Add a "Répartitions" section below manual adjustments listing all
split transactions. Clicking a split opens the existing modal to
view, edit, or delete it.
Fix CSV auto-detect failing on files with preamble lines (e.g.
Mastercard CSVs with metadata header). Three fixes:
- Delimiter detection uses mode of column counts instead of first-line
- Detect and skip preamble rows before header/data detection
- Exclude date-like columns from amount candidates and prefer columns
with decimal values when picking the amount column
Bumps version to 0.3.4.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>