CREATE TABLE IF NOT EXISTS sense_identity_users (
    id TEXT PRIMARY KEY,
    username TEXT NOT NULL UNIQUE,
    display_name TEXT NOT NULL,
    role TEXT NOT NULL,
    enabled BOOLEAN NOT NULL DEFAULT TRUE,
    password_hash TEXT NOT NULL,
    created_at TIMESTAMPTZ NOT NULL,
    updated_at TIMESTAMPTZ NOT NULL
);
CREATE TABLE IF NOT EXISTS sense_identity_sessions (
    id TEXT PRIMARY KEY,
    user_id TEXT NOT NULL REFERENCES sense_identity_users(id),
    expires_at TIMESTAMPTZ NOT NULL,
    revoked_at TIMESTAMPTZ NULL
);
CREATE TABLE IF NOT EXISTS sense_identity_audit (
    id TEXT PRIMARY KEY,
    actor_id TEXT NULL REFERENCES sense_identity_users(id),
    action TEXT NOT NULL,
    target TEXT NOT NULL DEFAULT '',
    outcome TEXT NOT NULL,
    metadata JSONB NOT NULL DEFAULT '{}'::jsonb,
    created_at TIMESTAMPTZ NOT NULL
);
CREATE INDEX IF NOT EXISTS sense_identity_audit_created_idx ON sense_identity_audit(created_at DESC);