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/tools/base.py

@@ -165,3 +165,6 @@ class ToolBase(ComponentBase):
             })
         self._canvas.add_refernce(chunks, aggs)
         self.set_output("formalized_content", "\n".join(kb_prompt({"chunks": chunks, "doc_aggs": aggs}, 200000, True)))
+
+    def thoughts(self) -> str:
+        return self._canvas.get_component_name(self._id) + " is running..."