Fix UUID join in auth.ts

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

@@ -101,7 +101,7 @@ export async function POST(request: Request) {
     const users = await sql`
       SELECT u.id, u.email, u.password_hash, fm.family_id as family_id
       FROM users u
-      LEFT JOIN family_members fm ON fm.user_id = u.id
+      LEFT JOIN family_members fm ON fm.user_id::text = u.id::text
       WHERE u.email = ${email}
       LIMIT 1
     `;

src/lib/auth.ts

@@ -36,7 +36,7 @@ export async function validateSession(): Promise<AuthResult> {
       SELECT s.user_id, s.expires, fm.family_id as family_id, f.name as family_name, f.tier
       FROM sessions s
       JOIN users u ON u.id::text = s.user_id::text
-      LEFT JOIN family_members fm ON fm.user_id::text = s.user_id::text
+      LEFT JOIN family_members fm ON fm.user_id::text = u.id::text
       LEFT JOIN families f ON f.id = fm.family_id
       WHERE s.session_token = ${sessionToken}
       AND s.expires > NOW()