Batch 2: Workload heatmap + Site PSauto + VIN search

═══ Workload heatmap (Încărcare STO) ═══
- /app/workload custom Page (group Analiză)
- Săptămână (Lu-Du) × posturi → matrice ore programate
- Heatmap colorat: verde→galben→roșu pe ratio capacity (10h/zi)
- Navigare săpt anterior/curent/următor
- Programări fără pod → row '— fără pod —' separat

═══ Site PSauto (landing public) ═══
- / pe tenant subdomain → resources/views/site/landing.blade.php
- Hero cu logo + nume + slogan; gradient theme color
- Servicii (din settings.services) — grid card-uri
- Locație/contact + program lucru standardizat
- Mărci suportate (din settings.cars)
- CTA: phone + email
- Footer cu tenant name + powered by AutoCRM

═══ VIN search ═══
- VinDecoder service: WMI hardcoded (24 producători EU/Asia/USA)
  + year codes (2001-2026) — pure offline, fără API extern
- /app/vin-search Page (group Depozit) cu:
  • Input VIN cu uppercase + monospace
  • Decode → producător/țară/an/serial
  • Match VIN-uri din baza Vehicles
  • Search piese din catalog (live debounce 300ms)
- Rezultatele linkează la editor Vehicle/Part

Total tenant routes: 102.

routes/web.php

@@ -5,9 +5,20 @@ use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Route;
 
 Route::get('/', function () {
-    // On a tenant subdomain → redirect to the tenant panel.
-    if (app(TenantManager::class)->isResolved()) {
-        return redirect('/app');
+    // On a tenant subdomain → public landing page.
+    $tenant = app(TenantManager::class)->current();
+    if ($tenant) {
+        return view('site.landing', [
+            'name' => $tenant->display_name ?? $tenant->name,
+            'city' => $tenant->city,
+            'phone' => $tenant->phone,
+            'email' => $tenant->email,
+            'themeColor' => $tenant->settings['theme_color'] ?? '#3B82F6',
+            'services' => (array) ($tenant->settings['services'] ?? []),
+            'cars' => (array) ($tenant->settings['cars'] ?? []),
+            'logoUrl' => $tenant->getLogoUrl(),
+            'faviconUrl' => $tenant->getFaviconUrl(),
+        ]);
     }
     // On the central domain → redirect to admin.
     return redirect('/admin');