docs: session continuity file + claude-max-bridge /v1/responses fix

- Add RESUME.md for cross-session continuity (open items, key state, constraints)
- claude-max-bridge: implement /v1/responses (OpenAI Responses API) with
  previous_response_id chaining via server-side history injection into system prompt.
  Root cause of "session already in use": CLI leaves JSONL in un-resumable
  "dequeued" state after each --print run; fix avoids session reuse entirely.
  Also fixed: assistant content must be array-of-blocks not plain string (silent
  JS crash otherwise).
- LiteLLM: add pass_through_endpoints for /v1/responses → claude-max-bridge
- Storage, volumes, architecture docs reconciled (Vaultwarden → local zfs,
  Pocket-ID backup, WAL-G fix, apps/ decommission, Nextcloud CIFS→NFS)
- Add ideas/, proxmox-memory-audit.md, llm-benchmark.md (new docs this session)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

services/homelab-architecture.md

@@ -19,7 +19,7 @@ across ~23 compose stacks. Principle: **self-host everything**, OIDC SSO,
     (confirmed) — so ad/tracker blocking is network-wide despite DHCP not
     handing out AdGuard's IP directly.
   - `103` lxc **backrest** — Restic/Backrest backups (1c/0.5G)
-  - `104` lxc **docker** — **the primary `/opt/stacks` host** (16c/32G/215G) → `.40`
+  - `104` lxc **docker** — **the primary `/opt/stacks` host** (16c/48G/200G) → `.40`
   - `105` lxc **nextcloud** — Nextcloud (4c/8G/107G) → `.41`
   - `108` lxc **zoraxy** — reverse proxy (2c/2G) → `.4`
   - `110` lxc **id** — Pocket-ID OIDC IdP (1c/1G/4G) → `.5`; migrated off 104 on 2026-05-20
@@ -392,14 +392,14 @@ flowchart TB
     dns["CT 102 · dns<br/>(.2)<br/>AdGuard Home"]
     backrest["CT 103 · backrest<br/>(.3)<br/>Backrest / restic"]
     docker104["<b>CT 104 · docker</b><br/>(.40) · 16c/48G/200G<br/>~65 containers · Intel Arc passthrough"]
-    nc["CT 105 · nextcloud<br/>(.41)<br/>Nextcloud AIO (CIFS to UNAS)"]
+    nc["CT 105 · nextcloud<br/>(.41)<br/>Nextcloud AIO (NFS)"]
     zoraxy["CT 108 · zoraxy<br/>(.4)<br/>reverse proxy + ACME"]
     obs(["CT 109 · ops<br/>(.8) · <i>planned</i><br/>Prom / Graf / Arcane / Homarr / Tinyauth"])
     id["CT 110 · id<br/>(.5)<br/>Pocket-ID (moved here 2026-05-20)"]
     dev["CT 111 · dev<br/>(.42) · 12c/32G/60G<br/>Coder + Gitea + workspaces · Intel Arc"]
-    db(["CT 113 · db<br/>(.?) · <i>planned</i><br/>shared Postgres + pgbouncer"])
+    db["CT 113 · db<br/>(.6) · provisioned 2026-05-21<br/>shared Postgres + pgAdmin"]
   end
-  UNAS[("UNAS<br/>192.168.1.31<br/>NFSv3 + CIFS")]
+  UNAS[("UNAS<br/>192.168.1.31<br/>NFSv3")]
   UDM[["UDM-SE · 192.168.1.1<br/>UniFi gateway · DNS → AdGuard"]]
   Inet([Internet · ACME challenges · jottacloud · LiteLLM upstreams])