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/begin.py

@@ -44,3 +44,6 @@ class Begin(UserFillUp):
                 v = v.get("value")
             self.set_output(k, v)
             self.set_input_value(k, v)
+
+    def thoughts(self) -> str:
+        return "☕ Here we go..."