Reorganize: llm/docs -> docs/LLM (LLM fleet knowledge base)

The LLM fleet documentation (deployment runbook, model runbooks,
benchmarks, research archive, retired-topology history) joins the
project knowledge base as docs/LLM/. Wikilinks resolve by filename,
so no link updates are needed for the move.

docs/LLM/ling-3.0-flash-vllm-plan.md

@@ -0,0 +1,10 @@
+# Ling-3.0-flash on Dankclaw — vLLM-ROCm Deployment Plan (never shipped)
+
+This page was the plan for a vLLM-ROCm deployment of
+`jcbtc/Ling-3.0-Flash-CIRU-int4-Strix-native` (INT4 W4A16, ~62 GB) on
+Dankclaw. The deployment never shipped. The actual Ling work used the
+llama.cpp Q6_K fork trial instead: [[ling-3.0-flash-trial]].
+
+The trial service (`frank-large-ling`) is retired and disabled under the
+boot policy (2026-08-17). `frank-default-large` is the Qwen3.8-27B PP
+head, not the Ling path. See git history for the full decision table.