sightsound: move FLM NPU endpoint port 52626 -> 7771

Env file is the source of truth (unit ExecStart runs the serve script which
sources it); serve-script default and the deployer health-gate URL flipped in
lockstep so the post-restart health gate polls the new port. Docs, fleet table,
and both index bullets updated to match.

AGENTS.md

@@ -28,7 +28,7 @@ host.
 |--------|---------|---------|-------|------|
 | Dankserver | FreeToken v0.1.2 | frank-default-small | batsclamp Huihui-Qwen3.6-35B-A3B-abliterated-FP8 (block-fp8 e4m3 128x128, ~35 GB safetensors), experts host-RAM LRU, 262144 ctx / 4 concurrent, reasoning on | 7770 |
 | Dankclaw | kingjones30/ROCmFPX llama.cpp (card-pinned fork) | frank-default-large | kingjones777 Qwen3.8-Flash-Next-ROCmFP4-STRIX (113.47 GiB single GGUF, Q4_0_ROCMFP4_STRIX, PLE streams via mmap), 401408 ctx / 2 slots, fa on, no spec decode, reasoning on | 7770 |
-| Dankclaw | FastFlowLM (FLM) v1.0.1 (`flm serve`, dpkg `fastflowlm`) on the XDNA2 NPU | frank-default-sightsound | Gemma4-E4B-IT-NPU2 pack (vision + audio towers); whole local registry served on one port, per-request routing by exact FLM tag; `iommu=pt` boot arg mandatory (SVA bind needs enabled IOMMU) | 52626 |
+| Dankclaw | FastFlowLM (FLM) v1.0.1 (`flm serve`, dpkg `fastflowlm`) on the XDNA2 NPU | frank-default-sightsound | Gemma4-E4B-IT-NPU2 pack (vision + audio towers); whole local registry served on one port, per-request routing by exact FLM tag; `iommu=pt` boot arg mandatory (SVA bind needs enabled IOMMU) | 7771 |
 
 History: the 2026-08-17 redo retired the pipeline-parallel split and the
 FastFlowLM NPU endpoint. The 2026-08-18 swap retired the vLLM service on
@@ -286,7 +286,7 @@ When you rename a service or move a model to a new host, update
 
 The third inference endpoint on Dankclaw. The `flm serve` runtime (dpkg
 package `fastflowlm`, v1.0.1, binary `/usr/bin/flm`) serves the **whole local
-model registry** (36 tags at first deploy) on a single port — 52626 — and
+model registry** (36 tags at first deploy) on a single port — 7771 — and
 routes chat completions per request by the exact FLM registry tag in the
 `model` field. Unknown tags do NOT 404: `/v1/chat/completions` answers HTTP 200
 with `{"error":"Failed to load <tag> model!"}` and no choices (status-only