tasks(NEXT_SESSION): session-close — bookva tenant deep-debug + 6-bug post-mortem

Multi-fix session: bookva tenant works correctly после 6 fix'ов одной природы
(incomplete cutover-prep без e2e smoke). См. NEXT_SESSION.md § "What's LIVE"
+ § "Memory updates" + shared wiki concept tenant-overlay-config-volume-mount-path-pitfall.

Changes:
- host-stacks/books-vds/ops-mcp.compose.yml: add BOOKVA_MARIADB_PASSWORD env
  declaration + multi-tenant docs note. Stack 26 ещё не пере-PUT'нут на это,
  открытая микро-таска ops-mcp-multi-tenant-stack-activate в NEXT_SESSION.
- STATUS.md: 6-bug summary в latest update line.
- NEXT_SESSION.md: full rewrite с 14 recent commits, open треками, asks к user'у,
  memory updates про agenda.db.collection / composite jobId / scheduler envs /
  bookva auth tokens.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

.tasks/STATUS.md

@@ -1,4 +1,6 @@
 # Admin Task Board
+_Updated: 2026-05-27 (ночь) — bookva-tenant deep-debug session. 6 багов одной природы (incomplete cutover-prep): (1) bookva-web без config volume → slovo DB leak; (2) bookva-{api,scheduler,task-runner} mount path /app→/usr/src/app; (3) NITRO/NUXT env не reference'или в compose; (4) bookva-scheduler без RECONCILER_ENABLED → dry-run handlers; (5) bookva-scheduler без healthcheck → CI timeout; (6) deploy.yml svc=job-scheduler vs secret=SCHEDULER mismatch. + composite agendaJobId display fix + books-web config mount (slovo also missed) + jobs.post.js agenda.db.collection→MongoClient. Ingested wiki concept tenant-overlay-config-volume-mount-path-pitfall (shared). ops-mcp multi-tenant код в image готов но stack 26 ещё не пере-PUT'нут (next session)._
+
 _Updated: 2026-05-26 (поздний вечер) — `books-ops-mcp-host-promote` 🟢 **closed** в ту же сессию следом за заведением. Stack 26 (books-ops-mcp) in-place PUT в host-level compose без container churn. Stack 43 (bookva-ops-mcp) deleted. 2 Gitea secrets revoked. `victor/books ae3ab14` + `victor/bookva-overlay 50f5bbb` + `.admin` host-stacks/books-vds/ops-mcp.compose.yml. ops-mcp теперь management-plane (manual Portainer)._
 
 _Updated: 2026-05-26 (поздний вечер) — заведена `books-ops-mcp-host-promote` ⚪ (deploy run#437/439 валился на bookva-ops-mcp restart-loop → hot-fix `bookva-overlay 437d024` idle-stub interim → user ideology «books VDS = host, slovo/bookva = клиентские стэки» → promote `books-docker-proxy-ro`+`books-ops-mcp` в host-level stack, drop bookva-ops-mcp). Deploy run#440 зелёный._