[CORRUPTED] Synthetic Benchmark PR #29912 - feat: return data_source_info and data_source_detail_dict

[bar-qodo]

Benchmark PR langgenius#29912

Type: Corrupted (contains bugs)

Original PR Title: feat: return data_source_info and data_source_detail_dict
Original PR Description: > [!IMPORTANT]

1. Make sure you have read our contribution guidelines
2. Ensure there is an associated issue and you have been assigned to it
3. Use the correct syntax to link this PR: Fixes #<issue number>.

Summary

fix langgenius#29866

return data_source_info and data_source_detail_dict

Screenshots

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Checklist

• This change requires a documentation update, included: Dify Document
• I understand that this PR may be closed in case there was no previous discussion or issues. (This doesn't apply to typos!)
• I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change.
• I've updated the documentation accordingly.
• I ran dev/reformat(backend) and cd web && npx lint-staged(frontend) to appease the lint gods

Original PR URL: langgenius#29912