fix: add support for DAILY_SAMPLE_ROOM_URL when calling /start for DailyTransport

CHANGELOG.md

@@ -12,6 +12,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Upgraded `aws_sdk_bedrock_runtime` to v0.1.1 to resolve potential CPU issues
   when running `AWSNovaSonicLLMService`.
 
+### Fixed
+
+- Fixed an issue in the runner where starting a DailyTransport room via
+  `/start` didn't support using the `DAILY_SAMPLE_ROOM_URL` env var.
+
 ## [0.0.91] - 2025-10-21
 
 ### Added

src/pipecat/runner/run.py

@@ -573,8 +573,14 @@ def _setup_daily_routes(app: FastAPI):
 
         bot_module = _get_bot_module()
 
+        existing_room_url = os.getenv("DAILY_SAMPLE_ROOM_URL")
+
         result = None
-        if create_daily_room:
+
+        # Configure room if:
+        # 1. Explicitly requested via createDailyRoom in payload
+        # 2. Using pre-configured room from DAILY_SAMPLE_ROOM_URL env var
+        if create_daily_room or existing_room_url:
             import aiohttp
 
             from pipecat.runner.daily import configure