quantmodel — Implement custom Meta strategy construction

Objective

Implement custom Meta strategy construction.

Notes: Completed pure custom-meta core and deterministic 102/102 spec-derived tradable-assets registry catalog; split payload and browser controls into bounded follow-ups.

Approach

Reuses existing report research/findings/custom-meta-core-t252.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 t252 in sampled log [reconstructed — uncertain].
Source report: research/findings/custom-meta-core-t252.md
Task-history entry: research/findings/task-history.json#t252

Results

Conclusions and metrics are in research/findings/custom-meta-core-t252.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.