- Promoted Warm Pool Size=16 as the new baseline (+3.26% gain).
- Updated PERFORMANCE_TARGETS_SCORECARD.md with Phase 69 results.
- Updated scripts/run_mixed_10_cleanenv.sh and core/bench_profile.h to use HAKMEM_WARM_POOL_SIZE=16 by default.
- Clarified that TINY_REFILL_BATCH_SIZE is not currently connected.