chore: update pipecat to 1.3.0 (#379)

* chore: rename PipelineTask to PipelineWorker

* fix: fix tests

* chore: update pipecat submodule

* fix: fix anyio same task cancellation scope

api/services/workflow/mcp_tool_session.py

@@ -79,8 +79,12 @@ class McpToolSession:
         self.available: bool = False
 
     async def start(self) -> None:
-        """Connect, initialize, and cache the tool list. Never raises —
-        on any failure the session is marked unavailable."""
+        """Connect, initialize, and cache the tool list.
+
+        Never raises on a connect failure — a dead/unreachable MCP server
+        leaves the session marked unavailable (``available = False``). Genuine
+        external cancellation, KeyboardInterrupt, and SystemExit are re-raised
+        (see the CancelledError handling below and ``_degrade``)."""
         try:
             params = build_streamable_http_params(
                 url=self._url,

api/services/workflow/pipecat_engine.py

@@ -10,7 +10,7 @@ from pipecat.frames.frames import (
     LLMContextFrame,
     TTSSpeakFrame,
 )
-from pipecat.pipeline.task import PipelineTask
+from pipecat.pipeline.worker import PipelineWorker
 from pipecat.processors.aggregators.llm_context import LLMContext
 from pipecat.services.llm_service import FunctionCallParams
 from pipecat.services.settings import LLMSettings
@@ -60,7 +60,7 @@ class PipecatEngine:
     def __init__(
         self,
         *,
-        task: Optional[PipelineTask] = None,
+        task: Optional[PipelineWorker] = None,
         llm: Optional["LLMService"] = None,
         inference_llm: Optional["LLMService"] = None,
         context: Optional[LLMContext] = None,
@@ -842,7 +842,7 @@ class PipecatEngine:
         """
         self.context = context
 
-    def set_task(self, task: PipelineTask) -> None:
+    def set_task(self, task: PipelineWorker) -> None:
         """Set the pipeline task.
 
         This allows setting the task after the engine has been created,
@@ -955,7 +955,15 @@ class PipecatEngine:
                 exc_info=True,
             )
 
-    async def _close_mcp_sessions(self) -> None:
+    async def close_mcp_sessions(self) -> None:
+        """Close all open MCP tool sessions.
+
+        Must run in the same task that ran initialize() (which opened the
+        sessions via _open_mcp_sessions). The MCP client's underlying anyio
+        cancel scopes are task-affine — they must be exited from the task that
+        entered them — so this is invoked from _run_pipeline's finally, not
+        from cleanup() (which runs in a pipecat event-handler task).
+        """
         for tool_uuid, session in list(self._mcp_sessions.items()):
             try:
                 await session.close()
@@ -964,7 +972,14 @@ class PipecatEngine:
         self._mcp_sessions = {}
 
     async def cleanup(self):
-        """Clean up engine resources on disconnect."""
+        """Clean up engine resources on disconnect.
+
+        MCP tool sessions are intentionally NOT closed here — see
+        close_mcp_sessions(). This method runs in a pipecat event-handler task
+        (on_pipeline_finished), a different task than the one that opened the
+        MCP sessions; closing them here raises "Attempted to exit cancel scope
+        in a different task than it was entered in".
+        """
         # Cancel any pending timeout tasks
         if (
             self._user_response_timeout_task
@@ -973,11 +988,5 @@ class PipecatEngine:
             self._user_response_timeout_task.cancel()
 
         # Cancel any in-flight background summarization.
-        # MCP sessions are closed in a finally block so they are guaranteed to
-        # run even if the summarization cleanup raises an exception.
-        try:
-            if self._context_summarization_manager:
-                await self._context_summarization_manager.cleanup()
-        finally:
-            # Close any open MCP tool sessions
-            await self._close_mcp_sessions()
+        if self._context_summarization_manager:
+            await self._context_summarization_manager.cleanup()

api/services/workflow/text_chat_runner.py

@@ -22,7 +22,6 @@ from pipecat.frames.frames import (
     TTSStoppedFrame,
 )
 from pipecat.pipeline.pipeline import Pipeline
-from pipecat.pipeline.runner import PipelineRunner
 from pipecat.processors.aggregators.llm_context import LLMContext
 from pipecat.processors.aggregators.llm_response_universal import (
     LLMAssistantAggregatorParams,
@@ -45,6 +44,10 @@ from api.services.pipecat.tracing_config import (
     build_remote_parent_context,
     get_trace_url,
 )
+from api.services.pipecat.worker_runner import (
+    run_pipeline_worker,
+    wait_for_pipeline_worker_started,
+)
 from api.services.workflow.dto import ReactFlowDTO
 from api.services.workflow.pipecat_engine import PipecatEngine
 from api.services.workflow.workflow_graph import WorkflowGraph
@@ -534,8 +537,7 @@ async def execute_text_chat_pending_turn(
         conversation_type="text",
         additional_span_attributes=trace_span_attributes,
     )
-    runner = PipelineRunner(handle_sigint=False, handle_sigterm=False)
-    runner_task = asyncio.create_task(runner.run(task))
+    runner_task = asyncio.create_task(run_pipeline_worker(task))
 
     engine.set_task(task)
     engine.set_audio_config(audio_config)
@@ -548,7 +550,7 @@ async def execute_text_chat_pending_turn(
     )
 
     try:
-        await asyncio.wait_for(task._pipeline_start_event.wait(), timeout=5.0)
+        await wait_for_pipeline_worker_started(task, timeout=5.0, run_task=runner_task)
 
         await engine.initialize()