an agent gets one todo when its pr starts conflicting with the target branch

swarm-wire/src/forge_events.rs

@@ -24,6 +24,12 @@ pub const MAX_AGE: Duration = Duration::from_hours(7 * 24);
 /// The router's durable consumer on [`STREAM`].
 pub const ROUTER_CONSUMER: &str = "notify-router";
 
+/// The event type swarm-controller publishes, on [`subject`], for a pull request
+/// it has checked against its target branch after a push there. Forgejo sends
+/// no such delivery. The body is a `pull_request` delivery whose `action` is
+/// `conflicting` or `mergeable`.
+pub const MERGEABILITY_EVENT: &str = "pull_request_mergeability";
+
 /// The subject a delivery of Forgejo event type `event_type` is kept under.
 #[must_use]
 pub fn subject(event_type: &str) -> String {