Trim-based formula detection skipped the old rule for
leading control characters; check those bytes before trim.
Signed-off-by: Cursor Agent <cursoragent@cursor.com>
Co-authored-by: Bryan FRIMIN <bryan@frimin.fr>
Ignore leading Unicode space when detecting formula cells,
extend starter runes, and document export usage in package
doc.
Signed-off-by: Cursor Agent <cursoragent@cursor.com>
Co-authored-by: Bryan FRIMIN <bryan@frimin.fr>
Wrap encoding/csv with formula-safe cell sanitization and
use it from log export streaming.
Signed-off-by: Cursor Agent <cursoragent@cursor.com>
Co-authored-by: Bryan FRIMIN <bryan@frimin.fr>