feat: Integrate Mokkery and Turbine into KMP testing framework (#4845)

conductor/archive/kmp_test_migration_20260318/index.md

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+# Track kmp_test_migration_20260318 Context
+
+- [Specification](./spec.md)
+- [Implementation Plan](./plan.md)
+- [Metadata](./metadata.json)

conductor/archive/kmp_test_migration_20260318/metadata.json

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+{
+  "track_id": "kmp_test_migration_20260318",
+  "type": "chore",
+  "status": "new",
+  "created_at": "2026-03-18T10:00:00Z",
+  "updated_at": "2026-03-18T10:00:00Z",
+  "description": "Migrate tests to KMP best practices and expand coverage"
+}

conductor/archive/kmp_test_migration_20260318/plan.md

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+# Implementation Plan: KMP Test Migration and Coverage Expansion
+
+## Phase 1: Tool Evaluation & Integration [checkpoint: 3ccc7a7]
+- [x] Task: Evaluate Mocking Frameworks
+- [x] Task: Integrate Selected Tools (Mokkery, Turbine, Kotest) [b4ba582]
+- [x] Task: Conductor - User Manual Verification 'Phase 1: Tool Evaluation & Integration' (Protocol in workflow.md) [3ccc7a7]
+
+## Phase 2: Mockk Replacement [checkpoint: c8afaef]
+- [x] Task: Refactor core modules to Mokkery [7522d38]
+- [x] Task: Refactor feature modules to Mokkery [87c7eb6]
+- [x] Task: Conductor - User Manual Verification 'Phase 2: Mockk Replacement' (Protocol in workflow.md) [c8afaef]
+
+## Phase 3: Coverage Expansion
+- [x] Task: Expand ViewModels coverage with Turbine [c813be8]
+- [x] Task: Conductor - User Manual Verification 'Phase 3: Coverage Expansion' (Protocol in workflow.md) [2395cb9]
+
+## Phase: Review Fixes
+- [x] Task: Apply review suggestions [1739021]

conductor/archive/kmp_test_migration_20260318/spec.md

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+# Specification: KMP Test Migration and Coverage Expansion
+
+## Overview
+Migrate the project's test suite to KMP best practices based on JetBrains guidance, expanding coverage and replacing JVM-specific `mockk` with `dev.mokkery` in `commonMain` to ensure iOS readiness.

conductor/tracks.md

@@ -4,5 +4,5 @@ This file tracks all major tracks for the project. Each track has its own detail
 
 ---
 
-- [x] **Track: MQTT transport**
-*Link: [./tracks/mqtt_transport_20260318/](./tracks/mqtt_transport_20260318/)*
+- [ ] **Track: Expand Testing Coverage**
+*Link: [./tracks/expand_testing_20260318/](./tracks/expand_testing_20260318/)*

conductor/tracks/expand_testing_20260318/index.md

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+# Track expand_testing_20260318 Context
+
+- [Specification](./spec.md)
+- [Implementation Plan](./plan.md)
+- [Metadata](./metadata.json)

conductor/tracks/expand_testing_20260318/metadata.json

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+{
+  "track_id": "expand_testing_20260318",
+  "type": "chore",
+  "status": "new",
+  "created_at": "2026-03-18T10:00:00Z",
+  "updated_at": "2026-03-18T10:00:00Z",
+  "description": "Expand Testing Coverage"
+}

conductor/tracks/expand_testing_20260318/plan.md

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+# Implementation Plan: Expand Testing Coverage
+
+## Phase 1: Baseline Measurement
+- [ ] Task: Execute `./gradlew koverLog` and record current project test coverage.
+- [ ] Task: Conductor - User Manual Verification 'Phase 1: Baseline Measurement' (Protocol in workflow.md)
+
+## Phase 2: Feature ViewModel Migration to Turbine
+- [ ] Task: Refactor `MetricsViewModelTest` to use `Turbine` and `Mokkery` in `commonTest`.
+- [ ] Task: Refactor `MessageViewModelTest` to use `Turbine` and `Mokkery` in `commonTest`.
+- [ ] Task: Refactor `RadioConfigViewModelTest` to use `Turbine` and `Mokkery` in `commonTest`.
+- [ ] Task: Refactor `NodeListViewModelTest` to use `Turbine` and `Mokkery` in `commonTest`.
+- [ ] Task: Refactor remaining `feature` ViewModels to use `Turbine` and `Mokkery`.
+- [ ] Task: Conductor - User Manual Verification 'Phase 2: Feature ViewModel Migration to Turbine' (Protocol in workflow.md)
+
+## Phase 3: Property-Based Parsing Tests (Kotest)
+- [ ] Task: Add `Kotest` property-based tests for `StreamFrameCodec` in `core:network`.
+- [ ] Task: Add `Kotest` property-based tests for `PacketHandler` implementations in `core:data`.
+- [ ] Task: Add `Kotest` property-based tests for `TcpTransport` and/or `SerialTransport` in `core:network`.
+- [ ] Task: Conductor - User Manual Verification 'Phase 3: Property-Based Parsing Tests (Kotest)' (Protocol in workflow.md)
+
+## Phase 4: Domain Logic Gap Fill
+- [ ] Task: Identify and fill testing gaps in `core:domain` use cases not fully covered during the initial Mokkery migration.
+- [ ] Task: Conductor - User Manual Verification 'Phase 4: Domain Logic Gap Fill' (Protocol in workflow.md)
+
+## Phase 5: Final Measurement & Verification
+- [ ] Task: Execute full test suite (`./gradlew test`) to ensure stability.
+- [ ] Task: Execute `./gradlew koverLog` to generate and document the final coverage metrics.
+- [ ] Task: Conductor - User Manual Verification 'Phase 5: Final Measurement & Verification' (Protocol in workflow.md)
+
+## Phase 6: Documentation and Wrap-up
+- [ ] Task: Review previous steps and update project documentation (e.g., `README.md`, testing guides).
+- [ ] Task: Conductor - User Manual Verification 'Phase 6: Documentation and Wrap-up' (Protocol in workflow.md)

conductor/tracks/expand_testing_20260318/spec.md

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+# Specification: Expand Testing Coverage
+
+## Overview
+This track focuses on expanding the test suite across all core modules, specifically targeting `feature` ViewModels and `core:network` data parsing logic. The goal is to fully leverage the newly integrated `Turbine` and `Kotest` frameworks to ensure robust property-based testing and asynchronous flow verification.