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R-172's root cause was not tuning — the WAL/busy_timeout pragmas had never been applied, because the DSN used mattn/go-sqlite3 syntax against modernc.org/sqlite, which ignores unknown parameters without an error. Recorded that way so nobody re-reads it as "SQLite was slow". R-173 NEW: while establishing who copies hub.db for the WAL change, found pvc/hub-data labelled recurring-job-group.longhorn.io/default: disabled, with backup-daily and backup-weekly the only recurring jobs and both on the default group — so the hub database has no volume-level backup, and it holds every box's break-glass root password plus the escrow custody records. Filed, not fixed: whether the exclusion is deliberate is an operator question. The session report is REPORT-r172-hub-wal.md, not REPORT.md, per the parallel-session rule — REPORT.md belongs to the controller session that ran immediately before this one. It also records, plainly, that a 60-concurrent load test I ran OOM-killed the hub pod three times against a 256Mi limit. Not the WAL change, and not a test I should have run against a Tier-2 box; the unit tests already proved the property.
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.
Host agent & platform — architecture/, proxmox-platform.md
The operator-tier agent and the Proxmox platform.
architecture/01-topology-and-trust.md— topology & trust modelarchitecture/03-host-agent.md— the host agent (Go; v0.29.1)architecture/04-control-plane-authorization.md— signing, escrow, authzarchitecture/02-controller-module-map.md— historical v0.33 planning map; the live map iscontroller/module-map.mdproxmox-platform.md— Proxmox platform reference
Hub (operator backend) — architecture/05
architecture/05-hub-architecture.md— hub architecture (v0.11.0)
Security audits & remediation — audits/
audits/deep-sweep-2026-06-13.md— cross-repo deep audit (controller + agent) with remediation statusaudits/bughunt-reconcile-2026-06-13.md— reconciliation of the v0.30.3 BUGHUNT against current code + merged fix list
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.