diff --git a/agentserver/console/tui_console.py b/agentserver/console/tui_console.py
index c5ad4bd..847fbe4 100644
--- a/agentserver/console/tui_console.py
+++ b/agentserver/console/tui_console.py
@@ -253,8 +253,7 @@ class TUIConsole:
             self._print_simple(text, style)
         else:
             self.output.append(text, style)
-            if self.app and self.app.is_running:
-                self.app.invalidate()
+            self._invalidate()
 
     def print_raw(self, text: str, style: str = "output"):
         """Print without timestamp."""
@@ -262,7 +261,19 @@ class TUIConsole:
             self._print_simple(text, style)
         else:
             self.output.append_raw(text, style)
-            if self.app and self.app.is_running:
+            self._invalidate()
+
+    def _invalidate(self):
+        """Invalidate the app to trigger redraw (thread-safe)."""
+        if self.app and self.app.is_running:
+            # Use call_soon_threadsafe for cross-task updates
+            try:
+                loop = self.app.loop
+                if loop and loop.is_running():
+                    loop.call_soon_threadsafe(self.app.invalidate)
+                else:
+                    self.app.invalidate()
+            except Exception:
                 self.app.invalidate()
 
     def _print_simple(self, text: str, style: str = "output"):
diff --git a/handlers/hello.py b/handlers/hello.py
index 0fb086e..e1ab1e6 100644
--- a/handlers/hello.py
+++ b/handlers/hello.py
@@ -126,15 +126,21 @@ async def handle_response_print(payload: ShoutedResponse, metadata: HandlerMetad
 
     Routes output to the TUI console if available, otherwise prints to stdout.
     """
+    console = None
     try:
         from run_organism import get_console
         console = get_console()
-        if console and hasattr(console, 'on_response'):
-            console.on_response("response", payload)
-            return None
     except ImportError:
         pass
 
-    # Fallback: print to stdout
+    if console and hasattr(console, 'on_response'):
+        try:
+            console.on_response("shouter", payload)
+            return  # Success - don't fall through to print
+        except Exception as e:
+            # Debug: show error but continue to fallback
+            print(f"\n\033[31m[console error] {e}\033[0m")
+
+    # Fallback: print to stdout (only if console not available or failed)
     print(f"\n\033[36m[response] {payload.message}\033[0m")
     return None