fix(web): remove localhost hints from loading shell

index.html

@@ -73,12 +73,7 @@
     <main id="sp42-loading-shell" class="sp42-loading-shell">
       <section class="sp42-loading-card">
         <h1>SP42</h1>
-        <p><strong>Booting patrol workbench…</strong></p>
-        <p>
-          The browser shell mounts here once the Rust/Wasm bundle is ready. Run the
-          localhost server on <code>127.0.0.1:8788</code> for auth, coordination,
-          and debug surfaces.
-        </p>
+        <p><strong>Loading SP42…</strong></p>
       </section>
     </main>
   </body>

xtask/src/main.rs

@@ -1125,4 +1125,13 @@ mod tests {
 
         assert_eq!(args, ["tauri", "build"]);
     }
+
+    #[test]
+    fn web_loading_shell_does_not_expose_local_server_instructions() {
+        let html = include_str!("../../index.html");
+
+        assert!(html.contains("Loading SP42…"));
+        assert!(!html.contains("127.0.0.1:8788"));
+        assert!(!html.contains("localhost server"));
+    }
 }