diff --git a/frontend/src/app/llm-workspace/llm-workspace.component.ts b/frontend/src/app/llm-workspace/llm-workspace.component.ts
index 9866649..636804f 100644
--- a/frontend/src/app/llm-workspace/llm-workspace.component.ts
+++ b/frontend/src/app/llm-workspace/llm-workspace.component.ts
@@ -275,12 +275,20 @@ export class LlmWorkspaceComponent implements OnInit, OnDestroy {
   private destroy$ = new Subject<void>();
 
   ngOnInit(): void {
-    this.siteId = this.route.snapshot.paramMap.get('siteId');
-    const existingPrompt = this.session.currentPrompt;
-    if (existingPrompt) {
-      this.prompt = existingPrompt;
-    }
-    this.loadVersions();
+    this.route.paramMap
+      .pipe(takeUntil(this.destroy$))
+      .subscribe(params => {
+        const siteId = params.get('siteId');
+        if (siteId !== this.siteId) {
+          this.siteId = siteId;
+          this.prompt = '';
+          this.refinePrompt = '';
+          this.showRefine = false;
+          this.versions = [];
+          this.session.clearHistory();
+          this.loadVersions();
+        }
+      });
   }
 
   private loadVersions(): void {