198 lines
9.0 KiB
TypeScript
198 lines
9.0 KiB
TypeScript
/**
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* Doc-sync gate: require every workspace package README to explain its exact
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* model-visible context surface and token behavior. Most packages require the
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* canonical table; an audited allowlist requires one concise zero-effect or
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* indirect-only sentence instead.
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*
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* Run: `tsx scripts/verify-package-readme-model-experience.ts`.
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*/
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import { existsSync, globSync, readFileSync } from 'node:fs'
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import { relative, resolve } from 'node:path'
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const root = resolve(import.meta.dirname, '..')
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const HEADING = '## Model Experience'
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const LIMITATIONS_HEADING = '## Known Limitations and Deferred Work'
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const TABLE_HEADER = '| Context surface | What the model sees | Token effect |'
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const TABLE_DIVIDER = '|---|---|---|'
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const H2_HEADING = /^## .+$/
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type SentenceKind = 'none' | 'indirect'
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interface SentenceContract {
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kind: SentenceKind
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reason: string
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}
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/**
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* Packages whose Model Experience is simple enough for one gated sentence.
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* Every other package must carry the canonical table. A package moves on or
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* off this list in the same change that changes its context behavior.
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*/
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const SENTENCE_MODEL_EXPERIENCE: Readonly<Record<string, SentenceContract>> = {
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'packages/bash/bash': { kind: 'indirect', reason: 'The service interface delegates all model rendering to dsh-tool-bash.' },
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'packages/code-runtime/code-runtime': { kind: 'indirect', reason: 'The service interface delegates model rendering to Code Mode in dsh-tools.' },
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'packages/fs/fs': { kind: 'indirect', reason: 'The service interface delegates model rendering to dsh-tool-fs.' },
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'packages/hooks/hook-protocol': { kind: 'indirect', reason: 'Only the hook bridge plugins render decoded hook output to a model.' },
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'packages/sandbox/sandbox': { kind: 'indirect', reason: 'Only sandbox-consuming capabilities render enforcement facts.' },
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'packages/skill/skill': { kind: 'indirect', reason: 'The provider registry delegates model rendering to dsh-tool-skill.' },
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'packages/subagent/subagent': { kind: 'indirect', reason: 'The provider registry delegates model rendering to dsh-tool-subagent.' },
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'packages/subagent/subagent-subprocess': { kind: 'indirect', reason: 'Only process-based subagent backends compose a child model request.' },
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'packages/support/acp-snapshot': { kind: 'none', reason: 'The test harness observes and normalizes transcripts without changing live requests.' },
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'packages/support/invariants': { kind: 'none', reason: 'The observer validates requests but never rewrites their context.' },
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'packages/ui/app-boot': { kind: 'indirect', reason: 'Only the loaded plugin tree contributes model context.' },
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'packages/ui/user-interaction': { kind: 'indirect', reason: 'Only a model-facing consumer renders human answers.' },
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'packages/util/brand': { kind: 'none', reason: 'The type-only primitive is erased at compile time.' },
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'packages/util/timeout': { kind: 'indirect', reason: 'Only timeout consumers render timeout outcomes.' },
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'packages/web/web': { kind: 'indirect', reason: 'The provider registry delegates model rendering to dsh-tool-web.' },
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'packages/workflow/workflow': { kind: 'indirect', reason: 'The service delegates parent and child model rendering to its consumer and engine.' },
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}
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interface Failure {
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path: string
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message: string
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}
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interface Line {
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index: number
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raw: string
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}
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/** Split Markdown into prose lines, excluding fenced code that may quote the contract. */
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function proseLines(text: string): Line[] {
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let fence: { marker: '`' | '~'; length: number } | undefined
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const kept: Line[] = []
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text.split('\n').forEach((raw, i) => {
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const token = /^ {0,3}(`{3,}|~{3,})/.exec(raw)?.[1]
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if (token !== undefined) {
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const marker = token[0] as '`' | '~'
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if (fence === undefined) {
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fence = { marker, length: token.length }
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} else if (marker === fence.marker && token.length >= fence.length) {
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fence = undefined
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}
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return
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}
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if (fence === undefined) kept.push({ index: i + 1, raw })
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})
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return kept
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}
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const failures: Failure[] = []
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const packageJsons = globSync('packages/*/*/package.json', { cwd: root }).sort()
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const scannedPackages = new Set(packageJsons.map(path => path.slice(0, -'/package.json'.length)))
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let tableCount = 0
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let noneCount = 0
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let indirectCount = 0
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for (const [pkg, contract] of Object.entries(SENTENCE_MODEL_EXPERIENCE)) {
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if (!scannedPackages.has(pkg)) {
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failures.push({ path: `${pkg}/README.md`, message: 'sentence allowlist entry does not name a scanned package' })
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}
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if (contract.reason.trim().length === 0) {
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failures.push({ path: `${pkg}/README.md`, message: 'sentence allowlist entry must justify why a table is unnecessary' })
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}
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}
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for (const packageJson of packageJsons) {
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const pkg = packageJson.slice(0, -'/package.json'.length)
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const readme = packageJson.replace(/package\.json$/, 'README.md')
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const abs = resolve(root, readme)
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if (!existsSync(abs)) {
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failures.push({ path: readme, message: `missing package README; add one with ${HEADING}` })
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continue
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}
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const lines = proseLines(readFileSync(abs, 'utf8'))
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const h2Headings = lines.filter(line => H2_HEADING.test(line.raw))
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const modelHeadings = h2Headings.filter(line => line.raw === HEADING)
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if (modelHeadings.length !== 1) {
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failures.push({
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path: readme,
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message: modelHeadings.length === 0 ? `missing ${HEADING}` : `contains ${modelHeadings.length} copies of ${HEADING}`,
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})
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continue
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}
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const modelHeading = modelHeadings[0] as Line
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const modelH2Index = h2Headings.indexOf(modelHeading)
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const limitationsH2Index = h2Headings.findIndex(heading => heading.raw === LIMITATIONS_HEADING)
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if (limitationsH2Index >= 0) {
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if (modelH2Index !== h2Headings.length - 2 || limitationsH2Index !== h2Headings.length - 1) {
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failures.push({
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path: readme,
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message: `${HEADING} and ${LIMITATIONS_HEADING} must be the final two H2 sections, in that order`,
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})
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continue
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}
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} else if (modelH2Index !== h2Headings.length - 1) {
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failures.push({ path: readme, message: `${HEADING} must be the final H2 when ${LIMITATIONS_HEADING} is absent` })
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continue
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}
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const body = lines.slice(lines.indexOf(modelHeading) + 1)
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const nextH2 = body.findIndex(line => H2_HEADING.test(line.raw))
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const section = nextH2 < 0 ? body : body.slice(0, nextH2)
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const content = section.filter(line => line.raw.trim().length > 0)
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const sentenceContract = SENTENCE_MODEL_EXPERIENCE[pkg]
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if (sentenceContract !== undefined) {
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const pattern = sentenceContract.kind === 'none' ? /^None, as .+\.$/ : /^Indirectly, through .+\.$/
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if (content.length !== 1 || !pattern.test(content[0]?.raw ?? '')) {
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const prefix = sentenceContract.kind === 'none' ? 'None, as ' : 'Indirectly, through '
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failures.push({ path: readme, message: `must contain exactly one sentence beginning ${JSON.stringify(prefix)} and ending with a period` })
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continue
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}
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if (sentenceContract.kind === 'none') noneCount += 1
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else indirectCount += 1
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continue
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}
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const shortSentence = content.find(line => /^None, as |^Indirectly, through /.test(line.raw))
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if (shortSentence !== undefined) {
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failures.push({ path: readme, message: `line ${shortSentence.index}: short Model Experience form requires an audited entry in SENTENCE_MODEL_EXPERIENCE` })
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continue
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}
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const headers = section.filter(line => line.raw === TABLE_HEADER)
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const header = headers[0]
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const headerIndex = header === undefined ? -1 : section.indexOf(header)
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if (header === undefined || headers.length !== 1 || headerIndex < 0 || section[headerIndex + 1]?.raw !== TABLE_DIVIDER) {
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failures.push({ path: readme, message: `must contain the exact table header ${TABLE_HEADER}` })
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continue
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}
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const rows: Line[] = []
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for (const line of section.slice(headerIndex + 2)) {
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if (!line.raw.startsWith('|')) break
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rows.push(line)
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}
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if (rows.length === 0) {
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failures.push({ path: readme, message: 'Model Experience table must contain at least one data row' })
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continue
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}
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for (const row of rows) {
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const cells = row.raw.split('|').slice(1, -1).map(cell => cell.trim())
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if (cells.length !== 3 || cells.some(cell => cell.length === 0)) {
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failures.push({ path: readme, message: `line ${row.index}: invalid three-column Model Experience row: ${row.raw}` })
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}
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}
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const tableLines = new Set([header, section[headerIndex + 1], ...rows])
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const extra = content.find(line => !tableLines.has(line))
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if (extra !== undefined) {
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failures.push({ path: readme, message: `line ${extra.index}: Model Experience table section contains non-table content: ${extra.raw}` })
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continue
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}
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tableCount += 1
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}
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if (failures.length === 0) {
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console.log(`verify-package-readme-model-experience: ${packageJsons.length} README(s) checked (${tableCount} tables, ${noneCount} none, ${indirectCount} indirect), all conform.`)
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process.exit(0)
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}
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console.error('verify-package-readme-model-experience failed:')
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for (const failure of failures) {
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console.error(` ${relative(root, resolve(root, failure.path))}: ${failure.message}`)
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}
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process.exit(1)
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