Fix login flow: login stays on login, onboarding checks auth, homepage checks family

src/app/FamilyProvider.tsx

@@ -52,9 +52,8 @@ export function FamilyProvider({ children: providerChildren }: { children: React
         const sessionRes = await fetch("/api/auth/signin");
         const sessionData = await sessionRes.json();
 
-        // Not authenticated - redirect to login
+        // Not authenticated - stay on current page, don't redirect
         if (!sessionData.authenticated) {
-          router.push("/login");
           setLoading(false);
           return;
         }
@@ -66,8 +65,9 @@ export function FamilyProvider({ children: providerChildren }: { children: React
           return;
         }
 
-        // Fetch children for this family
+        // Authenticated with family - check for children
-        const res = await fetch(`/api/children?familyId=${sessionData.familyId}`);
+        const familyId = sessionData.familyId;
+        const res = await fetch(`/api/children?familyId=${familyId}`);
         const data = await res.json();
 
         if (data.children?.length > 0) {
@@ -84,9 +84,11 @@ export function FamilyProvider({ children: providerChildren }: { children: React
         } else {
           // No children - go to onboarding
           router.push("/onboarding");
+          setLoading(false);
+          return;
         }
 
-        setFamilyId(sessionData.familyId);
+        setFamilyId(familyId);
         setTier(sessionData.tier || "free");
         setMemberCount(2);
       } catch (err) {

src/app/login/page.tsx

@@ -7,12 +7,16 @@ export default function LoginPage() {
   const router = useRouter();
 
   useEffect(() => {
-    // Check if already logged in via session cookie
     async function checkSession() {
       const res = await fetch("/api/auth/signin");
       const data = await res.json();
+
       if (data.authenticated) {
+        if (data.familyId) {
           router.push("/");
+        } else {
+          router.push("/onboarding");
+        }
       }
     }
     checkSession();
@@ -34,7 +38,11 @@ export default function LoginPage() {
     const data = await res.json();
 
     if (data.success) {
+      if (data.familyId) {
         router.push("/");
+      } else {
+        router.push("/onboarding");
+      }
     } else {
       alert(data.error || "Sign in failed");
     }

src/app/onboarding/page.tsx

@@ -1,12 +1,13 @@
 "use client";
 
-import { useState } from "react";
+import { useState, useEffect } from "react";
 import { useRouter } from "next/navigation";
 
 export default function OnboardingPage() {
   const router = useRouter();
   const [step, setStep] = useState(1);
   const [loading, setLoading] = useState(false);
+  const [checkingAuth, setCheckingAuth] = useState(true);
   const [form, setForm] = useState({
     familyName: "",
     memberName: "",
@@ -15,6 +16,20 @@ export default function OnboardingPage() {
     sex: "" as "male" | "female" | "other",
   });
 
+  useEffect(() => {
+    async function checkAuth() {
+      const res = await fetch("/api/auth/signin");
+      const data = await res.json();
+      if (!data.authenticated) {
+        router.push("/login");
+      } else if (data.familyId) {
+        router.push("/");
+      }
+      setCheckingAuth(false);
+    }
+    checkAuth();
+  }, [router]);
+
   const handleSubmit = async () => {
     setLoading(true);
     try {
@@ -32,6 +47,14 @@ export default function OnboardingPage() {
     setLoading(false);
   };
 
+  if (checkingAuth) {
+    return (
+      <div className="min-h-screen flex items-center justify-center bg-gradient-to-br from-rose-50 to-amber-50">
+        <div className="text-gray-500">Loading...</div>
+      </div>
+    );
+  }
+
   return (
     <div className="min-h-screen flex items-center justify-center bg-gradient-to-br from-rose-50 to-amber-50 p-4">
       <div className="w-full max-w-md">

src/app/page.tsx

@@ -137,12 +137,20 @@ export default function HomePage() {
   const [pendingCount, setPendingCount] = useState(0);
   const [lastLogs, setLastLogs] = useState<any[]>([]);
   const { theme, toggle: toggleTheme } = useTheme();
-  const { childId, child, loading } = useFamily();
+  const { childId, child, familyId, loading } = useFamily();
 
   if (loading) {
     return <div className="min-h-screen flex items-center justify-center">Loading...</div>;
   }
 
+  // Not logged in - redirect to login
+  if (!familyId) {
+    if (typeof window !== "undefined") {
+      window.location.href = "/login";
+    }
+    return <div className="min-h-screen flex items-center justify-center">Redirecting...</div>;
+  }
+
   if (!childId) {
     return <div className="min-h-screen flex items-center justify-center">No child found. Add a child in Family settings.</div>;
   }