docs: for keeping sync with phoenix-fs repo

Author: abose

src-electron/main-app-ipc.js

@@ -1,6 +1,9 @@
 /**
  * IPC handlers for electronAppAPI
  * Preload location: contextBridge.exposeInMainWorld('electronAppAPI', { ... })
+ *
+ * NOTE: This file is copied from phoenix-fs library. Do not modify without
+ * updating the source library. Only add new Phoenix-specific handlers to main-window-ipc.js.
  */
 
 const { app, ipcMain } = require('electron');

src-electron/main-fs-ipc.js

@@ -1,6 +1,9 @@
 /**
  * IPC handlers for electronFSAPI
  * Preload location: contextBridge.exposeInMainWorld('electronFSAPI', { ... })
+ *
+ * NOTE: This file is copied from phoenix-fs library. Do not modify without
+ * updating the source library. Only add new Phoenix-specific handlers to main-window-ipc.js.
  */
 
 const { ipcMain, dialog, BrowserWindow } = require('electron');

src-electron/preload.js

@@ -1,5 +1,10 @@
 const { contextBridge, ipcRenderer } = require('electron');
 
+/**
+ * electronAppAPI - Process lifecycle and app info APIs
+ * NOTE: This API block is copied from phoenix-fs library. Do not modify without
+ * updating the source library. Only add new Phoenix-specific APIs to electronAPI below.
+ */
 contextBridge.exposeInMainWorld('electronAppAPI', {
     // App info
     getAppName: () => ipcRenderer.invoke('get-app-name'),
@@ -26,7 +31,11 @@ contextBridge.exposeInMainWorld('electronAppAPI', {
     getCliArgs: () => ipcRenderer.invoke('get-cli-args')
 });
 
-// the electronFSAPI is the fn that you need to copy to your election app impl for the fs to work.
+/**
+ * electronFSAPI - File system APIs
+ * NOTE: This API block is copied from phoenix-fs library. Do not modify without
+ * updating the source library. Only add new Phoenix-specific APIs to electronAPI below.
+ */
 contextBridge.exposeInMainWorld('electronFSAPI', {
     // Path utilities
     path: {