security(figma): owner-only perms for .vxd-design context artifacts (P0-07)#117
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The Figma design context (node IDs + token metadata that map back to internal design files) was written 0o755/0o644 — readable by any local user on a shared dispatch host. - figma.BuildDesignContext: dir 0o700 (chmod repairs a pre-existing looser dir), DESIGN_CONTEXT.md + PNG renders 0o600. - engine.copyDesignDir (worktree copies): same 0o700/0o600. - Test: TestFigmaBuildContext_FilePermsOwnerOnly (incl. loose-dir repair). - Docs: CLAUDE.md Figma hygiene bullet. Closes WEAKNESSES.md P0-07. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Summary
0o755/0o644— readable by any local user on a shared dispatch host.figma.BuildDesignContext: dir0o700(chmod repairs a pre-existing looser dir),DESIGN_CONTEXT.md+ PNG renders0o600.engine.copyDesignDir(worktree copies): same0o700/0o600.Tests
TestFigmaBuildContext_FilePermsOwnerOnly— every file0o600, dir0o700, including repair of a pre-created loose dir.Closes WEAKNESSES.md P0-07.
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