CREATE EXTENSION IF NOT EXISTS vector;

CREATE TABLE IF NOT EXISTS memory_primary (
  id TEXT PRIMARY KEY,
  source TEXT NOT NULL,
  content TEXT NOT NULL,
  content_hash TEXT NOT NULL,
  embedding VECTOR(4096) NOT NULL,
  updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
);

CREATE TABLE IF NOT EXISTS memory_secure_audit (
  id TEXT PRIMARY KEY,
  source TEXT NOT NULL,
  risk TEXT NOT NULL,
  updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
);

CREATE INDEX IF NOT EXISTS memory_primary_embedding_idx
ON memory_primary USING hnsw (embedding vector_cosine_ops);