Chapters: what a workbook/worksheet/cell is; saving a workbook as JSON; portability & version control (diff a workbook in a PR).
Acceptance: merged + CI-green. Gate G2 deliverable.
See truecalc/distributions plan §12 (learn-as-we-build, Fumadocs) and the chapter ladder. Tutorial-writer persona: explain to someone who has never opened a spreadsheet. Never assert spreadsheet behavior without a fixture ID from truecalc/core.
Chapters: what a workbook/worksheet/cell is; saving a workbook as JSON; portability & version control (diff a workbook in a PR).
Acceptance: merged + CI-green. Gate G2 deliverable.
See truecalc/distributions plan §12 (learn-as-we-build, Fumadocs) and the chapter ladder. Tutorial-writer persona: explain to someone who has never opened a spreadsheet. Never assert spreadsheet behavior without a fixture ID from truecalc/core.