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"""
Session Persistence Example
Demonstrates how conversation memory persists across sessions
"""
from agents.core.coordinator import AgentCoordinator
def example_first_session():
"""First session - user provides information"""
print("=" * 60)
print("SESSION 1: User provides information")
print("=" * 60)
# Create coordinator with user_id
coordinator = AgentCoordinator(user_id="user123")
# User provides information
query1 = "Tôi 25 tuổi, nam, 70kg, 175cm, muốn giảm cân"
response1 = coordinator.handle_query(query1, [])
print(f"\nUser: {query1}")
print(f"Bot: {response1[:200]}...")
# Check what's in memory
profile = coordinator.memory.get_full_profile()
print(f"\n📊 Memory saved:")
print(f" Age: {profile['age']}")
print(f" Gender: {profile['gender']}")
print(f" Weight: {profile['weight']}kg")
print(f" Height: {profile['height']}cm")
print("\n✅ Session saved automatically!")
print(" (User closes app)")
def example_second_session():
"""Second session - memory is restored"""
print("\n" + "=" * 60)
print("SESSION 2: User returns (next day)")
print("=" * 60)
# Create NEW coordinator with SAME user_id
# Memory will be automatically loaded!
coordinator = AgentCoordinator(user_id="user123")
# Check memory - it should be loaded!
profile = coordinator.memory.get_full_profile()
print(f"\n📊 Memory restored:")
print(f" Age: {profile['age']}")
print(f" Gender: {profile['gender']}")
print(f" Weight: {profile['weight']}kg")
print(f" Height: {profile['height']}cm")
# User asks new question - bot remembers!
query2 = "Tôi nên ăn bao nhiêu calo mỗi ngày?"
response2 = coordinator.handle_query(query2, [])
print(f"\nUser: {query2}")
print(f"Bot: {response2[:200]}...")
print("\n✅ Bot remembers user info from previous session!")
def example_different_user():
"""Different user - separate session"""
print("\n" + "=" * 60)
print("SESSION 3: Different user")
print("=" * 60)
# Different user_id = different session
coordinator = AgentCoordinator(user_id="user456")
profile = coordinator.memory.get_full_profile()
print(f"\n📊 Memory for user456:")
print(f" Age: {profile['age']}") # Should be None
print(f" Gender: {profile['gender']}") # Should be None
print("\n✅ Each user has separate session!")
def example_without_persistence():
"""Without user_id - no persistence"""
print("\n" + "=" * 60)
print("SESSION 4: Without persistence (no user_id)")
print("=" * 60)
# No user_id = no persistence
coordinator = AgentCoordinator() # No user_id
print("\n⚠️ Memory will NOT persist across sessions")
print(" (Useful for anonymous/guest users)")
if __name__ == '__main__':
# Run examples
example_first_session()
example_second_session()
example_different_user()
example_without_persistence()
print("\n" + "=" * 60)
print("✅ Session Persistence Demo Complete!")
print("=" * 60)
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