aspenkit
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doc-impact
Context health analysis — freshness, domain coverage, hub surfacing, drift detection, LLM-powered interpretation, and auto-repair for generated agent context
Overview
Context health analysis — freshness, domain coverage, hub surfacing, drift detection, LLM-powered interpretation, and auto-repair for generated agent context
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You are working on doc impact — the command that shows whether generated agent context is keeping up with the codebase, optionally interprets results via LLM, and can interactively apply recommended repairs.
Domain purpose
Audits the agent context generated by aspens against the live source tree, reports per-target health (Claude, Codex), and offers an interactive --apply flow that re-runs the right aspens doc init/sync variant to repair gaps. The LLM interpretation is a thin layer on top of deterministic metrics — the metrics are the contract.
Business rules / invariants
- Target inference: If
.aspens.jsonis absent, targets are inferred from scan results (.claude/→ claude,.agents/→ codex). Falls back to['claude']. - LLM is optional and tool-less. Runs only when a CLI backend is detected.
runLLMis invoked withdisableTools: true; prompt must return pure JSON (bottom_line,improves,risks,next_step). Failure is caught and reported as "Analysis unavailable" — never fatal. - Graph failure is non-fatal. If
buildRepoGraphthrows (or--no-graphis passed),graphisnulland hub coverage is skipped/n/a. - Hub coverage haystack is the code-map, not AGENTS.md. Post-Phase 1,
## Key Filesno longer lives in root instructions.computeHubCoveragereads.claude/code-map.md(claude) or.agents/skills/architecture/references/code-map.md(codex). If the code-map file is missing, it reportscodeMapMissing: trueinstead of spurious "missing hub" warnings. Older callers withoutrepoPathfall back to the legacycontextTexthaystack. - Health score deductions (start 100): missing instructions −35; no skills −25; domain gaps proportional up to −25; missed hubs −4 each; drift −3 per file (cap −20); unhealthy hooks −10 (hook-capable targets only); broken save-tokens −5 (claude only).
LOW_SIGNAL_DOMAIN_NAMES(config,test,tests,__tests__,spec,e2e) are excluded from coverage scoring but tracked inexcluded.SOURCE_EXTSextends the scanner set with.scala,.clj,.elm,.vue,.sveltefor drift detection. Adding a language for drift requires updating this set.- Walk depth capped at 5 — deep nested source files won't appear in drift analysis.
Non-obvious behaviors
- Agent skill-ref check (Phase 6):
checkAgentSkillReferences()scans.claude/agents/*.mdfrontmatter forskills: [a, b]and verifies each.claude/skills/<name>/skill.mdexists. Broken refs surface asagent-skill-refsopportunities. - Save-tokens health is Claude-only and only activates when
config.saveTokens.enabledis true andclaude.enabled !== false. Required hook/command files vary by sub-config (saveHandoff,warnAtTokens/compactAtTokensthresholds). Legacy.mjssiblings of the.shhooks must be cleaned up — their presence is an issue. buildApplyPlandedupes withaspens doc syncas a target-agnostic key; everything else is keyed${target.id}:${action}.applyRecommendedActionis a hand-maintained dispatch table mapping action strings todocInitCommand/docSyncCommandoption shapes. Adding a new recommendation inrecommendActions()requires a matching branch here, otherwise it warns "Cannot apply automatically".
Critical files (purpose, not inventory)
src/commands/doc-impact.js— CLI rendering, LLM prompt assembly,buildApplyPlan, and the action dispatch intodocInitCommand/docSyncCommand.src/lib/impact.js— All deterministic analysis (analyzeImpact, target summarization, scoring, drift, hub/code-map coverage, hook/save-tokens health, opportunities, missing rollup, value comparison).src/prompts/impact-analyze.md— Strict JSON contract the LLM must honor; do not change shape without updatingparseAnalysis.
Critical Rules
- Skills/
activationPatternsare matched viafindMatchingSkill(substring or/domain/path hit). Renaming the skill-reader contract breaks coverage scoring. - Don't surface root-context hub warnings when
codeMapMissingis true — emit thecode-map-missingitem instead and tell the user to runaspens doc graph. - Exported surface used by tests/consumers:
computeDomainCoverage,computeHubCoverage,computeDrift,evaluateHookHealth,evaluateSaveTokensHealth,computeHealthScore,computeTargetStatus,recommendActions,summarizeReport,summarizeMissing,summarizeOpportunities,summarizeValueComparison,checkAgentSkillReferencesfromimpact.js;buildApplyPlan,buildApplyConfirmationMessagefromdoc-impact.js.
Last Updated: 2026-05-11
File metadata
name: doc-impact
description: Context health analysis — freshness, domain coverage, hub surfacing, drift detection, LLM-powered interpretation, and auto-repair for generated agent context
triggers:
files:
- src/commands/doc-impact.js
- src/lib/impact.js
- src/prompts/impact-analyze.md
- tests/impact.test.js
- tests/doc-impact.test.js
keywords:
- impact
- freshness
- coverage
- drift
- health score
- context health
- hook health
- usefulnessView original text
---
name: doc-impact
description: Context health analysis — freshness, domain coverage, hub surfacing, drift detection, LLM-powered interpretation, and auto-repair for generated agent context
triggers:
files:
- src/commands/doc-impact.js
- src/lib/impact.js
- src/prompts/impact-analyze.md
- tests/impact.test.js
- tests/doc-impact.test.js
keywords:
- impact
- freshness
- coverage
- drift
- health score
- context health
- hook health
- usefulness
---
You are working on **doc impact** — the command that shows whether generated agent context is keeping up with the codebase, optionally interprets results via LLM, and can interactively apply recommended repairs.
## Domain purpose
Audits the agent context generated by aspens against the live source tree, reports per-target health (Claude, Codex), and offers an interactive `--apply` flow that re-runs the right `aspens doc init/sync` variant to repair gaps. The LLM interpretation is a thin layer on top of deterministic metrics — the metrics are the contract.
## Business rules / invariants
- **Target inference:** If `.aspens.json` is absent, targets are inferred from scan results (`.claude/` → claude, `.agents/` → codex). Falls back to `['claude']`.
- **LLM is optional and tool-less.** Runs only when a CLI backend is detected. `runLLM` is invoked with `disableTools: true`; prompt must return pure JSON (`bottom_line`, `improves`, `risks`, `next_step`). Failure is caught and reported as "Analysis unavailable" — never fatal.
- **Graph failure is non-fatal.** If `buildRepoGraph` throws (or `--no-graph` is passed), `graph` is `null` and hub coverage is skipped/`n/a`.
- **Hub coverage haystack is the code-map, not AGENTS.md.** Post-Phase 1, `## Key Files` no longer lives in root instructions. `computeHubCoverage` reads `.claude/code-map.md` (claude) or `.agents/skills/architecture/references/code-map.md` (codex). If the code-map file is missing, it reports `codeMapMissing: true` instead of spurious "missing hub" warnings. Older callers without `repoPath` fall back to the legacy `contextText` haystack.
- **Health score deductions** (start 100): missing instructions −35; no skills −25; domain gaps proportional up to −25; missed hubs −4 each; drift −3 per file (cap −20); unhealthy hooks −10 (hook-capable targets only); broken save-tokens −5 (claude only).
- **`LOW_SIGNAL_DOMAIN_NAMES`** (`config`, `test`, `tests`, `__tests__`, `spec`, `e2e`) are excluded from coverage scoring but tracked in `excluded`.
- **`SOURCE_EXTS`** extends the scanner set with `.scala`, `.clj`, `.elm`, `.vue`, `.svelte` for drift detection. Adding a language for drift requires updating this set.
- **Walk depth capped at 5** — deep nested source files won't appear in drift analysis.
## Non-obvious behaviors
- **Agent skill-ref check (Phase 6):** `checkAgentSkillReferences()` scans `.claude/agents/*.md` frontmatter for `skills: [a, b]` and verifies each `.claude/skills/<name>/skill.md` exists. Broken refs surface as `agent-skill-refs` opportunities.
- **Save-tokens health is Claude-only** and only activates when `config.saveTokens.enabled` is true and `claude.enabled !== false`. Required hook/command files vary by sub-config (`saveHandoff`, `warnAtTokens`/`compactAtTokens` thresholds). Legacy `.mjs` siblings of the `.sh` hooks must be cleaned up — their presence is an issue.
- **`buildApplyPlan` dedupes** with `aspens doc sync` as a target-agnostic key; everything else is keyed `${target.id}:${action}`.
- **`applyRecommendedAction` is a hand-maintained dispatch table** mapping action strings to `docInitCommand`/`docSyncCommand` option shapes. Adding a new recommendation in `recommendActions()` requires a matching branch here, otherwise it warns "Cannot apply automatically".
## Critical files (purpose, not inventory)
- `src/commands/doc-impact.js` — CLI rendering, LLM prompt assembly, `buildApplyPlan`, and the action dispatch into `docInitCommand`/`docSyncCommand`.
- `src/lib/impact.js` — All deterministic analysis (`analyzeImpact`, target summarization, scoring, drift, hub/code-map coverage, hook/save-tokens health, opportunities, missing rollup, value comparison).
- `src/prompts/impact-analyze.md` — Strict JSON contract the LLM must honor; do not change shape without updating `parseAnalysis`.
## Critical Rules
- Skills/`activationPatterns` are matched via `findMatchingSkill` (substring or `/domain/` path hit). Renaming the skill-reader contract breaks coverage scoring.
- Don't surface root-context hub warnings when `codeMapMissing` is true — emit the `code-map-missing` item instead and tell the user to run `aspens doc graph`.
- Exported surface used by tests/consumers: `computeDomainCoverage`, `computeHubCoverage`, `computeDrift`, `evaluateHookHealth`, `evaluateSaveTokensHealth`, `computeHealthScore`, `computeTargetStatus`, `recommendActions`, `summarizeReport`, `summarizeMissing`, `summarizeOpportunities`, `summarizeValueComparison`, `checkAgentSkillReferences` from `impact.js`; `buildApplyPlan`, `buildApplyConfirmationMessage` from `doc-impact.js`.
---
**Last Updated:** 2026-05-11
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Source needs review
The tracked source changed or could not be synchronized. Review the current source before installing.
Review before install: Avoid automatic install
License: MIT
- Dependency or permission surface needs review
- Permission surface may require sandboxing
- Financial research output is not financial advice; require human review before any live investment decision
- Financial research output is not financial advice; require human review before any live investment decision.
- Quality score needs review
- Permission surface needs review: secrets or environment access, shell or command execution
- Stars/forks activity: 100 stars, 7 forks; issue activity unavailable in current metadata
- Dependency/runtime risk: command execution surface, credential or environment access
- Permission surface: secrets or environment access, shell or command execution
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Source & usage notes
Indexed
Repository metadata and review signals are advisory. Popularity, source discovery and successful execution are different facts.
- Source repository
- aspenkit/aspens
- License
- MIT
- Version
- 1.0.0
- Last GitHub push
- Sep 12, 2026
- Registry updated
- Sep 21, 2026
- Instruction path
- .agents/skills/doc-impact/SKILL.md @ aea54585f728
Version reported in registry metadata; check source releases before relying on it.
Quality
67/100
Promising
Trust
66/100
Sandbox only
Audit
78/100
Needs review
- Dependency or permission surface needs review
- Permission surface may require sandboxing
- Financial research output is not financial advice; require human review before any live investment decision
- Financial research output is not financial advice; require human review before any live investment decision.
- Quality score needs review
- Permission surface needs review: secrets or environment access, shell or command execution
- Stars/forks activity: 100 stars, 7 forks; issue activity unavailable in current metadata
- Dependency/runtime risk: command execution surface, credential or environment access
- Permission surface: secrets or environment access, shell or command execution
- Verified installs
- —
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Copies are not installs. Installation counts require a reported successful installation; they are not a blanket quality guarantee.
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More details
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}For the creator
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