feat(ui): add maintenance page for task management

* Implement maintenance page with task and log display
* Add backfill and metadata retry functionality
* Integrate grid component for project display in thoughts page
* Update types for maintenance tasks and logs
* Enhance sidebar and shell for new maintenance navigation

migrations/100_rls_and_grants.sql

@@ -39,4 +39,17 @@ GRANT ALL ON TABLE public.project_guardrails TO amcs;
 -- Chat Histories (018)
 GRANT ALL ON TABLE public.chat_histories TO amcs;
 
-GRANT USAGE, SELECT ON ALL SEQUENCES IN SCHEMA public TO amcs;
+GRANT USAGE, SELECT ON ALL SEQUENCES IN SCHEMA public TO amcs;
+
+DO $$ 
+DECLARE 
+    r RECORD;
+BEGIN
+    FOR r IN 
+        SELECT tablename 
+        FROM pg_tables 
+        WHERE schemaname = 'public' -- Change 'public' to your schema name
+    LOOP
+        EXECUTE format('ALTER TABLE public.%I OWNER TO amcs', r.tablename);
+    END LOOP;
+END $$;