[codex] cover app-owned HTTP requests [ci changed_files]

codex-rs/http-state/src/http_state_tests.rs

@@ -77,6 +77,18 @@ fn stores_state_in_one_file_per_surface() {
     );
 }
 
+#[test]
+fn derives_an_independent_surface_selection() {
+    let codex_home = TempDir::new().expect("tempdir");
+    let cli = HttpStateContext::new(codex_home.path().to_path_buf(), HttpStateSurface::CodexCli);
+    let desktop = cli.for_surface(HttpStateSurface::CodexDesktop);
+
+    desktop.set_surface(HttpStateSurface::CodexVscode);
+
+    assert_eq!(cli.surface(), HttpStateSurface::CodexCli);
+    assert_eq!(desktop.surface(), HttpStateSurface::CodexVscode);
+}
+
 #[test]
 fn compare_and_set_rejects_a_stale_prior_value() {
     let codex_home = TempDir::new().expect("tempdir");

codex-rs/http-state/src/lib.rs

@@ -247,6 +247,13 @@ impl HttpStateContext {
         true
     }
 
+    pub fn for_surface(&self, surface: HttpStateSurface) -> Self {
+        Self {
+            store: self.store.clone(),
+            surface: Arc::new(RwLock::new(surface)),
+        }
+    }
+
     pub fn get_for_surface(&self, surface: HttpStateSurface) -> io::Result<Option<String>> {
         self.store.get(surface)
     }