chore: update book enabled status wiring

server/.ai-specs/doc-sql/book_author.sql

@@ -7,7 +7,6 @@
 -- 模型：model/book/book_author.go
 -- 迁移接入：initialize/gorm_biz.go
 -- 删除策略：硬删表
--- 启用状态字典：common_enabled_status
 -- 职责：承载书籍作者主体信息，用于作者资料展示、书籍作者关联和后台作者管理。
 
 CREATE TABLE book_author (
@@ -15,7 +14,7 @@ CREATE TABLE book_author (
   created_at timestamp with time zone NOT NULL DEFAULT CURRENT_TIMESTAMP,
   updated_at timestamp with time zone NOT NULL DEFAULT CURRENT_TIMESTAMP,
   name varchar(128) NOT NULL,
-  author_status varchar(32) NOT NULL DEFAULT 'enabled',
+  is_enabled boolean NOT NULL DEFAULT true,
   intro text,
   cover_url varchar(500)
 );
@@ -25,10 +24,10 @@ COMMENT ON COLUMN book_author.id IS '主键';
 COMMENT ON COLUMN book_author.created_at IS '创建时间';
 COMMENT ON COLUMN book_author.updated_at IS '更新时间';
 COMMENT ON COLUMN book_author.name IS '作者名称';
-COMMENT ON COLUMN book_author.author_status IS '作者启用状态字典值，对应 common_enabled_status';
+COMMENT ON COLUMN book_author.is_enabled IS '作者是否启用';
 COMMENT ON COLUMN book_author.intro IS '作者简介';
 COMMENT ON COLUMN book_author.cover_url IS '作者封面图片 URL';
 
 CREATE UNIQUE INDEX uk_book_author_name ON book_author (name);
-CREATE INDEX idx_book_author_author_status ON book_author (author_status);
+CREATE INDEX idx_book_author_is_enabled ON book_author (is_enabled);
 CREATE INDEX idx_book_author_created_at ON book_author (created_at);