feat: propagate session_id from transport to tool context #1608
+330
−1
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Summary
This PR enables tools to access the transport-level session ID via
Context.session_id, supporting session-level tracing and observability use cases.Changes
session_idfieldsession_idvia propertysession_idfield to dataclasssession_idwhen creating initialization optionssession_idproperty accessible in toolsUsage
Tools can now access the session ID like this:
Behavior
ctx.session_idreturns the transport's session ID (UUID)ctx.session_idreturnsNone(no session tracking)ctx.session_idreturnsNone(session_id not set during initialization)Use Cases
Testing
Fixes
Related
Related to #421 (OpenTelemetry tracing integration)
Breaking Changes
None. This is a backward-compatible addition:
InitializationOptionsContext(returns None if not available)