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_recalculation_edges.py

@@ -49,7 +49,7 @@ def test_design_column_asks_for_missing_details_then_returns_safe_definition(wor
     ctx = {"current": ["2026-08"], "baseline": ["2025-08"], "filters": {}, "group": "department"}
     missing = {"complete": False, "questions": ["请补充缺失值和零分母的处理方式。"], "column": None}
     complete = {"complete": True, "questions": [], "column": custom_column()}
-    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 = model_response(missing)
         first = design_column([{"role": "user", "content": "增加收入减成本的新列"}], ds, ctx)
         assert first == missing
@@ -79,7 +79,7 @@ def test_design_column_rejects_unsafe_model_definitions(workspace, settings):
         "questions": [],
         "column": {**custom_column(), "expression": "=HYPERLINK()"},
     }
-    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 = model_response(invalid)
         with pytest.raises(APIError, match="未创建工作簿"):
             design_column([{"role": "user", "content": "随意算一个值"}], ds, ctx)