chore: prettier formatter drift across recent commits

Prettier reformatting on files touched in the wave 11.B sequence —
markdown italics _underscore-style_, single-line conditionals, minor
whitespace fixes. No semantic changes. .env.example reformatting left
unstaged (blocked by pre-commit hook).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/app/api/v1/documents/[id]/folder/route.ts

@@ -33,10 +33,7 @@ export const PATCH = withAuth(
 
       if (body.folderId !== null) {
         const folder = await db.query.documentFolders.findFirst({
-          where: and(
-            eq(documentFolders.id, body.folderId),
-            eq(documentFolders.portId, ctx.portId),
-          ),
+          where: and(eq(documentFolders.id, body.folderId), eq(documentFolders.portId, ctx.portId)),
         });
         if (!folder) throw new ValidationError('Invalid folder');
       }