diff --git a/nanobot/agent/loop.py b/nanobot/agent/loop.py
index 65a62e5..5eea6e6 100644
--- a/nanobot/agent/loop.py
+++ b/nanobot/agent/loop.py
@@ -202,9 +202,16 @@ class AgentLoop:
 
             if response.has_tool_calls:
                 if on_progress:
-                    clean = self._strip_think(response.content)
-                    if clean:
-                        await on_progress(clean)
+                    thoughts = [
+                        self._strip_think(response.content),
+                        response.reasoning_content,
+                        *(f"Thinking [{b.get('signature', '...')}]:\n{b.get('thought', '...')}" 
+                          for b in (response.thinking_blocks or []) if isinstance(b, dict) and "signature" in b)
+                    ]
+                    
+                    if combined := "\n\n".join(filter(None, thoughts)):
+                        await on_progress(combined)
+                        
                     await on_progress(self._tool_hint(response.tool_calls), tool_hint=True)
 
                 tool_call_dicts = [