* 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