更新 index.ts

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: hotlong

packages/drivers/mongo/src/index.ts

@@ -189,7 +189,7 @@ export class MongoDriver implements Driver {
 
         // Map API document (id) to MongoDB document (_id) for update data
         // But we should not allow updating the _id field itself
-        const { id: _, ...updateData } = data;
+        const { id: _ignoredId, ...updateData } = data; // intentionally ignore id to prevent updating primary key
 
         // Handle atomic operators if present
         const isAtomic = Object.keys(updateData).some(k => k.startsWith('$'));