sbx: document overriding agent settings from a kit#25160
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Assessment: 🟡 NEEDS ATTENTION
Two medium-severity issues found in the new content — both on the same closing sentence of the new kit-examples.md section. The overall approach (using commands.startup with a heredoc) is sound and the docs are clear. No redirects needed (new content only).
Sandboxes write settings files for some built-in agents (such as /home/agent/.claude/settings.json for the claude agent) via a PostStart hook in vm_configurator.go, which fires after kit static files and initFiles. Document the overwrite behavior in kits.md and add a worked commands.startup example in kit-examples.md.
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mdelapenya
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May 26, 2026
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Summary
Static files and
initFilescan't override paths the active agent writes during its own setup (such as/home/agent/.claude/settings.json), because the agent's setup runs after kit injection. This surfaced from user feedback on the kits page.kits.md(Inject files): short conceptual note that workspace files work as static files, but user-scope paths under/home/agent/get overwritten, with a pointer to the example.kit-examples.md: new "Override agent settings" section with acommands.startupworkaround using a heredoc.Generated by Claude Code