2-tier statutory break deduction: new fusion.clock.break.rule per-province table (seed Ontario 5h/30 + 10h/30); x_fclk_break_minutes becomes an idempotent stored compute (statutory + penalties) firing on every path incl. manual backend entry; collapses the 4 duplicated break-write sites into one calculator. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>