fix：更新gps数据处理

backend/monitoring/video.py

@@ -182,6 +182,8 @@ class OmniSocketVideoReceiver:
             return None
         if not (-90.0 <= latitude <= 90.0) or not (-180.0 <= longitude <= 180.0):
             return None
+        if abs(latitude) < 1e-9 and abs(longitude) < 1e-9:
+            return None
 
         timestamp_ns = timestamp_ms * VIDEO_TRAILER_TIMESTAMP_MULTIPLIER_NS
         if abs(time.time_ns() - timestamp_ns) > VIDEO_TRAILER_TIMESTAMP_MAX_SKEW_NS:
@@ -191,6 +193,8 @@ class OmniSocketVideoReceiver:
             timestamp_ns=timestamp_ns,
             latitude=latitude,
             longitude=longitude,
+            raw_latitude_hex=trailer[8:16].hex(),
+            raw_longitude_hex=trailer[16:24].hex(),
             received_at=received_at if received_at is not None else time.time(),
         )