revert changes to deprecated mcp package

Author: brendan-kellam

packages/mcp/src/schemas.ts

@@ -360,8 +360,8 @@ export const listCommitsResponseSchema = z.array(z.object({
     message: z.string(),
     refs: z.string(),
     body: z.string(),
-    authorName: z.string(),
-    authorEmail: z.string(),
+    author_name: z.string(),
+    author_email: z.string(),
 }));
 
 export const languageModelInfoSchema = z.object({