Viz graph: show each voice's FULL fx chain as chips, not just declared inserts

Paul: 'there were tons of effects listed and none showing up in the nodes — were they not actually on?' They were on — the graph only drew u.inserts (<=2), dropping the real channel-strip DSP (HPF/LPF/EQ/saturate/comp/chorus/…) that the old per-lane line listed via fxLabels.

▶ Play it: Food Court Eternity — the brightest, most processed corner of the space https://stellate.app/?genre=vaporwave&seed=4243&path=1679.4393,1698.4426,1660.4426&xdur=13.122

904b849 https://github.com/aboard-io/stellate/commit/904b8493cd85c7cae3a65c9bc92ebc68a3979331