{"ns":"sheet","title":"Gridline · Spreadsheet","domain":"Spreadsheet — formulas with relative / $-anchored refs, cross-sheet references, fill, sort, data validation, protected sheets","stack":"Vanilla TypeScript · Canvas 2D grid (no DOM cells) · frozen header row and column · shared formula engine","tenant":"default","auth":{"kind":"none"},"users":[],"builds":{"4.2.1":"","4.2.2":"","4.2.3":"","4.2.4":"","4.2.5":""},"collections":[],"routes":["GET /api/sheet/workbook","GET /api/sheet/sheets/:id/cells/:addr","PATCH /api/sheet/sheets/:id/cells","POST /api/sheet/sheets/:id/fill","POST /api/sheet/sheets/:id/sort","PATCH /api/sheet/sheets/:id","POST /api/sheet/eval","POST /api/sheet/reset"],"seededAt":"2026-10-19T05:03:39.215Z"}