HH-445: deploy production observability and runbooks (#96)

* HH-445: deploy production observability and runbooks

* fix(ops): share production database DSN

* fix(HH-445): enforce database TLS gate

* fix(HH-445): preserve production serve command

* fix(prod): require external database dependencies

* fix(prod): unify database host rejection gates

* test(prod): enforce exact database TLS runbook contract

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Co-authored-by: Rogee <rogee@ipao.vip>

docs/README.md

@@ -120,6 +120,8 @@ M01-M12 模块的 Chatwoot 功能梳理文档，基于 Chatwoot 源码深度阅
 | 文档 | 说明 |
 |------|------|
 | [ops/01-rolling-upgrade.md](ops/01-rolling-upgrade.md) | 滚动升级策略 — 蓝绿部署、数据库迁移、健康检查 |
+| [ops/02-production-operations.md](ops/02-production-operations.md) | 生产预检、TLS、容量、轮换、事故、日志、停服与灾备 runbooks |
+| [ops/03-observability-drill.md](ops/03-observability-drill.md) | 告警/恢复/日志链路演练与非作者验收证据模板 |
 
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