update

scripts/migrate_refresh/main.go

@@ -38,4 +38,61 @@ func main() {
 		log.Fatalf("create refresh_tokens: %v", err)
 	}
 	log.Println("✓ refresh_tokens ready")
+
+	stmtFav := `CREATE TABLE IF NOT EXISTS favorites (
+		id           INT UNSIGNED NOT NULL AUTO_INCREMENT,
+		created_at   INT UNSIGNED NOT NULL DEFAULT 0,
+		user_id      INT UNSIGNED NOT NULL,
+		target_type  VARCHAR(16) NOT NULL DEFAULT '',
+		target_uid   VARCHAR(64) NOT NULL DEFAULT '',
+		title        VARCHAR(255) NOT NULL DEFAULT '',
+		cover        VARCHAR(512) NOT NULL DEFAULT '',
+		brand        VARCHAR(255) NOT NULL DEFAULT '',
+		PRIMARY KEY (id),
+		UNIQUE KEY uniq_user_target (user_id, target_uid),
+		KEY idx_user (user_id),
+		KEY idx_user_created (user_id, created_at)
+	) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;`
+	if err := db.Exec(stmtFav).Error; err != nil {
+		log.Fatalf("create favorites: %v", err)
+	}
+	// 复合索引（user_id, created_at）：优化收藏分页深翻页（10万收藏场景）；已存在则忽略报错
+	if err := db.Exec("ALTER TABLE favorites ADD INDEX idx_user_created (user_id, created_at)").Error; err != nil {
+		log.Printf("ℹ favorites idx_user_created 已存在，可忽略: %v", err)
+	}
+	log.Println("✓ favorites ready")
+
+	// histories：文章级浏览历史（2026-09-02 收敛）。
+	// 仅存 user_id + target_uid（带 r=/s= 前缀的对外编码串，前缀即类型）+ viewed_at；
+	// kind/target_type/title/cover/brand 快照已弃用（账户页展示时回查公开详情接口）。
+	stmtHist := `CREATE TABLE IF NOT EXISTS histories (
+		id           INT UNSIGNED NOT NULL AUTO_INCREMENT,
+		viewed_at    INT UNSIGNED NOT NULL DEFAULT 0,
+		user_id      INT UNSIGNED NOT NULL,
+		target_uid   VARCHAR(64) NOT NULL DEFAULT '',
+		PRIMARY KEY (id),
+		UNIQUE KEY uniq_user_target (user_id, target_uid),
+		KEY idx_user_viewed (user_id, viewed_at)
+	) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;`
+	if err := db.Exec(stmtHist).Error; err != nil {
+		log.Fatalf("create histories: %v", err)
+	}
+	// —— 存量库收敛（幂等）：清掉旧固定串行（runway-looks/street-snaps），卸掉旧列与旧唯一键，换上新的 ——
+	// 旧结构列/键可能不存在（新库）或已收敛（二次执行），每条失败仅提示、不中断。
+	trimHist := []string{
+		"DELETE FROM histories WHERE target_uid NOT LIKE 'r=%' AND target_uid NOT LIKE 's=%'",
+		"ALTER TABLE histories DROP KEY uniq_user_kind_target",
+		"ALTER TABLE histories DROP COLUMN kind",
+		"ALTER TABLE histories DROP COLUMN target_type",
+		"ALTER TABLE histories DROP COLUMN title",
+		"ALTER TABLE histories DROP COLUMN cover",
+		"ALTER TABLE histories DROP COLUMN brand",
+		"ALTER TABLE histories ADD UNIQUE KEY uniq_user_target (user_id, target_uid)",
+	}
+	for _, stmt := range trimHist {
+		if err := db.Exec(stmt).Error; err != nil {
+			log.Printf("ℹ histories 收敛步骤可忽略（可能已收敛/新库）: %v", err)
+		}
+	}
+	log.Println("✓ histories ready (article-level: user_id+target_uid+viewed_at)")
 }