Files
oikos/.agents/domains/knowledge/schema.md
dtoro 8175d218c1 docs: update for Go rewrite reality — OIKOS.md build status, deprecation notices
- .agents/OIKOS.md: rewrote entire Build Status section from Python 30-day
  roadmap to Go Phases 1-6 status. Added Python-era backlog preservation.
- knowledge/wiki/containers/105-apps.md: added DEPRECATED notices for
  homelab-mcp and secrets-issuance services, pointing to Go equivalents
  and cutover checklist.
- knowledge/wiki/infrastructure/auto-deploy.md: marked webhook ids 10+11
  as deprecated, replaced Go Docker stack.
- knowledge/wiki/infrastructure/index.md: noted topology gen as Python
  with Go DB-native replacement planned.
- .agents/operations/hermes-agent.md: updated MCP references from
  FastMCP SSE Python to Streamable HTTP Go SDK.
- .agents/shared/writing-style.md: updated MCP reference, topology note.
- .agents/domains/knowledge/schema.md: updated MCP server reference.
2026-07-07 17:50:21 +02:00

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2.9 KiB
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# Knowledge domain — schema
The knowledge domain is the durable, authoritative current-state documentation of the homelab: one
page per node and per cross-cutting system, synthesized from live state and evidence. It answers
"what exists and how does it work right now."
It follows the [LLM Wiki layer model](../../shared/llm-wiki.md) and the
[writing-style](../../shared/writing-style.md) and [page-templates](../../shared/page-templates.md)
rules.
## The narrative / substrate split
The knowledge wiki is **narrative**. It sits alongside a **machine-readable substrate** that it
describes but never contains. The split is load-bearing: several programs read the substrate at
fixed paths, so the wiki reorganization never moves it.
| Layer | Location | Consumed by |
|-------|----------|-------------|
| Substrate — source of truth | `inventory.yaml` (root) | MCP server, `homelab` CLI, `oikos/` scheduler/drift/relations/gen-topology |
| Substrate — generated host records | `hosts/*.yaml` (root) | Go `internal/mcp/` server, `bin/homelab`; written by `mcp/build_host_files.py` |
| Substrate — kernel + context cards | `oikos/` (code, `oikos/cards/`, `oikos/state.json`) | MCP `explain`, scheduler |
| Narrative — synthesized wiki | `knowledge/wiki/{hosts,containers,vms,infrastructure}/` | humans, agents via MCP `get_page` / `search_docs` |
| Evidence — immutable sources | `knowledge/sources/` (references + investigations) | synthesis into wiki pages |
## Wiki pages
- **Node pages** (`knowledge/wiki/containers/<id>-<name>.md`, `.../vms/<id>-<name>.md`,
`.../hosts/<name>.md`) follow the container/host template in
[page-templates.md](../../shared/page-templates.md): opening definition, `## At a glance`,
`## Role`, service/port map, storage, auto-deploy, `## Related`, `## Changelog`.
- **Cross-cutting pages** (`knowledge/wiki/infrastructure/<topic>.md`) follow the cross-cutting
template: `## Why`, `## Components`, `## How to apply`, `## Gotchas`, `## Related`, `## Changelog`.
- Each `inventory.yaml` host entry carries a `doc_page:` field pointing at its narrative page.
Changing where a page lives means updating that field (read by `bin/homelab`).
## The two logs
- The per-page **`## Changelog`** records infrastructure changes and is machine-parsed
(`get_changelog`, the Oikos ledger). Keep the `### YYYY-MM-DD — title` shape.
- **`knowledge/log.md`** is append-only and records *documentation-maintenance* operations only
(restructures, source ingests, lint sweeps): `## [YYYY-MM-DD] <op> | <summary>`. It never
duplicates the Oikos change ledger (`oikos/ledger.py`).
## Same-session update rule
A change to a node updates every page that references it in the same session — the node page, the
section `README.md` table, the root `README.md`, the Caddy/DNS/ingress pages, the host page, and
`inventory.yaml`. See [page-templates.md](../../shared/page-templates.md#same-session-update-rule).