feat: configurable chat web UI for interactive model testing#14
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Add a /chat endpoint serving a mini web UI for interactive testing of any model through the proxy. Supports model selection, temperature control, system prompts, streaming responses, and markdown rendering. The chat UI is enabled by default but can be disabled by setting VERTEX_PROXY_ENABLE_CHAT_UI=false. When disabled, the /chat route is not registered and returns 404. Includes tests for both enabled and disabled states.
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Summary
Add a
/chatendpoint serving a mini chat web UI for interactive testing of any model through the proxy. Supports model selection, temperature control, system prompts, streaming responses, and markdown rendering.Configuration
The chat UI is enabled by default but can be disabled:
When disabled, the
/chatroute is not registered and returns 404.Changes
vertex_proxy/chat_ui.py— Self-contained HTML/CSS/JS chat interfacevertex_proxy/config.py— Newenable_chat_uisetting (default:true)vertex_proxy/main.py— Conditionally register the/chatroutetests/test_chat_ui.py— Tests for both enabled and disabled statesCHANGELOG.md/README.md— Documentation updates