Deprecate passing a worker to PipelineRunner.run()

Register the worker with PipelineRunner.add_workers() before calling
run() instead. The worker argument still works but now emits a
DeprecationWarning and will be removed in a future release.

Update the runner docstrings, the run_test() helper, and all examples
(including the asyncio.gather() forms) to use the new pattern.

examples/persistent-context/persistent-context-anthropic.py

@@ -239,7 +239,8 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
 
     runner = PipelineRunner(handle_sigint=runner_args.handle_sigint)
 
-    await runner.run(worker)
+    await runner.add_workers(worker)
+    await runner.run()
 
 
 async def bot(runner_args: RunnerArguments):

examples/persistent-context/persistent-context-aws-nova-sonic.py

@@ -283,7 +283,8 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
 
     runner = PipelineRunner(handle_sigint=runner_args.handle_sigint)
 
-    await runner.run(worker)
+    await runner.add_workers(worker)
+    await runner.run()
 
 
 async def bot(runner_args: RunnerArguments):

examples/persistent-context/persistent-context-gemini.py

@@ -316,7 +316,8 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
 
     runner = PipelineRunner(handle_sigint=runner_args.handle_sigint)
 
-    await runner.run(worker)
+    await runner.add_workers(worker)
+    await runner.run()
 
 
 async def bot(runner_args: RunnerArguments):

examples/persistent-context/persistent-context-grok-realtime.py

@@ -233,7 +233,8 @@ Remember, your responses should be short - just one or two sentences usually."""
 
     runner = PipelineRunner(handle_sigint=runner_args.handle_sigint)
 
-    await runner.run(worker)
+    await runner.add_workers(worker)
+    await runner.run()
 
 
 async def bot(runner_args: RunnerArguments):

examples/persistent-context/persistent-context-openai-realtime.py

@@ -253,7 +253,8 @@ Remember, your responses should be short. Just one or two sentences, usually."""
 
     runner = PipelineRunner(handle_sigint=runner_args.handle_sigint)
 
-    await runner.run(worker)
+    await runner.add_workers(worker)
+    await runner.run()
 
 
 async def bot(runner_args: RunnerArguments):

examples/persistent-context/persistent-context-openai-responses-http.py

@@ -234,7 +234,8 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
 
     runner = PipelineRunner(handle_sigint=runner_args.handle_sigint)
 
-    await runner.run(worker)
+    await runner.add_workers(worker)
+    await runner.run()
 
 
 async def bot(runner_args: RunnerArguments):

examples/persistent-context/persistent-context-openai-responses.py

@@ -234,7 +234,8 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
 
     runner = PipelineRunner(handle_sigint=runner_args.handle_sigint)
 
-    await runner.run(worker)
+    await runner.add_workers(worker)
+    await runner.run()
 
 
 async def bot(runner_args: RunnerArguments):

examples/persistent-context/persistent-context-openai.py

@@ -232,7 +232,8 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
 
     runner = PipelineRunner(handle_sigint=runner_args.handle_sigint)
 
-    await runner.run(worker)
+    await runner.add_workers(worker)
+    await runner.run()
 
 
 async def bot(runner_args: RunnerArguments):