frank-large: document the ik_llama.cpp deployment and the decode performance campaign

- Runbook with the measured envelope (prefill ~192 t/s at the VNNI ceiling;
  decode ~3.8-4.3 t/s gated by 100 backend splits/token, GPU 95% idle), the
  root-cause evidence chain, tuning levers, and co-tenancy traps
- AGENTS.md: fleet topology row + Active Services section for the ik
  deployment; halogen demoted to rollback; bench policy unit type fixed
- LLM + root indexes relinked (frank-large-ik-uncensored ACTIVE,
  halogen-flash-server retired)

serverAppConfigs-docs/LLM/index.md

@@ -1,10 +1,10 @@
 # LLM Fleet — Knowledge Base
 
 Documentation for the LLM inference fleet on the two hosts
-(2026-09-15): charlie12345/ROCmFPX llama.cpp on Dankserver (frank-medium,
+(2026-09-16): charlie12345/ROCmFPX llama.cpp on Dankserver (frank-medium,
 kingjones777 Qwen3.8-27B-ROCmFPX-Q8_0-AGENT on 2x Radeon AI PRO R9700) and
-halogen-flash-server 0.5.8 on Dankclaw (frank-large, peonist-ai
-Qwen3.8-Flash-Next w4b).
+ik_llama.cpp on Dankclaw (frank-large, mradermacher Qwen3.8-Flash-Next-
+Uncensored i1-Q4_K_M on the RTX 3090 + Strix Halo hybrid).
 
 > 2026-08-22: the former `vllmScripts` repository is merged into the
 > serverAppConfigs repository. This knowledge base moved from the old repo's
@@ -26,11 +26,12 @@ layer split, 131k ctx / 1 slot, MTP]
     end
 
     subgraph Dankclaw[AMD Strix Halo - Ubuntu 26.04]
-        E2[gfx1151 iGPU 64 GiB unified memory]
-        E[halogen-flash-server 0.5.8
+        E2[RTX 3090 (PCIe x4 dock) +
+gfx1151 iGPU 64 GiB unified memory]
+        E[ik_llama.cpp master d85a1d7
 frank-large, port 7770]
-        F[peonist-ai Qwen3.8-Flash-Next
-w4b .hgn + overlay, 262k ctx / 4 slots]
+        F[mradermacher Qwen3.8-Flash-Next-Uncensored
+i1-Q4_K_M GGUF, 262k ctx / 1 slot, vision]
         E2 --> E --> F
     end
 
@@ -58,8 +59,13 @@ w4b .hgn + overlay, 262k ctx / 4 slots]
   (bs1/bs3/bs4/bs6, 8k–700k KV) on Dankserver RTX 3090
 - [[deployment]] — deploy and update process for both servers
 - [[frank-redo-2026-08-17]] — the 2026-08-17 topology change
-- [[halogen-flash-server]] — ACTIVE frank-large runbook since 2026-09-11:
-  peonist-ai/halogen-flash-server 0.5.8 serving
+- [[frank-large-ik-uncensored]] — ACTIVE frank-large runbook since
+  2026-09-15: ik_llama.cpp (root systemd unit) serving mradermacher/
+  Qwen3.8-Flash-Next-Uncensored-i1-Q4_K_M on the RTX 3090 (dense/attention/
+  KV) + LPDDR (experts/PLE) hybrid; measured performance envelope, the
+  decode root-cause chain, tuning levers, and the co-tenancy traps
+- [[halogen-flash-server]] — RETIRED 2026-09-15 (rollback target): the
+  peonist-ai halogen-flash-server 0.5.8 runbook serving
   peonist-ai/halogen-qwen3.8-flash-next (Qwen3.8-Flash-Next w4b .hgn +
   quality overlay), rootless Quadlet container on Dankclaw port 7770 —
   deployed flags, memory model, client contract, troubleshooting