quantmodel — Browser-validate comparison drawdown chart

Objective

Browser-validate comparison drawdown chart.

Notes: Chromium confirmed synchronized 211-month labels/order/colors, percentage underwater decline/recovery, responsive canvas, and chart destruction on selection and payload-error states; no product change needed.

Approach

Reuses existing report research/findings/comparison-drawdown-validation-t235.md — tables/metrics preserved verbatim via source_report pointer. Body below summarizes grounded evidence from that report and adjacent artifacts.

Files / code / data changed

No commit SHA confidently associated with t235 in sampled log [reconstructed — uncertain].
Source report: research/findings/comparison-drawdown-validation-t235.md
Task-history entry: research/findings/task-history.json#t235

Results

Conclusions and metrics are in research/findings/comparison-drawdown-validation-t235.md; see detail page for preserved tables/metrics.

Conclusions

[reconstructed — uncertain] Outcome inferred from status done and task note.

Problems / follow-ups

See source report or PR discussion for follow-ups. No unsupported follow-ups fabricated.