fix: replace magic string with named constant per review feedback

suboss87 · suboss87 · commit bb3bc39526cf · 2026-04-19T05:59:33.000+05:30
diff --git a/src/gateway/session-utils.ts b/src/gateway/session-utils.ts
@@ -1131,9 +1131,10 @@ export function buildGatewaySessionRow(params: {
   const space = entry?.space;
   const id = parsed?.id;
   const origin = entry?.origin;
-  // Exclude internal system sender IDs (e.g. "heartbeat") from the display
-  // name fallback chain so the webchat session selector stays meaningful.
-  const originLabel = origin?.label && origin.label !== "heartbeat" ? origin.label : undefined;
+  // Matches the fallback sender ID in resolveHeartbeatSenderId (targets.ts).
+  const HEARTBEAT_FALLBACK_SENDER = "heartbeat";
+  const originLabel =
+    origin?.label && origin.label !== HEARTBEAT_FALLBACK_SENDER ? origin.label : undefined;
   const displayName =
     entry?.displayName ??
     (channel
