fix(ai): 统一模型传输与页面配置，公式列设计不再绕过组织设置

tests/test_formula_columns.py

@@ -168,7 +168,7 @@ def test_design_column_preserves_clarification_branch_and_full_conversation(form
             }
         ],
     }
-    with patch("finance.formula_views.httpx.Client") as http:
+    with patch("finance.ai.httpx.Client") as http:
         http.return_value.__enter__.return_value.post.return_value = type(
             "Response",
             (),
@@ -209,7 +209,7 @@ def test_design_column_preserves_clarification_branch_and_full_conversation(form
         {"role": "assistant", "content": "请说明计算方式和缺失值处理。"},
         {"role": "user", "content": "收入减成本，缺失时不可用"},
     ]
-    with patch("finance.formula_views.httpx.Client") as client:
+    with patch("finance.ai.httpx.Client") as client:
         client.return_value.__enter__.return_value.post.return_value = Response()
         result = design_column(
             messages,
@@ -251,7 +251,7 @@ def test_design_column_returns_only_validated_formula_definition(formula_data, s
             },
         },
     )()
-    with patch("finance.formula_views.httpx.Client") as http:
+    with patch("finance.ai.httpx.Client") as http:
         http.return_value.__enter__.return_value.post.return_value = response
         result = design_column(
             [