- Add RCVTIMEO (300s) to prevent recv operations from hanging indefinitely
- Add SNDTIMEO (300s) to prevent send operations from hanging indefinitely
- Add IMMEDIATE mode to avoid message queue blocking
- Applied to both api.py and searcher_base.py ZMQ socket connections
This ensures ZMQ operations timeout gracefully instead of hanging the process
when embedding servers become unresponsive.
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Co-Authored-By: Claude <noreply@anthropic.com>
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