fix(#688): route expired auth sessions to sign-in (#689)

* fix(#688): route expired auth sessions to sign-in

Adopt global 401 latch, WS disconnect, and Back/profile guards.

* chore: clean up formatting noise

* fix(ktlint): reorder imports to place java and kotlinx at end

* fix(ktlint): place java.io.IOException at end of imports

* test: fix NavBackStack type parameter in AuthenticationRoutingTest

* test: add AuthSessionState tests to AuthLoginViewModelTest

* fix(ktlint): fix import order in AuthLoginViewModelTest

app/src/main/java/com/m57/hermescontrol/ui/chat/ChatViewModel.kt

@@ -8,6 +8,7 @@ import android.util.Log
 import androidx.lifecycle.AndroidViewModel
 import androidx.lifecycle.viewModelScope
 import com.m57.hermescontrol.data.local.AuthManager
+import com.m57.hermescontrol.data.local.AuthSessionState
 import com.m57.hermescontrol.data.local.HermesDatabase
 import com.m57.hermescontrol.data.model.Attachment
 import com.m57.hermescontrol.data.model.ModelProvider
@@ -1854,6 +1855,7 @@ class ChatViewModel(
     }
 
     fun reconnect() {
+        AuthSessionState.markAuthenticated()
         _uiState.update {
             it.copy(
                 isLoading = true,
@@ -1951,6 +1953,7 @@ class ChatViewModel(
 
                     AuthManager.setWsAuthParam("ticket")
                     AuthManager.setToken(ticket)
+                    AuthSessionState.markAuthenticated()
 
                     withContext(Dispatchers.Main) {
                         onResult(true, null)