🤖 fix: keep web app icons under path prefix

Use relative manifest and icon URLs so the server-injected base href keeps Coder path-app prefixes for HTML, manifest, and dynamic favicon updates.

Author: ibetitsmike

index.html

@@ -8,9 +8,9 @@
     />
     <meta name="description" content="Parallel agentic development with Electron + React" />
     <meta name="theme-color" content="#1e1e1e" />
-    <link rel="manifest" href="/manifest.json" crossorigin="use-credentials" vite-ignore />
-    <link rel="icon" href="/favicon.ico" data-theme-icon vite-ignore />
-    <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png" vite-ignore />
+    <link rel="manifest" href="manifest.json" crossorigin="use-credentials" vite-ignore />
+    <link rel="icon" href="favicon.ico" data-theme-icon vite-ignore />
+    <link rel="apple-touch-icon" sizes="180x180" href="apple-touch-icon.png" vite-ignore />
     <title>mux - coder multiplexer</title>
     <style>
       body {

public/manifest.json

@@ -2,20 +2,20 @@
   "name": "mux - coder multiplexer",
   "short_name": "mux",
   "description": "Parallel agentic development with Electron + React",
-  "start_url": "/",
+  "start_url": ".",
   "display": "standalone",
   "background_color": "#1e1e1e",
   "theme_color": "#1e1e1e",
   "orientation": "any",
   "icons": [
     {
-      "src": "/icon-192.png",
+      "src": "icon-192.png",
       "sizes": "192x192",
       "type": "image/png",
       "purpose": "any maskable"
     },
     {
-      "src": "/icon-512.png",
+      "src": "icon-512.png",
       "sizes": "512x512",
       "type": "image/png",
       "purpose": "any maskable"
@@ -27,7 +27,7 @@
       "name": "New Workspace",
       "short_name": "New",
       "description": "Create a new workspace",
-      "url": "/?action=new",
+      "url": "?action=new",
       "icons": []
     }
   ]

src/browser/contexts/ThemeContext.tsx

@@ -66,9 +66,10 @@ const THEME_COLORS: Record<ThemeMode, string> = {
   "flexoki-dark": "#100f0f",
 };
 
+// Keep hrefs relative so a server-injected <base> preserves path-app prefixes.
 const FAVICON_BY_SCHEME: Record<"light" | "dark", string> = {
-  light: "/favicon.ico",
-  dark: "/favicon-dark.ico",
+  light: "favicon.ico",
+  dark: "favicon-dark.ico",
 };
 
 /** Map theme mode to CSS color-scheme value */