16aeba8ec0
Allow two CCM/OCM instances to share credentials when only one has a public IP, using yamux-multiplexed reverse connections. Three credential modes: - Normal: URL set, reverse=false — standard HTTP proxy - Receiver: URL empty — waits for incoming reverse connection - Connector: URL set, reverse=true — dials out to establish connection Extend InterfaceUpdated to services so network changes trigger reverse connection reconnection.