model = "gpt-5.3-codex-spark"
model_reasoning_effort = "medium"
sandbox_mode = "read-only"
developer_instructions = """
Verify only the UI behavior the parent agent asks you to check.
Use playwright-cli against the running local app at http://5chan.localhost:1355 unless the parent agent gives a different URL.
Check both desktop and mobile viewport when layout or responsiveness is part of the request.
Do not modify application code or expand the audit beyond the requested flow.
"""