feat(kyberforge): enforce the ADR-0020 context contract for skills and agents
Skill name+description pairs are preloaded into every session, costing ~6,200 tokens across 39 skills before any skill is invoked. The authoring rules mandated that growth: skill-author:104 and description-quality.md:21 both required padding, while skill-author:102 (the deflating rule) had no FAIL condition behind it. Gates (blocking, no baseline file): - description 250 chars SUGGESTION / 400 FAIL, measured on the folded YAML value - body-only 600 words SUGGESTION / 900 FAIL, independent of the unchanged whole-file 2770-word / 500-line spec backstop - every boundary-clause routing target must resolve to a real skill or agent; catches skill-improve, neuledge-context and gitea-labels - agents take the description gates but deliberately no body gate; a test pins that absence Vale: DescriptionOpener widened to ^This\b, new CompositionNote rule banning architecture notes from descriptions. 10 hits, 0 false positives. Kyberforge's own four skills retrofitted: descriptions 3,364 -> 938 chars (-72%), bodies 8,306 -> 2,487 words (-70%), all via the apm-workflow dispatch pattern. Fixes the skill-improve dangling route and the agent-author misroute to manual review. Also fixes a pre-existing false positive where any line-initial 'read ' was flagged as interactive input, which had already caused two scripts to be rewritten around it. Refs: ADR-0020
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@@ -6,6 +6,14 @@ Author and refine skills conforming to the [agentskills.io](https://agentskills.
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Routes to one of two flows based on context: if no skill directory exists at the target path, it scaffolds the directory from annotated templates, fills in `SKILL.md` and supporting files, and validates the result. If an existing skill directory and improvement signals are both present, it groups those signals by root cause and applies targeted edits, then re-validates. In both flows, bumps the skill's `metadata.version` when present (minor for create, patch for improve).
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`SKILL.md` itself carries only the dispatch table, the invocation-axis decision, the contract gates and the shared close; each flow lives in its own self-contained reference file, per ADR-0020.
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## The contract it teaches
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Authored skills are held to the ADR-0020 context budget. A description carries a trigger clause, at most one capability clause, and a boundary clause of the form `Not <thing> -> <skill-name>` whose target must resolve to a real skill or agent — 250 characters target, 400 hard ceiling. A body carries the decision procedure only — 600 words target, 900 hard ceiling, counting the body alone, which is a separate measurement from the 2,770-word / 500-line whole-file spec backstop. Skills with two or more mutually exclusive flows must dispatch. `references/contract.md` holds the full rules; `assets/templates/SKILL.md` encodes them as a fill-in skeleton.
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Before a description is written, the skill asks whether the target is model-invoked or hand-invoked. A hand-invoked skill sets `disable-model-invocation: true` and carries one plain human-facing sentence with no trigger list.
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## Before you start
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- Run `/grill-me` to resolve design decisions before creating a new skill
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@@ -14,7 +22,7 @@ Routes to one of two flows based on context: if no skill directory exists at the
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## Placement
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`scripts/new-skill.sh` resolves the mode automatically by walking up from the given path — see `SKILL.md` Step 1 for the full algorithm.
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`scripts/new-skill.sh` resolves the mode automatically by walking up from the given path — see `references/create.md` Step 1 for the full algorithm.
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| Mode | Path | Chosen when |
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|------|------|-------------|
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@@ -36,10 +44,13 @@ If the destination resolves inside an APM package, read `references/deployment-m
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| `README.md` | Human-readable overview of the skill and its files |
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| `SKILL.md` | Skill instructions for agents |
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| `scripts/new-skill.sh` | Walks up from the given path to resolve package vs standalone mode, then copies annotated templates to the resolved destination |
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| `references/create.md` | The create flow end to end — prerequisites, package-intent gate, scaffold, frontmatter, scripts, references, sources (loaded on demand) |
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| `references/improve.md` | The improve flow end to end — signal verification, root-cause grouping, announcement, edits (loaded on demand) |
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| `references/contract.md` | The ADR-0020 description and body contract, the Gotchas constraint, the two size gates, body patterns, and org-policy embedding (loaded on demand) |
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| `references/deployment-modes.md` | APM package vs standalone differences and self-containment/cache-isolation rules (loaded on demand) |
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| `references/scripts.md` | Package runners, inline dependency patterns, and full script contract (loaded on demand) |
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| `references/sources.md` | Upstream research sources and which skill files each contributed to |
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| `assets/templates/SKILL.md` | Annotated SKILL.md template |
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| `assets/templates/SKILL.md` | Annotated SKILL.md template — emits an ADR-0020-compliant description and body skeleton |
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| `assets/templates/README.md` | Annotated README template for the new skill |
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| `assets/templates/scripts/README.md` | Placeholder for bundled scripts |
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| `assets/templates/references/README.md` | Placeholder for reference docs |
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