fix: ComfyUI wildcard route syntax for axum 0.8+

- Changed  to  in comfyui proxy route
- Added config.toml for local dev
- Verified: Rust backend starts and serves /healthz, /api/sites,
  /api/events, /api/tasks, /api/settings, /api/organizations/plans
- 18/18 tests pass

boosapi-rs/src/routes/comfyui/mod.rs

@@ -82,7 +82,7 @@ pub fn routes() -> Router<AppState> {
         .route("/api/comfyui/queue", get(proxy_get_queue))
         .route("/api/comfyui/view", get(proxy_get_view))
         // Static proxy (public — assets/JS/CSS)
-        .route("/api/comfyui/proxy/*path", get(proxy_static))
+        .route("/api/comfyui/proxy/{*path}", get(proxy_static))
         // HTML page (public)
         .route("/comfyui", get(comfyui_page))
 }