Auto commit Sun Mar 22 12:01:01 AM CDT 2026

app/src/main/java/com/mindmachine/mvp/session/MainViewModel.kt

@@ -210,6 +210,13 @@ class MainViewModel(
         )
     }
 
+    fun setCurveGranularitySec(seconds: Int) = _ui.update {
+        it.copy(
+            timeline = it.timeline.setCurveGranularitySec(seconds),
+            error = null,
+        )
+    }
+
     fun updateTimeline(newState: TimelineEditorState) = _ui.update {
         it.copy(
             timeline = newState,
@@ -227,21 +234,22 @@ class MainViewModel(
     fun updateGuidance(value: Boolean) = viewModelScope.launch { settingsRepository.updateGuidance(value) }
     fun updateShowImmersiveProgressBar(value: Boolean) = viewModelScope.launch { settingsRepository.updateShowImmersiveProgressBar(value) }
 
-    fun startSession() {
+    fun startSession(): Boolean {
         val state = _ui.value
         if (!(state.settings.safetyAcknowledged && state.settings.safetyAcknowledgedVersion >= SAFETY_VERSION)) {
             _ui.update { it.copy(error = "You must acknowledge safety before starting sessions.") }
-            return
+            return false
         }
         val headset = headsetMonitor.isStereoHeadsetAvailable()
         val validation = SessionValidator.validate(state.config, headset)
         if (validation != null) {
             _ui.update { it.copy(error = validation) }
-            return
+            return false
         }
 
         elapsedBeforePauseSec = 0f
         runProgram(startElapsedSec = 0f, includeCountdown = true)
+        return true
     }
 
     fun pause(reason: String? = null) {