#20933: autofix: format 3 files (oxfmt)

Auto-fix formatting issues detected in CI run #22183088474 Files formatted: - extensions/feishu/src/bot.ts - extensions/feishu/src/media.ts - src/media-understanding/attachments.ts *Generated by tofu-autofix monitor* <!-- greptile_comment --> <h3>Greptile Summary</h3> Automated formatting fix that reorders import statements in 3 files according to `oxfmt` rules. All changes are purely stylistic - type-only imports are moved after regular imports, following TypeScript best practices. No functional changes to the code. <h3>Confidence Score: 5/5</h3> - This PR is safe to merge with no risk - All changes are formatting-only import reordering with no logic changes. Import order doesn't affect runtime behavior in JavaScript/TypeScript, and the formatting follows standard conventions (type imports after regular imports). - No files require special attention _{Last reviewed commit: 83d02ad} <!-- greptile_other_comments_section --> _{(3/5) Reply to the agent's comments like "Can you suggest a fix for this @greptileai?" or ask follow-up questions!} <!-- /greptile_comment -->