feat: styles minimaux, fusions et volets figes dans la visionneuse xlsx #153

A15 — le rendu tableur lit les metadonnees du classeur (une charge en mode
normal par feuille) et les restitue : styles inline data-driven (couleur de
police en premier, fond, gras/italique, format numerique signale en mono),
alignements non-defaut, plages fusionnees (rowSpan/colSpan cote client) et
ancrage des volets figes (sticky rows/cols). Le chargement lazy replie les
metadonnees de chaque fenetre. Contrat API : styles/aligns = {ref: css},
merges = [ranges], freeze = ancre. 9 tests backend + contre-preuve (5 echecs
sur neutralisation), JSDOM 33/33.

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Co-Authored-By: Codebuff <[email protected]>
This commit is contained in:
2026-09-28 16:07:58 -04:00
parent d5c528fead
commit dff32a97ee
14 changed files with 400 additions and 16 deletions
+3
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@@ -309,6 +309,9 @@ async def api_file(vault_name: str, path: str = Query(..., description="Relative
try:
from backend.xlsx_reader import inspect_workbook, render_sheets
# #153 A15 — every sheet dict already carries its styles, aligns,
# merges and freeze anchor (read_workbook_meta, one normal-mode
# load inside render_sheets).
sheets = render_sheets(file_path)
size = file_path.stat().st_size
return {