JS SPV · write + compile in Kate · SPV land
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Yes — keep growing JS plugs here. Konsole not required.

WRITE
  1. Open AMOURANTHRTX.kateproject (wb kate / launch-composite)
  2. Edit spvs/<id>.js + spvs/<id>.dom.html
  3. Or scaffold:  bin/js_spv_new.sh myplug
  4. Save (Ctrl+S)

COMPILE (structure · braces · registry · optional node --check)
  Tools → AMOURANTHRTX → ESSIE · Compile JS SPV (current)
  Tools → AMOURANTHRTX → ESSIE · Compile ALL JS SPVs
  CLI:  bin/js_spv_compile.sh spvs/myplug.js
        bin/js_spv_compile.sh all

SEAT / RUN
  Tools → ESSIE · Seat current plug
  Tools → ESSIE · Seat JS 100%
  wb in myplug
  wb in js_all          · command suite 100%
  wb pack && wb open    · pack injects js/commands.js first

GRAPHICS
  Tools → ESSIE · Engine SDF
  Tools → ESSIE · Build compute SPVs
  (not JS — GPU .comp · still Kate-edited)

LAW
  every plug: mount(root,api) · BGRTX_SPV_PLUGS · rides BGF
  free never folds · |1 live marks
  commands.js = full JS 100% registry (pack)
  js_all has builtin mini suite if commands not loaded yet

CONSOLE
  wb in term · ESSIE term plug · not Konsole