🔧 chore(auth): improve migration safety and docker setup

- Add safe-db-push.mjs script for safer database migrations
- Update docker-entrypoint.sh with db:push fallback when migrations fail
- Add validate-migrations.mjs script for CI migration validation
- Update CI workflow to use migration validation
- Update drizzle.config.ts with improved configuration

.github/workflows/ci.yml

@@ -72,6 +72,9 @@ jobs:
       - name: Type check
         run: pnpm run type-check
 
+      - name: Validate migrations (no destructive changes)
+        run: node scripts/validate-migrations.mjs
+
       - name: Lint
         run: pnpm run lint || echo "Lint warnings found"