improvements

src/preload/index.ts

@@ -36,6 +36,10 @@ const api = {
     reveal: (path: string): void => { ipcRenderer.invoke('shell:reveal', path) },
   },
 
+  notes: {
+    read: (): Promise<string> => ipcRenderer.invoke('notes:read'),
+    write: (text: string): Promise<void> => ipcRenderer.invoke('notes:write', text),
+  },
   git: {
     load: () => ipcRenderer.invoke('git:load'),
     stage: (paths: string[]) => ipcRenderer.invoke('git:stage', paths),
@@ -110,6 +114,13 @@ const api = {
     return () => ipcRenderer.removeListener('config:changed', handler)
   },
 
+  /** Subscribe to the window entering/leaving fullscreen. Returns an unsubscribe. */
+  onFullscreen: (cb: (on: boolean) => void): (() => void) => {
+    const handler = (_e: unknown, on: boolean): void => cb(on)
+    ipcRenderer.on('window:fullscreen', handler)
+    return () => ipcRenderer.removeListener('window:fullscreen', handler)
+  },
+
   /** Subscribe to explicit ⌘R refresh requests (git + tree + viewer). Returns an unsubscribe. */
   onRefresh: (cb: () => void): (() => void) => {
     const handler = (): void => cb()