Feat: Add thought info to every component. (#9134)

### What problem does this PR solve?

#9082 #6365

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

agent/component/string_transform.py

@@ -94,5 +94,7 @@ class StringTransform(Message, ABC):
 
         self.set_output("result", script)
 
+    def thoughts(self) -> str:
+        return f"It's {self._param.method}ing."