docs: adopt wiki-hq conventions + separate agent instructions (phases 1-2)

Problem: the narrative docs lacked an enforceable style standard, and
agent-facing instruction (OIKOS/CAVEMAN/CONTRIBUTING) was interleaved with
human content at the repo root.

Change:
- Add .agents/shared/{writing-style,llm-wiki}.md — a lint-checkable prose
  standard (with an imperative-voice exception for runbooks/recipes) and the
  sources/wiki/index/log layer model.
- Move CAVEMAN.md -> .agents/shared/caveman.md,
  CONTRIBUTING.md -> .agents/shared/page-templates.md,
  OIKOS.md -> .agents/OIKOS.md; leave thin root stubs so old links resolve.
- Add .agents/domains/{knowledge,operations}/schema.md; operations schema
  codifies "plans always live in plans/".
- Repoint live references (AGENTS, README, GLOSSARY, OIKOS) and fix OIKOS.md's
  internal relative links for its new depth.

Risk: none to the operational substrate — inventory.yaml, hosts/*.yaml,
oikos/, mcp/, secrets/, bin/ untouched (verified via git status).

Verification: relative-link check across .agents/ clean; substrate churn empty.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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2026-07-06 14:22:09 +02:00
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# CAVEMAN.md — communication mode for homelab agents
Respond terse like smart caveman. All technical substance stay. Only fluff die.
## Rules
Drop: articles (a/an/the), filler (just/really/basically/actually/simply), pleasantries (sure/certainly/of course/happy to), hedging. Fragments OK. Short synonyms (big not extensive, fix not "implement a solution for"). Technical terms exact. Code blocks unchanged. Errors quoted exact.
Pattern: `[thing] [action] [reason]. [next step].`
Not: "Sure! I'd be happy to help you with that. The issue you're experiencing is likely caused by..."
Yes: "Bug in auth middleware. Token expiry check use `<` not `<=`. Fix:"
## Levels
- **lite** — no filler/hedging. Keep articles + full sentences. Professional but tight.
- **full** (default) — drop articles, fragments OK, short synonyms. Classic caveman.
- **ultra** — abbreviate prose words (DB/auth/config/req/res), strip conjunctions, arrows (X → Y). Code symbols/API names/errors: never abbreviate.
Switch: `/caveman lite|full|ultra`. Stop: "normal mode".
## Auto-Clarity
Drop caveman for: security warnings, irreversible actions, multi-step sequences where fragments risk misread, user confused/repeating. Resume after clear part done.
## Boundaries
Code/commits/PRs: write normal. "stop caveman" or "normal mode": revert. Level persist until changed or session end.
---
Source: https://github.com/JuliusBrussee/caveman
Copy to `~/.hermes/skills/` for Hermes Agent, or `~/.claude/projects/<name>/SKILL.md` for Claude Code.

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# LLM Wiki — the documentation contract
How the narrative documentation in this repo is organized. The pattern is borrowed from the
`sources / wiki / index / log` model: a durable synthesized layer (`knowledge/wiki/`) built on top
of immutable evidence (`knowledge/sources/`, `investigations/`), with pure-listing indexes and an
append-only operations log.
This contract governs the **narrative layer only**. The machine-readable substrate — `inventory.yaml`,
generated `hosts/*.yaml`, `oikos/`, `mcp/`, `secrets/`, `bin/` — is not part of the wiki and never
moves under it. See [the knowledge schema](../domains/knowledge/schema.md) for the split.
## Layers
- **Sources** are immutable raw material: incident records (`investigations/`), external reference
docs (`knowledge/sources/references/`), and the live system itself (`pct config`, `docker inspect`).
Read them; do not rewrite them into other sources.
- **Wiki** (`knowledge/wiki/`) is the synthesized, authoritative current-state layer: one page per
node (`containers/`, `vms/`, host narratives) and per cross-cutting system (`infrastructure/`). A
reader understands the topic from the wiki page without reading the sources.
- **Index** (`index.md` / folder `README.md`) is a pure listing — every page in scope with a
one-line summary, and nothing else. Anything the section wants to say up front goes into a page
the index lists, not into the index.
- **Log** (`log.md`) is append-only, recording *doc-maintenance operations* (restructures, source
ingests, lint sweeps) in single-line format: `## [YYYY-MM-DD] <op> | <summary>`.
## Two logs, kept distinct
- **`## Changelog`** on each node/topic page records *infrastructure* changes to that node. It is
machine-parsed (`get_changelog`, the Oikos ledger) — keep the `### YYYY-MM-DD — title` shape.
- **`log.md`** per area records *documentation* operations only. It never duplicates the Oikos
change ledger (`oikos/ledger.py`), which stays authoritative for infra changes with
who/what/risk/approval/verification.
## Rules
- Wiki pages stay short and focused. A page past ~300 lines splits.
- Pages stay flat under `wiki/<section>/` until there are enough to warrant a sub-group.
- Every page follows [writing-style.md](writing-style.md).
- Plans and design docs always live in the repo `plans/` folder (`plans/YYYY-MM-DD-slug.md`),
listed in `plans/index.md`, moved to `plans/done/` on completion — never a scratch path or a chat
message. See [the operations schema](../domains/operations/schema.md).

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# Page templates for the Homelab Wiki
The structural templates for each page type. Prose voice, vocabulary, and cross-reference rules live
in [writing-style.md](writing-style.md); the layer model (sources / wiki / index / log) lives in
[llm-wiki.md](llm-wiki.md).
## Voice
Concise, technical, sysadmin-to-sysadmin. No marketing prose, no exclamation marks. Full rules in
[writing-style.md](writing-style.md).
## Page templates
### Container page (`containers/<id>-<name>.md`)
```markdown
# <id> — `<name>`
One-sentence purpose.
## At a glance
- **Hostname:** `<name>`
- **IP:** `192.168.8.x`
- **Privilege:** privileged | unprivileged
- **Resources:** N cores / M GiB RAM / D GiB rootfs
- **Mounts:** `/mnt/library``/mnt/library` (if any)
- **Public hostname:** `<sub>.hubris.network` (if proxied)
## Role
What it does, what it talks to.
## Service / port map
| Service | Listen | Notes |
## Storage / config paths
## Auto-deploy
(if any) — link to [auto-deploy](../infrastructure/auto-deploy.md)
## Related
- [Caddy](121-caddy.md) (if proxied)
- [DNS](../infrastructure/dns.md) (if has subdomain)
- [Authentik](124-authentik.md) (if SSO)
- ...
## Changelog
### YYYY-MM-DD — short title
What changed, why, link to investigation if any.
```
### Cross-cutting page (`infrastructure/<topic>.md`)
```markdown
# <Topic>
One-sentence summary.
## Why
Design rationale — what it replaces, what it solves.
## Components
Where it runs, what files matter.
## How to apply / use
Recipes.
## Gotchas
## Related
Links to nodes that host or depend on this.
## Changelog
```
### Plan (`plans/YYYY-MM-DD-slug.md`)
```markdown
# YYYY-MM-DD — <title>
## Goal
What this change achieves and why.
## Current topology / state
Diagram or description of what exists now.
## Target topology / state
What it looks like after.
## Pre-flight checklist
## Step-by-step procedure
## Verification
## Post-migration
Changelog entries to write, index status to update.
```
### Investigation (`investigations/YYYY-MM-DD-slug.md`)
```markdown
# YYYY-MM-DD — <title>
## Summary
1-3 sentences.
## Timeline
## Root cause
## Mitigations applied
## Open questions
```
## Linking discipline
- Every container page links to every cross-cutting page it participates in.
- Every cross-cutting page lists the nodes that participate.
- Every investigation links to the nodes it implicates *and* gets back-linked from each node's changelog.
- Every plan links to the infrastructure pages it affects. When done, update the plan's status in `plans/index.md` and write changelog entries on affected node pages.
## Changelog hygiene
- Reverse-chronological (newest first).
- One entry per discrete change, even if you make several in one day.
- If a change spans nodes, repeat the entry on each affected page (different perspective is fine).
- Don't rewrite history — entries are append-only. Mistakes get a follow-up entry that supersedes them.
## Same-session update rule
When you make a change to a node — migrate an LXC, update an IP, change a
mount, deploy a new service — **update every relevant doc page in the same
session.** A change that touches a container page must also update:
- The `containers/index.md` table (IPs, host, mounts, status)
- The `README.md` table (if the change affects listed columns)
- The Caddy page site list (if the change affects `*.hubris.network` routing)
- The DNS / ingress infrastructure pages (if the change affects routing)
- The `hosts/{hubris,strong}.md` host page (if container count changes)
- The `inventory.yaml` host entry (source of truth for the `hosts/*.yaml` generation)
- The `infrastructure/topology.md` (generated from inventory, but regen if needed)
The pattern of updating only one page and leaving stale references on others
is a bug. If you're doing a multi-step migration, document the intermediate
state with a changelog entry that says "pending — will finalize after Phase
N."
This rule is why Phase 2 of the strong migration (2026-07-05) caused
widespread stale data: individual container pages were updated in the
changelog but never had their At-a-glance sections, IPs, mount paths, or
host attribution updated. Don't repeat that.

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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 machine-parsed (`get_changelog` in `mcp/server.py`); keep the `### YYYY-MM-DD — title` shape.
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 (`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` is generated by `oikos/gen-topology.py` — do not hand-edit it.
- 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.