feat: add persona_growth_records table (D110)

persona-brain-db/schema/19-persona-growth-records.sql

@@ -0,0 +1,24 @@
+-- ============================================================
+-- 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);