♻️ style: format code with Prettier and fix .gitattributes

- Add *.yaml text eol=lf rule to .gitattributes for consistent line endings
- Format cleaner.ts with Prettier (parameter and chain formatting)
- Format CleanerPage.tsx (JSX formatting)
- Format cleaner.test.ts (array formatting)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.gitattributes

@@ -6,6 +6,7 @@
 *.js text eol=lf
 *.json text eol=lf
 *.yml text eol=lf
+*.yaml text eol=lf
 *.tsx text eol=lf
 *.jsx text eol=lf
 *.css text eol=lf