chore: Enable "curly" rule to avoid single-statement if confusion/errors.

src/utils/provider-utils.ts

@@ -8,7 +8,9 @@
  * API fields for reasoning/thinking.
  */
 export function isReasoningTagProvider(provider: string | undefined | null): boolean {
-  if (!provider) return false;
+  if (!provider) {
+    return false;
+  }
   const normalized = provider.trim().toLowerCase();
 
   // Check for exact matches or known prefixes/substrings for reasoning providers