feat: Introduce multi-platform architecture for Electron and Web clients with shared UI components, Convex backend for messaging, and integrated search functionality.

apps/electron/main.cjs

@@ -603,6 +603,43 @@ app.whenReady().then(async () => {
         });
     });
 
+    // --- Search DB file storage ---
+    const SEARCH_DIR = path.join(app.getPath('userData'), 'search');
+
+    ipcMain.handle('search-db-load', (event, userId) => {
+        try {
+            const filePath = path.join(SEARCH_DIR, `search-${userId}.db.enc`);
+            if (!fs.existsSync(filePath)) return null;
+            return new Uint8Array(fs.readFileSync(filePath));
+        } catch (err) {
+            console.error('Search DB load error:', err.message);
+            return null;
+        }
+    });
+
+    ipcMain.handle('search-db-save', (event, userId, data) => {
+        try {
+            if (!fs.existsSync(SEARCH_DIR)) fs.mkdirSync(SEARCH_DIR, { recursive: true });
+            const filePath = path.join(SEARCH_DIR, `search-${userId}.db.enc`);
+            fs.writeFileSync(filePath, Buffer.from(data));
+            return true;
+        } catch (err) {
+            console.error('Search DB save error:', err.message);
+            return false;
+        }
+    });
+
+    ipcMain.handle('search-db-clear', (event, userId) => {
+        try {
+            const filePath = path.join(SEARCH_DIR, `search-${userId}.db.enc`);
+            if (fs.existsSync(filePath)) fs.unlinkSync(filePath);
+            return true;
+        } catch (err) {
+            console.error('Search DB clear error:', err.message);
+            return false;
+        }
+    });
+
     // AFK voice channel: expose system idle time to renderer
     ipcMain.handle('get-system-idle-time', () => powerMonitor.getSystemIdleTime());