lrosales/broad-announce @ b92018f5beb8c37d159e64faf2bc6c26b88e93e4

Luis Rosales 1528d511b7 fix: add transport label to AlertsReceived metric		преди 1 месец
..
internal.go	83e050334c M0(2-3/12): config + observability packages	преди 2 месеца
maxseen.go	98e868c468 M6(1/3): Dedupe + ×N display + sliding-window TTL + free-for-dupes	преди 2 месеца
maxseen_test.go	98e868c468 M6(1/3): Dedupe + ×N display + sliding-window TTL + free-for-dupes	преди 2 месеца
metrics.go	1528d511b7 fix: add transport label to AlertsReceived metric	преди 1 месец
observability.go	83e050334c M0(2-3/12): config + observability packages	преди 2 месеца