Add OpenAI code review agent flow

Author: choi-hyk

README.md

@@ -76,12 +76,14 @@ The MVP includes:
 
 - English operating docs are maintained under `docs/`.
 - Korean translations mirror the repository structure under `notes/ko/`.
+- Trigger behavior, inputs, outputs, and diagrams are documented in `docs/operation-flow.md`.
 
 Examples:
 
 - `AGENTS.md` -> `notes/ko/AGENTS.md`
 - `README.md` -> `notes/ko/README.md`
 - `docs/configuration.md` -> `notes/ko/docs/configuration.md`
+- `docs/operation-flow.md` -> `notes/ko/docs/operation-flow.md`
 
 ## Development