test(startup): isolate post-load IPC control (#37)

- Issue #37: test whether a single command is safe after the document load callback returns.
- Keep the native shell unchanged while replacing the renderer with one post-load IPC call.

Refs #37.

src-tauri/src/lib.rs

@@ -18201,6 +18201,10 @@ fn toggle_log_pause(caller: tauri::WebviewWindow, pause: bool) -> Result<(), Str
 
 #[tauri::command]
 fn is_log_paused() -> bool {
+    // This read is needed during renderer bootstrap, including by standalone
+    // Properties windows. Avoid extracting a WebviewWindow here: on Windows,
+    // WebView2 can invoke the command while its host is still initializing.
+    // Mutating logging commands remain restricted to the main window below.
     LOG_PAUSED.load(std::sync::atomic::Ordering::Relaxed)
 }
 
@@ -19899,7 +19903,6 @@ pub fn run() {
                 mark_main_window_startup_complete(app_handle);
                 #[cfg(target_os = "windows")]
                 reveal_main_window(app_handle);
-                #[cfg(not(target_os = "windows"))]
                 restore_pending_main_window(app_handle);
             }
             #[cfg(target_os = "macos")]

src/main.tsx

@@ -1,8 +1,20 @@
-import { initLogger } from "./utils/logger";
+import { invoke } from '@tauri-apps/api/core';
 
-void initLogger();
-
-const rootElement = document.getElementById("root");
+const rootElement = document.getElementById('root');
 if (rootElement) {
-  rootElement.textContent = "Firelink startup control";
+  rootElement.textContent = 'Firelink startup control';
 }
+
+const documentLoaded = new Promise<void>(resolve => {
+  const releaseAfterNativeLoad = () => window.setTimeout(resolve, 0);
+  if (document.readyState === 'complete') {
+    releaseAfterNativeLoad();
+  } else {
+    window.addEventListener('load', releaseAfterNativeLoad, { once: true });
+  }
+});
+
+void documentLoaded.then(async () => {
+  await invoke<number>('begin_dock_badge_session');
+  if (rootElement) rootElement.textContent = 'Firelink post-load IPC control';
+});