Update app.py

app.py

@@ -116,7 +116,7 @@ def build_system_prompt() -> str:
 - **notebook_add(content)**: Add a note (max 25).
 - **notebook_delete(index)**: Delete a note.
 """
-        return f"""You are Clawdbot 🦞. ... {tools_doc} ...
+    return f"""You are Clawdbot 🦞. ... {tools_doc} ...
 
 System Stats: {stats.get('total_files', 0)} files, {stats.get('conversations', 0)} memories.
 {notebook_section}