fix: expose abort signal to extensions closes #2660

packages/agent/CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+### Added
+
+- Added `Agent.signal` to expose the active abort signal for the current turn, allowing callers to forward cancellation into nested async work ([#2660](https://github.com/badlogic/pi-mono/issues/2660))
+
 ## [0.63.1] - 2026-03-27
 
 ## [0.63.0] - 2026-03-27

packages/agent/src/agent.ts

@@ -371,6 +371,11 @@ export class Agent {
 		this._state.messages = [];
 	}
 
+	/** The current abort signal, or undefined when the agent is not streaming. */
+	get signal(): AbortSignal | undefined {
+		return this.abortController?.signal;
+	}
+
 	abort() {
 		this.abortController?.abort();
 	}