Avoid unused optimizer metrics during candidate selection

Objective

Avoid unused optimizer metrics during candidate selection.

Notes: Optimizer enumeration now computes only the requested objective and optional drawdown per candidate, then full metrics once for the winner and once for holdout; 22 focused tests pass. Hosted t302 latency evidence remains unavailable and the gate stays open.

Approach

[reconstructed — uncertain] No dedicated findings Markdown located for t314. Summary reconstructed from research/findings/task-history.json entry and git history. Uncertain fields: detailed approach, exact file list, and metrics beyond the task note.

Files / code / data changed

• No commit SHA confidently associated with t314 in sampled log [reconstructed — uncertain].
• Task-history entry: research/findings/task-history.json#t314

Results

Task note: Optimizer enumeration now computes only the requested objective and optional drawdown per candidate, then full metrics once for the winner and once for holdout; 22 focused tests pass. Hosted t302 latency evidence remains unavailable and the gate stays open. [reconstructed — uncertain] No quantitative tables recovered for this entry; see git diff and task-history for grounds.

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.

Links

• Task-history: research/findings/task-history.json id t314