修复chat生成参数提交错误BUG|模型引擎积分设置关联开发优化成功|视频/图片生成引擎API开发完成

video-gen-api/app/main.py

@@ -208,26 +208,70 @@ async def _seed_data():
                 )
             )
 
-        # Seed credit ratios - use first model config if available
-        model_result = await db.execute(select(ModelConfig).limit(1))
-        model = model_result.scalar_one_or_none()
-        if model:
-            existing_ratio = await db.execute(
-                select(CreditRatio).where(CreditRatio.model_config_id == model.id).limit(1)
-            )
-            if not existing_ratio.scalars().first():
-                for gen_type, resolution, ratio_val, base, per_sec in [
-                    ("video", "480p", 1.0, 60, 2),
-                    ("video", "720p", 1.0, 80, 2),
-                    ("video", "1080p", 1.5, 120, 3),
-                    ("image", "2K", 1.0, 4, 0),
-                    ("image", "4K", 1.0, 6, 0),
-                ]:
+        # Seed credit ratios - model_config_id is kept as a compatible field name,
+        # but now stores the actual engine id:
+        # - gen_type=video -> video_engines.id
+        # - gen_type=image -> image_engines.id
+        await db.flush()
+
+        default_video_engine_result = await db.execute(
+            select(VideoEngine)
+            .where(VideoEngine.is_active == True)
+            .order_by(VideoEngine.priority.desc(), VideoEngine.id.desc())
+            .limit(1)
+        )
+        default_video_engine = default_video_engine_result.scalar_one_or_none()
+        if default_video_engine:
+            for resolution, ratio_val, base, per_sec in [
+                ("480p", 1.0, 60, 2),
+                ("720p", 1.0, 80, 2),
+                ("1080p", 1.5, 120, 3),
+            ]:
+                existing_ratio = await db.execute(
+                    select(CreditRatio)
+                    .where(CreditRatio.model_config_id == default_video_engine.id)
+                    .where(CreditRatio.gen_type == "video")
+                    .where(CreditRatio.resolution == resolution)
+                    .limit(1)
+                )
+                if not existing_ratio.scalar_one_or_none():
                     db.add(
                         CreditRatio(
                             id=generate_id(),
-                            model_config_id=model.id,
-                            gen_type=gen_type,
+                            model_config_id=default_video_engine.id,
+                            gen_type="video",
+                            resolution=resolution,
+                            ratio=ratio_val,
+                            base_credits=base,
+                            per_second_credits=per_sec,
+                        )
+                    )
+
+        default_image_engine_result = await db.execute(
+            select(ImageEngine)
+            .where(ImageEngine.is_active == True)
+            .order_by(ImageEngine.priority.desc(), ImageEngine.id.desc())
+            .limit(1)
+        )
+        default_image_engine = default_image_engine_result.scalar_one_or_none()
+        if default_image_engine:
+            for resolution, ratio_val, base, per_sec in [
+                ("2K", 1.0, 4, 0),
+                ("4K", 1.0, 6, 0),
+            ]:
+                existing_ratio = await db.execute(
+                    select(CreditRatio)
+                    .where(CreditRatio.model_config_id == default_image_engine.id)
+                    .where(CreditRatio.gen_type == "image")
+                    .where(CreditRatio.resolution == resolution)
+                    .limit(1)
+                )
+                if not existing_ratio.scalar_one_or_none():
+                    db.add(
+                        CreditRatio(
+                            id=generate_id(),
+                            model_config_id=default_image_engine.id,
+                            gen_type="image",
                             resolution=resolution,
                             ratio=ratio_val,
                             base_credits=base,