Revert "firebase integration"

This reverts commit dacc9ce2bc.

helpers.php

@@ -7,46 +7,7 @@ if (session_status() === PHP_SESSION_NONE) {
 
 require_once __DIR__ . '/config.php';
 
-function decode_firestore_value($value) {
-    if (!is_array($value)) return $value;
-    if (isset($value['stringValue'])) return $value['stringValue'];
-    if (isset($value['integerValue'])) return (int)$value['integerValue'];
-    if (isset($value['doubleValue'])) return (float)$value['doubleValue'];
-    if (isset($value['booleanValue'])) return (bool)$value['booleanValue'];
-    if (isset($value['nullValue'])) return null;
-    if (isset($value['arrayValue']['values'])) {
-        return array_map('decode_firestore_value', $value['arrayValue']['values']);
-    }
-    if (isset($value['mapValue']['fields'])) {
-        return array_map('decode_firestore_value', $value['mapValue']['fields']);
-    }
-    return $value;
-}
-
-function decode_firestore_document(array $doc): array {
-    if (!isset($doc['fields'])) return [];
-    return array_map('decode_firestore_value', $doc['fields']);
-}
-
-function firestore_get(string $url): ?array {
-    $ch = curl_init();
-    curl_setopt($ch, CURLOPT_URL, $url);
-    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
-    curl_setopt($ch, CURLOPT_TIMEOUT, 10);
-    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
-    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
-    $response = curl_exec($ch);
-    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
-    curl_close($ch);
-
-    if ($httpCode !== 200 || !$response) {
-        return null;
-    }
-
-    return json_decode($response, true);
-}
-
-function load_recipes_local(): array {
+function load_recipes(): array {
     $path = __DIR__ . '/data/recipes.json';
     if (!file_exists($path)) {
         return [];
@@ -67,54 +28,6 @@ function load_recipes_local(): array {
     return $data;
 }
 
-function load_recipes(): array {
-    $config = get_firebase_config();
-    $projectId = $config['projectId'] ?? '';
-    if (empty($projectId)) {
-        return load_recipes_local();
-    }
-
-    $url = "https://firestore.googleapis.com/v1/projects/{$projectId}/databases/(default)/documents/recipes?pageSize=100";
-    $res = firestore_get($url);
-    if (!$res || !isset($res['documents'])) {
-        return load_recipes_local();
-    }
-
-    $recipes = [];
-    foreach ($res['documents'] as $doc) {
-        $decoded = decode_firestore_document($doc);
-        if (!empty($decoded)) {
-            if (!empty($decoded['hero']) && is_string($decoded['hero'])) {
-                $decoded['hero'] = normalize_asset_path($decoded['hero']);
-            }
-            $recipes[] = $decoded;
-        }
-    }
-
-    return $recipes;
-}
-
-function load_recipe_by_slug(string $slug): ?array {
-    $config = get_firebase_config();
-    $projectId = $config['projectId'] ?? '';
-    if (empty($projectId)) {
-        return find_recipe_by_slug(load_recipes_local(), $slug);
-    }
-
-    $url = "https://firestore.googleapis.com/v1/projects/{$projectId}/databases/(default)/documents/recipes/" . urlencode($slug);
-    $res = firestore_get($url);
-    if (!$res || isset($res['error'])) {
-        return find_recipe_by_slug(load_recipes_local(), $slug);
-    }
-
-    $decoded = decode_firestore_document($res);
-    if (!empty($decoded['hero']) && is_string($decoded['hero'])) {
-        $decoded['hero'] = normalize_asset_path($decoded['hero']);
-    }
-
-    return $decoded;
-}
-
 function save_recipes(array $recipes): bool {
     $path = __DIR__ . '/data/recipes.json';
     $json = json_encode($recipes, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);