Fix: Resolved E2BIG error by switching to file-based payload passing for large requests (images)

gtm_architect_orchestrator.py

@@ -379,17 +379,28 @@ def main():
     """
     parser = argparse.ArgumentParser(description="GTM Architect Orchestrator")
     parser.add_argument("--mode", required=True, help="The execution mode (e.g., phase1, phase2).")
-    parser.add_argument("--payload_base64", required=True, help="The Base64 encoded JSON payload.")
+    parser.add_argument("--payload_base64", help="The Base64 encoded JSON payload (deprecated, use payload_file).")
+    parser.add_argument("--payload_file", help="Path to a JSON file containing the payload (preferred).")
     
     args = parser.parse_args()
     
+    payload = {}
     try:
-        payload_str = base64.b64decode(args.payload_base64).decode('utf-8')
-        payload = json.loads(payload_str)
-    except (json.JSONDecodeError, base64.binascii.Error) as e:
-        logging.error(f"Failed to decode payload: {e}")
+        if args.payload_file:
+            if not os.path.exists(args.payload_file):
+                raise FileNotFoundError(f"Payload file not found: {args.payload_file}")
+            with open(args.payload_file, 'r', encoding='utf-8') as f:
+                payload = json.load(f)
+        elif args.payload_base64:
+            payload_str = base64.b64decode(args.payload_base64).decode('utf-8')
+            payload = json.loads(payload_str)
+        else:
+            raise ValueError("No payload provided (neither --payload_file nor --payload_base64).")
+            
+    except (json.JSONDecodeError, base64.binascii.Error, ValueError, FileNotFoundError) as e:
+        logging.error(f"Failed to load payload: {e}")
         # Print error as JSON to stdout for the server to catch
-        print(json.dumps({"error": "Invalid payload format.", "details": str(e)}))
+        print(json.dumps({"error": "Invalid payload.", "details": str(e)}))
         sys.exit(1)
 
     # Function mapping to dynamically call the correct phase