Update annotation class to make 'time' attribute public and enhance video time formatting in the main processing function. Adjust documentation to reflect changes in test batch progression.

main.py

@@ -177,10 +177,14 @@ def _post_annotation_to_service(token_mgr: TokenManager, media_id: str,
     try:
         token = token_mgr.get_valid_token()
         image_b64 = base64.b64encode(annotation.image).decode() if annotation.image else None
+        total_seconds = annotation.time // 1000 if annotation.time else 0
+        hours = total_seconds // 3600
+        minutes = (total_seconds % 3600) // 60
+        seconds = total_seconds % 60
         payload = {
             "mediaId": media_id,
             "source": 0,
-            "videoTime": f"00:00:{annotation.time // 1000:02d}" if annotation.time else "00:00:00",
+            "videoTime": f"{hours:02d}:{minutes:02d}:{seconds:02d}",
             "detections": [d.model_dump() for d in dtos],
         }
         if image_b64: