- Rewrite TestApplySandboxToolsRefactored to test ComputerToolProvider
directly (_apply_sandbox_tools was removed; old tests permanently skipped)
- Add TestExecutorCapabilityGuard with 5 strict tests for browser
capability rejection at executor level
- Fix typo: "on hehalf you" -> "on behalf of you" in subagent result
- Remove extra blank lines (ruff E303) after _apply_sandbox_tools comment
- Remove dead _build_sync_and_scan_command (no callers after refactor)
zenfun