Wave 4: runtime-host

Merged
TH
3mo ago
+1286-64

User description

Summary

  • HostExecutor implementation: allowlist enforcement, env/credential passing, artifact collection, log truncation, timeout + SIGKILL grace
  • 47 tests pass across 4 files (allowlist, errors, host-executor, public-api)
  • Typecheck clean, build produces dist/index.mjs + dist/index.d.mts
  • Spec 05 amended to match built runtime contract (request.env/request.credentials, retry is scheduler-owned)
  • Reviewer approved (sv-gab)

Test plan

  • bun run test (runtime-host: 47 tests pass)
  • bun run typecheck (clean)
  • bun run build (green)
  • reviewer approved

Stacked on #3

Generated with Devin

CodeAnt-AI Description

Add a controlled host executor for running approved local commands

What Changed

  • Adds a public host executor that runs allowlisted local commands and reports status, exit codes, logs, duration, and collected artifacts
  • Restricts environment variables, working directories, and privilege-related commands to reduce unintended access
  • Stops processes that exceed their timeout, limits oversized logs, and reports missing artifacts without hiding the command result
  • Exposes the executor, allowlist, configuration types, and structured errors through the package API
  • Adds coverage for command filtering, execution outcomes, timeouts, environment handling, workspace boundaries, artifacts, log limits, and security checks

Impact

✅ Controlled local command execution
✅ Fewer stuck processes and oversized logs
✅ Reduced environment leakage and workspace escapes

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