chore: add agent-skills config, glossary and example mod

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

docs/agents/domain.md

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+# Domain Docs
+
+How the engineering skills should consume this repo's domain documentation when exploring the codebase.
+
+## Before exploring, read these
+
+- **`CONTEXT.md`** at the repo root, or
+- **`CONTEXT-MAP.md`** at the repo root if it exists — it points at one `CONTEXT.md` per context. Read each one relevant to the topic.
+- **`docs/adr/`** — read ADRs that touch the area you're about to work in. In multi-context repos, also check `src/<context>/docs/adr/` for context-scoped decisions.
+
+If any of these files don't exist, **proceed silently**. Don't flag their absence; don't suggest creating them upfront. The `/domain-modeling` skill (reached via `/grill-with-docs` and `/improve-codebase-architecture`) creates them lazily when terms or decisions actually get resolved.
+
+## File structure
+
+Single-context repo (most repos):
+
+```
+/
+├── CONTEXT.md
+├── docs/adr/
+│   ├── 0001-event-sourced-orders.md
+│   └── 0002-postgres-for-write-model.md
+└── src/
+```
+
+Multi-context repo (presence of `CONTEXT-MAP.md` at the root):
+
+```
+/
+├── CONTEXT-MAP.md
+├── docs/adr/                          ← system-wide decisions
+└── src/
+    ├── ordering/
+    │   ├── CONTEXT.md
+    │   └── docs/adr/                  ← context-specific decisions
+    └── billing/
+        ├── CONTEXT.md
+        └── docs/adr/
+```
+
+## Use the glossary's vocabulary
+
+When your output names a domain concept (in an issue title, a refactor proposal, a hypothesis, a test name), use the term as defined in `CONTEXT.md`. Don't drift to synonyms the glossary explicitly avoids.
+
+If the concept you need isn't in the glossary yet, that's a signal — either you're inventing language the project doesn't use (reconsider) or there's a real gap (note it for `/domain-modeling`).
+
+## Flag ADR conflicts
+
+If your output contradicts an existing ADR, surface it explicitly rather than silently overriding:
+
+> _Contradicts ADR-0007 (event-sourced orders) — but worth reopening because…_

docs/agents/issue-tracker.md

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+# Issue tracker: Gitea
+
+Issues and specs for this repo live as Gitea issues on `git.arthurerlich.de` (repo `haylan/tpf3-overtake`). Use the `tea` CLI for all operations (see the `gitea-tea` skill).
+
+## Conventions
+
+- **Create an issue**: `tea issues create --title "..." --description "..."`. Use a heredoc for multi-line bodies.
+- **Read an issue**: `tea issues <number> --comments`
+- **List issues**: `tea issues list --state open --fields index,title,body,labels` with `--labels` filters as needed.
+- **Comment on an issue**: `tea comment <number> "..."`
+- **Apply / remove labels**: `tea issues edit <number> --add-labels "..."` / `--remove-labels "..."`
+- **Close**: `tea issues close <number>` (comment first with `tea comment`)
+
+Infer the repo from `git remote -v` — `tea` does this inside a clone.
+
+## Pull requests as a triage surface
+
+**PRs as a request surface: no.**
+
+## When a skill says "publish to the issue tracker"
+
+Create a Gitea issue.
+
+## When a skill says "fetch the relevant ticket"
+
+Run `tea issues <number> --comments`.
+
+## Wayfinding operations
+
+Used by `/wayfinder`. The **map** is a single issue labelled `wayfinder:map`; **child** tickets are issues labelled `wayfinder:<type>` (`research`/`prototype`/`grilling`/`task`) with `Part of #<map>` at the top of the body and listed in the map's task list.
+
+- **Blocking**: a `Blocked by: #<n>, #<n>` line at the top of the child body. Unblocked when every blocker is closed.
+- **Frontier query**: open children of the map, minus any with an open blocker or an assignee; first in map order wins.
+- **Claim**: assign the issue to yourself (`tea issues edit <n> --add-assignees <user>`).
+- **Resolve**: comment the answer, close the issue, then append a pointer to the map's Decisions-so-far.

docs/agents/triage-labels.md

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+# Triage Labels
+
+The skills speak in terms of five canonical triage roles. This file maps those roles to the actual label strings used in this repo's issue tracker.
+
+| Label in mattpocock/skills | Label in our tracker | Meaning                                  |
+| -------------------------- | -------------------- | ---------------------------------------- |
+| `needs-triage`             | `needs-triage`       | Maintainer needs to evaluate this issue  |
+| `needs-info`               | `needs-info`         | Waiting on reporter for more information |
+| `ready-for-agent`          | `ready-for-agent`    | Fully specified, ready for an AFK agent  |
+| `ready-for-human`          | `ready-for-human`    | Requires human implementation            |
+| `wontfix`                  | `wontfix`            | Will not be actioned                     |
+
+When a skill mentions a role (e.g. "apply the AFK-ready triage label"), use the corresponding label string from this table.
+
+Edit the right-hand column to match whatever vocabulary you actually use.