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feat: mqtt (#4841)

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James Rich
2026-03-18 13:39:20 -05:00
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parent eae5a6bdac
commit d314ee2d8a
18 changed files with 371 additions and 200 deletions
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12
docs/decisions/architecture-review-2026-03.md
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@@ -109,16 +109,12 @@ Formerly found in 3 prefs files:
**Outcome:** These caches now use `AtomicRef<PersistentMap<...>>` helpers in `commonMain`, eliminating the last `ConcurrentHashMap` usage from shared prefs code.
### B3. MQTT is Android-only
### B3. MQTT (Resolved)
`MQTTRepositoryImpl` in `core:network/androidMain` uses Eclipse Paho (Java-only). Desktop and future iOS stub it.
`MQTTRepositoryImpl` has been migrated to `commonMain` using KMQTT, replacing Eclipse Paho.
**Fix:** Evaluate KMP MQTT options:
- `mqtt-kmp` library
- Ktor WebSocket-based MQTT
- `hivemq-mqtt-client` (JVM-only, acceptable for `jvmAndroidMain`)
Short-term: Move to `jvmAndroidMain` if using a JVM-compatible lib. Long-term: Full KMP MQTT in `commonMain`.
**Fix:** Completed.
- `kmqtt` library integrated for full KMP support.
### B4. Vico charts *(resolved)*

4
docs/roadmap.md
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@@ -54,7 +54,7 @@ here| **Migrate to JetBrains Compose Multiplatform dependencies** | High | Low |
|---|---|---|
| TCP | Desktop (JVM) | ✅ Done — shared `StreamFrameCodec` + `TcpTransport` in `core:network` |
| Serial/USB | Desktop (JVM) | ✅ Done — jSerialComm |
| MQTT | All (KMP) | ❌ Planned — Ktor/MQTT (currently Android-only via Eclipse Paho) |
| MQTT | All (KMP) | ✅ Completed — KMQTT in commonMain |
| BLE | Android | ✅ Done — Kable |
| BLE | Desktop | ✅ Done — Kable (JVM) |
| BLE | iOS | ❌ Future — Kable/CoreBluetooth |
@@ -93,7 +93,7 @@ here| **Migrate to JetBrains Compose Multiplatform dependencies** | High | Low |
- ✅ **Done:** Extracted service, worker, and radio files from `app` to `core:service/androidMain` and `core:network/androidMain`.
- **Next:** Extract remaining Android-specific files (e.g., Navigation files, App Widgets, message queues, and root Activity logic) out of `:app` to establish a truly thin app module.
2. ✅ **Done:** **Serial/USB transport** — direct radio connection on Desktop via jSerialComm
3. **MQTT transport** — cloud relay operation (KMP, benefits all targets)
3. **MQTT transport** — cloud relay operation (KMP, benefits all targets) ✅
4. **Evaluate KMP-native testing tools** — Evaluate `Mokkery` or `Mockative` to replace `mockk` in `commonMain` of `core:testing` for iOS readiness. Integrate `Turbine` for shared `Flow` testing.
5. **Desktop ViewModel auto-wiring** — ✅ Done: ensured Koin K2 Compiler Plugin generates ViewModel modules for JVM target; eliminated manual wiring in `DesktopKoinModule`
5. **KMP charting** — ✅ Done: Vico charts migrated to `feature:node/commonMain` using KMP artifacts; desktop wires them directly