Re-derive statement periods from line dates — DRY RUN (set COMMIT=1 to write)
========================================================================================
  #106 HANSER         printed 2026-09-04  latest line 2026-09-03   period 2026-08 -> 2026-09
  #109 MORLAKO        printed 2026-09-09  latest line 2026-09-09   period 2026-08 -> 2026-09
  #110 ERIEVOVO       printed 2026-09-09  latest line 2026-09-08   period 2026-08 -> 2026-09
  #158 BMA            printed 2026-10-05  latest line 2026-10-05   period 2026-09 -> 2026-10
  #159 CJAUTO         printed 2026-10-02  latest line 2026-10-01   period 2026-09 -> 2026-10
  #169 HOLBROOK       printed 2026-10-06  latest line 2026-10-05   period 2026-09 -> 2026-10
  #175 MORLAKO        printed 2026-10-04  latest line 2026-10-04   period 2026-09 -> 2026-10
  #189 WHEELSAMERICA  printed 2026-10-02  latest line 2026-10-02   period 2026-09 -> 2026-10

Dry run — nothing written.