world.js PROG_MODE: label the six wave-3 progressions

The forms wave added whole_tone/interchange/mediant/blues_16/quartal/epic_maj to csd-engine PROGRESSIONS and wired them into anchors (moonlagoon, bebop, idm, happyhardcore, …).

▶ Play it: Serotonin Stampede → Mercury Interrogation → Tidal Locking — the three genres this change names, as one path https://stellate.app/?genre=happyhardcore&seed=9342&path=1992.10036,694.13856,1463.10683&xdur=0.184

0ec721c https://github.com/aboard-io/stellate/commit/0ec721cef3c69d49c8a43aa89f766eb24cde6426