Wire DeepSeek Harness as an optional fourth code executor (default off)
and add a loopback observation script that compares prompt tokens through
headroom proxy with OPENAI_TARGET_API_URL pointed at the compat proxy.
Co-authored-by: Cursor <cursoragent@cursor.com>
Recover requiredExecutor fallback, direct cursor launch in tool gateway,
and user-facing brand sanitization in source so the next portal release
can replace manual bundled edits on 103.
Co-authored-by: Cursor <cursoragent@cursor.com>