fix(auth): bump appshell-sdk 0.2.1 (PKCE verifier fix); tidy OAuth error handling

package.json

@@ -9,7 +9,7 @@
     "lint": "eslint"
   },
   "dependencies": {
-    "@abe-kap/appshell-sdk": "^0.2.0",
+    "@abe-kap/appshell-sdk": "^0.2.1",
     "clsx": "^2.1.1",
     "lucide-react": "^1.21.0",
     "next": "16.2.9",

src/components/portal/login-flow.tsx

@@ -86,8 +86,8 @@ export function LoginFlow() {
         }
       })
       .catch((e) => {
-        console.error("[oauth] completeOAuthLogin failed:", e);
-        setFlash(`Google sign-in didn't complete: ${(e as Error)?.message ?? "unknown error"}`);
+        console.error("[oauth] Google sign-in failed:", e);
+        setFlash(`Google sign-in didn't complete: ${(e as Error)?.message ?? "please try again"}`);
         replace("identify");
       });
   }, [ready, completeOAuthLogin, router]);