tasks(books-vds-stacks-to-portainer): close 🟢 — 6 stacks migrated SSH-compose → Portainer

Phase 2 ladder executed 2026-05-25 (~10min end-to-end, lowest → highest blast radius):
  proxy-chain (id 28) → imgproxy (29) → minio (30) → mongo (31) → books-db (32) → elasticsearch (33)

All 6 smoked green. books-api + books-task-runner reconnected transparently through
mongo + books-db recreate windows. ES snapshot repo `kreknin` preserved through bind.

Phase 3:
- created .wiki/concepts/portainer-stack-management-books-vds.md (pattern application + diffs from vds-kzntsv)
- entity books-vds.md: 6 stacks flipped SSH-managed → Portainer-managed
- index.md: new concept entry

Pre-flight quirks documented (CentOS 7 yum dead, no jq, no docker login).

Acceptance: 4/5 verified, backup pipeline (#5) verified by inspection (bind paths
preserved) — full pipeline run pending next 06:00 MSK.

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

.wiki/index.md

@@ -32,6 +32,7 @@ Catalog of all wiki pages. One line per page, organized by type. Updated on ever
 - [mssql-on-vds](concepts/mssql-on-vds.md) — MSSQL Express 2022 Linux на VDS — миграция + login orphan fix + traefik TCP gotchas
 - [ocis-on-vds-deploy-recipe](concepts/ocis-on-vds-deploy-recipe.md) — oCIS на VDS — deploy recipe + non-obvious gotchas (UID 1001 vs 1000, basic auth, LibreGraph user-create)
 - [portainer-2.21-admin-password-regression](concepts/portainer-2.21-admin-password-regression.md) — Portainer 2.21 `--admin-password` regression + min 12-char policy
+- [portainer-stack-management-books-vds](concepts/portainer-stack-management-books-vds.md) — Portainer-managed stacks на books VDS — pattern application + migration log 2026-05-25
 - [portainer-stack-management-vds](concepts/portainer-stack-management-vds.md) — Portainer-managed stacks на VDS — canonical pattern + migration script + gotchas
 - [recovery-architecture-snapshot](concepts/recovery-architecture-snapshot.md) — текущая recovery architecture (2026-05-19/21, attempt 2)
 - [registry-gc-mount-and-modify-flag](concepts/registry-gc-mount-and-modify-flag.md) — Docker Registry GC mount layout + `-m` flag