Create happy-lies-dress.md

.changeset/happy-lies-dress.md

@@ -0,0 +1,5 @@
+---
+"claude-dev": patch
+---
+
+fix: task cancellation during thinking stream would result in 'Cline aborted stream' error

src/core/task/index.ts

@@ -3451,7 +3451,10 @@ export class Task {
 						case "reasoning":
 							// reasoning will always come before assistant message
 							reasoningMessage += chunk.reasoning
-							await this.say("reasoning", reasoningMessage, undefined, true)
+							// fixes bug where cancelling task > aborts task > for loop may be in middle of streaming reasoning > say function throws error before we get a chance to properly clean up and cancel the task.
+							if (!this.abort) {
+								await this.say("reasoning", reasoningMessage, undefined, true)
+							}
 							break
 						case "text":
 							if (reasoningMessage && assistantMessage.length === 0) {