docs: boot policy (only PP units enabled), deploy.sh dankserver hazard, stale-claim cleanup

- deployment.md: Boot Policy (2026-08-17) section (disabled units table,
  re-enable recipes, stale frank-restart-small.sh helper, broken
  deploy.sh dankserver target); Update Dankserver -> frank-pp-worker;
  condensed retired 35B history block and 2026-08-13 incident
- AGENTS.md: boot-policy note, target map fix (Q6_K, split 0.68),
  deploy.sh dankserver warning, obsolete quirk entries condensed
- README.md: rewrite active services/models tables (PP head + worker)
- index.md: topology fix (qwythos:9b, Q6_K split 0.68, NPU disabled)
- qwen3.8-spec-matrix.md: superseded configs merged into compact
  history; stale inline env block removed; bundled-head MTP note
- FastFlowLM, PP Deployment: boot-policy + enablement notes
- System Specs x2, DFlash doc, 35B FP8 doc, Ling docs: stale active
  claims fixed, retired banners, never-shipped plan stubbed

docs/ling-3.0-flash-trial.md

@@ -1,5 +1,7 @@
 # Ling-3.0-flash Q6_K Trial on Dankclaw
 
+> **RETIRED 2026-08-17.** The `frank-large-ling` unit is disabled under the boot policy. `frank-default-large` now runs the Qwen3.8-27B PP head, not the Qwen3.6-27B config described in the (obsolete) switch-back section below.
+
 This page records the Ling-3.0-flash trial that temporarily replaced
 `frank-default-large` on Dankclaw. It replaces the Qwen3.6-27B service on
 port 7770 under the same API alias.
@@ -83,18 +85,13 @@ B) switch back to Qwen3.6-27B (frank-default-large, MTP n_max 3).
 Passwordless management is installed:
 `/usr/local/sbin/frank-restart-ling.sh` and `/etc/sudoers.d/frank-ling`.
 
-## Switch Back to Qwen3.6-27B (MTP)
+## Switch Back (obsolete)
 
-The Qwen config was not changed. It remains committed as
-`frank-default-large.service` / `serve-llama-frank-large.sh` /
-`frank-default-large.env` (draft-mtp, n_max 3, ubatch 8192).
-
-Run these commands:
-
-```
-sudo systemctl stop frank-large-ling
-sudo systemctl start frank-default-large
-```
+The switch-back commands below are obsolete. `frank-default-large` now
+runs the Qwen3.8-27B pipeline-parallel head. To restore a Ling trial,
+re-enable `frank-large-ling` from the repo unit
+(`scripts/frank-large-ling.service`) and serve script
+(`scripts/serve-ling-flash.sh`), then start it on a non-conflicting port.
 
 ## Caveats