fix: restrict team RLS policy to members only

pubspec.yaml

@@ -92,7 +92,7 @@ flutter:
   # To add assets to your application, add an assets section, like this:
   assets:
     - .env
-    - ELL-ena-logo/
+
   # assets:
   #   - images/a_dot_burr.jpeg
   #   - images/a_dot_ham.jpeg

sqls/02_user_auth_policies.sql

@@ -22,8 +22,9 @@ ALTER TABLE users ENABLE ROW LEVEL SECURITY;
 CREATE POLICY "Team members can view their team" 
   ON teams FOR SELECT 
   USING (
-    -- Everyone can see all teams for now (we'll restrict this later if needed)
-    TRUE
+    id IN (
+      SELECT team_id FROM users WHERE id = auth.uid()
+    )
   );
 
 CREATE POLICY "Only admins can update their team"