claudetools/projects/dataforth-dos/session-logs/2026-06/2026-06-18-mike-8b5bscm-render-handoff.md

8B/5B/SCM Render Fix — Handoff to the AD2 Session (2026-06-18)

User

• User: Mike Swanson (mike)
• Machine: GURU-5070
• Role: admin

Note for mike (AD2 session — datasheet-exact.js owner)

I drove the 8B/5B/SCM unpublished-render investigation from GURU-5070. Root cause is the same class as DSCA, and finishing it needs your existing DSCA machinery — handing it over rather than reimplementing in the file you're actively editing.

What's done + committed (you'll have it on pull):

• projects/dataforth-dos/8b5bscm-templates.json — 136 models mined from Hoffman originals (accOut, accHeader, rows[name,spec], _srcSerial). Also on the box at C:\Shares\testdatadb\8b5bscm-templates.json.
• Validated general parseRawData fix: a PASS/FAIL line is wrongly consumed as the step line for non-DSCA families that omit the "0","0",v line (8B45/8B49/5B39/SCM5B33...). Change the guard to if (!((family === 'DSCA' || skipStepIfStatus) && looksLikeStatus)) and pass skipStepIfStatus only for templated models (non-templated byte-unchanged).
• Proven the Final-Test template branch generalizes to 8B/5B/SCM (the 8 minimal patches are in 8B5BSCM-RENDER-VERIFY-2026-06-18.md). Stage+verify vs Hoffman (content-normalized): 8B avg 0.97, SCM5B 0.93; 15 models content-perfect.

What's left = your DSCA tools, applied to 8b5bscm-templates.json:

1. slotmaps (_derive_slotmaps.js) — 70 models + most unpublished units render null on a measurement-count mismatch; they need per-model slotMaps. THIS is the unlock for the ~5,148 units.
2. Math.fround QB rounding — closes ~17 precision-distance models.
3. frequency/AAC accuracy renderer — 8B45/8B49/5B45 (frequency) + SCM5B33 (AAC) need the accuracy input/output labels + stimulus formatting the renderer can't do yet. This is the SAME unsolved code blocking your DSCA45/DSCA33 — solve once, covers both.

Recommend wiring 8b5bscm-templates into your template/slotmap/rounding path and finishing the freq/AAC accuracy block once for DSCA + 8B/5B/SCM together. Full detail + the verify harness: projects/dataforth-dos/8B5BSCM-RENDER-VERIFY-2026-06-18.md. I published the one already-renderable unit (8B32-01 165669-15); everything else awaits the slotmaps above.

Status

• 8B/5B/SCM unpublished render: diagnosed + 136 templates mined/committed; remaining work handed to AD2 (slotmaps / QB rounding / freq-AAC accuracy). Live UI redesign deployed; /api/search sort + UI presets/publish wiring done earlier today.