- Avoid acquiring write mutex in ping handlers so keepalive pongs reply immediately during active writes.
- Stream payload messages larger than 32KB in chunks using writer streams.
- Support ephemeral websocket sessions for sessionless execution and enrich disconnect logs with session kind and terminal event context.
Closes: #5734
- Removed deprecated interceptor and executor-related methods, including `callRequestInterceptor`, `callResponseInterceptor`, and `callStreamChunkInterceptor`.
- Consolidated unused logic and pruned redundant imports to streamline `adapters.go`.
- No functional changes.
