-- Migration 003: Create indexes for new tables and columns CREATE INDEX IF NOT EXISTS idx_memories_updated ON memories(updated_at DESC); CREATE INDEX IF NOT EXISTS idx_memories_source ON memories(source_type, source_id); CREATE INDEX IF NOT EXISTS idx_conversations_session ON conversations(session_id); CREATE INDEX IF NOT EXISTS idx_conversations_harness ON conversations(harness); CREATE INDEX IF NOT EXISTS idx_embeddings_source ON embeddings(source_type, source_id); CREATE INDEX IF NOT EXISTS idx_embeddings_hash ON embeddings(content_hash);