fix: 隔离既有发布的数据库容器生命周期（09-05-existing-deploy-db-lifecycle-isolation）

.trellis/tasks/09-05-existing-deploy-db-lifecycle-isolation/implement.jsonl

@@ -0,0 +1,3 @@
+{"_example": "Fill with {\"file\": \"<path>\", \"reason\": \"<why>\"}. Put spec/research files only — no code paths. Run `python3 .trellis/scripts/get_context.py --mode packages` to list available specs. Delete this line once real entries are added."}
+{"file": ".trellis/spec/hyb-oa/deployment-trialrun.md", "reason": "既有部署身份、数据路径、迁移及备份验证边界"}
+{"file": ".trellis/spec/hyb-oa/security-privacy.md", "reason": "合成测试与生产敏感信息保护边界"}