vadimwit
996218f39c
Key-agnostic bass plays (piano-recipe language): deg XOR typed approach (chrom-below/above, fifth-of-next — pitch derived from the next station, never authored), octave 0-1 with a 19-semitone cap (exactly fret 15 on E-A-D-G), root rule, terminal approaches, non-decreasing beats, MIN_PLAYS_BASS=1. Legacy BASS_TOKENS stub replaced (zero references). Smoke 849/849 with 13 new checks; sabotage-proven twice (author + gate, different malformations). Ride-along: SCHEMA documents the resolveDegree 7-on-6-chords quirk. Critic PASS. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
386 lines
20 KiB
JavaScript
386 lines
20 KiB
JavaScript
// KB quality gate — validates src/data/kb/ against the contract in src/data/kb/SCHEMA.md.
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// Run: node scripts/validate-kb.mjs (exit 1 on any error)
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//
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// Lib mode: scripts/smoke.mjs imports this file with KB_VALIDATE_AS_LIB=1 set to
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// reuse the exported pure checks (checkLick, checkPianoRecipe, checkBassPlay,
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// LEVELS, LICK_TECHNIQUES, MAX_HAND_SPAN, MIN_PLAYS_BASS, BASS_APPROACHES,
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// BASS_MAX_OFFSET) against in-memory fixtures — same logic, no copy. When the
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// env var is absent the script runs the full KB validation as before.
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import { readdirSync, existsSync } from 'node:fs'
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import { fileURLToPath, pathToFileURL } from 'node:url'
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import { dirname, join } from 'node:path'
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import { CHORD_TYPES } from '../src/lib/theory.js'
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const ROOT = join(dirname(fileURLToPath(import.meta.url)), '..')
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const KB = join(ROOT, 'src', 'data', 'kb')
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const MODES = ['major', 'minor', 'dorian', 'phrygian', 'lydian', 'mixolydian']
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const OPEN_PC = [4, 9, 2, 7, 11, 4] // EADGBe low-E first
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const PERFECT_FIFTH = 7
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const MIN_PROGRESSIONS = 4
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const MIN_PLAYS = 2
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// Bass floor is 1, not 2 (SCHEMA.md "Bass play"): the band wants one bassline
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// at a time, and rule 4's "idiomatically different" bar invites filler at 2.
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export const MIN_PLAYS_BASS = 1
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const MAX_SPAN = 4
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// Optional progression/lick difficulty tags (SCHEMA.md — absent = 'foundation').
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export const LEVELS = ['foundation', 'intermediate']
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// Fixed technique vocabulary for licks — both the techniques[] summary and each
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// tab note's optional technique must come from this list (SCHEMA.md).
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export const LICK_TECHNIQUES = [
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'hammer-on', 'pull-off', 'slide', 'bend',
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'double-stop', 'ghost-note', 'chromatic-approach', 'vibrato',
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]
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const LICK_MAX_FRET = 15
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const errors = []
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const err = (where, msg) => errors.push(`${where}: ${msg}`)
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// Resolve a degree string ('3', 'b9', '13'…) to a pitch class relative to the
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// chord root, through the quality's intervals where the degree is quality-dependent.
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function resolveDegree(deg, quality) {
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const iv = CHORD_TYPES[quality].intervals
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const fixed = { 1: 0, b9: 1, 9: 2, '#9': 3, 11: 5, '#11': 6, b5: 6, b13: 8, 13: 9, 6: 9, b3: 3, b7: 10 }
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if (deg === '3') return iv.find(i => i === 3 || i === 4) ?? iv.find(i => i === 2 || i === 5) ?? null
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if (deg === '5') return iv.find(i => i === 6 || i === 7 || i === 8) ?? null
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if (deg === '7') return iv.find(i => i === 9 || i === 10 || i === 11) ?? null
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return fixed[deg] ?? null
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}
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function checkGuitarShape(where, chordStep, quality) {
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const { shape, extensions = [] } = chordStep
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if (!shape) return err(where, 'missing shape')
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const strings = shape.offsets ?? shape.frets
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if (!Array.isArray(strings) || strings.length !== 6)
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return err(where, 'offsets/frets must be an array of 6 (low E first)')
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const isMovable = !!shape.offsets
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if (isMovable) {
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if (!(shape.rootStr >= 1 && shape.rootStr <= 6)) return err(where, `bad rootStr ${shape.rootStr}`)
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if (strings[6 - shape.rootStr] !== 0) return err(where, 'offset on the root string must be 0')
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} else {
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if (!(shape.onlyRoot >= 0 && shape.onlyRoot <= 11)) return err(where, 'open shape needs onlyRoot (pc 0-11)')
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}
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const fretted = strings.filter(f => f !== 'x')
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if (fretted.some(f => !Number.isInteger(f) || f < -2 || f > 15))
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return err(where, `bad fret values: ${JSON.stringify(strings)}`)
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const nonOpen = fretted.filter(f => f !== 0)
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if (nonOpen.length && Math.max(...nonOpen) - Math.min(...nonOpen) > MAX_SPAN)
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return err(where, `fret span > ${MAX_SPAN} — not intermediate-friendly`)
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// Pitch-class verification: every sounded note must belong to the chord
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// (quality intervals + declared extensions); defining tones must be present.
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const iv = CHORD_TYPES[quality].intervals
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const allowed = new Set(iv)
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for (const ext of extensions) {
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const pc = resolveDegree(ext, quality)
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if (pc === null) return err(where, `unresolvable extension '${ext}' for ${quality}`)
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allowed.add(pc)
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}
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const rootRel = isMovable ? (12 - OPEN_PC[6 - shape.rootStr]) % 12 : null
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const sounded = new Set()
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strings.forEach((f, i) => {
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if (f === 'x') return
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const pc = isMovable
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? (OPEN_PC[i] + rootRel + f + 24) % 12
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: (OPEN_PC[i] + f - shape.onlyRoot + 24) % 12
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sounded.add(pc)
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})
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for (const pc of sounded)
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if (!allowed.has(pc)) return err(where, `sounded pc ${pc} is not in ${quality} (+ext) — shape misspells the chord`)
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const required = iv.filter(i =>
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i !== PERFECT_FIFTH
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&& !(chordStep.rootless && i === 0)
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&& !(chordStep.omit3 && (i === 3 || i === 4)))
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for (const pc of required)
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if (!sounded.has(pc)) return err(where, `defining tone pc ${pc} of ${quality} missing from shape`)
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}
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// Piano hand-span rule (SCHEMA.md rule 3: "one hand per recipe stays within a
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// 10th"). Enforced as ≤ 15 semitones — a minor 10th, the widest reading of
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// "a 10th" — so the hand-verified 14-semitone ø11 rootless voicing in
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// jazz/piano.js (P-22) stays legal while anything wider fails. Task C-22.
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export const MAX_HAND_SPAN = 15
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// Resolve one hand's degree list to stacked absolute semitone offsets per the
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// documented convention (src/data/kb/jazz/piano.js header, ~line 14): order
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// inside a hand = voicing order low→high, each note placed in the nearest
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// position strictly above the previous (a repeated pitch class = octave up).
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// Returns null if any degree is unresolvable (reported separately by caller).
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function stackHand(degs, quality) {
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const notes = []
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for (const d of degs) {
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const pc = resolveDegree(d, quality)
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if (pc === null) return null
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if (!notes.length) { notes.push(pc); continue }
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const prev = notes[notes.length - 1]
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const step = (pc - (prev % 12) + 12) % 12
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notes.push(prev + (step === 0 ? 12 : step))
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}
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return notes
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}
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// Pure piano-recipe validation. Returns an array of where-prefixed error
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// strings (empty = valid). Exported for reuse by scripts/smoke.mjs (lib mode).
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export function checkPianoRecipe(where, chordStep, quality) {
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const out = []
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const e = (msg) => out.push(`${where}: ${msg}`)
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if (!CHORD_TYPES[quality]) { e(`unknown quality '${quality}'`); return out }
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const { recipe } = chordStep
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if (!recipe) { e('missing recipe'); return out }
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for (const hand of ['LH', 'RH']) {
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const degs = recipe[hand]
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if (degs === undefined) continue
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if (!Array.isArray(degs) || !degs.length) { e(`${hand} must be a non-empty array`); continue }
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if (degs.length > 5) e(`${hand} has ${degs.length} notes — one hand, max 5`)
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for (const d of degs)
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if (resolveDegree(d, quality) === null) e(`unresolvable degree '${d}' for ${quality}`)
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const stacked = stackHand(degs, quality)
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if (stacked === null) continue // unresolvable degree already reported
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const span = stacked[stacked.length - 1] - stacked[0]
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if (span > MAX_HAND_SPAN)
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e(`${hand} [${degs.join(' ')}] spans ${span} semitones stacked low→high — max ${MAX_HAND_SPAN} (a minor 10th; SCHEMA rule 3, one hand within a 10th)`)
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}
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if (recipe.LH === undefined && recipe.RH === undefined) e('recipe needs LH and/or RH')
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return out
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}
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// ── Bass plays (SCHEMA.md "Bass play") ────────────────────────────────────────
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// Degree-based per-station patterns: one chords[] entry per progression step,
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// each a non-empty ORDERED pattern of {deg,…} chord/color tones (resolved
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// through the step's quality — a degree can't misspell a pitch class) and
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// typed {approach,…} notes whose pitch is DERIVED from the next station's
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// root, so the validator can allow the non-chord tone without blessing
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// arbitrary chromatics. Data never encodes strings/frets (key-agnostic,
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// hard rule 1); the renderer places patterns on E–A–D–G, frets 0–15.
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export const BASS_APPROACHES = ['chrom-below', 'chrom-above', 'fifth-of-next']
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// Widest legal offset above the root: an octave + a fifth keeps every pattern
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// placeable on E–A–D–G within frets 0–15 in one position.
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export const BASS_MAX_OFFSET = 19
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const BASS_BEATS_PER_BAR = 4 // patterns are notated in 4 — 12/8 is `feel`
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const BASS_MAX_NOTES_PER_BAR = 8 // straight-8ths density cap (rule 3)
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// Pure bass-play validation. Returns an array of where-prefixed error strings
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// (empty = valid). Exported for reuse by scripts/smoke.mjs (lib mode).
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export function checkBassPlay(where, play, prog) {
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const out = []
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const e = (msg) => out.push(`${where}: ${msg}`)
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if (typeof play.feel !== 'string' || !play.feel)
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e("feel required — the groove in one line (e.g. 'swung 8ths, locked with the kick')")
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if (play.level !== undefined && !LEVELS.includes(play.level))
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e(`level must be one of ${LEVELS.join(' | ')}, got '${play.level}'`)
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if (!Array.isArray(play.chords) || play.chords.length !== prog.degrees.length) {
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e(`chords length ${play.chords?.length} ≠ progression length ${prog.degrees.length}`)
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return out
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}
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play.chords.forEach((step, ci) => {
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const cw = `chord[${ci}] (${prog.rn?.[ci] ?? ci})`
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const quality = prog.qualities[ci]
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if (!CHORD_TYPES[quality]) return e(`${cw}: unknown quality '${quality}'`)
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const bars = prog.bars?.[ci] ?? 1
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const pat = step?.pattern
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if (!Array.isArray(pat) || !pat.length)
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return e(`${cw}: pattern must be a non-empty ordered array of notes`)
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if (pat.length > BASS_MAX_NOTES_PER_BAR * bars)
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e(`${cw}: ${pat.length} notes > ${BASS_MAX_NOTES_PER_BAR * bars} (8ths density cap over ${bars} bar(s)) — not intermediate-friendly`)
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let approachSeen = false
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let rootSeen = false
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let lastBeat = -Infinity
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pat.forEach((n, ni) => {
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const nw = `${cw} pattern[${ni}]`
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if (!n || typeof n !== 'object') return e(`${nw}: note must be an object ({deg,…} or {approach,…})`)
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const isDeg = n.deg !== undefined
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const isApproach = n.approach !== undefined
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if (isDeg === isApproach) return e(`${nw}: exactly one of deg | approach per note`)
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if (isApproach) {
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approachSeen = true
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if (!BASS_APPROACHES.includes(n.approach))
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e(`${nw}: unknown approach '${n.approach}' — allowed: ${BASS_APPROACHES.join(', ')}`)
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if (n.octave !== undefined)
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e(`${nw}: octave applies to deg notes only (the renderer places approaches beside the next root)`)
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} else {
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if (approachSeen)
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e(`${nw}: deg note after an approach — approach notes must close the pattern (they lead into the next chord)`)
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if (typeof n.deg !== 'string') {
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e(`${nw}: deg must be a degree STRING ('1', 'b7', …), got ${JSON.stringify(n.deg)}`)
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} else {
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const pc = resolveDegree(n.deg, quality)
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if (pc === null) e(`${nw}: unresolvable degree '${n.deg}' for ${quality}`)
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if (n.deg === '1') rootSeen = true
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if (n.octave !== undefined && n.octave !== 0 && n.octave !== 1)
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e(`${nw}: octave, when present, must be 0 or 1 — got ${JSON.stringify(n.octave)}`)
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else if (pc !== null && pc + 12 * (n.octave === 1 ? 1 : 0) > BASS_MAX_OFFSET)
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e(`${nw}: '${n.deg}' octave ${n.octave} sits ${pc + 12} semitones above the root — max ${BASS_MAX_OFFSET} (an octave + a fifth; keeps the pattern in one position on E–A–D–G)`)
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}
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}
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if (n.technique !== undefined && !LICK_TECHNIQUES.includes(n.technique))
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e(`${nw}: unknown technique '${n.technique}' — allowed: ${LICK_TECHNIQUES.join(', ')}`)
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if (n.beat !== undefined) {
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const maxBeat = BASS_BEATS_PER_BAR * bars
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if (typeof n.beat !== 'number' || !(n.beat >= 1 && n.beat < maxBeat + 1))
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e(`${nw}: beat must be a number in [1, ${maxBeat + 1}) for a ${bars}-bar step, got ${JSON.stringify(n.beat)}`)
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else if (n.beat < lastBeat)
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e(`${nw}: beat ${n.beat} < previous beat ${lastBeat} — beats must be non-decreasing in pattern order`)
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else lastBeat = n.beat
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}
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})
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if (!rootSeen)
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e(`${cw}: pattern never states the root ('1') — a bassline grounds the chord (SCHEMA "Bass play" root rule)`)
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})
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return out
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}
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// Pure lick validation (SCHEMA.md "Licks" section). Returns an array of error
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// strings (already where-prefixed); mutates seenIds by adding the lick's id so
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// ids stay globally unique across ALL progressions and licks (same rule as
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// progression ids). Exported for reuse by scripts/smoke.mjs.
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export function checkLick(where, lick, style, seenIds) {
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const out = []
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const e = (msg) => out.push(`${where}: ${msg}`)
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if (!lick || typeof lick !== 'object') { e('lick must be an object'); return out }
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if (typeof lick.id !== 'string' || !lick.id.startsWith(`${style}-`))
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e(`id must be a string starting with '${style}-'`)
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else if (seenIds.has(lick.id)) e(`duplicate id '${lick.id}' (ids are global across progressions AND licks)`)
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else seenIds.add(lick.id)
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if (!lick.name) e('name missing')
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if (!LEVELS.includes(lick.level)) e(`level must be one of ${LEVELS.join(' | ')}, got '${lick.level}'`)
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if (typeof lick.chordContext !== 'string' || !lick.chordContext)
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e("chordContext missing (which chord/station the lick fits, e.g. 'dom7' or 'over the I7')")
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const summary = new Set()
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if (!Array.isArray(lick.techniques)) e('techniques must be an array (may be empty for a plain-picked lick)')
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else for (const t of lick.techniques) {
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if (!LICK_TECHNIQUES.includes(t)) e(`unknown technique '${t}' — allowed: ${LICK_TECHNIQUES.join(', ')}`)
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summary.add(t)
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}
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if (!Array.isArray(lick.tab) || !lick.tab.length) { e('tab must be a non-empty ordered array of notes'); return out }
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lick.tab.forEach((note, i) => {
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const nw = `tab[${i}]`
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if (!note || typeof note !== 'object') return e(`${nw} must be an object {string, fret, technique?}`)
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if (!Number.isInteger(note.string) || note.string < 1 || note.string > 6)
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e(`${nw} string must be an integer 1–6 (1 = high e, 6 = low E), got ${JSON.stringify(note.string)}`)
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if (!Number.isInteger(note.fret) || note.fret < 0 || note.fret > LICK_MAX_FRET)
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e(`${nw} fret must be an integer 0–${LICK_MAX_FRET}, got ${JSON.stringify(note.fret)}`)
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if (note.technique !== undefined) {
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if (!LICK_TECHNIQUES.includes(note.technique))
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e(`${nw} unknown technique '${note.technique}' — allowed: ${LICK_TECHNIQUES.join(', ')}`)
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else if (!summary.has(note.technique))
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e(`${nw} technique '${note.technique}' must also appear in the lick's techniques[] summary`)
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}
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})
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return out
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}
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async function loadModule(path) {
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return (await import(pathToFileURL(path).href)).default
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}
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async function main() {
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const styleDirs = readdirSync(KB, { withFileTypes: true }).filter(d => d.isDirectory()).map(d => d.name)
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if (!styleDirs.length) { console.error('No style folders in src/data/kb/'); process.exit(1) }
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const registry = existsSync(join(KB, 'index.js')) ? await loadModule(join(KB, 'index.js')) : null
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if (!registry) err('kb/index.js', 'registry missing')
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const allIds = new Set()
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let totals = { styles: 0, progressions: 0, plays: 0, licks: 0 }
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for (const style of styleDirs) {
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const dir = join(KB, style)
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const w = `kb/${style}`
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if (registry && !registry[style]) err('kb/index.js', `style '${style}' not registered`)
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const meta = existsSync(join(dir, 'meta.js')) ? await loadModule(join(dir, 'meta.js')) : null
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if (!meta) { err(w, 'meta.js missing'); continue }
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if (meta.id !== style) err(`${w}/meta.js`, `id '${meta.id}' ≠ folder '${style}'`)
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for (const f of ['label', 'feel', 'character']) if (!meta[f]) err(`${w}/meta.js`, `missing ${f}`)
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const progs = existsSync(join(dir, 'progressions.js')) ? await loadModule(join(dir, 'progressions.js')) : null
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if (!Array.isArray(progs) || !progs.length) { err(w, 'progressions.js missing/empty'); continue }
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if (progs.length < MIN_PROGRESSIONS) err(w, `${progs.length} progressions < ${MIN_PROGRESSIONS}`)
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const progById = {}
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for (const p of progs) {
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const pw = `${w}/progressions.js [${p.id}]`
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if (!p.id?.startsWith(`${style}-`)) err(pw, `id must start with '${style}-'`)
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if (allIds.has(p.id)) err(pw, 'duplicate id'); allIds.add(p.id)
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progById[p.id] = p
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const n = p.degrees?.length
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if (!n) { err(pw, 'degrees missing'); continue }
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for (const [field, arr] of [['rn', p.rn], ['qualities', p.qualities], ['bars', p.bars]])
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if (!Array.isArray(arr) || arr.length !== n) err(pw, `${field} length ≠ degrees length`)
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if (p.degrees.some(d => !Number.isInteger(d) || d < 0 || d > 11)) err(pw, 'degrees must be ints 0-11')
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for (const q of p.qualities ?? []) if (!CHORD_TYPES[q]) err(pw, `unknown quality '${q}'`)
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if (!MODES.includes(p.mode)) err(pw, `unknown mode '${p.mode}'`)
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if (!Array.isArray(p.songs) || !p.songs.length) err(pw, 'songs missing')
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if (!p.tip) err(pw, 'tip missing')
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// Optional difficulty tag — absent means 'foundation' (consumer default).
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if (p.level !== undefined && !LEVELS.includes(p.level))
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err(pw, `level, when present, must be one of ${LEVELS.join(' | ')} — got '${p.level}'`)
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}
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totals.styles++; totals.progressions += progs.length
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for (const inst of ['guitar', 'piano', 'bass']) {
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const file = join(dir, `${inst}.js`)
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if (!existsSync(file)) continue
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const pack = await loadModule(file)
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const iw = `${w}/${inst}.js`
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if (!pack.styleIntro) err(iw, 'styleIntro missing')
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if (!Array.isArray(pack.comping) || !pack.comping.length) err(iw, 'comping missing')
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if (inst !== 'bass' && (!pack.improv?.scales?.length || !pack.improv?.targetNotes))
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err(iw, 'improv.scales / improv.targetNotes required')
|
||
|
||
const minPlays = inst === 'bass' ? MIN_PLAYS_BASS : MIN_PLAYS
|
||
for (const p of progs)
|
||
if ((pack.plays?.[p.id]?.length ?? 0) < minPlays)
|
||
err(iw, `progression '${p.id}' has < ${minPlays} play(s)`)
|
||
|
||
for (const [pid, plays] of Object.entries(pack.plays ?? {})) {
|
||
const prog = progById[pid]
|
||
if (!prog) { err(iw, `plays key '${pid}' is not a progression of this style`); continue }
|
||
plays.forEach((play, pi) => {
|
||
const lw = `${iw} ${pid} play[${pi}] "${play.label ?? '?'}"`
|
||
if (!play.label || !play.level || !play.tips) err(lw, 'label/level/tips required')
|
||
totals.plays++
|
||
if (inst === 'bass') { for (const m of checkBassPlay(lw, play, prog)) errors.push(m); return }
|
||
if (!Array.isArray(play.chords) || play.chords.length !== prog.degrees.length)
|
||
return err(lw, `chords length ≠ progression length ${prog.degrees.length}`)
|
||
play.chords.forEach((step, ci) => {
|
||
const cw = `${lw} chord[${ci}] (${prog.rn[ci]})`
|
||
if (inst === 'guitar') checkGuitarShape(cw, step, prog.qualities[ci])
|
||
else for (const m of checkPianoRecipe(cw, step, prog.qualities[ci])) errors.push(m)
|
||
})
|
||
})
|
||
}
|
||
|
||
// Optional structured licks (SCHEMA.md "Licks") — a top-level `licks` key
|
||
// on the instrument pack. Absent is fine; when present it must validate.
|
||
if (pack.licks !== undefined) {
|
||
if (!Array.isArray(pack.licks) || !pack.licks.length) {
|
||
err(iw, 'licks, when present, must be a non-empty array')
|
||
} else {
|
||
pack.licks.forEach((lick, li) => {
|
||
const lkw = `${iw} licks[${li}] "${lick?.id ?? '?'}"`
|
||
for (const m of checkLick(lkw, lick, style, allIds)) errors.push(m)
|
||
})
|
||
totals.licks += pack.licks.length
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
if (errors.length) {
|
||
console.error(`✗ KB validation failed — ${errors.length} error(s):\n`)
|
||
for (const e of errors) console.error(' ' + e)
|
||
process.exit(1)
|
||
}
|
||
const lickNote = totals.licks ? `, ${totals.licks} licks` : ''
|
||
console.log(`✓ KB valid — ${totals.styles} style(s), ${totals.progressions} progressions, ${totals.plays} plays${lickNote}`)
|
||
}
|
||
|
||
// Run the full validation unless imported as a library (see header comment).
|
||
// Safe-by-default: an unset env var always means "run" — the gate can't be
|
||
// skipped by a path-comparison quirk.
|
||
if (!process.env.KB_VALIDATE_AS_LIB) await main()
|