feat(broadcasting): SignalR hub + @simplemodule/echo client (closes #169)#193
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antosubash merged 1 commit intoMay 11, 2026
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) Adds real-time push from server to browser. Modules raise events that implement IBroadcastEvent (or call IBroadcaster directly); a Scrutor decorator over Wolverine's IMessageBus mirrors those events to clients through the BroadcastHub at /hub/broadcast. - Framework abstractions in SimpleModule.Core/Broadcasting: IBroadcaster, IBroadcastEvent, [BroadcastEvent], IBroadcastChannelAuthorizer, IBroadcastContext, BroadcastChannels, wire envelopes. - SimpleModule.Hosting: BroadcastHub, SignalR-backed Broadcaster, PresenceTracker, BroadcastAuthorizerChain with default user/tenant guards, BroadcastingMessageBus decorator. - @simplemodule/echo: SignalR-backed client with EchoProvider, useEvent, usePresence; ref-counted subscriptions, auto-reconnect, presence snapshots. - Demo: /broadcasting page in the Dashboard module with live tick counter and a fire button hitting an authenticated IBroadcaster route. - Tests: 22 unit + integration tests covering attribute discovery, presence tracking concurrency, authorizer chain, and the bus-decorator forwarding path.
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Summary
Adds real-time push from server to browser. Modules either implement
IBroadcastEventon a domain event or callIBroadcasterdirectly; a Scrutor decorator over Wolverine'sIMessageBusforwards everyIBroadcastEventpublish to SignalR clients connected toBroadcastHubat/hub/broadcast.SimpleModule.Core/Broadcasting/):IBroadcaster,IBroadcastEvent,[BroadcastEvent],IBroadcastChannelAuthorizer,IBroadcastContext,BroadcastChannels, wire envelopes.SimpleModule.Hosting/Broadcasting/):BroadcastHubwithSubscribe/Unsubscribe+ presence join/leave, SignalR-backedBroadcaster,PresenceTracker,BroadcastAuthorizerChain(longest-prefix wins) with default user / tenant guards, andBroadcastingMessageBusdecorator.@simplemodule/echo): SignalR-backed Echo class withEchoProvider,useEvent,usePresence; ref-counted subscriptions, auto-reconnect with re-subscribe + presence snapshot re-dispatch, in-flight subscribe deduplication./broadcastingpage in the Dashboard module — connection status badge, live tick counter, and a fire button hitting an authenticatedIBroadcaster.ToUserAsyncroute.docs/broadcasting.md.Verification
connected, three "Fire tick" clicks incremented the in-page counter 0→1→2→3 with timestamps, no broadcasting-related console errors.npm run check,npm run build,dotnet build,dotnet test(1010/1010 across 17 projects),npm run test:smoke -w tests/e2e(47/47).Test plan
BroadcastingMessageBusdecorator and theBroadcastAuthorizerChainlongest-prefix matching