From 269578dfaf04878a923486e4177fc0f862f5f959 Mon Sep 17 00:00:00 2001
From: Jason Wu <vashquez@gmail.com>
Date: Fri, 20 Mar 2026 10:01:05 +0800
Subject: [PATCH] fix(health-monitor): re-prune hourly restart budget after
 drain window

---
 src/gateway/channel-health-monitor.ts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/gateway/channel-health-monitor.ts b/src/gateway/channel-health-monitor.ts
index dee5853eeaa..a56dd8a8183 100644
--- a/src/gateway/channel-health-monitor.ts
+++ b/src/gateway/channel-health-monitor.ts
@@ -265,6 +265,15 @@ export function startChannelHealthMonitor(deps: ChannelHealthMonitorDeps): Chann
                   continue;
                 }
               }
+              // Re-prune the hourly bucket with a fresh timestamp so that entries
+              // which aged out during the drain window are not counted against the cap.
+              pruneOldRestarts(record, Date.now());
+              if (record.restartsThisHour.length >= maxRestartsPerHour) {
+                log.warn?.(
+                  `[${channelId}:${accountId}] health-monitor: hit ${maxRestartsPerHour} restarts/hour limit after drain, skipping`,
+                );
+                continue;
+              }
               await channelManager.stopChannel(channelId as ChannelId, accountId);
             }
             channelManager.resetRestartAttempts(channelId as ChannelId, accountId);