zhuyongxin 9b44dc1395 remove unused devflow/reference and ignore .codex ...

- devflow/reference/ was a placeholder from initial design with no write/read rules defined across v2-v4 iterations
- .codex/ is tool-generated and should not be tracked

2026-05-26 10:14:25 +08:00

..

skills

remove unused devflow/reference and ignore .codex

2026-05-26 10:14:25 +08:00