fix(publish): 迁移03街拍体检同步 city+year+title 口径，补 04 体检与查重口径测试

db/migrations/2026-09-22-03-entity-key-unique.sql

@@ -20,10 +20,12 @@ BEGIN
     RAISE EXCEPTION 'brand_runways 有 % 组重复实体键，请先人工合并再加唯一索引', dup;
   END IF;
 
+  -- 口径已随任务 3c 的实体键细化同步为 (city, year, title)：否则本文件在「同城同年多专题」
+  -- 的合法数据上不再幂等（重复执行会误报重复而中止）。
   SELECT count(*) INTO dup FROM (
-    SELECT city, year
+    SELECT city, year, COALESCE(title, '')
     FROM street_snaps WHERE is_deleted = 0
-    GROUP BY 1, 2 HAVING count(*) > 1
+    GROUP BY 1, 2, 3 HAVING count(*) > 1
   ) t;
   IF dup > 0 THEN
     RAISE EXCEPTION 'street_snaps 有 % 组重复实体键，请先人工合并再加唯一索引', dup;