## Summary
- Adds `rerun_trace_id` field to all request schemas (`OptimizeSchema`,
`OptimizeSchemaLP`, `TestGenSchema`, `RefinementRequestSchema`,
`CodeRepairRequestSchema`)
- Creates `core/shared/replay.py` with shared rerun logic that queries
`optimization_features` and returns stored results
- Adds early-return short-circuit to `/optimize`,
`/optimize-line-profiler`, `/testgen`, `/refinement`, `/code_repair` —
bypasses LLM calls when `rerun_trace_id` is provided
- Filters results by `optimizations_origin.source` (OPTIMIZE,
OPTIMIZE_LP, REFINE, REPAIR) and matches by parent optimization ID for
refinement/repair
## Test plan
- [ ] Run optimization normally to populate `optimization_features` with
a trace_id
- [ ] Rerun with `codeflash --rerun <trace_id>` against local server
- [ ] Verify each endpoint returns stored results without LLM calls
- [ ] Verify backward compatibility — requests without `rerun_trace_id`
behave unchanged
🤖 Generated with [Claude Code](https://claude.com/claude-code)
---------
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Co-authored-by: claude[bot] <41898282+claude[bot]@users.noreply.github.com>
Co-authored-by: Sarthak Agarwal <sarthak.saga@gmail.com>
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