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Frank c71a3066c0 frank-large: host-RAM pin-gate preflight in serve-frank-large.sh 
The 2026-10-06 cutover crash-looped frank-large 8 boots (03:09:39-03:11:42):
the engine's pin gate refused to start while host MemAvailable was ~74.7 GiB,
3.34 GiB short of the 78.11 GiB it needs (62.11 GiB checkpoint + 16 GiB floor).
It self-resolved in ~2 min when the dying 27B engine freed RAM, but left the
host with only ~1.8 GiB MemAvailable - a restart would crash-loop again.

serve-frank-large.sh now checks MemAvailable against the pin gate BEFORE
podman run and WAITS up to FRANK_LARGE_RAM_WAIT (default 600 s) for the RAM
to clear, so a transient dip boots once instead of crash-looping; if it never
clears it refuses loudly. The 16 GiB floor is the engine's (not
HALOGEN_HOST_RESERVE_GIB=20, a separate overall-budget knob).

frank_large_unit.bats: FRANK_LARGE_MEMINFO seam + a refuse test. Runbook +
log: the pin-gate law, the incident, and the fix.
 2026-10-06 12:58:34 -07:00
Frank 2d89bf97cc docs: frank-large flash-server v2 cutover — runbook, index, AGENTS.md 
- New runbook: frank-large-flash-server-v2-swift15.md (engine, shape,
  memory model, engine laws, boot ledger, probes, rollback)
- LLM/index.md: active entry + retired halogen 27B entry
- Vault index: link the new runbook from the LLM Fleet section
- AGENTS.md: fleet topology table, Model Config section,
  Runbook Index, retired table (halogen 27B → 10-06)
 2026-10-06 03:35:27 -07:00