feat(client): Batch Plugin auto‑infer context from link (#427)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **Refactor**
- Updated internal type handling for plugin configuration. There are no
changes to visible features or behavior.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Author: dinwwwh

packages/client/src/plugins/batch.ts

@@ -84,7 +84,7 @@ export class BatchLinkPlugin<T extends ClientContext> implements StandardLinkPlu
 
   order = 5_000_000
 
-  constructor(options: BatchLinkPluginOptions<T>) {
+  constructor(options: NoInfer<BatchLinkPluginOptions<T>>) {
     this.groups = options.groups
     this.pending = new Map()