fix: 减少自定义情景中数据库表对 prompt 的约束

check_constraints.sql

@@ -0,0 +1,9 @@
+-- 检查 user_scenarios 表的所有约束
+SELECT
+    con.conname AS constraint_name,
+    con.contype AS constraint_type,
+    pg_get_constraintdef(con.oid) AS constraint_definition
+FROM pg_constraint con
+JOIN pg_class rel ON rel.oid = con.conrelid
+WHERE rel.relname = 'user_scenarios'
+ORDER BY con.conname;