* feat(#2632): record executor actuals and close the estimate calibration loop
* fix(#2632): calibrate against the raw projection so the loop converges
* test(#2632): add closed-loop convergence guard and codify the feedback-loop rule
* fix(#2632): pair calibration samples per plan; atomic write; amend adr
* chore(#2632): backfill changeset pr to 2672
* fix(#2632): retry renameSync on transient windows errnos and clean up the temp