huskies: merge 1185 story Bounded auto-retry for GatesFailed merges before requiring human intervention

server/src/io/watcher/events.rs

@@ -100,4 +100,15 @@ pub enum WatcherEvent {
         /// Human-readable item name.
         name: String,
     },
+    /// A `GatesFailed` merge failure is being automatically retried after a
+    /// delay, without human intervention (story 1185).
+    /// Triggers a status notification to configured chat rooms.
+    MergeAutoRetry {
+        /// Work item ID (e.g. `"42_story_my_feature"`).
+        story_id: String,
+        /// This retry's attempt number (1-based).
+        attempt: u32,
+        /// Total auto-retry budget shared with the auto-block threshold.
+        budget: u32,
+    },
 }