feat: electron supporting apis for auto update in linux

Author: abose

src-electron/main.js

@@ -78,9 +78,12 @@ function getSrcNodePath() {
 }
 
 // In-memory key-value store shared across all windows (mirrors Tauri's put_item/get_all_items)
-// Used for multi-window storage synchronization
+// Used for multi-window storage synchronization - ONLY for use by storage.js
 const sharedStorageMap = new Map();
 
+// Update scheduled flag - shared across all windows for app updater
+let updateScheduled = false;
+
 // Hidden metrics window for Google Analytics
 let metricsWindow = null;
 
@@ -248,20 +251,15 @@ ipcMain.handle('get-executable-path', (event) => {
     return process.execPath;
 });
 
-// Run a shell command for update script execution
-ipcMain.handle('run-shell-command', async (event, command) => {
+// Update scheduled state - shared across windows for multi-window update persistence
+ipcMain.handle('set-update-scheduled', (event, scheduled) => {
     assertTrusted(event);
-    const { exec } = require('child_process');
-    return new Promise((resolve) => {
-        exec(command, { shell: '/bin/bash' }, (error, stdout, stderr) => {
-            if (error) {
-                console.error('Shell command error:', error);
-                resolve({ code: error.code || 1, stdout, stderr });
-            } else {
-                resolve({ code: 0, stdout, stderr });
-            }
-        });
-    });
+    updateScheduled = scheduled;
+});
+
+ipcMain.handle('get-update-scheduled', (event) => {
+    assertTrusted(event);
+    return updateScheduled;
 });
 
 // Handle quit request from renderer

src-electron/package.json

@@ -22,4 +22,4 @@
     "electron": "^40.0.0",
     "electron-builder": "^24.13.3"
   }
-}
+}

src-electron/preload.js

@@ -79,7 +79,10 @@ contextBridge.exposeInMainWorld('electronAPI', {
     // Set zoom factor on the webview (mirrors Tauri's zoom_window)
     zoomWindow: (scaleFactor) => ipcRenderer.invoke('zoom-window', scaleFactor),
 
-    // In-memory storage for multi-window sync (mirrors Tauri's put_item/get_all_items)
+    /**
+     * In-memory storage for multi-window sync (mirrors Tauri's put_item/get_all_items)
+     * WARNING: These APIs are ONLY for use by storage.js - do not use elsewhere
+     */
     putItem: (key, value) => ipcRenderer.invoke('put-item', key, value),
     getAllItems: () => ipcRenderer.invoke('get-all-items'),
 
@@ -166,5 +169,6 @@ contextBridge.exposeInMainWorld('electronAPI', {
     getAppVersion: () => ipcRenderer.invoke('get-app-version'),
     isPackaged: () => ipcRenderer.invoke('is-packaged'),
     getExecutablePath: () => ipcRenderer.invoke('get-executable-path'),
-    runShellCommand: (command) => ipcRenderer.invoke('run-shell-command', command)
+    setUpdateScheduled: (scheduled) => ipcRenderer.invoke('set-update-scheduled', scheduled),
+    getUpdateScheduled: () => ipcRenderer.invoke('get-update-scheduled')
 });