Fix production 500 error: remove build-time config:cache and fix runtime database permissions and seeding

routes/web.php

@@ -4,7 +4,54 @@ use App\Http\Controllers\Admin\MakerWorldController;
 use App\Http\Controllers\CartController;
 use App\Http\Controllers\CheckoutController;
 use App\Http\Controllers\ShopController;
+use App\Models\Category;
+use App\Models\Product;
+use Illuminate\Cookie\Middleware\EncryptCookies;
+use Illuminate\Session\Middleware\StartSession;
+use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Route;
+use Illuminate\Support\Facades\Schema;
+
+// Health & Diagnostics
+Route::get('/health-debug', function () {
+    $dbPath = config('database.connections.sqlite.database');
+
+    $diagnostics = [
+        'php_version' => PHP_VERSION,
+        'app_env' => config('app.env'),
+        'has_app_key' => ! empty(config('app.key')),
+        'app_key_len' => strlen((string) config('app.key')),
+        'db_connection' => config('database.default'),
+        'db_path' => $dbPath,
+        'db_file_exists' => is_string($dbPath) && file_exists($dbPath),
+        'db_dir_writable' => is_string($dbPath) && is_writable(dirname($dbPath)),
+    ];
+
+    try {
+        DB::connection()->getPdo();
+        $diagnostics['db_pdo'] = 'CONNECTED';
+        $diagnostics['tables'] = Schema::getTableListing();
+    } catch (Throwable $e) {
+        $diagnostics['db_pdo_error'] = $e->getMessage();
+    }
+
+    try {
+        $diagnostics['categories_count'] = Category::count();
+    } catch (Throwable $e) {
+        $diagnostics['categories_error'] = $e->getMessage();
+    }
+
+    try {
+        $diagnostics['products_count'] = Product::count();
+    } catch (Throwable $e) {
+        $diagnostics['products_error'] = $e->getMessage();
+    }
+
+    return response()->json($diagnostics);
+})->withoutMiddleware([
+    StartSession::class,
+    EncryptCookies::class,
+]);
 
 // Shop & Product routes
 Route::get('/', [ShopController::class, 'index'])->name('home');