feat: redirect first-time users to signup page instead of login

studio/frontend/src/app/auth-guards.ts

@@ -12,9 +12,21 @@ async function hasActiveSession(): Promise<boolean> {
   return refreshSession();
 }
 
+async function checkAuthInitialized(): Promise<boolean> {
+  try {
+    const res = await fetch("/api/auth/status");
+    if (!res.ok) return true; // fallback to login on error
+    const data = (await res.json()) as { initialized: boolean };
+    return data.initialized;
+  } catch {
+    return true; // fallback to login on error
+  }
+}
+
 export async function requireAuth(): Promise<void> {
   if (await hasActiveSession()) return;
-  throw redirect({ to: "/login" });
+  const initialized = await checkAuthInitialized();
+  throw redirect({ to: initialized ? "/login" : "/signup" });
 }
 
 export async function requireGuest(): Promise<void> {

studio/frontend/src/features/auth/components/auth-form.tsx

@@ -63,7 +63,18 @@ export function AuthForm({ mode }: AuthFormProps): ReactElement | null {
         const response = await fetch("/api/auth/status");
         if (!response.ok) throw new Error("Failed to load auth status.");
         const result = (await response.json()) as AuthStatusResponse;
-        if (!canceled) setInitialized(result.initialized);
+        if (!canceled) {
+          setInitialized(result.initialized);
+          // Auto-redirect to the correct page based on init state
+          if (mode === "login" && result.initialized === false) {
+            navigate({ to: "/signup" });
+            return;
+          }
+          if (mode === "signup" && result.initialized === true) {
+            navigate({ to: "/login" });
+            return;
+          }
+        }
       } catch (err: unknown) {
         if (!canceled) {
           setError(err instanceof Error ? err.message : "Failed to load.");