Add SanitizeLogs() that strips ANSI escape sequences and non-printable
control characters (preserving newlines, carriage returns, and tabs)
from all container and deployment log output paths:
- HandleAppLogs (text/plain response)
- HandleDeploymentLogsAPI (JSON response)
- HandleContainerLogsAPI (JSON response)
Container log output is attacker-controlled data. Content-Type alone
is insufficient — the data itself must be sanitized before serving.
Includes comprehensive test coverage for the sanitization function.
- Update nolint comment on log streaming to accurately describe why
gosec is suppressed (text/plain Content-Type, not HTML)
- Replace <script type="text/plain"> with data attribute for initial
logs to prevent </script> breakout from attacker-controlled log data
- Move RemoveImage before unexported methods (funcorder)
- Fix file permissions in test (gosec G306)
- Rename unused parameters in export_test.go (revive)
- Add required blank line before assignment (wsl)
