-- mini-openclaw 兴邦对公业务演示库：时间追踪扩展
-- 主业务对象继续使用 assistant_objects 的版本化 JSON 合同；本表用于可统计的阶段事件。
CREATE TABLE IF NOT EXISTS business_time_events (
    id TEXT PRIMARY KEY,
    project_id TEXT NOT NULL,
    phase_code TEXT NOT NULL,
    phase_name TEXT NOT NULL,
    role TEXT NOT NULL CHECK (role IN ('manager', 'reviewer', 'admin', 'system')),
    category TEXT NOT NULL CHECK (category IN ('active', 'queue', 'external_wait', 'system')),
    status TEXT NOT NULL CHECK (status IN ('running', 'completed', 'cancelled')),
    started_at TEXT NOT NULL,
    ended_at TEXT,
    actor_id TEXT NOT NULL,
    source_type TEXT NOT NULL,
    source_id TEXT NOT NULL,
    detail TEXT NOT NULL DEFAULT '{}'
);

CREATE INDEX IF NOT EXISTS business_time_project_started
    ON business_time_events(project_id, started_at);

CREATE INDEX IF NOT EXISTS business_time_role_phase
    ON business_time_events(role, phase_code, started_at);