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docs: update for pipecat PR #4414#788

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docs: update for pipecat PR #4414#788
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Automated documentation update for pipecat PR #4414.

Changes

api-reference/server/utilities/turn-management/turn-events.mdx

Updated the on_assistant_turn_stopped event note to clarify that this event now fires for TTSSpeakFrame(append_to_context=True) greetings, not just LLM-generated responses or user interruptions.

pipecat/learn/text-to-speech.mdx

Added a note in the "Direct Speech Commands" section explaining that when using append_to_context=True, the assistant aggregator's turn events (on_assistant_turn_started and on_assistant_turn_stopped) will fire, allowing users to capture greeting text in their turn event handlers.

Gaps identified

None. The PR only modified internal implementation details of the turn management system (LLMAssistantAggregator._handle_push_aggregation() and TTS service PTS handling). These changes don't introduce new public APIs or configuration options—they fix a bug where greetings weren't properly triggering turn events.

Update turn event documentation to reflect that on_assistant_turn_stopped
now fires for TTSSpeakFrame(append_to_context=True) greetings, not just
LLM-generated responses.

- Updated turn-events.mdx to clarify when on_assistant_turn_stopped fires
- Added note in text-to-speech.mdx explaining turn event behavior for
  append_to_context=True frames
@markbackman markbackman added auto-docs Automated documentation update from pipecat source changes pipecat labels May 4, 2026
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