后端生成闸+多项修复;前端全站更新;QA 审计与报告

后端:
- 新增 celery_health 生成前置闸——无 worker 在线时图片/视频生成入口
  一律 503,防"提交到 ARK 后无人轮询、结果悬空+额度冻结"的数据丢失
- 拼接导出:帧率跟随源众数、字幕逐句重映射、原声/BGM 混音修复
- 资金核算审计脚本 + genesis 账目回填 + 滞留预留清理命令
- 接入 yunqi provider 与豆包 TTS 模型(catalog/migrations/bootstrap 命令)

前端:全站页面更新(pipeline/library/products/projects/team/account 等),
新增共享 pager 分页组件

QA:刷新 function-audit 全量输出,新增 full-qa 报告
文档:BP 产品介绍资料、design/CLAUDE.md

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

core/backend/apps/accounts/serializers.py

@@ -1,6 +1,6 @@
 from rest_framework import serializers
 
-from apps.billing.models import CreditAccount
+from apps.billing.models import CreditAccount, CreditLedger
 
 from .models import LoginSession, Team, TeamMember, User, UserPreference
 
@@ -82,10 +82,19 @@ class RegisterSerializer(serializers.Serializer):
                 owner=user,
             )
             TeamMember.objects.create(team=team, user=user, role=TeamMember.Role.OWNER)
-            CreditAccount.objects.create(
-                team=team,
-                balance=Decimal(str(settings.DEFAULT_TRIAL_CREDITS)),
-            )
+            trial = Decimal(str(settings.DEFAULT_TRIAL_CREDITS))
+            CreditAccount.objects.create(team=team, balance=trial)
+            # 开户赠送额度必须进流水,否则这笔钱在账单里查无凭证、无法对账(余额从第一条起就可追溯)
+            if trial > 0:
+                CreditLedger.objects.create(
+                    team=team,
+                    user=user,
+                    ledger_type=CreditLedger.Type.RECHARGE,
+                    amount=trial,
+                    balance_after=trial,
+                    reason="新用户试用额度赠送",
+                    metadata={"kind": "trial_grant"},
+                )
         return {"user": user, "team": team}
 
 

core/backend/apps/accounts/tests.py

@@ -1,8 +1,11 @@
+from decimal import Decimal
+
+from django.conf import settings
 from django.test import TestCase
 from rest_framework.test import APIClient
 
 from apps.accounts.models import Team, TeamMember, User
-from apps.billing.models import CreditAccount
+from apps.billing.models import CreditAccount, CreditLedger
 
 
 class AuthApiTests(TestCase):
@@ -27,3 +30,20 @@ class AuthApiTests(TestCase):
         self.assertTrue(TeamMember.objects.filter(team=team, user=user, role=TeamMember.Role.OWNER).exists())
         self.assertTrue(CreditAccount.objects.filter(team=team).exists())
 
+    def test_register_trial_grant_is_recorded_in_ledger(self):
+        """开户赠送额度必须进流水:余额=赠送额,且有一条 balance_after=赠送额的 genesis 流水,账目从第一条起可对账。"""
+        client = APIClient()
+        client.post(
+            "/api/auth/register/",
+            {"username": "ledger-owner", "password": "strong-password", "team_name": "Ledger Team"},
+            format="json",
+        )
+        team = Team.objects.get(name="Ledger Team")
+        trial = Decimal(str(settings.DEFAULT_TRIAL_CREDITS))
+        account = CreditAccount.objects.get(team=team)
+        self.assertEqual(account.balance, trial)
+        genesis = CreditLedger.objects.filter(team=team, ledger_type=CreditLedger.Type.RECHARGE)
+        self.assertEqual(genesis.count(), 1)
+        self.assertEqual(genesis.first().amount, trial)
+        self.assertEqual(genesis.first().balance_after, trial)  # 流水终点 == 账户余额,可对账
+