[feat] update some feature

sync code of  fastrtc,
add text support through datachannel,
fix safari connect problem
support chat without camera or mic

demo/talk_to_smolagents/requirements.txt

@@ -0,0 +1,136 @@
+# This file was autogenerated by uv via the following command:
+#    uv export --format requirements-txt --no-hashes
+aiofiles==23.2.1
+aiohappyeyeballs==2.4.6
+aiohttp==3.11.13
+aiohttp-retry==2.9.1
+aioice==0.9.0
+aiortc==1.10.1
+aiosignal==1.3.2
+annotated-types==0.7.0
+anyio==4.8.0
+async-timeout==5.0.1 ; python_full_version < '3.11'
+attrs==25.1.0
+audioop-lts==0.2.1 ; python_full_version >= '3.13'
+audioread==3.0.1
+av==13.1.0
+babel==2.17.0
+beautifulsoup4==4.13.3
+certifi==2025.1.31
+cffi==1.17.1
+charset-normalizer==3.4.1
+click==8.1.8
+colorama==0.4.6
+coloredlogs==15.0.1
+colorlog==6.9.0
+cryptography==44.0.1
+csvw==3.5.1
+decorator==5.2.1
+dlinfo==2.0.0
+dnspython==2.7.0
+duckduckgo-search==7.5.0
+espeakng-loader==0.2.4
+exceptiongroup==1.2.2 ; python_full_version < '3.11'
+fastapi==0.115.8
+fastrtc==0.0.8.post1
+fastrtc-moonshine-onnx==20241016
+ffmpy==0.5.0
+filelock==3.17.0
+flatbuffers==25.2.10
+frozenlist==1.5.0
+fsspec==2025.2.0
+google-crc32c==1.6.0
+gradio==5.19.0
+gradio-client==1.7.2
+h11==0.14.0
+httpcore==1.0.7
+httpx==0.28.1
+huggingface-hub==0.29.1
+humanfriendly==10.0
+idna==3.10
+ifaddr==0.2.0
+isodate==0.7.2
+jinja2==3.1.5
+joblib==1.4.2
+jsonschema==4.23.0
+jsonschema-specifications==2024.10.1
+kokoro-onnx==0.4.3
+language-tags==1.2.0
+lazy-loader==0.4
+librosa==0.10.2.post1
+llvmlite==0.44.0
+lxml==5.3.1
+markdown-it-py==3.0.0
+markdownify==1.0.0
+markupsafe==2.1.5
+mdurl==0.1.2
+mpmath==1.3.0
+msgpack==1.1.0
+multidict==6.1.0
+numba==0.61.0
+numpy==2.1.3
+onnxruntime==1.20.1
+orjson==3.10.15
+packaging==24.2
+pandas==2.2.3
+phonemizer-fork==3.3.1
+pillow==11.1.0
+platformdirs==4.3.6
+pooch==1.8.2
+primp==0.14.0
+propcache==0.3.0
+protobuf==5.29.3
+pycparser==2.22
+pydantic==2.10.6
+pydantic-core==2.27.2
+pydub==0.25.1
+pyee==12.1.1
+pygments==2.19.1
+pyjwt==2.10.1
+pylibsrtp==0.11.0
+pyopenssl==25.0.0
+pyparsing==3.2.1
+pyreadline3==3.5.4 ; sys_platform == 'win32'
+python-dateutil==2.9.0.post0
+python-dotenv==1.0.1
+python-multipart==0.0.20
+pytz==2025.1
+pyyaml==6.0.2
+rdflib==7.1.3
+referencing==0.36.2
+regex==2024.11.6
+requests==2.32.3
+rfc3986==1.5.0
+rich==13.9.4
+rpds-py==0.23.1
+ruff==0.9.7 ; sys_platform != 'emscripten'
+safehttpx==0.1.6
+scikit-learn==1.6.1
+scipy==1.15.2
+segments==2.3.0
+semantic-version==2.10.0
+shellingham==1.5.4 ; sys_platform != 'emscripten'
+six==1.17.0
+smolagents==1.9.2
+sniffio==1.3.1
+soundfile==0.13.1
+soupsieve==2.6
+soxr==0.5.0.post1
+standard-aifc==3.13.0 ; python_full_version >= '3.13'
+standard-chunk==3.13.0 ; python_full_version >= '3.13'
+standard-sunau==3.13.0 ; python_full_version >= '3.13'
+starlette==0.45.3
+sympy==1.13.3
+threadpoolctl==3.5.0
+tokenizers==0.21.0
+tomlkit==0.13.2
+tqdm==4.67.1
+twilio==9.4.6
+typer==0.15.1 ; sys_platform != 'emscripten'
+typing-extensions==4.12.2
+tzdata==2025.1
+uritemplate==4.1.1
+urllib3==2.3.0
+uvicorn==0.34.0 ; sys_platform != 'emscripten'
+websockets==15.0
+yarl==1.18.3