feat: update dashboard favicon (#309)

src/channels/web/server.rs

@@ -290,7 +290,8 @@ pub async fn start_server(
     let statics = Router::new()
         .route("/", get(index_handler))
         .route("/style.css", get(css_handler))
-        .route("/app.js", get(js_handler));
+        .route("/app.js", get(js_handler))
+        .route("/favicon.ico", get(favicon_handler));
 
     // Project file serving (behind auth to prevent unauthorized file access).
     let projects = Router::new()
@@ -392,6 +393,16 @@ async fn js_handler() -> impl IntoResponse {
     )
 }
 
+async fn favicon_handler() -> impl IntoResponse {
+    (
+        [
+            (header::CONTENT_TYPE, "image/x-icon"),
+            (header::CACHE_CONTROL, "public, max-age=86400"),
+        ],
+        include_bytes!("static/favicon.ico").as_slice(),
+    )
+}
+
 // --- Health ---
 
 async fn health_handler() -> Json<HealthResponse> {

src/channels/web/static/index.html

@@ -4,6 +4,7 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>IronClaw</title>
+  <link rel="icon" href="/favicon.ico" type="image/x-icon">
   <link rel="preconnect" href="https://fonts.googleapis.com">
   <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
   <link href="https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap" rel="stylesheet">