feat(ai): 自由创作视频生成全量移植(/free-create)——Seedance 文/图生视频+按时长计费+人物素材库
后端: - free_video.py: 提交/轮询/收藏/软删全链路,复用 AITask(新增 is_deleted/is_favorited, migration 0022) - video_pricing.py: 按时长 token 计费(×1.10 buffer+clamp); video_errors.py 错误归一; media_probe.py 时长探测 - catalog/volcano: Seedance free-video 模型接入+seed(migration 0023) - 素材库: FreeAssetGroup/FreeAsset(火山 Assets API 引用登记, migration 0009)+ 上传/轮询/删除接口 - settings: FREE_VIDEO_MAX_CONCURRENT 团队并发闸(默认3); CELERY_TASK_ALWAYS_EAGER 本地联调开关(生产恒关) - 测试: test_free_video.py 新增; billing/products/projects tests 配套调整 前端: - /free-create 页面+components/free-create/ 全套(输入栏/@mention 素材引用/生成卡/视频详情弹窗/素材库弹窗) - api.ts/types.ts 扩展 free-video 与 free-assets 接口; 路由/侧边栏入口接入 bug/: 测试清单 (11)(12) 与截图归档 Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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# Generated by Django 5.1.15 on 2026-07-02 07:23
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from django.conf import settings
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from django.db import migrations, models
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class Migration(migrations.Migration):
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dependencies = [
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("accounts", "0007_team_monthly_credit_limit"),
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("ai", "0021_rename_ai_aitask_team_read_idx_ai_aitask_team_id_d668d5_idx"),
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("projects", "0006_migrate_storyboard_to_shots"),
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migrations.swappable_dependency(settings.AUTH_USER_MODEL),
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]
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operations = [
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migrations.AddField(
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model_name="aitask",
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name="is_deleted",
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field=models.BooleanField(default=False),
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),
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migrations.AddField(
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model_name="aitask",
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name="is_favorited",
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field=models.BooleanField(default=False),
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),
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migrations.AlterField(
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model_name="aitask",
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name="task_type",
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field=models.CharField(
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choices=[
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("script_generation", "Script Generation"),
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("script_optimization", "Script Optimization"),
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("entity_extraction", "Entity Extraction"),
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("product_image", "Product Image"),
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("person_image", "Person Image"),
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("scene_image", "Scene Image"),
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("storyboard", "Storyboard"),
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("video_segment", "Video Segment"),
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("voiceover", "Voiceover"),
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("export", "Export"),
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("free_video", "Free Video"),
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],
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max_length=48,
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),
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),
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migrations.AddIndex(
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model_name="aitask",
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index=models.Index(
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fields=["team", "task_type", "-created_at"],
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name="ai_aitask_team_id_6a4627_idx",
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),
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),
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]
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"""Seed 自由创作视频三档模型(Seedance 2.0 标准/Fast/Mini)+ token 定价表。
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- 定价存 ModelConfig.metadata["pricing"](元/百万tokens,按 分辨率档 × 是否含视频参考 取价),
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与 apps/ai/catalog.py 保持一致;数字来源火山 Seedance 2.0 官方价目。
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- 标准档已存在(catalog bootstrap 种的),只 merge pricing/resolutions 进 metadata,不覆盖其它键;
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fast/mini 新建,is_default=False 且 created_at 晚于现有视频模型 →
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get_default_model(VIDEO) 仍取原默认,pipeline 视频链路零回归。
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- 幂等:可重复 apply。
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"""
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from django.db import migrations
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STANDARD_PRICING = {
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"unit": "cny_per_million_tokens",
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"default": {"no_ref_video": 46, "with_ref_video": 28},
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"1080p": {"no_ref_video": 51, "with_ref_video": 31},
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"4k": {"no_ref_video": 26, "with_ref_video": 16},
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}
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NEW_MODELS = [
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# name, display_name, pricing
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(
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"doubao-seedance-2-0-fast-260128",
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"Seedance-2.0-Fast",
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{"unit": "cny_per_million_tokens", "default": {"no_ref_video": 37, "with_ref_video": 22}},
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),
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(
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"doubao-seedance-2-0-mini-260615",
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"Seedance-2.0-Mini",
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{"unit": "cny_per_million_tokens", "default": {"no_ref_video": 23, "with_ref_video": 14}},
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),
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]
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COMMON_METADATA = {
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"audio": "optional",
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"modes": ["text", "startFrameOptional", "imageReference:9", "videoReference:3", "audioReference:3"],
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"durations": list(range(4, 16)),
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"resolutions": ["480p", "720p"],
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"watermark": False,
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"source": "jimeng-clone/backend/utils/airdrama_client.py",
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}
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def seed(apps, schema_editor):
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ModelProvider = apps.get_model("ai", "ModelProvider")
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ModelConfig = apps.get_model("ai", "ModelConfig")
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provider, _ = ModelProvider.objects.get_or_create(
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name="volcengine",
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defaults={
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"display_name": "火山引擎(豆包)",
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"status": "active",
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"base_url": "https://ark.cn-beijing.volces.com/api/v3",
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},
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)
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# 标准档:merge pricing + 扩分辨率,不动 status/is_default/unit_price/其它 metadata
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standard = ModelConfig.objects.filter(
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provider=provider, name="doubao-seedance-2-0-260128", capability="video"
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).first()
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if standard:
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meta = dict(standard.metadata or {})
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meta["pricing"] = STANDARD_PRICING
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meta["resolutions"] = ["480p", "720p", "1080p", "4k"]
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standard.metadata = meta
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standard.save(update_fields=["metadata"])
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else:
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meta = dict(COMMON_METADATA)
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meta["pricing"] = STANDARD_PRICING
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meta["resolutions"] = ["480p", "720p", "1080p", "4k"]
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ModelConfig.objects.create(
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provider=provider,
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name="doubao-seedance-2-0-260128",
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capability="video",
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display_name="Seedance-2.0",
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endpoint="contents/generations/tasks",
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status="active",
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metadata=meta,
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)
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for name, display, pricing in NEW_MODELS:
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meta = dict(COMMON_METADATA)
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meta["pricing"] = pricing
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obj, created = ModelConfig.objects.get_or_create(
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provider=provider,
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name=name,
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capability="video",
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defaults={
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"display_name": display,
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"endpoint": "contents/generations/tasks",
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"status": "active",
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"metadata": meta,
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},
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)
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if not created:
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existing = dict(obj.metadata or {})
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existing.setdefault("resolutions", meta["resolutions"])
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existing.setdefault("durations", meta["durations"])
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existing["pricing"] = pricing
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obj.metadata = existing
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if obj.status != "active":
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obj.status = "active"
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obj.save(update_fields=["metadata", "status"])
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else:
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obj.save(update_fields=["metadata"])
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def unseed(apps, schema_editor):
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# 保守反向:只停用本迁移新建的两档,不删数据、不动标准档 metadata
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ModelConfig = apps.get_model("ai", "ModelConfig")
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ModelConfig.objects.filter(
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provider__name="volcengine",
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capability="video",
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name__in=[n for n, _, _ in NEW_MODELS],
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).update(status="disabled")
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class Migration(migrations.Migration):
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dependencies = [("ai", "0022_aitask_is_deleted_aitask_is_favorited_and_more")]
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operations = [migrations.RunPython(seed, unseed)]
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