- Versions now belong to the document (DocState.versions) instead of a process-global map keyed by
document uid, so they survive closing the file. A new, renamed or deleted version marks the file
as changed.
- .figcraft: `versions/index.json` (id, name, description, time, image hashes) plus one deflated
`versions/<id>.json` snapshot per version; images only versions use are stored once and kept with
them. Snapshots read from a file are parsed on first use (and written back as-is). Readers that
don't know versions ignore the entries; files without versions load unchanged. Damaged, missing,
oversized or duplicate entries are skipped and reported, never failing the load. At most 100
versions per file; names and descriptions are clipped.
- Commands: `file.saveVersion {name?, description?}` returns the version; `version.list`;
`version.restore {id | index}` (one undo step, keeps the file name, stays on the current page);
`version.rename {id | index, name, description?}`; `version.delete`; `version.duplicate` (opens
the snapshot in a new tab). Indexes are validated: a negative index used to restore version 0.
`req_index` param helper shared with the guide commands.
- Version history panel in the left sidebar in place of Pages and Layers (File > Show version
history; Save to version history opens it with the form): save form (title, description),
"Current version" on top and the versions newest first on a timeline with name, relative time and
description; per-version menu (also right-click): Restore, Rename (title and description inline),
Duplicate, Delete (confirmed inline). New shared `widgets::button`.
- `figcraft-cli run --out x.figcraft` keeps the version history.
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
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