fix: support both json and string cookies for facebook

packages/core/src/scrapers/facebook.ts

@@ -297,18 +297,31 @@ export async function ensureFacebookCookies(
 ): Promise<Cookie[]> {
   // Priority 1: URL parameter (if provided)
   if (cookiesSource) {
+    // Try JSON array format first
     try {
       const cookies = await loadFacebookCookies(cookiesSource);
       if (cookies.length > 0) {
         console.log(
-          `Loaded ${cookies.length} Facebook cookies from URL parameter`,
+          `Loaded ${cookies.length} Facebook cookies from URL parameter (JSON format)`,
         );
         return cookies;
       }
-    } catch (e) {
-      console.warn(`Failed to parse cookies from URL parameter: ${e}`);
-      // Continue to next priority
+    } catch {
+      // JSON parse failed, try cookie string format as fallback
     }
+
+    // Try cookie string format (e.g., "name1=value1; name2=value2")
+    const cookies = parseFacebookCookieString(cookiesSource);
+    if (cookies.length > 0) {
+      console.log(
+        `Loaded ${cookies.length} Facebook cookies from URL parameter (string format)`,
+      );
+      return cookies;
+    }
+
+    console.warn(
+      "URL parameter provided but no valid cookies extracted. Expected JSON array or cookie string.",
+    );
   }
 
   // Priority 2: Environment variable
@@ -327,12 +340,43 @@ export async function ensureFacebookCookies(
 
   // Priority 3: Cookie file (fallback)
   try {
-    const existing = await loadFacebookCookies(undefined, cookiePath);
-    if (existing.length > 0) {
-      console.log(
-        `Loaded ${existing.length} Facebook cookies from ${cookiePath}`,
+    const file = Bun.file(cookiePath);
+    if (await file.exists()) {
+      const content = await file.text();
+
+      // Try JSON array format first
+      try {
+        const parsed = JSON.parse(content);
+        if (Array.isArray(parsed)) {
+          const cookies = parsed.filter(
+            (cookie): cookie is Cookie =>
+              cookie &&
+              typeof cookie.name === "string" &&
+              typeof cookie.value === "string",
+          );
+          if (cookies.length > 0) {
+            console.log(
+              `Loaded ${cookies.length} Facebook cookies from ${cookiePath} (JSON format)`,
+            );
+            return cookies;
+          }
+        }
+      } catch {
+        // JSON parse failed, try cookie string format
+      }
+
+      // Try cookie string format
+      const cookies = parseFacebookCookieString(content);
+      if (cookies.length > 0) {
+        console.log(
+          `Loaded ${cookies.length} Facebook cookies from ${cookiePath} (string format)`,
+        );
+        return cookies;
+      }
+
+      console.warn(
+        `Cookie file ${cookiePath} exists but no valid cookies extracted`,
       );
-      return existing;
     }
   } catch (e) {
     console.warn(`Could not load cookies from ${cookiePath}: ${e}`);