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

apps/electron/src/platform/index.js

@@ -2,6 +2,16 @@
  * Electron platform implementation.
  * Delegates to the window.* APIs exposed by preload.cjs.
  */
+import SearchDatabase from '@discord-clone/shared/src/utils/SearchDatabase';
+
+const searchDB = new SearchDatabase(
+  window.searchStorage,
+  {
+    encryptData: (data, key) => window.cryptoAPI.encryptData(data, key),
+    decryptData: (ct, key, iv, tag) => window.cryptoAPI.decryptData(ct, key, iv, tag),
+  }
+);
+
 const electronPlatform = {
   crypto: {
     generateKeys: () => window.cryptoAPI.generateKeys(),
@@ -46,10 +56,12 @@ const electronPlatform = {
   updates: {
     checkUpdate: () => window.updateAPI.checkFlatpakUpdate(),
   },
+  searchDB,
   features: {
     hasWindowControls: true,
     hasScreenCapture: true,
     hasNativeUpdates: true,
+    hasSearch: true,
   },
 };