fix: 复合主键表改为单字段 id 以支持 ent 完整生成

desc/sql/community/comment_likes.sql

@@ -1,10 +1,11 @@
 CREATE TABLE comment_likes
 (
+    id         BIGINT PRIMARY KEY,
     comment_id BIGINT      NOT NULL,
     user_id    BIGINT      NOT NULL,
     created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
 
-    PRIMARY KEY (comment_id, user_id)
+    UNIQUE (comment_id, user_id)
 );
 
 CREATE INDEX idx_comment_likes_lookup ON comment_likes (user_id, comment_id);

desc/sql/community/post_likes.sql

@@ -1,11 +1,11 @@
 CREATE TABLE post_likes
 (
+    id         BIGINT PRIMARY KEY,
     post_id    BIGINT      NOT NULL,
     user_id    BIGINT      NOT NULL,
     created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
 
-    -- 复合主键，防止重复点赞
-    PRIMARY KEY (post_id, user_id)
+    UNIQUE (post_id, user_id)
 );
 
 -- [核心索引] 优化 "feed流中判断我是否已赞" (user_id = ? AND post_id IN (...))

desc/sql/shop/shop_players.sql

@@ -1,5 +1,6 @@
 CREATE TABLE shop_players
 (
+    id         BIGINT PRIMARY KEY,
     shop_id    BIGINT      NOT NULL REFERENCES shops (id),
     player_id  BIGINT      NOT NULL,
 
@@ -8,7 +9,7 @@ CREATE TABLE shop_players
     joined_at  TIMESTAMPTZ NOT NULL DEFAULT NOW(),
     left_at    TIMESTAMPTZ, -- 软删除，表示已离职
 
-    PRIMARY KEY (shop_id, player_id)
+    UNIQUE (shop_id, player_id)
 );
 
 -- 索引