fix: filter title model from outfit picker

src/app/widgets/ai_outfit_panel.py

@@ -698,15 +698,26 @@ class AiOutfitPanel(QWidget):
         self._last_model = self._model_combo.currentText() if self._models else ""
 
     def _fill_model_combo(self, combo, selected_name):
-        """Fill a model dropdown from self._models (shared by 图片/标题 model, §17.3)."""
+        """Fill the image model dropdown, excluding the configured title model."""
         combo.clear()
         if not self._models:
             combo.addItem("（未配置模型，请在 ai_models.json 添加）")
             combo.setEnabled(False)
             return
+
+        title_model_name = (self._title_model_name or "").strip()
+        image_models = [
+            m for m in self._models
+            if (m.get("name") or m.get("model")) != title_model_name
+        ]
+        if not image_models:
+            combo.addItem("（未配置可用图片模型，请在 ai_models.json 添加）")
+            combo.setEnabled(False)
+            return
+
         combo.setEnabled(True)
-        for m in self._models:
-            combo.addItem(m.get("name") or m.get("model") or "(未命名)")
+        for m in image_models:
+            combo.addItem(m.get("name") or m.get("model") or "(未命名)", m)
         self._set_combo(combo, selected_name)
 
     def _set_combo(self, combo, value):
@@ -718,7 +729,8 @@ class AiOutfitPanel(QWidget):
         self.config_changed.emit({
             "outfit_excel": self._excel_edit.text(),
             "outfit_output_dir": self._output_edit.text(),
-            "outfit_model": self._model_combo.currentText() if self._models else "",
+            "outfit_model": self._model_combo.currentText()
+                            if self._model_combo.currentData() else "",
             "outfit_concurrency": self._concurrency.value(),
             "outfit_request_interval": self._interval.value(),
             "outfit_task_cooldown": self._cooldown.value(),
@@ -1073,9 +1085,9 @@ class AiOutfitPanel(QWidget):
             return
         self._last_model = name
         api_type = "auto"
-        idx = self._model_combo.currentIndex()
-        if self._models and 0 <= idx < len(self._models):
-            api_type = self._models[idx].get("api_type", "auto") or "auto"
+        data = self._model_combo.currentData()
+        if isinstance(data, dict):
+            api_type = data.get("api_type", "auto") or "auto"
         QMessageBox.information(
             self, "AI 模型已切换",
             "已切换模型到 {}。\n\n"
@@ -1158,12 +1170,12 @@ class AiOutfitPanel(QWidget):
             self._stop_btn.setText("停止中…")
 
     def _selected_model_config(self):
-        if not self._models:
+        data = self._model_combo.currentData()
+        if not isinstance(data, dict):
             QMessageBox.warning(
                 self, "未配置模型",
-                "尚未配置 AI 模型。请在 ~/.cmbot/config/ai_models.json 添加后重试。")
+                "尚未配置可用图片 AI 模型。请在 ~/.cmbot/config/ai_models.json 添加后重试。")
             return None
-        data = self._models[self._model_combo.currentIndex()]
         from services.ai_image_service import AiModelConfig, api_config_errors
         errors = api_config_errors(data)
         if errors:
@@ -1176,7 +1188,7 @@ class AiOutfitPanel(QWidget):
         self._stop_btn.setEnabled(running)
         self._stop_btn.setText("停止生成")          # reset 「停止中…」 (§19.24)
         self._excel_edit.setEnabled(not running)
-        self._model_combo.setEnabled(not running and bool(self._models))
+        self._model_combo.setEnabled(not running and bool(self._model_combo.currentData()))
         self._title_btn.setEnabled(not running)      # mutually exclusive with 生成标题
 
     # -- worker callbacks (UI thread) -----------------------------------