feat: add outfit output directory

src/app/widgets/ai_outfit_panel.py

@@ -245,7 +245,7 @@ class AiOutfitPanel(QWidget):
         self._excel_edit.setPlaceholderText("选择商品表 .xlsx")
         col.addLayout(self._inline_path_row("Excel", self._excel_edit, self._browse_excel))
         self._output_edit = QLineEdit()
-        self._output_edit.setPlaceholderText("默认：程序旁的「合并后的图片」")
+        self._output_edit.setPlaceholderText("默认：程序旁的「穿搭图片」")
         col.addLayout(self._inline_path_row("输出", self._output_edit, self._browse_output))
 
         # 穿搭生成话术（多套模板；加大，随窗口高度拉伸）
@@ -467,7 +467,11 @@ class AiOutfitPanel(QWidget):
     def apply_config(self, config):
         """Populate widgets from the merged app config + load models/prompt."""
         self._excel_edit.setText(config.get("outfit_excel", ""))
-        self._output_edit.setText(config.get("outfit_output_dir", ""))
+        outfit_output_dir = str(config.get("outfit_output_dir", "") or "").strip()
+        if not outfit_output_dir:
+            from services.file_service import get_outfit_output_dir
+            outfit_output_dir = str(get_outfit_output_dir())
+        self._output_edit.setText(outfit_output_dir)
         self._concurrency.setValue(int(config.get("outfit_concurrency", 1) or 1))
         self._interval.setValue(float(config.get("outfit_request_interval", 2.0) or 0.0))
         self._cooldown.setValue(float(config.get("outfit_task_cooldown", 1.0) or 0.0))
@@ -787,8 +791,8 @@ class AiOutfitPanel(QWidget):
 
         output_dir = self._output_edit.text().strip()
         if not output_dir:
-            from services.file_service import get_output_dir
-            output_dir = str(get_output_dir())
+            from services.file_service import get_outfit_output_dir
+            output_dir = str(get_outfit_output_dir())
 
         from core.outfit_batch import OutfitBatchOptions
         options = OutfitBatchOptions(
@@ -965,8 +969,8 @@ class AiOutfitPanel(QWidget):
     def _open_output_dir(self):
         path = self._output_edit.text().strip()
         if not path:
-            from services.file_service import get_output_dir
-            path = str(get_output_dir())
+            from services.file_service import get_outfit_output_dir
+            path = str(get_outfit_output_dir())
         QDesktopServices.openUrl(QUrl.fromLocalFile(path))
 
     def _export_failures(self):