feat(auth): add webauthn authentication support

web/src/app/infra/http/BackendClient.ts

@@ -1304,12 +1304,92 @@ export class BackendClient extends BaseHttpClient {
     invitation_registration_enabled?: boolean;
     password_login_enabled?: boolean;
     space_login_enabled?: boolean;
+    passkey_login_enabled?: boolean;
+    passkey_supported?: boolean;
   }> {
     return this.get('/api/v1/user/account-info', undefined, {
       skipWorkspace: true,
     });
   }
 
+  // ============ Passkey (WebAuthn) API ============
+  public getPasskeyAuthOptions(
+    email?: string,
+    origin?: string,
+  ): Promise<{ options: any; challenge_token: string }> {
+    return this.post(
+      '/api/v1/user/passkey/auth/options',
+      { email, origin },
+      { skipWorkspace: true },
+    );
+  }
+
+  public verifyPasskeyAuth(
+    challenge_token: string,
+    credential: any,
+  ): Promise<{ token: string; user: string }> {
+    return this.post(
+      '/api/v1/user/passkey/auth/verify',
+      { challenge_token, credential },
+      { skipWorkspace: true },
+    );
+  }
+
+  public getPasskeyRegisterOptions(
+    origin?: string,
+  ): Promise<{ options: any; challenge_token: string }> {
+    return this.post(
+      '/api/v1/user/passkey/register/options',
+      { origin },
+      { skipWorkspace: true },
+    );
+  }
+
+  public verifyPasskeyRegister(
+    challenge_token: string,
+    credential: any,
+    name?: string,
+  ): Promise<{ uuid: string; name: string; created_at?: string }> {
+    return this.post(
+      '/api/v1/user/passkey/register/verify',
+      { challenge_token, credential, name },
+      { skipWorkspace: true },
+    );
+  }
+
+  public getPasskeys(): Promise<
+    Array<{
+      uuid: string;
+      name: string;
+      aaguid?: string;
+      transports?: string;
+      backed_up?: boolean;
+      created_at?: string;
+      last_used_at?: string;
+    }>
+  > {
+    return this.get('/api/v1/user/passkeys', undefined, {
+      skipWorkspace: true,
+    });
+  }
+
+  public renamePasskey(
+    uuid: string,
+    name: string,
+  ): Promise<{ uuid: string; name: string }> {
+    return this.patch(
+      `/api/v1/user/passkey/${encodeURIComponent(uuid)}`,
+      { name },
+      { skipWorkspace: true },
+    );
+  }
+
+  public deletePasskey(uuid: string): Promise<void> {
+    return this.delete(`/api/v1/user/passkey/${encodeURIComponent(uuid)}`, {
+      skipWorkspace: true,
+    });
+  }
+
   // ============ Workspace API ============
   public getWorkspaceBootstrap(): Promise<WorkspaceBootstrapResponse> {
     return this.get('/api/v1/workspaces/bootstrap', undefined, {