Feat: Retrieval test #3221 (#7121)

### What problem does this PR solve?

Feat: Retrieval test #3221

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/interfaces/request/knowledge.ts

@@ -0,0 +1,10 @@
+export interface ITestRetrievalRequestBody {
+  question: string;
+  similarity_threshold: number;
+  keywords_similarity_weight: number;
+  rerank_id?: string;
+  top_k?: number;
+  use_kg?: boolean;
+  highlight?: boolean;
+  kb_id?: string[];
+}