fix: date parsing format for Whisper sync

local_worker/vod_backfiller.py

@@ -240,7 +240,15 @@ def transcribe_vod_audio(vod_id, start_time_iso, model, start_offset=0, end_offs
         
         offset_seconds = start_offset
         
-        base_start_time = time.mktime(time.strptime(start_time_iso, "%Y-%m-%dT%H:%M:%SZ"))
+        try:
+            from datetime import datetime
+            clean_str = start_time_iso.replace('Z', '+00:00')
+            base_start_time = datetime.fromisoformat(clean_str).timestamp()
+        except Exception as parse_e:
+            print(f"[Audio] Error parsing start_time_iso '{start_time_iso}': {parse_e}")
+            # Fallback to seconds-only precision
+            clean_t = start_time_iso.split(".")[0].replace("Z", "").replace("+00:00", "")
+            base_start_time = time.mktime(time.strptime(clean_t, "%Y-%m-%dT%H:%M:%S"))
         
         while True:
             if end_offset is not None and offset_seconds >= end_offset: