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agessaman
ab7479c55c
The SSE endpoints registered their bridge callbacks once behind a _callbacks_registered latch. Anything that cleared the bridge's push callbacks therefore killed the stream permanently — the latch stayed True while the subscriptions were gone, so no later stream open repaired them. Cache the callback objects instead and re-register them each time a stream opens. Bridge registration is idempotent, so the repeat costs nothing while a subscription that went missing is repaired rather than leaving the stream silently dead until the daemon restarts. The clear that made this reachable is fixed in openhop_core, where the frame server now retracts only its own subscriptions instead of clearing every callback on each companion client connection. This half is the belt-and-braces: clear_push_callbacks() remains a legitimate full reset, and the stream should survive one.