diff --git a/ROADMAP.md b/ROADMAP.md
index 0b61a56..60e54d5 100644
--- a/ROADMAP.md
+++ b/ROADMAP.md
@@ -28,5 +28,5 @@
 
 - [x] Reconnection handling
 - [x] Error recovery
-- [ ] Audio device hot-swap
-- [ ] Comprehensive test suite
+- [x] Audio device hot-swap
+- [x] Comprehensive test suite
diff --git a/TASKLIST.md b/TASKLIST.md
index a09ceb6..7f4fcaf 100644
--- a/TASKLIST.md
+++ b/TASKLIST.md
@@ -6,13 +6,16 @@
 
 ## Pending
 
-### Backlog
-
-- [ ] Audio device hot-swap
-- [ ] Widget tests (StatusBar breakpoints, ChannelTree navigation) -- needs Textual `App.run_test()`
+(none)
 
 ## Completed
 
+### Phase 4 -- Robustness
+
+- [x] Audio device hot-swap (DeviceMonitor polling + pipeline rebuild)
+- [x] Widget tests (41 tests: StatusBar breakpoints, ChannelTree navigation, volume/truncate helpers)
+
+
 ### Phase E -- Polish
 
 - [x] Deduplicate `_detect_config_changes` with `dataclasses.asdict()`