db as source of truth: wiki→seeds, archive old artifacts, knowledge ingestion

- Migrations 010 (content_hash) + 011 (search tsvector column)
- new: internal/knowledge/seed.go — knowledge seed ingest engine
- new: internal/httpapi/knowledge.go — SearchKnowledge + GetEntityKnowledge
- wire knowledge ingest into oikos seed pipeline
- convert all 36 wiki docs + 6 investigations + 12 runbooks → seeds/knowledge.yaml
- archive: knowledge/wiki/→archive/, oikos/cards/→archive/, .hermes/plans/→archive/
- delete: 9 superseded Python kernel files, ledger/, mcp/build_host_files.py
- remove empty knowledge/ directory tree

archive/knowledge/containers/133-seanime.md

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+# seanime (LXC 133) — Seanime anime media server
+
+## Summary
+
+| Field | Value |
+|-------|-------|
+| VMID | 133 |
+| Host | strong |
+| Role | Anime media server (online streaming + torrent client) |
+| LAN IP | 192.168.8.248/28 (vmbr1) |
+| Public URL | https://seanime.hubris.network |
+| Backend | Seanime v3.9.0, systemd service |
+| Port | 43211 |
+
+## Mounts
+
+- `/anime` → `/mnt/media_local/anime` (ludo-lvm, bind mount) — existing anime collection
+
+## Services
+
+### Seanime (native binary)
+
+- Binary: `/opt/seanime/bin/seanime`
+- Data: `/opt/seanime/data/`
+- Config: `/opt/seanime/data/config.toml`
+- Service: `systemctl status seanime`
+- Flags: `--host 0.0.0.0 --port 43211 --datadir /opt/seanime/data --disable-password`
+- Config highlights:
+  - `secureMode = 'lax'` (allows non-local Caddy proxy)
+  - `trustedProxies = ['192.168.8.0/24']`
+
+### Torrent client (qBittorrent on arriman)
+
+- Host: `192.168.8.245:8080`
+- Auth: subnet whitelist (no password needed from homelab LAN)
+- qBittorrent config updated: `AuthSubnetWhitelist=192.168.8.0/24`
+
+### Extensions installed
+
+**Online streaming (8):**
+HiAnime, AniWatch, KickAssAnime, Anicrush, Animo, AniNeko, Senshi, Sudatchi
+
+## Caddy
+
+- Config: `seanime.hubris.network` block in `/etc/caddy/Caddyfile` (dtoro/caddy-conf repo)
+- TLS: Let's Encrypt DNS-01 via IONOS API
+- Backend: `192.168.8.248:43211`
+
+## DNS
+
+- `seanime.hubris.network` A record → `192.168.8.175` (Caddy)
+
+## Changelog
+
+### 2026-07-05 — initial creation
+- LXC 133 created on strong (Debian 13, 2 cores / 2 GiB)
+- Seanime v3.9.0 installed as native binary + systemd service
+- /anime bind mount from ludo-lvm
+- qBittorrent on arriman configured as torrent client
+- Caddy reverse proxy + DNS records set up
+- Online streaming extensions installed