chore: migrate to oxlint and oxfmt

Co-authored-by: Christoph Nakazawa <christoph.pojer@gmail.com>

src/utils/provider-utils.ts

@@ -7,9 +7,7 @@
  * (e.g. <think> and <final>) in the text stream, rather than using native
  * API fields for reasoning/thinking.
  */
-export function isReasoningTagProvider(
-  provider: string | undefined | null,
-): boolean {
+export function isReasoningTagProvider(provider: string | undefined | null): boolean {
   if (!provider) return false;
   const normalized = provider.trim().toLowerCase();