Docs: one Last updated line per doc after the merges

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

ROADMAP.md

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 **Stage: alpha** · next: beta, ~25 points of "ready for real work" and ~160–240 h away
 
 > **Last reviewed:** 2026-10-11 · **Last updated:** 2026-10-12 · **Change:** minor (rows auto-fit oversized fonts on open and whole-row/column formatting) · **Target:** Microsoft Excel (Microsoft 365)
-> **Last reviewed:** 2026-10-11 · **Last updated:** 2026-10-12 · **Change:** minor (editable ink survives XLSX saves) · **Target:** Microsoft Excel (Microsoft 365)
 
 GridCraft aims at full Microsoft Excel parity, and at being better in places: faster, open (XLSX
 is the native format), fully scriptable by agents (MCP, control channel, CLI), and on the web.

docs/file-format-parity.md

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 # File-format parity
 
 > **Last reviewed:** 2026-10-11 · **Last updated:** 2026-10-12 · **Change:** trivial (XLSX chart sheets are kept on save (#727); previously minor: CSV save keeps the separator it was opened with) · **Target:** Microsoft Excel (Microsoft 365), Excel for Mac 16.113.4
-> **Last reviewed:** 2026-10-11 · **Last updated:** 2026-10-12 · **Change:** trivial (CSV and TSV export is capped at 512 MiB and refuses a larger used range with an error (#528); previously minor: CSV save keeps the separator it was opened with) · **Target:** Microsoft Excel (Microsoft 365), Excel for Mac 16.113.4
-> **Last reviewed:** 2026-10-11 · **Last updated:** 2026-10-12 · **Change:** minor (`.xls` import reads the calculation settings) · **Target:** Microsoft Excel (Microsoft 365), Excel for Mac 16.113.4
-> **Last reviewed:** 2026-10-11 · **Last updated:** 2026-10-12 · **Change:** minor (editable ink round-trips as DrawingML geometry) · **Target:** Microsoft Excel (Microsoft 365), Excel for Mac 16.113.4
-> **Last reviewed:** 2026-10-11 · **Last updated:** 2026-10-12 · **Change:** minor (`.xls` array formulas fill their range on recalculation) · **Target:** Microsoft Excel (Microsoft 365), Excel for Mac 16.113.4
-> **Last reviewed:** 2026-10-11 · **Last updated:** 2026-10-12 · **Change:** minor (macOS Open With offers GridCraft for `.xlsb` and `.ods`) · **Target:** Microsoft Excel (Microsoft 365), Excel for Mac 16.113.4
 
 Every format Excel opens or saves, with GridCraft's read and write support, fidelity and tests.
 Part of [target-app-parity.md](target-app-parity.md). **File formats: ~50% ready, 80–120 h**

docs/gaps.md

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 # Gaps
 
 > **Last reviewed:** 2026-10-11 · **Last updated:** 2026-10-12 · **Change:** minor (rows auto-fit oversized fonts on open and whole-row/column formatting) · **Target:** Microsoft Excel (Microsoft 365)
-> **Last reviewed:** 2026-10-11 · **Last updated:** 2026-10-12 · **Change:** minor (ink XLSX preservation; icons still pending) · **Target:** Microsoft Excel (Microsoft 365)
-> **Last reviewed:** 2026-10-12 · **Last updated:** 2026-10-12 · **Change:** minor (§8: PivotTable values on rows) · **Target:** Microsoft Excel (Microsoft 365)
 
 Every known shortfall against Excel, one entry each, ranked by user impact (what blocks someone
 using GridCraft for real work first). This is the work list: pick from the top, check the open

docs/localization-parity.md

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 # Localization parity
 
 > **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-12 · **Change:** minor (Format Cells dialog looks its labels up in the catalog) · **Target:** Microsoft Excel (Microsoft 365), Excel for Mac 16.113.4
-> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-12 · **Change:** minor (Brazilian Portuguese catalog: dialogs, menus and tooltips) · **Target:** Microsoft Excel (Microsoft 365), Excel for Mac 16.113.4
 
 Per-language status against Excel, which ships its UI in dozens of languages (Windows language
 packs cover 100+), with localized function names, argument separators, number and date formats,

docs/target-app-parity.md

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 # Target-app parity: GridCraft vs Microsoft Excel
 
 > **Last reviewed:** 2026-10-11 · **Last updated:** 2026-10-12 · **Change:** minor (rows auto-fit oversized fonts on open and row formatting) · **Target:** Microsoft Excel (Microsoft 365)
-> **Last reviewed:** 2026-10-11 · **Last updated:** 2026-10-12 · **Change:** minor (sheet-tab navigation reveals the selected tab without interrupting manual scrolling) · **Target:** Microsoft Excel (Microsoft 365)
-> **Last reviewed:** 2026-10-12 · **Last updated:** 2026-10-12 · **Change:** minor (PivotTables: values on rows) · **Target:** Microsoft Excel (Microsoft 365)
 
 This is the authoritative parity assessment. [`ROADMAP.md`](../ROADMAP.md) summarizes it,
 [`gaps.md`](gaps.md) lists every shortfall, and the area checklists hold the detail:

docs/ui-parity.md

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 # UI parity
 
-> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-12 · **Change:** minor (the File view's recent list tells when each workbook was last changed) · **Target:** Microsoft Excel (Microsoft 365), Excel for Mac 16.113.4
 > **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-13 · **Change:** minor (horizontal scrollbar in the sheet tab bar, #840) · **Target:** Microsoft Excel (Microsoft 365), Excel for Mac 16.113.4
-> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-12 · **Change:** minor (Ctrl+wheel zoom steps along a ladder through 100%) · **Target:** Microsoft Excel (Microsoft 365), Excel for Mac 16.113.4
-> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-12 · **Change:** minor (sheet-tab navigation reveals the selected tab without interrupting manual scrolling) · **Target:** Microsoft Excel (Microsoft 365), Excel for Mac 16.113.4
-> **Last reviewed:** 2026-10-12 · **Last updated:** 2026-10-12 · **Change:** minor (Alt+Down opens AutoFilter header menus) · **Target:** Microsoft Excel (Microsoft 365), Excel for Mac 16.113.4
-> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-12 · **Change:** minor (ribbon and menu Paste paste the system clipboard like Cmd/Ctrl+V; regression test for the Paste button freeze, #273; Paste button gets an accessible name) · **Target:** Microsoft Excel (Microsoft 365), Excel for Mac 16.113.4
 
 Interaction, controls and feel, against Excel. Part of [target-app-parity.md](target-app-parity.md).
 **UI/UX fidelity: ~55% ready, 50–80 h** (estimated). Ribbon command coverage is measured