created sandcastle-daemon-smoke-20260605T185057Z.md

[cexll]

Closes #31

Target branch: main
Source branch: agent/issue-31
Run log: /tmp/claude-501/sandcastle-daemon-run-20260605T185057Z/data/runs/cexll/codex-mcp-server/31/attempts/001.log

Summary

• Created repository-root marker file sandcastle-daemon-smoke-20260605T185057Z.md with the requested controlled smoke content.

Validation

• node -e 'const fs=require("fs");const marker="sandcastle-daemon-smoke-20260605T185057Z.md";const expected="sandcastle github-daemon smoke 20260605T185057Z";const actual=fs.readFileSync(marker,"utf8").replace(/\n$/,'"'"''"'"');if(actual!==expected){throw new Error(JSON.stringify({actual,expected}));}': exit 0; Verified marker file exists and exact content matches.; coverage: Controlled smoke marker file only.

Review

Only the requested repository-root smoke marker file was changed.

Risks

• None reported

Sensitive files skipped by daemon auto-commit

• None