CREATE TABLE IF NOT EXISTS api_tokens (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    name TEXT NOT NULL,
    token_hash TEXT NOT NULL UNIQUE,
    token_prefix TEXT NOT NULL,
    enabled BOOLEAN NOT NULL DEFAULT true,
    created_at TEXT NOT NULL,
    created_by TEXT NOT NULL DEFAULT 'local',
    last_used_at TEXT NULL
);

CREATE INDEX IF NOT EXISTS idx_api_tokens_hash ON api_tokens(token_hash);