Joseph Doherty
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6a030151fc
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feat(batch47): implement MQTT full runtime — JSA bridge, sessions, account manager, protocol handlers
- MqttJsa.cs: full JetStream API bridge (22 features, Sub-batch A 2269-2290)
- Async request/response helpers, consumer/stream CRUD, msg store/load/delete
- Send queue via Channel<MqttJsPubMsg>, ConcurrentDictionary reply tracking
- MqttAccountSessionManager.cs: per-account MQTT session manager (26 features, Sub-batch C 2292-2322)
- Session add/remove/lock/unlock, flapper tracking with cleanup timer
- Retained message in-memory cache with TTL eviction (ConcurrentDictionary)
- JSA reply dispatch, retained msg processing, session persist detection
- Subscription creation, retained message subject matching (SubscriptionIndex)
- createOrRestoreSession async (JetStream load + fallback to new session)
- processSubs builds NATS subscriptions with retained message delivery
- Stream migration stubs (transferUniqueSessStreamsToMuxed, transferRetained...)
- MqttTypes.cs: add Client and Seq to MqttSession; ExpiresFromCache to MqttRetainedMsg
- Remove stubs for MqttJsa and MqttAccountSessionManager
- MqttHelpers.cs: standalone helpers (Sub-batch F 2264-2268)
- IsMqttReservedSubscription, DecodeRetainedMessage, GeneratePubPerms,
CheckPubRetainedPerms, TopicFilterContainsWildcard, TopicToNatsSubject
- ClientConnection.Mqtt.cs: Mqtt property stub on ClientConnection (Sub-batch E entry)
- Subscription.cs: add internal Mqtt (MqttSub?) and InternalCallback fields
All 2660 unit tests pass, 0 failures.
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2026-03-01 10:14:47 -05:00 |
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