memory: snapshot — FV cutover executed, BMC online, four GPUs not two

Captures the Fountain Valley cutover as executed rather than planned: fv-ml1
live on 10.251/16 and serving, BMC recovered after finding it was tagging
802.1q VLAN 250 into an untagged port, and the corrected four-GPU / 391 GB
count that invalidates prior sizing assumptions.

Also records two things that cost real time and would cost it again: OPNsense
write APIs need an X-CSRFToken scraped from a script block, not a hidden form
input, and a 403 that coincides with the box going down looks exactly like a
successful reboot.

Auto-archived 8 settled entries (Recent decisions: 8). The index stays over
the 300-line cap at 385 because the guards hold -- nearly every remaining
dated entry is under 14 days old or carries open deferred work, and an
over-cap file that keeps live decisions beats a scannable one that lost any.

archival-memory.md

@@ -4,6 +4,31 @@ _Entries moved out of persistent-memory.md to keep the active file scannable. Re
 
 ## Recent decisions (archived)
 
+- `[2026-08-28]` **althing v3 flag day (U9b) executed, then six releases to 3.1.1 in one afternoon — and the post office MOVED to nh3-docker.** Every v2 command deleted; 73 handles seeded and verified by set difference; 5,043 orphaned wake FIFOs deleted (v2 named them per-session+PID, v3 per-handle). Image now registry-pulled, digest-pinned, under the `claude-bot` namespace. → `persistent-memory.d/2026-08-28-althing-v3-cutover.md`
+  _Archived 2026-09-12._
+
+- `[2026-08-28]` **A stale `ALTHING_HANDLE` silently reads another agent's inbox and reports it empty — a SECOND route into the failure v3 exists to prevent.** Outbound mis-signing sometimes gets caught; inbound never does. Shipped as a 3.1.1 warning. ⚠ My `session_handles.json` grounding was wrong (v2 artifact, v3 never opens it) and the same stale source had survived inside my statusline rewrite. → `persistent-memory.d/2026-08-28-handle-resolution-wrong-inbox.md`
+  _Archived 2026-09-12._
+
+- `[2026-08-28]` **nh3-dev's three OOM events attribute to CLAUDE CODE, and the "no kernel evidence" was a permissions artifact.** journald was persistent all along; `journalctl` silently shows only your own messages outside `adm`. Single CC sessions measured 5.4-18.4 GB, so 27 GB is 3-4 long-lived sessions. sysstat + atop now instrument the ramp. → `persistent-memory.d/2026-08-28-nh3-dev-oom-attribution.md`
+  _Archived 2026-09-12._
+
+- `[2026-08-28]` **`sec` moved to ana-ml2 GPU0 and is serving** (operator-directed) — GPU1 had ~28 GB free against the ~51 GB it reserves, so it could not start there. Re-arms the two-GPU load condition on a circuit that tripped 36h earlier; accepted with the constraint stated. → `persistent-memory.d/2026-08-28-sec-seat-gpu0.md`
+  _Archived 2026-09-12._
+
+- `[2026-08-28]` **BELAYED by the operator, both explicitly: (a) a cgroup memory cap on CC sessions, (b) putting ana-gw + ana-wg + one BMC on separate power.** Both were my recommendations; neither is open work. Do not re-raise as new — the atop ramps that would inform (a) are now being collected, so revisit only with a week of data. Tracking surface: this entry.
+  _Archived 2026-09-12._
+
+- `[2026-08-28]` **The deployed CC plugin copies are a release step nobody owns.** `sync_skill.sh` covers the SKILL, not the plugin; both copies must be rsync'd from the repo's `plugin/` on every althing release or they carry the previous release's bugs into the live surface. Raised with forseti for their release notes. Tracking surface: althing thread `01M14QHZNDKDK8KH9DN92VF6VE`.
+  _Archived 2026-09-12._
+
+- `[2026-08-28]` **althing v3.0.0 flag day (U9b) executed — the post office replaced the P2P bus on both boxes, one-way.** 73 handles seeded and verified by set difference; 5,043 orphaned v2 wake FIFOs deleted (v2 named them per-session+PID and never reaped; v3 names them per-handle, so the leak is bounded by construction); v2 db left inert. → `persistent-memory.d/2026-08-28-althing-v3-cutover.md`
+  _Archived 2026-09-12._
+
+- `[2026-08-28]` **nh3-dev's three OOM events attribute to CLAUDE CODE — and the "no kernel evidence" was a permissions artifact.** journald was persistent all along; `journalctl` silently shows only your own messages outside `adm`. Single CC sessions measured at 5.4-18.4 GB, so 27 GB is 3-4 mature sessions, not the ~66 a 408 MB estimate implies. sysstat + atop now instrument the ramp. → `persistent-memory.d/2026-08-28-nh3-dev-oom-attribution.md`
+  _Archived 2026-09-12._
+
+
 - `[2026-08-09→10]` **dots.tts (rednote-hilab) TTS burn-in on irv-ml1 + canonical voice corpus built (`voices/`).** Operator-directed eval to potentially replace chatterbox-fast. **dots.tts VERIFIED real** (canonical HF ns `dots-studio/`, `rednote-hilab/dots.tts-*` redirects there; Apache-2.0; PyPI `dots.tts` 0.2.1; 2B continuous-AR = semantic enc + Qwen2.5-1.5B LLM + flow-matching acoustic head over 48kHz AudioVAE; zero-shot clone from wav+transcript). **Runs on Ampere 3090** (sm_86, bf16, no fp8 dep); **optimized RTF 0.22** at num_steps=10 (`from_pretrained(..., optimize=True)` CUDA graphs — raw unoptimized was 1.21), **~6GB VRAM**, 48kHz, streams (`generate_stream`). Venv+cache at `irv-ml1:/home/lkraven/dots-tts` (~10GB). **Operator design calls:** SGLang Omni serving (OpenAI `/v1/audio/speech`), transcribe-refs-first, `soar` variant. ⚠ Omni serves soar but its continuous-batching + streaming opts are **mf-only** (soar = single-request) — non-issue for ratatoskr's single-consumer RP surface. **KEY FINDING — dots is highly sensitive to an accurate AND sentence-bounded reference transcript:** mismatched transcript → 0.16s collapse; over-long/messy transcript → reference-audio BLEEDS as an output prefix; mid-clause trim → dangling-word leak (glados "we'll", emmie "And,"). RECIPE (baked into `voices/derive.py`): trim ref to a clean ~6–10s clip ending on a sentence boundary + accurate transcript of exactly that clip. **CANONICAL VOICE CORPUS** stood up in eshpfi `voices/` (operator idea): engine-agnostic `canonical/<v>.wav` + `transcripts/<v>.txt` → per-engine ref sets DERIVED by `derive.py` reading `engines.yaml` profiles (dots/chatterbox/zonos); canonical wavs git-tracked (small/curated), `derived/` gitignored. **4 voices optimized + verified CLEAN for dots: donut, glados, emmie, miranda** (glados canonical is low-SR 16kHz — flagged upgrade candidate). ⚠ GPU GOTCHA: irv-ml1 native CUDA orders **A6000=device0** (ComfyUI-full) — pin the 3090 with `CUDA_DEVICE_ORDER=PCI_BUS_ID CUDA_VISIBLE_DEVICES=0`; and `PYTORCH_CUDA_ALLOC_CONF=expandable_segments` CONFLICTS with `optimize=True` CUDA graphs (curr_block error). Booths: `dots-vs-chatterbox`, `dots-voices-optimized`. **SHIPPED 2026-08-10:** operator A/B verdict "dots is very good" → containerized as a **thin FastAPI wrapper over DotsTtsRuntime** (chosen over SGLang Omni — Omni's batching is mf-only, unneeded for ratatoskr's single consumer; wrapper is SERIALIZED one-gen-at-a-time via a threading.Lock, Omni+mf = parked API-compatible escalation if multi-consumer ever lands). **LIVE on irv-ml1:8198** (`local/dots-tts:v1`, OpenAI `/v1/audio/speech` + `/health` + `/v1/voices`, container healthy, both stream + non-stream verified CLEAN, 4 voices donut/glados/emmie/miranda) alongside chatterbox :8197 (nothing repointed). Stack = `stacks/dots-tts/` (Dockerfile/app.py/compose/.env.example/README). ⚠ CONTAINER GOTCHA: `optimize=True` (torch.compile/inductor/triton) needs a **C compiler at RUNTIME** — slim image must `apt install build-essential` or model-load dies "Failed to find C compiler" (host venv had gcc ambient, masking it); persist `TORCHINDUCTOR_CACHE_DIR` to a mounted dir or every restart re-JITs ~5min. Corpus home = eshpfi `voices/` (operator ruled keep-here). **REMAINING: ratatoskr client cutover** to :8198 `/v1/audio/speech` (Phase-2 tail, peer-coupled — draft the ask). [[reference_chatterbox_fast_repo]] [[reference_zonos_tts_stack]] [[reference_verify_hf_repo_ids_before_pull]]
   _Archived 2026-09-11._