fix: add_pricing_program_timing.dspy 补充 sor 上下文创建

wwwroot/api/add_pricing_program_timing.dspy

@@ -1,3 +1,6 @@
 # 新增定价项目时序，自动处理拉链逻辑
-await add_pricing_program_timing(request._run_ns, sor, params_kw)
+env = request._run_ns
+dbname = get_module_dbname('pricing')
+async with DBPools().sqlorContext(dbname) as sor:
+    await add_pricing_program_timing(env, sor, params_kw)
 return {'status': 'success'}