不应使用切片获取 client_id

[Ark-Aak]

我改用正则获取 client_id 了

[Copilot]

Pull request overview

This pull request changes the method of extracting client_id from a QR code string, switching from a hardcoded slice operation (qrRaw[81:]) to a regex pattern-based extraction that targets a UUID format.

Changes:

• Replace slice-based client_id extraction with regex pattern matching to extract UUID
• Comment out a response function call in the on_message handler
• Remove an empty line

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[Copilot]

The regex extraction can result in uuid_str being None if the pattern doesn't match, but there's no error handling or validation before passing it to local_data(clientId=uuid_str). This could cause issues downstream when the clientId is used in websocket messages. Consider adding validation to ensure the match was successful and handle the case where it fails, such as logging an error and exiting gracefully.

Suggested change

	uuid_str = match.group(2) if match else None
	if not match:
	logger.error("无法从二维码内容中解析出有效的 clientId，内容为: %s", qrRaw)
	raise SystemExit(1)
	uuid_str = match.group(2)

[Copilot]

The response function call has been commented out without explanation. If this is intentional and the functionality is no longer needed, the line should be removed entirely rather than commented out. If this is temporary for debugging or testing, a comment explaining why it's disabled should be added.

Suggested change

	# response(ws, "feedback-0", store)
	# response(ws, "feedback-0", store) # Temporarily disabled to avoid sending automatic feedback messages; re-enable if feedback responses are required.