chore(ops): 新增退休非正式工作流定义脚本

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/retire-nonofficial-workflow-definitions.sql

@@ -0,0 +1,16 @@
+-- 退休非正式 active 工作流定义（保留 main / product_manager / test_manager）
+-- Dry-run:
+--   SELECT def_key, status FROM workflow_definitions
+--   WHERE status = 'active' AND def_key NOT IN ('main','product_manager','test_manager');
+-- 用法:
+--   psql "$DATABASE_URL" -f scripts/retire-nonofficial-workflow-definitions.sql
+
+BEGIN;
+
+UPDATE workflow_definitions
+SET status = 'retired',
+    updated_at = now()
+WHERE status = 'active'
+  AND def_key NOT IN ('main', 'product_manager', 'test_manager');
+
+COMMIT;