Clear AI chat stream properly (#3544)

.changeset/soft-bikes-warn.md

@@ -0,0 +1,5 @@
+---
+"gitbook": patch
+---
+
+Clear AI chat properly

packages/gitbook/src/components/AI/useAIChat.tsx

@@ -187,6 +187,8 @@ export function useAIChatController(): AIChatController {
                 for await (const data of stream) {
                     if (!data) continue;
 
+                    if (globalState.getState().state.query !== input.message) break; // Chat was cleared, stop processing the stream
+
                     const event = data.event;
 
                     switch (event.type) {