fix(async): prevent missed async errors from bypassing catch handlers (#13714)

Co-authored-by: Tommaso Sciortino <sciortino@gmail.com>

packages/core/src/tools/smart-edit.ts

@@ -966,7 +966,7 @@ A good instruction should concisely answer:
       getFilePath: (params: EditToolParams) => params.file_path,
       getCurrentContent: async (params: EditToolParams): Promise<string> => {
         try {
-          return this.config
+          return await this.config
             .getFileSystemService()
             .readTextFile(params.file_path);
         } catch (err) {

packages/core/src/tools/web-fetch.ts

@@ -307,7 +307,7 @@ ${textContent}
           this.config,
           new WebFetchFallbackAttemptEvent('primary_failed'),
         );
-        return this.executeFallback(signal);
+        return await this.executeFallback(signal);
       }
 
       const sourceListFormatted: string[] = [];