[mod] better see the observed pubkey for HEADS

src/lib/watchers/bma/head-watcher.ts

@@ -31,7 +31,7 @@ export function headWatcher(conf: Conf) {
       const observedHead = getObserved(heads, confHead.observedPubkey)
       handleLateness(confHead, mainHeads, observedHead)
     })({
-      name: `head watcher ${confHead.address}`,
+      name: `head watcher ${confHead.address} => ${confHead.observedPubkey}`,
       address: confHead.address + URL_PATH,
       frequency: confHead.frequency
     })
@@ -101,4 +101,4 @@ interface TrameWS2P {
   blockstamp: string
   blockNumber: number
   blockHash: string
-}
+}