Fix: Infinite recursion in team_members RLS (Phase 8 Governance)

database/fix_teams_rls_governance.sql

@@ -16,11 +16,7 @@ CREATE POLICY "Teams are readable by members" ON public.teams
   FOR SELECT TO authenticated
   USING (
     created_by = auth.uid()
-    OR EXISTS (
-      SELECT 1 FROM public.team_members
-      WHERE team_members.team_id = id
-        AND team_members.user_id = auth.uid()
-    )
+    OR public.is_team_member(id)
   );
 
 -- 4. Re-implement Team Members Select Policy
@@ -28,11 +24,8 @@ CREATE POLICY "Teams are readable by members" ON public.teams
 CREATE POLICY "Team members are readable by team" ON public.team_members
   FOR SELECT TO authenticated
   USING (
-    EXISTS (
-      SELECT 1 FROM public.team_members AS m
-      WHERE m.team_id = team_members.team_id
-        AND m.user_id = auth.uid()
-    )
+    user_id = auth.uid()
+    OR public.is_team_member(team_id)
   );
 
 -- 5. Ensure the is_team_member function is robust and uses search_path