test: add autofix smoke test comment to config.sh

[kulvirgit]

Add a comment at the top of script/autofix/config.sh (after the shebang line) that says:

# Smoke test: autofix system verified working on 2026-03-26

This is a test issue for the autofix system.

[kulvirgit]

Autofix failed

Codex exited with code 2
error: the argument '--full-auto' cannot be used with '--dangerously-bypass-approvals-and-sandbox'

Usage: codex exec --full-auto --model <MODEL> --cd <DIR> <PROMPT>

For more information, try '--help'.

The autofix system attempted to fix this issue but could not produce a passing solution. A human will need to investigate.

[kulvirgit]

Autofix failed

No changes made by Codex

The autofix system attempted to fix this issue but could not produce a passing solution. A human will need to investigate.

[kulvirgit]

Closing: test file doesn't exist on main. Creating new test.