feat: 主键自增改雪花 ID（为分库分表预留）

- 52 个 entity 主键 @TableId 由 IdType.AUTO 改为 IdType.ASSIGN_ID（雪花）
- 双服务 application.yml 的 mybatis-plus id-type 由 auto 改为 assign_id
- schema 脚本主键去掉 GENERATED BY DEFAULT AS IDENTITY

fruitshorts-module-content/src/main/java/com/fruitshorts/content/dal/entity/ContentBanner.java

@@ -16,7 +16,7 @@ import java.time.LocalDateTime;
 @TableName("content_banner")
 public class ContentBanner {
 
-    @TableId(type = IdType.AUTO)
+    @TableId(type = IdType.ASSIGN_ID)
     private Long id;
     private String imageUrl;
     /** 展示位置，列名为 slot（position 在 PostgreSQL 里是关键字） */

fruitshorts-module-content/src/main/java/com/fruitshorts/content/dal/entity/Drama.java

@@ -16,7 +16,7 @@ import java.time.LocalDateTime;
 @TableName("drama")
 public class Drama {
 
-    @TableId(type = IdType.AUTO)
+    @TableId(type = IdType.ASSIGN_ID)
     private Long id;
     private String code;
     private String title;

fruitshorts-module-content/src/main/java/com/fruitshorts/content/dal/entity/DramaCategory.java

@@ -11,7 +11,7 @@ import lombok.Data;
 @TableName("drama_category")
 public class DramaCategory {
 
-    @TableId(type = IdType.AUTO)
+    @TableId(type = IdType.ASSIGN_ID)
     private Long id;
     private String name;
     private Integer sort;

fruitshorts-module-content/src/main/java/com/fruitshorts/content/dal/entity/DramaEpisode.java

@@ -16,7 +16,7 @@ import java.time.LocalDateTime;
 @TableName("drama_episode")
 public class DramaEpisode {
 
-    @TableId(type = IdType.AUTO)
+    @TableId(type = IdType.ASSIGN_ID)
     private Long id;
     private Long dramaId;
     private Integer epNo;

fruitshorts-module-content/src/main/java/com/fruitshorts/content/dal/entity/DramaReviewRecord.java

@@ -13,7 +13,7 @@ import java.time.LocalDateTime;
 @TableName("drama_review_record")
 public class DramaReviewRecord {
 
-    @TableId(type = IdType.AUTO)
+    @TableId(type = IdType.ASSIGN_ID)
     private Long id;
     private String bizType;
     private Long bizId;