// Create memory
await runtime.createMemory({
  entityId: userId,
  roomId: conversationId,
  content: {
    text: 'Important information',
    metadata: { importance: 'high' }
  },
  embedding: await generateEmbedding(text)
});

// Retrieve memories
const memories = await runtime.getMemories({
  roomId: conversationId,
  limit: 10,
  unique: true
});

// Search semantically
const results = await runtime.searchMemories(
  'query text',
  {
    roomId: conversationId,
    limit: 5,
    minScore: 0.7
  }
);

// Update memory
await runtime.updateMemory({
  id: memoryId,
  content: { ...updated content },
  metadata: { lastAccessed: Date.now() }
});

async function pruneOldMemories(
  runtime: IAgentRuntime,
  daysToKeep: number = 30
): Promise<number> {
  const cutoffDate = Date.now() - (daysToKeep * 24 * 60 * 60 * 1000);

  const oldMemories = await runtime.getMemories({
    createdBefore: cutoffDate,
    importance: 'low'
  });

  for (const memory of oldMemories) {
    await runtime.deleteMemory(memory.id);
  }

  return oldMemories.length;
}

async function pruneLargeMemories(
  runtime: IAgentRuntime,
  maxSize: number = 1000
): Promise<void> {
  const memories = await runtime.getMemories({ limit: 10000 });

  if (memories.length > maxSize) {
    // Keep most important and recent
    const toKeep = rankMemoriesByImportance(memories).slice(0, maxSize);
    const toDelete = memories.filter(m => !toKeep.includes(m));

    for (const memory of toDelete) {
      await runtime.deleteMemory(memory.id);
    }
  }
}