docs: update for pipecat PR #5482

[pipecat-docs-bot]

Automated documentation update for pipecat PR #5482.

Changes

api-reference/server/utilities/runner/guide.mdx

• Added new "Runner Lifecycle Management" section documenting runner.cancel() for ending sessions early
• Updated handle_sigint parameter documentation to explain it should be passed from runner_args.handle_sigint
• Added example showing runner must be created before event handlers that need to call runner.cancel()

pipecat/get-started/quickstart.mdx

• Updated event handler example to use await runner.cancel() instead of await worker.cancel()
• Updated runner initialization to use runner_args.handle_sigint instead of hardcoded False
• Added note explaining runner must be created before event handlers

pipecat/learn/pipeline-termination.mdx

• Updated all event handler examples to use await runner.cancel() instead of await worker.cancel()
• Updated WorkerRunner initialization examples to use runner_args.handle_sigint pattern
• Updated error handling example to use runner-level cancellation

Gaps identified

None. All relevant documentation pages have been updated to reflect the new pattern where:

1. The WorkerRunner is created before event handlers are registered
2. Event handlers call await runner.cancel() instead of await worker.cancel()
3. The runner uses runner_args.handle_sigint in scaffolded bots

Note: Some pages (e.g., pipecat/learn/proxy-agents.mdx) correctly use handle_sigint=False in FastAPI websocket endpoint contexts where the server handles signals - these were not changed.

[github-actions]

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