chore: add Firebase Crashlytics settings and fix temperature unit toggle state handling

.idea/appInsightsSettings.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AppInsightsSettings">
+    <option name="tabSettings">
+      <map>
+        <entry key="Firebase Crashlytics">
+          <value>
+            <InsightsFilterSettings>
+              <option name="connection">
+                <ConnectionSetting>
+                  <option name="appId" value="PLACEHOLDER" />
+                  <option name="mobileSdkAppId" value="" />
+                  <option name="projectId" value="" />
+                  <option name="projectNumber" value="" />
+                </ConnectionSetting>
+              </option>
+              <option name="signal" value="SIGNAL_UNSPECIFIED" />
+              <option name="timeIntervalDays" value="THIRTY_DAYS" />
+              <option name="visibilityType" value="ALL" />
+            </InsightsFilterSettings>
+          </value>
+        </entry>
+      </map>
+    </option>
+  </component>
+</project>

.idea/planningMode.xml

@@ -4,6 +4,7 @@
     <option name="approvalStates">
       <map>
         <entry key="20260611-222122-a9e9a066-af5b-42dc-aff4-518967db385e" value="false" />
+        <entry key="736035b4-cfea-4311-a3cb-e5170b1c7e0a" value="false" />
       </map>
     </option>
   </component>

app/src/main/java/com/example/esp32aldldashboard/ui/main/MainScreenViewModel.kt

@@ -6,7 +6,9 @@ import com.example.esp32aldldashboard.bluetooth.ConnectionState
 import com.example.esp32aldldashboard.parser.ALDLFrame
 import com.example.esp32aldldashboard.repository.SettingsRepository
 import com.example.esp32aldldashboard.repository.TelemetryRepository
+import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.launch
 
 class MainScreenViewModel(
@@ -24,10 +26,11 @@ class MainScreenViewModel(
     val currentFrameRate: StateFlow<Int> = telemetryRepository.currentFrameRate
 
     val isCelsius: StateFlow<Boolean> = settingsRepository.isCelsiusFlow
+        .stateIn(viewModelScope, SharingStarted.WhileSubscribed(5000), false)
 
     fun toggleTemperatureUnit() {
         viewModelScope.launch {
-            val currentValue = settingsRepository.isCelsiusFlow.value
+            val currentValue = isCelsius.value
             settingsRepository.setIsCelsius(!currentValue)
         }
     }