修改全能创作发现问题

core/backend/apps/projects/services/quick_create.py

@@ -104,10 +104,7 @@ def _script_generation_inflight(project: Project) -> bool:
 
 
 def get_quick_script_model() -> ModelConfig | None:
-    """极速成片固定复用专业创作的豆包 Seed 2.1 Pro 脚本模型。
-
-    不回退到默认文本模型，避免默认配置切到 DeepSeek 后两条创作链路的成片质量不一致。
-    """
+    """极速成片固定复用专业创作的豆包 Seed 2.1 Pro 脚本模型。"""
     return (
         ModelConfig.objects.select_related("provider")
         .filter(

core/backend/apps/projects/views.py

@@ -31,6 +31,7 @@ from apps.ai.services import (
     generate_base_asset,
     generate_person_triview,
     get_default_model,
+    resolve_text_model,
     get_inflight_extraction,
     poll_video_segment,
     regenerate_script_segment,
@@ -526,7 +527,7 @@ class ProjectViewSet(TeamScopedViewSetMixin, ModelViewSet):
         if total_duration not in {15, 30, 45, 60}:
             return Response({"detail": "视频时长仅支持15、30、45或60秒"}, status=status.HTTP_400_BAD_REQUEST)
 
-        # 极速成片和专业创作使用同一款豆包脚本模型；绝不因默认模型变化而退回 DeepSeek。
+        # 极速成片和专业创作使用同一款豆包 Seed 2.1 Pro 脚本模型。
         from .services.quick_create import get_quick_script_model
 
         text_model = get_quick_script_model()
@@ -890,16 +891,7 @@ class ProjectViewSet(TeamScopedViewSetMixin, ModelViewSet):
         except (TypeError, ValueError):
             target_index = None
 
-        model_config = None
-        requested = request.data.get("model_config_id")
-        if requested:
-            model_config = (
-                ModelConfig.objects.select_related("provider")
-                .filter(id=requested, capability=ModelConfig.Capability.TEXT, status=ModelConfig.Status.ACTIVE)
-                .first()
-            )
-        if model_config is None:
-            model_config = get_default_model(ModelConfig.Capability.TEXT)
+        model_config = resolve_text_model(requested_id=request.data.get("model_config_id"))
         if model_config is None:
             # 纯 Django 响应:绕开 DRF 渲染(此 action 只挂了 SSE renderer)
             return JsonResponse({"detail": "没有可用的文本模型,请先在模型库配置"}, status=400)