lrosales/broad-announce @ 9809827f621408352db2f36baeaf294b2f76ef64

Luis Rosales 785ac5101e M10(2/5): per-source latency histogram label + m10_lib.py + m10_smoke.py		пре 1 месец
..
internal.go	83e050334c M0(2-3/12): config + observability packages	пре 2 месеци
maxseen.go	98e868c468 M6(1/3): Dedupe + ×N display + sliding-window TTL + free-for-dupes	пре 1 месец
maxseen_test.go	98e868c468 M6(1/3): Dedupe + ×N display + sliding-window TTL + free-for-dupes	пре 1 месец
metrics.go	785ac5101e M10(2/5): per-source latency histogram label + m10_lib.py + m10_smoke.py	пре 1 месец
observability.go	83e050334c M0(2-3/12): config + observability packages	пре 2 месеци