长期记忆检索

import asyncio
from google.adk.events import Event
from google.adk.sessions import Session
from google.genai import types
from veadk import Agent, Runner
from veadk.memory.long_term_memory import LongTermMemory

memory = LongTermMemory(backend="local", index="ltm_demo")
agent = Agent(
    name="memory_agent",
    instruction="Call load_memory to find the user's saved language preference before answering.",
    long_term_memory=memory,
)
runner = Runner(agent=agent, app_name="ltm_demo")

async def main():
    previous = Session(
        id="previous_chat", app_name="ltm_demo", user_id="user_42",
        events=[Event(author="user", content=types.Content(
            role="user", parts=[types.Part(text="My preferred language is Chinese")]
        ))],
    )
    await memory.add_session_to_memory(previous)
    result = await runner.run(
        "What is my preferred language?", user_id="user_42", session_id="new_chat"
    )
    print(result)

asyncio.run(main())