feat(ui): add New Chat to History (#1124)

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

@@ -45,9 +45,15 @@ fun ChatLifecycleEffects(
 
     // Switch to session from notification/history
     val pendingNavigation = NavigationController.pendingChatNavigation
-    LaunchedEffect(sessionId, pendingNavigation, connectionStatus) {
+    val pendingNewChatNavigation = NavigationController.pendingNewChatNavigation
+    LaunchedEffect(sessionId, pendingNavigation, pendingNewChatNavigation, connectionStatus) {
         if (connectionStatus != ConnectionStatus.CONNECTED) return@LaunchedEffect
+        val newChatRequest = NavigationController.consumePendingNewChatNavigation()
         val request = NavigationController.consumePendingChatNavigation()
+        if (newChatRequest != null) {
+            viewModel.createNewSession()
+            return@LaunchedEffect
+        }
         val target = request?.sessionId ?: sessionId
         if (!target.isNullOrBlank()) {
             viewModel.switchSession(target)

app/src/main/java/com/m57/hermescontrol/ui/sessions/SessionsScreen.kt

@@ -34,6 +34,7 @@ import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.CallSplit
 import androidx.compose.material.icons.automirrored.filled.KeyboardArrowRight
 import androidx.compose.material.icons.automirrored.filled.Send
+import androidx.compose.material.icons.filled.Add
 import androidx.compose.material.icons.filled.CheckCircle
 import androidx.compose.material.icons.filled.Close
 import androidx.compose.material.icons.filled.Code
@@ -466,6 +467,15 @@ fun SessionsScreen(
         isRefreshing = state.isLoading,
         onRefresh = { viewModel.loadSessions() },
         actions = {
+            IconButton(
+                onClick = { NavigationController.openNewChat() },
+                modifier = Modifier.testTag("sessions_action_new_chat"),
+            ) {
+                Icon(
+                    imageVector = Icons.Filled.Add,
+                    contentDescription = stringResource(R.string.content_desc_new_chat),
+                )
+            }
             if (state.hasHiddenSessions) {
                 IconButton(
                     onClick = { viewModel.toggleShowHidden() },