chore: full stack stability and migration fixes, plus react UI progress

migrations/20260317100000_move_users_to_auth.sql

@@ -0,0 +1,19 @@
+-- Move users and refresh_tokens to auth schema for better isolation and consistency
+CREATE SCHEMA IF NOT EXISTS auth;
+
+-- Move the tables (safe and idempotent)
+DO $$
+BEGIN
+  IF EXISTS (SELECT FROM pg_tables WHERE schemaname = 'public' AND tablename = 'users') THEN
+    ALTER TABLE public.users SET SCHEMA auth;
+  END IF;
+  IF EXISTS (SELECT FROM pg_tables WHERE schemaname = 'public' AND tablename = 'refresh_tokens') THEN
+    ALTER TABLE public.refresh_tokens SET SCHEMA auth;
+  END IF;
+END $$;
+
+-- Note: Postgres automatically updates foreign key references and indexes 
+-- when a table is moved to a different schema using SET SCHEMA.
+
+-- However, we might need to update any explicit cross-schema references in the future
+-- if we were to move to entirely separate databases. For now, they remain in the same DB.