CREATE TABLE IF NOT EXISTS audit_logs (
    id TEXT PRIMARY KEY,
    event_type TEXT NOT NULL,
    user_id TEXT,
    api_key_id TEXT,
    description TEXT NOT NULL,
    ip_address TEXT,
    user_agent TEXT,
    request_id TEXT,
    event_metadata TEXT,
    status_code INTEGER,
    error_message TEXT,
    created_at INTEGER NOT NULL
);
CREATE INDEX IF NOT EXISTS audit_logs_created_at_idx ON audit_logs (created_at);
CREATE INDEX IF NOT EXISTS audit_logs_event_type_idx ON audit_logs (event_type);
CREATE INDEX IF NOT EXISTS audit_logs_request_id_idx ON audit_logs (request_id);
CREATE INDEX IF NOT EXISTS audit_logs_user_id_idx ON audit_logs (user_id);