Context passed as the second argument to every MCP handler.
Currently carries only an AbortSignal; reserved as a stable
extensibility point for future fields (deadline, telemetry, etc.)
without breaking existing handlers.
Aborts when the MCP call is cancelled (client disconnect,
timeout, app close). Cooperative — handlers MAY check it; the
dispatcher does not force-kill.
Context passed as the second argument to every MCP handler. Currently carries only an AbortSignal; reserved as a stable extensibility point for future fields (deadline, telemetry, etc.) without breaking existing handlers.