-- ============================================================
-- 表19：persona_growth_records（Layer 2 · 人格体成长记录 · D110新增）
-- 用途：记录人格体每次认知跃迁
-- ============================================================

CREATE TABLE IF NOT EXISTS persona_growth_records (
  record_id         VARCHAR(32)   PRIMARY KEY,
  persona_id        VARCHAR(32)   NOT NULL,
  epoch             VARCHAR(16)   NOT NULL,         -- 如 'D110', 'D109续④'
  growth_type       VARCHAR(32)   NOT NULL
                    CHECK (growth_type IN (
                      'cognitive_leap', 'correction', 'milestone',
                      'architecture_update', 'deployment'
                    )),
  description       TEXT          NOT NULL,
  evidence          TEXT,                           -- 证据（文件路径/提交ID）
  source            TEXT,                           -- 来源（会话引用）
  status            VARCHAR(16)   NOT NULL DEFAULT 'active'
                    CHECK (status IN ('active', 'archived')),
  created_at        TIMESTAMP     NOT NULL DEFAULT CURRENT_TIMESTAMP
);

CREATE INDEX IF NOT EXISTS idx_pgr_persona ON persona_growth_records(persona_id);
CREATE INDEX IF NOT EXISTS idx_pgr_epoch ON persona_growth_records(epoch);