-- Background tasks tracking
CREATE TABLE IF NOT EXISTS background_tasks (
    id              TEXT PRIMARY KEY NOT NULL,
    task_type       TEXT NOT NULL,
    title           TEXT NOT NULL,
    status          TEXT NOT NULL DEFAULT 'pending',
    message         TEXT DEFAULT '',
    error           TEXT,
    dedupe_key      TEXT,
    success_title   TEXT,
    failure_title   TEXT,
    notify_on_success BOOLEAN DEFAULT TRUE,
    notify_on_failure BOOLEAN DEFAULT TRUE,
    result_json     TEXT,
    progress        BIGINT DEFAULT 0,
    progress_total  BIGINT DEFAULT 0,
    created_at      TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
    updated_at      TEXT DEFAULT (CURRENT_TIMESTAMP::TEXT),
    started_at      TEXT,
    finished_at     TEXT
);

CREATE INDEX IF NOT EXISTS background_tasks_status_idx
    ON background_tasks (status);