docs: frank-large halogen runbook, AGENTS.md + indices for the swap

New runbook frank-large-halogen27b-dflash2.md; LLM + vault indices
re-pointed, ROCmFPX q6agent runbook marked RETIRED (rollback target);
AGENTS.md topology row, detail section, image-capability paragraph
(two endpoints accept images now), bench-law prose and runbook index
updated.

serverAppConfigs-docs/LLM/frank-large-rocmfpx-q6agent-uncensored-mtp.md

@@ -17,7 +17,11 @@ timestamp: 2026-10-03
 
 # frank-large — ROCmFPX Uncensored Q6_0_ROCMFPX_AGENT + MTP (gfx1151)
 
-> **ACTIVE since 2026-10-03.** Cut over from
+> **RETIRED 2026-10-03 → 2026-10-05 (rollback target; payload, fork build and
+> build script all on disk).** Replaced by [[frank-large-halogen27b-dflash2]]
+> (DFlash2, publisher 31.7 t/s mean vs the 27.6–28.1 measured here). This page
+> remains the contract record for the rollback. Original banner follows.
+> ACTIVE since 2026-10-03. Cut over from
 > [[frank-large-rocmfpx-q8agent-mtp]] (ALIGNED Q8_0_ROCMFPX_AGENT, 17.0 t/s)
 > on Frank's request: the *uncensored* variant of the same protected-heads
 > family, one quant rung down. The swap turned out to be a strict upgrade on