* claim: new designs save as .sc
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
* New designs save as .sc; .solidcraft files still open and keep their name on Save
DESIGN_EXT is now "sc"; DESIGN_EXTS lists sc, solidcraft and solvecraft and
every open path (dialogs, drag-drop, recent files, CLI, MCP, links, the web
picker) accepts all three. Save of an opened .solidcraft file writes that
file; Save As, autosave, recovery and crash reports use .sc. Windows, macOS
and Linux register .sc alongside the older extensions.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
* Update UI tests for the .sc default extension
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
bherbruck