MinAgent coupling: felhom-controller v0.143.0 gates its guest-memory-resize UI on
this agent (FeatureGuestMemoryResize, MinAgent 0.90.0).
R-24 guest RAM resize (internal/localapi/guestmemory.go): self-scoped GET/POST
/guest/memory. Agent enforces every bound FRESH per request (min 2048, max
host_total-2048, shrink floor max(2048, usage+512)); applies via PVE SetConfig —
live cgroup apply, no reboot (Phase-0 proven on the nested demo box). Verify-after-apply
re-reads maxmem before claiming success. New narrow MemoryOps seam (GuestAPI untouched);
Options.Memory nil -> 503. Memory only.
R-28 fast-tick (internal/fasttick): while any desired-state item is unapplied -
including the pre-tunnel window a hub poke can't reach - pulse the shared out-of-band
trigger every 30s, self-disarm on convergence. Four cached sources (desired-gen==0,
reconcile Planned-Pending>0, pbsdr waiting_secret only, wgtunnel desired-not-operational);
LOUD pbsdr states + pending_signature excluded. Seams: reconcile.Engine.LastResult() +
wgtunnel.Manager.TunnelConvergence() (cached, no per-tick exec).
Guests-0/0: hypothesis REFUTED live (9201 IS a pool member; 0/0 was the pre-provision
window; PoolAddVMID re-assert already covers restore-over-existing). No code change; the
fast-tick mitigates the window.
Tests + red-proofs (i floor guard, ii max guard, iii always-pulse) all restored green.
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