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MHSanaei
0061892d87
The previous fix dispatched each event to every subscriber with a bare `go safeCall`. That unblocked the dispatch loop, but removed the bus's backpressure: under a login-attempt flood (which both notifier subscribers process without rate-limiting) with email/Telegram enabled, every attempt spawned handler goroutines that each block on network I/O for up to ~30s, with no bound — a goroutine and outbound-connection storm. It also let a subscriber's handler run concurrently with itself, racing the Telegram notifier's lazily-cached hostname. Give each subscriber its own bounded queue drained by a single worker goroutine. Dispatch does a non-blocking send per subscriber (dropping only that subscriber's event when its queue is full), so a slow subscriber still can't stall the others, concurrency is bounded to one in-flight handler per subscriber, per-subscriber event order is preserved, and Stop again waits for in-flight handlers to finish.