Update xiaoge_data.py make code easy

[jixiexiaoge]

No description provided.

[Copilot]

Pull request overview

This PR simplifies the XiaogeDataBroadcaster implementation in xiaoge_data.py, reducing the amount of derived/filtered model and lane-related logic while keeping a TCP JSON broadcast loop that streams carState, modelV2, and selfdriveState data to port 7711.

Changes:

• Removes extensive lane/lead classification, caching, and filtering logic from the model-data path, keeping only a minimal lead0 + lane-line prob + road-edge + curvature payload.
• Streamlines TCP server/client handling and trims many explanatory comments and constants.
• Simplifies heartbeat generation and generalizes some exception handling.

Comments suppressed due to low confidence (1)

openpilot/selfdrive/carrot/xiaoge_data.py:274

• The heartbeat packet creation duplicates create_packet() logic. Reusing create_packet({}) keeps the wire format consistent (version/sequence/timestamp/ip) and avoids drift if the packet format changes.

                            heartbeat = {
                                'version': 1, 'sequence': self.sequence,
                                'timestamp': time.time(), 'ip': self.device_ip,
                                'data': {}
                            }

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