bachir
b6358a7258
With 5+ years of migrated history, loading every ligne up front took ~40s. The table now only ever holds a date-range window (~18 months around today by default), extended by 6 months when scrolling near either edge and trimmed from the far end past a 30-month cap. The totals footer and "Année" filter can't be answered from a partial window, so they're backed by two new small endpoints (LedgerStatsController) instead: per-compte totals for whichever year is currently scrolled into view, and the distinct list of years with data.