Mirror the voicing/fn.rn teaching-mark render for the two new chord-template
fields, in both the 2D and 3D highways:
- Extend the shared pure chordHarmonyLabels() helper (identical in static/highway.js
and plugins/highway_3d/screen.js) to also surface caged ("CAGED: E") and
guideTones ("gt 4,10"), pre-formatted and node-testable. Invalid caged enum and
out-of-range / non-int guide tones are filtered out.
- Draw both, stacked above the existing rn/voicing labels, in distinct colors.
- Gated behind the SAME teaching-marks toggle (_showTeachingMarks 2D /
teachingMarksVisible 3D) — no clutter on the default highway.
Render only — no scoring / NoteVerifier coupling.
Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
* feat(core): carry chord harmony fn + template voicing on the wire (§6.3.1, §6.6)
Add two OPTIONAL per-chord harmony annotations (feedpak 1.7.0), mirroring the
teaching-marks (fg/ch/sd) wire work:
- Chord.fn (instance): {rn, q, deg} harmonic-function object, key-dependent.
Validated by _validate_fn on BOTH decode and emit so a partial / out-of-range
fn (which would fail the schema's required-keys rule) never rides the wire.
Default-omitted, mirroring bend bnv.
- ChordTemplate.voicing (template): key-independent voicing-type string
("open", "triad", "shell", "drop2", "barre", ...). Emitted only when
non-empty; non-string wire values fall back to "".
Display/teaching only — never fed to a grader (honesty rule). fn auto-derivation
is DEFERRED (carry-only): a complete rn/q needs chord-quality analysis, and a
deg-only fn would be schema-invalid, so server.py carries author-provided fn
unchanged. GP import unchanged (no reliable per-chord function/voicing).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
* feat(highway): render chord harmony fn.rn + voicing on 2D + 3D (§6.3.1, §6.6)
Draw the chord's harmonic-function Roman numeral (instance fn.rn) and its
template voicing string, stacked above the chord name on both highways. A shared
pure helper chordHarmonyLabels(fn, voicing) formats the two labels (empty when
absent/malformed) and is node-tested against both files.
Both labels are gated behind the EXISTING teaching-marks opt-in
(_showTeachingMarks / teachingMarksVisible bundle flag) — they're chord-level
teaching overlays, same class as sd/ch, so they stay off the default highway.
2D guards the empty-note-chord case; 3D reuses the gold chord-label sprite style.
Render only — no scoring / NoteVerifier path is touched (honesty rule).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
