Files
oikos/.agents/shared/writing-style.md
dtoro a2410cf9c2 docs(R5): rewrite knowledge schema + llm-wiki for DB-native model; deprecate root inventory.yaml
Rewrote .agents/domains/knowledge/schema.md and .agents/shared/llm-wiki.md
which described the deleted Python substrate (bin/homelab, oikos/cards/,
oikos/ledger.py, root inventory.yaml, knowledge/sources/, get_page/
search_docs MCP tools). Now reflect ADR 0003: Postgres DB is the single
source of truth for structured data and narrative knowledge; seeds/*.yaml
are bootstrap+DR manifests (content-hashed via seed_versions); archive/
knowledge/ is the frozen legacy wiki; MCP search_knowledge/get_entity_
knowledge replace get_page/search_docs.

Swept substrate refs in .agents/shared/{writing-style,page-templates}.md
and .agents/domains/operations/schema.md: bare inventory.yaml ->
seeds/inventory.yaml; knowledge/sources/ -> archive/knowledge/sources/
(historical); get_changelog/oikos/ledger.py -> DB audit trail / structured
document changelog field; HERMES -> Nomos.

Root inventory.yaml (618-line Python-era file superseded 2026-07-07 by
seeds/inventory.yaml) replaced with a deprecation stub pointing to the seed
and DB. Kept as a stub rather than deleted because AGENTS.md §1/§2 still
point clients at /opt/homelab-context/inventory.yaml; full on-client path
reconciliation deferred to R13.

Flagged export gap: oikos export regenerates seeds/{ontology,inventory,
policy}.yaml but NOT seeds/knowledge.yaml — API-added knowledge lives only
in the DB until hand-edited into the seed.

VERSION 0.7.7 -> 0.7.8. Plan R5 marked done.
2026-07-17 22:36:41 +02:00

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# Writing Style
Write like a technical reference, not a marketing page. Every sentence conveys new information.
These rules govern **committed documentation** — wiki pages, READMEs, schemas, skills, `AGENTS.md`,
plans, investigations, and code comments. They are separate from [caveman.md](caveman.md), which
governs an agent's *chat responses*; the two do not conflict.
New or rewritten pages follow these patterns from day one. Existing pages get updated the next time
they are touched.
## Vocabulary — never use these
- Significance puffers: "pivotal", "crucial", "vital", "groundbreaking", "transformative", "testament", "paramount", "invaluable".
- Analytical verbs: "delve", "leverage", "utilize", "facilitate", "foster", "showcase", "underscore", "streamline", "harness".
- Poetic nouns: "tapestry", "landscape" (figurative), "realm", "paradigm", "ecosystem" (figurative), "journey" (figurative), "nexus", "cornerstone".
- Promotional adjectives: "robust", "seamless", "innovative", "cutting-edge", "meticulous", "holistic", "comprehensive".
- Opening crutches: "In today's world", "In the ever-evolving landscape of", "It's worth noting that", "It is important to note that".
Use short, common words: "use" not "utilize", "help" not "facilitate", "show" not "demonstrate".
## Voice
Describe what systems do and how they work.
- **Reference prose** (node pages, cross-cutting infrastructure descriptions, `## Role`, `## Why`,
`At a glance`) is third-person: state facts about the system, not instructions to a reader.
- **Recipes, runbooks, and skills** are the exception: second-person imperative is allowed and
preferred where it makes a procedure clearer ("Edit the Caddyfile, commit + push", "Verify with
`dig +short`"). This matches how the operator actually works. The vocabulary, structure, and
cross-reference rules below still apply.
## Page shape
Every doc-level page follows the same shape so a reader scans it in one pass.
1. **One H1 = the page title.** Node pages use `# <id> — \`<name>\``; topic pages use `# <Topic>`.
2. **Opening definition.** First paragraph, 13 sentences, says what the thing is. No motivation, no marketing, no setup.
3. **Body sections** in the natural order for the topic. Reuse the section templates in [page-templates.md](page-templates.md).
4. **`## Changelog`** at the bottom of every node/topic page — reverse-chronological, append-only. This section is stored as a structured field on the `document` entity in the DB; keep the `### YYYY-MM-DD — title` shape so it parses cleanly.
5. **Related links** only at the bottom, only when a reference cannot be woven inline.
## Section indexes (folder READMEs)
A folder's `README.md` opens with a 13 sentence prose intro that says what the section covers, then
a single navigation table — `| Document | What it covers |` — and nothing else. No stale counts, no
duplicated prose, no narrative between the intro and the table.
## Structure rules
- Make every sentence information-dense. Cut filler, qualifiers, and setup phrases. Lead with the concrete fact or action, not why it matters.
- No participial tack-ons (", highlighting the importance of…"). If the clause adds information, make it a separate sentence.
- **No meta-commentary about the content itself.** Do not narrate the page's own structure or linking strategy.
- Prefer **tables** for enumerable items with internal structure (service/port maps, field lists, status grids). Reserve bullets for short non-structured lists.
- Use the **bold-leading-phrase pattern** for structured points: `**Read-only by construction.** The MCP server never mutates state.` — a bold noun phrase, a period, then the explanation.
- When enumerating across services or nodes, give each its own `###` sub-section or a table row, not one run-on paragraph.
- Use backticks for code, paths, hostnames, and file names (`seeds/inventory.yaml`, `192.168.8.77`, `pct config`); italics for first-mention terminology.
- Use `>` blockquotes for caveats and gaps that interrupt the main flow: `> **Outstanding gap.** DNS-vs-inventory drift check not yet wired.` One thought per blockquote.
## Diagrams
- Mermaid is the default for topology and flow diagrams. `infrastructure/topology.md` in the archived wiki was generated by the retired `oikos/gen-topology.py`; the DB-native equivalent is a future task — do not hand-edit the archived file expecting it to regenerate.
- ASCII box diagrams are fine for small shape diagrams; keep them to one screen.
## Sourcing and cross-references
- **Factual discipline.** Every claim is grounded in a cited source, an adjacent linked page, or a directly observable fact (`pct config`, `docker inspect`, running config). Do not write sentences that sound sourced but are inference. When docs disagree with live state, fix the doc and note it in the changelog.
- **One-sided cross-references.** When two pages relate, the link lives in the page where the connection makes organizational sense. Do not add a back-pointer unless that direction also carries content the reader needs.
- **Cross-references are content, not catalog.** Inline links arise from the surrounding prose; the linked page must be needed to understand the current sentence. A bottom-of-page "Related" list is the fallback, not the default.
- Pages link with standard relative markdown links (e.g. a container page links to `../infrastructure/dns.md`), forming a navigable graph. Orphans are a bug.
## Code comments and commit/PR prose
- Comments explain intent, trade-offs, or constraints the code cannot convey. No diff narration, no type restatement, no section-divider comments.
- Commit messages and PR descriptions are problem → change → risk → verification, not a file-by-file diff restatement.
- The banned vocabulary applies the same way in comments and commit messages.