Fix login flow to store and use real family_id

src/app/FamilyProvider.tsx

@@ -46,7 +46,11 @@ export function FamilyProvider({ children: providerChildren }: { children: React
   useEffect(() => {
     async function fetchFamilyData() {
       try {
-        const res = await fetch("/api/children?familyId=default");
+        // Get family_id from localStorage (set during login)
+        const storedFamilyId = localStorage.getItem("family_id");
+        const familyIdToUse = storedFamilyId || "default";
+
+        const res = await fetch(`/api/children?familyId=${familyIdToUse}`);
         const data = await res.json();
 
         if (data.children?.length > 0) {
@@ -62,9 +66,16 @@ export function FamilyProvider({ children: providerChildren }: { children: React
           setChildId(childList[0].id);
         }
 
-        setFamilyId("default");
-        setTier("free");
-        setMemberCount(2);
+        setFamilyId(familyIdToUse);
+
+        // Get tier and limits from family
+        const familyRes = await fetch(`/api/family?familyId=${familyIdToUse}`);
+        const familyData = await familyRes.json();
+
+        if (familyData.family) {
+          setTier(familyData.family.tier || "free");
+          setMemberCount(familyData.family.max_members || 2);
+        }
       } catch (err) {
         console.error("Failed to fetch family:", err);
       } finally {
@@ -95,12 +106,3 @@ export function FamilyProvider({ children: providerChildren }: { children: React
     </FamilyContext.Provider>
   );
 }
-
-// Note: Call useFamily() in any page to get:
-// - familyId: The current family ID
-// - childId: The selected child ID
-// - child: The selected child object
-// - children: List of all children
-// - loading: Whether data is loading
-// - tier: "free" or "pro"
-// - memberCount: Number of family members

src/app/api/auth/signin/route.ts

@@ -1,7 +1,5 @@
 import { NextResponse } from "next/server";
-import { db } from "@/db";
-import { users } from "@/db/schema/auth";
-import { eq } from "drizzle-orm";
+import { sql } from "@/db";
 
 export async function POST(request: Request) {
   const { email } = await request.json();
@@ -11,23 +9,44 @@ export async function POST(request: Request) {
   }
 
   try {
-    // Find or create user
-    let user = await db.query.users.findFirst({
-      where: eq(users.email, email),
-    });
+    // Find user
+    const users = await sql`
+      SELECT u.id, u.email, fm.family_id as family_id
+      FROM users u
+      LEFT JOIN family_members fm ON fm.user_id = u.id
+      WHERE u.email = ${email}
+      LIMIT 1
+    `;
 
-    if (!user) {
-      const [newUser] = await db
-        .insert(users)
-        .values({ email })
-        .returning();
-      user = newUser;
+    if (!users || users.length === 0) {
+      return NextResponse.json({ error: "User not found" }, { status: 404 });
     }
 
-    // For demo, just return success - in real app, send magic link via email
-    return NextResponse.json({ success: true, userId: user.id });
+    const user = users[0];
+    const familyId = user.family_id;
+
+    // Get family info
+    let family = null;
+    if (familyId) {
+      const families = await sql`
+        SELECT id, name, tier, max_children, max_members
+        FROM families WHERE id = ${familyId}
+      `;
+      if (families.length > 0) {
+        family = families[0];
+      }
+    }
+
+    // Return user and family info
+    return NextResponse.json({
+      success: true,
+      userId: user.id,
+      email: user.email,
+      familyId: familyId,
+      family: family,
+    });
   } catch (error) {
-    console.error(error);
+    console.error("Signin error:", error);
     return NextResponse.json({ error: String(error) }, { status: 500 });
   }
 }

src/app/login/page.tsx

@@ -19,8 +19,21 @@ export default function LoginPage() {
         body: JSON.stringify({ email }),
       });
 
-      if (res.ok) {
+      const data = await res.json();
+
+      if (data.success) {
+        // Store user and family info
+        localStorage.setItem("user_id", data.userId);
+        localStorage.setItem("user_email", data.email);
+        if (data.familyId) {
+          localStorage.setItem("family_id", data.familyId);
+        }
+        if (data.family) {
+          localStorage.setItem("family", JSON.stringify(data.family));
+        }
         router.push("/");
+      } else {
+        alert(data.error || "Sign in failed");
       }
     } catch (err) {
       console.error(err);