Translation is skipped (en→jp)

### Describe the bug

en:https://github.com/microsoft/Building-AI-Agents-From-Zero-To-Production/blob/main/lesson-2-agent-development/README.md
ja:https://github.com/microsoft/Building-AI-Agents-From-Zero-To-Production/blob/main/translations/ja/lesson-2-agent-development/README.md

#PingMSFTDocs

### Steps to reproduce

_No response_

### Expected behavior

_No response_

### Logs and additional context

_No response_

### Are you willing to submit a pull request to resolve the issue?

- [ ] I am willing to submit a pull request

### Code of Conduct

- [x] I agree to follow this project's Code of Conduct

Compare the English lesson-2-agent-development/README.md with translations/ja/lesson-2-agent-development/README.md and inspect the translation path that handles this pair. Reproduce the en→ja run if possible, then verify that the Japanese translation is generated or updated to reflect the English source.

Written by the indexing model from the issue text.