way services read them).
+        $this->assertEquals('MDL', data_get($fresh->settings, 'currency'));
+        $this->assertTrue(data_get($fresh->settings, 'shop.enabled'));
+        $this->assertEquals(450.5, data_get($fresh->settings, 'labor_rate'));
+        $this->assertEquals('claude-opus-4-7', data_get($fresh->settings, 'ai.models.claude'));
+        $this->assertEquals(45, data_get($fresh->settings, 'reminder.cooldown_days'));
+    }
+
+    public function test_partial_update_preserves_other_keys(): void
+    {
+        $plan = Plan::firstOrCreate(['slug' => 'test'], ['name' => 'T', 'price' => 0, 'features' => []]);
+        $company = Company::create([
+            'plan_id' => $plan->id, 'slug' => 'pu-' . uniqid(),
+            'name' => 'Partial', 'status' => 'active',
+            'settings' => [
+                'currency' => 'MDL',
+                'shop' => ['enabled' => true, 'delivery_fee' => 50],
+                'ai' => ['claude_key' => 'sk-xxx'],
+            ],
+        ]);
+
+        // Update only the shop subsection (simulating an isolated UI save).
+        $company->update([
+            'settings' => array_replace_recursive((array) $company->settings, [
+                'shop' => ['delivery_fee' => 100],
+            ]),
+        ]);
+
+        $fresh = Company::withoutGlobalScopes()->find($company->id);
+        $this->assertEquals('MDL', data_get($fresh->settings, 'currency'), 'currency preserved');
+        $this->assertTrue(data_get($fresh->settings, 'shop.enabled'), 'shop.enabled preserved');
+        $this->assertEquals(100, data_get($fresh->settings, 'shop.delivery_fee'), 'shop.delivery_fee updated');
+        $this->assertEquals('sk-xxx', data_get($fresh->settings, 'ai.claude_key'), 'ai key untouched');
+    }
+}