docs(dev): add sofiia-console post-release review template

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docs/release/sofiia-console-post-release-review-template.md

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+# Sofiia Console Post-Release Review Template
+
+Короткий review після кожного релізного вікна (½-1 сторінка).
+
+## 1) Release Metadata
+
+- Date / Time window:
+- Target nodes: `NODA1` / `NODA2`
+- Deployed SHAs:
+  - sofiia-console:
+  - router:
+  - gateway:
+  - memory-service:
+- Operator(s):
+
+## 2) Preflight Outcome
+
+- STRICT mode result: `PASS` / `WARN` / `FAIL`
+- WARN items worth noting:
+  - 
+
+## 3) Smoke Results
+
+- `/api/health`:
+- `/metrics`:
+- Redis idempotency A/B:
+- `/api/audit` auth check (401/200):
+- Audit write/read quick test:
+
+## 4) Observed Metrics (first 15-30 min)
+
+- 5xx count:
+- `sofiia_rate_limited_total` (chat / operator):
+- `sofiia_idempotency_replays_total`:
+- Unexpected spikes?:
+
+## 5) Incidents / Anomalies
+
+- What happened?:
+- Root cause (if known):
+- Mitigation applied:
+- Rollback needed?: `yes` / `no`
+
+## 6) What Went Well
+
+- 
+- 
+
+## 7) What Was Friction
+
+- Manual steps:
+- Confusing logs/output:
+- Missing visibility:
+
+## 8) Action Items
+
+- [ ] 
+- [ ]