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CORRECTION: the app_oom alarm DID fire - R-635 was wrong, R-636 opened
The operator produced the mails. The controller HAS an OOM detector (main.go:821), it emits
app_oom (notifier.go:726), the hub allow-lists it (dispatcher.go:636) and delivered it to the
OPERATOR channel - two mails, 11:09 and 17:48 CEST, each naming the app and linking the dashboard.
CUSTOMER skipped, correctly.

I asserted an absence without opening the hub's Events or Notifications tab, reasoning instead from
a memory note that said the signal was UNPROVEN - not that it was missing. That is R-628's shape
again, from the same hand, four days later.

R-636: the real defect is the signal's SHAPE. notifier.go:715-724 keys on container|startedAt and
emits once per container lifetime, so 4530 worker kills over six hours produced exactly one
warning-level mail - indistinguishable from one transient kill. The magnitude was already collected
(App Telemetry: RomM 5023 errors, 632 warnings) but nothing turns it into a louder event.

Memory note lxc-docker-oom-signals-unreliable corrected with the positive reading.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0159rPz1ZhFKsS53msqPYxtS
2026-09-22 20:13:41 +02:00
..

Felhom — Documentation

Felhom is a managed home-server service for Hungarian households, built on a three-component model over Proxmox:

  • Hub — operator backend on k3s (hub.felhom.eu). Repo: felhom.eu/hub/.
  • Host agent — one per Proxmox host; operator-tier; owns all Proxmox interaction. Repo: felhom-agent/.
  • In-guest controller — one per customer LXC; Docker-only; manages the customer's apps. Repo: felhom-controller/.

This directory is the central, code-verified documentation home for all three components plus the platform and the security-audit record.

Sections

Controller (in-guest) — controller/

The Docker-only app-domain controller. Full per-area docs grounded in current source (v0.59.0). → controller/README.md: module map, deploy & stack lifecycle, backup architecture, storage/monitoring/metrics, auth/hub/sync/integrations.

Where we stand — architecture/where-felhom-stands.*

The operator's one-page picture of what is proven, built, partial and missing.

Host agent & platform — architecture/, proxmox-platform.md

The operator-tier agent and the Proxmox platform.

Hub (operator backend) — architecture/05

Security audits & remediation — audits/

Spike & test findings — tests/

Per-slice spike/validation findings (phases 0–5, slices 7–10). See tests/.

Conventions

  • Code-verified, not memory-derived. Architectural claims here are checked against the actual current source; if a claim can't be verified it is omitted and flagged, not guessed.
  • Per-repo operational working files (CLAUDE.md, CONTEXT.md, CHANGELOG.md, BUGHUNT.md, REPORT.md, TASK.md) live in their own repos — they are operational, not published docs.
  • Authoritative versions at last refresh: controller v0.59.0, agent v0.29.1, hub v0.11.0.