Add initial project files and configurations for clawd_code

lib/ui/providers/chat_provider.dart

@@ -61,6 +61,7 @@ class ChatProvider extends ChangeNotifier {
 
     try {
       _stopRequested = false;
+      bool hasStreamingAssistantMessage = false;
       _client = await OpenRouterClientFactory.create(apiKey: apiKey);
       final session = _conversationHistory!.session;
       final workingDirectory = session?.workingDirectory;
@@ -100,15 +101,31 @@ class ChatProvider extends ChangeNotifier {
           _messages = _conversationHistory!.getMessages();
           notifyListeners();
         },
+        onAssistantTextDelta: (delta) {
+          if (!hasStreamingAssistantMessage) {
+            _conversationHistory!.addMessage("assistant", "");
+            hasStreamingAssistantMessage = true;
+          }
+          _conversationHistory!.appendToLastMessage(delta);
+          _messages = _conversationHistory!.getMessages();
+          notifyListeners();
+        },
+        onAssistantMessageComplete: () {
+          hasStreamingAssistantMessage = false;
+          _messages = _conversationHistory!.getMessages();
+          notifyListeners();
+        },
       );
       _apiMessages = toolLoopResult.apiMessages;
 
       // add assistant message to visible conversation
-      _conversationHistory!.addMessage(
-        "assistant",
-        toolLoopResult.responseText,
-        tokens: toolLoopResult.response.outputTokens,
-      );
+      if (!toolLoopResult.finalResponseWasStreamed) {
+        _conversationHistory!.addMessage(
+          "assistant",
+          toolLoopResult.responseText,
+          tokens: toolLoopResult.response.outputTokens,
+        );
+      }
       _messages = _conversationHistory!.getMessages();
 
       // track cost (set to 0 for now — OpenRouter pricing varies by model)