Update to Keyshift Chord Transposer

{
  "description": "Transpose chord sheets, find capo shapes and show an interactive monospaced sheet with a printable monospaced PDF.",
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      "relative_path": "SKILL.md.bak-20261026b",
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  "name": "chord-transposer",
  "skill_md_contents": "---\nname: chord-transposer\ndescription: Transpose chord sheets, find capo shapes and show an interactive monospaced sheet with a printable monospaced PDF.\n---\n\n# Keyshift Chord Transposer\n\nCall `transpose_chords` with `sheet` and one choice: `semitones` (-11 to +11), `from_key` with `to_key` (same major/minor mode), or `capo_fret` (0 to 9). A capo-fret input returns shapes below the sounding key; shapes plus fret reproduce that key. Use `spelling: auto` for target-key spelling, or `sharps`/`flats` for consistent spelling across round trips.\n\nCall `find_capo_options` with a sounding `key` or a `chords` list (1 to 100 names). Share the ten fret options and easy open chord counts. For a key input it uses the seven diatonic triads; ease counts only the listed open chord names and their 7 forms.\n\nCall `show_chord_sheet` with `sheet` and optionally `from_key` to show the unshifted sheet. Its -1/+1 controls call `transpose_chords` on the current sheet.\n\nChord sheets support chord-only lines above lyrics and ChordPro brackets such as `[Am]Lantern [F]garden`. Sheets have a 12,000-character limit. Root and slash bass move; quality text stays the same. Tabs use 8-column stops, and collisions move later chords right with one separating space.\n\nRead the summary, chord mapping, estimate note and PDF link to the user. Lyrics are in widget-only metadata and a sealed stateless file link, not the model-visible summary. The key estimate considers the first and last chord and can be wrong for songs that change key.\n\nPDFs print Latin, Greek, Cyrillic, Vietnamese, Chinese, Japanese and Korean lyrics; CJK characters take two columns. Right-to-left scripts and emoji get a note instead of a PDF; do not silently transliterate the user's lyrics. No audio, tablature or staff notation is supported.\n\nConventional qualities combine minor/major aliases, extensions, suspensions, additions and alterations (for example min7, mmaj7 and maj7#11). Enharmonic names normalize to the chosen spelling; a reverse shift can restore pitches without restoring the original names. Keep the original sheet when its spelling must be restored.\n"
}