fix(upload): 子类型下拉框始终显示，不限于合同类型

app/routes/files.upload.tsx

@@ -2332,30 +2332,28 @@ export default function FilesUpload() {
               </select>
               <div className="form-tip">优先级影响文档在队列中的处理顺序</div>
             </div>
-            {/* 只有选择合同类型时才显示合同子类型选择器 */}
-            {isContractType && (
-              <div className="form-group">
-                <label htmlFor="contract-type-select" className="form-label">
-                  合同类型 <span className="required">*</span>
-                </label>
-                <select
-                  id="contract-type-select"
-                  name="attributeType"
-                  className="form-select"
-                  value={attributeType}
-                  onChange={(e) => setAttributeType(e.target.value)}
-                  disabled={uploadStage !== "idle"}
-                  required
-                >
-                  {CONTRACT_TYPES.map(type => (
-                    <option key={type.value} value={type.value}>
-                      {type.label}
-                    </option>
-                  ))}
-                </select>
-                <div className="form-tip">选择正确的合同类型以应用对应的审核规则</div>
-              </div>
-            )}
+            {/* 子类型（专属类型）- 始终显示 */}
+            <div className="form-group">
+              <label htmlFor="attribute-type-select" className="form-label">
+                子类型 <span className="required">*</span>
+              </label>
+              <select
+                id="attribute-type-select"
+                name="attributeType"
+                className="form-select"
+                value={attributeType}
+                onChange={(e) => setAttributeType(e.target.value)}
+                disabled={uploadStage !== "idle"}
+                required
+              >
+                {CONTRACT_TYPES.map(type => (
+                  <option key={type.value} value={type.value}>
+                    {type.label}
+                  </option>
+                ))}
+              </select>
+              <div className="form-tip">选择文档专属类型以应用对应的审核规则（合同大类请选择技术/租赁/买卖等）</div>
+            </div>
             <div className="form-group">
               <label htmlFor="docNumber" className="form-label">文档编号</label>
               <input