- Execute GET requests in a dedicated thread with its own Tokio runtime,
add timeout handling and clearer error messages.
- Tighten `is_safe_path` checks and simplify HTTP/S3 logic.
- Change `llm_keyword` to accept `Arc<AppState>`, add prompt builder,
run LLM generation in an isolated thread with timeout.
- Update keyword registration call in `basic/mod.rs`.
- Convert template script to use `let` declarations and return a
boolean.
- Introduce connection‑status indicator in the web UI with styles,
automatic reconnection attempts, and proper WS/WSS handling for voice.
