feat(meta-service): add initialization complete flag for watch #17900
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Summary
feat(meta-service): add initialization complete flag for watch
When a watch requires initialization flush, the server now sends a flag
message indicating when the initialization phase is completed.
With this flag, the
cachemodule can determine whether data has beenfully initialized and is ready to serve, improving reliability of the
caching system.
Tests
Type of change
Related Issues
This change is