fix: Add outputs support to SQLAgentComponent (#9173)

* ✨ (sql.py): add new output definitions for the SQLAgentComponent to include 'Agent' and 'Response' outputs for better functionality and flexibility

* 📝 (sql.py): update import statement for Output class to match new file structure
♻️ (sql.py): refactor Output class usage to remove unnecessary attributes and improve code readability

---------

Co-authored-by: Edwin Jose <edwin.jose@datastax.com>

src/backend/base/langflow/components/langchain_utilities/sql.py

@@ -5,6 +5,7 @@ from langchain_community.utilities import SQLDatabase
 
 from langflow.base.agents.agent import LCAgentComponent
 from langflow.inputs.inputs import HandleInput, MessageTextInput
+from langflow.template.field.base import Output
 
 
 class SQLAgentComponent(LCAgentComponent):
@@ -25,6 +26,11 @@ class SQLAgentComponent(LCAgentComponent):
         ),
     ]
 
+    outputs = [
+        Output(display_name="Response", name="response", method="message_response"),
+        Output(display_name="Agent", name="agent", method="build_agent", tool_mode=False),
+    ]
+
     def build_agent(self) -> AgentExecutor:
         db = SQLDatabase.from_uri(self.database_uri)
         toolkit = SQLDatabaseToolkit(db=db, llm=self.llm)