chore: import upstream snapshot with attribution

examples/v1/research-canvas/agents/python/main.py

@@ -0,0 +1,59 @@
+"""Demo"""
+
+import os
+
+import uvicorn
+from ag_ui_langgraph import add_langgraph_fastapi_endpoint
+from copilotkit import LangGraphAGUIAgent
+from dotenv import load_dotenv
+from fastapi import FastAPI
+
+load_dotenv()
+os.environ["LANGGRAPH_FASTAPI"] = "true"
+from src.agent import graph  # noqa: E402
+
+app = FastAPI()
+
+add_langgraph_fastapi_endpoint(
+    app=app,
+    agent=LangGraphAGUIAgent(
+        name="research_agent", description="Research agent.", graph=graph
+    ),
+    path="/copilotkit/agents/research_agent",
+)
+# add_langgraph_fastapi_endpoint(
+#     app=app,
+#     agent=LangGraphAGUIAgent(
+#         name="research_agent_google_genai", description="Research agent.", graph=graph
+#     ),
+#     path="/copilotkit/agents/research_agent_google_genai",
+# )
+
+
+@app.get("/health")
+def health():
+    """Health check."""
+    return {"status": "ok"}
+
+
+def main():
+    """Run the uvicorn server."""
+    port = int(os.getenv("PORT", "8000"))
+    uvicorn.run(
+        "main:app",
+        host="0.0.0.0",
+        port=port,
+        reload=True,
+        reload_dirs=(
+            ["."]
+            + (
+                ["../../../../sdk-python/copilotkit"]
+                if os.path.exists("../../../../sdk-python/copilotkit")
+                else []
+            )
+        ),
+    )
+
+
+if __name__ == "__main__":
+    main()