feat(android): ai chat scaffold (#11124)

Co-authored-by: graphite-app[bot] <96075541+graphite-app[bot]@users.noreply.github.com>
Co-authored-by: eyhn <cneyhn@gmail.com>

packages/frontend/apps/android/src/plugins/auth/definitions.ts

@@ -0,0 +1,22 @@
+export interface AuthPlugin {
+  signInMagicLink(options: {
+    endpoint: string;
+    email: string;
+    token: string;
+    clientNonce?: string;
+  }): Promise<{ token: string }>;
+  signInOauth(options: {
+    endpoint: string;
+    code: string;
+    state: string;
+    clientNonce?: string;
+  }): Promise<{ token: string }>;
+  signInPassword(options: {
+    endpoint: string;
+    email: string;
+    password: string;
+    verifyToken?: string;
+    challenge?: string;
+  }): Promise<{ token: string }>;
+  signOut(options: { endpoint: string }): Promise<void>;
+}

packages/frontend/apps/android/src/plugins/auth/index.ts

@@ -0,0 +1,8 @@
+import { registerPlugin } from '@capacitor/core';
+
+import type { AuthPlugin } from './definitions';
+
+const Auth = registerPlugin<AuthPlugin>('Auth');
+
+export * from './definitions';
+export { Auth };