fix: Process queued messages after task completion

- Add processQueuedMessages() call after completion_result is accepted
- Add processQueuedMessages() call after user provides feedback
- Ensures follow-up messages from Linear/Slack are processed correctly
- Fixes ROO-365: Linear agent hanging on follow-up messages after completion

src/core/tools/AttemptCompletionTool.ts

@@ -141,16 +141,21 @@ export class AttemptCompletionTool extends BaseTool<"attempt_completion"> {
 			}
 
 			const { response, text, images } = await task.ask("completion_result", "", false)
-
+	
 			if (response === "yesButtonClicked") {
+				// Process any queued messages after task completion is accepted
+				task.processQueuedMessages()
 				return
 			}
-
+	
 			// User provided feedback - push tool result to continue the conversation
 			await task.say("user_feedback", text ?? "", images)
-
+	
 			const feedbackText = `The user has provided feedback on the results. Consider their input to continue the task, and then attempt completion again.\n<feedback>\n${text}\n</feedback>`
 			pushToolResult(formatResponse.toolResult(feedbackText, images))
+	
+			// Process any queued messages after feedback is provided
+			task.processQueuedMessages()
 		} catch (error) {
 			await handleError("inspecting site", error as Error)
 		}