feat(viral-video): 动态积分定价（按tokens×单价×1.3，保留两位小数） (#2152)

Co-authored-by: xiaoxia <dev@xiaoxiajianji.com>
Co-committed-by: xiaoxia <dev@xiaoxiajianji.com>

packages/adapters/sqlalchemy_impl/models.py

@@ -56,7 +56,7 @@ class UserModel(Base):
     is_member = Column(Boolean, nullable=False, default=False)
     member_type = Column(String(20), nullable=True)
     member_expires_at = Column(DateTime, nullable=True)
-    points_balance = Column(Integer, nullable=False, default=0)
+    points_balance = Column(Float, nullable=False, default=0)
     created_at = Column(DateTime, nullable=False, default=lambda: datetime.now(UTC))
 
 
@@ -775,9 +775,9 @@ class PointsAccountModel(Base):
 
     id = Column(String(36), primary_key=True)
     user_id = Column(String(36), nullable=False, unique=True, index=True)
-    balance = Column(Integer, nullable=False, default=0)
-    total_earned = Column(Integer, nullable=False, default=0)
-    total_spent = Column(Integer, nullable=False, default=0)
+    balance = Column(Float, nullable=False, default=0)
+    total_earned = Column(Float, nullable=False, default=0)
+    total_spent = Column(Float, nullable=False, default=0)
     created_at = Column(DateTime, nullable=False, default=lambda: datetime.now(UTC))
     updated_at = Column(DateTime, nullable=False, default=lambda: datetime.now(UTC))
 
@@ -792,8 +792,8 @@ class PointsTransactionModel(Base):
     account_id = Column(String(36), nullable=False, index=True)
     type = Column(String(20), nullable=False, index=True)  # earn / spend / refund
     source = Column(String(50), nullable=False, index=True)
-    amount = Column(Integer, nullable=False)
-    balance_after = Column(Integer, nullable=False)
+    amount = Column(Float, nullable=False)
+    balance_after = Column(Float, nullable=False)
     description = Column(String(255), nullable=False, default="")
     ref_id = Column(String(100), nullable=False, default="")
     created_at = Column(DateTime, nullable=False, default=lambda: datetime.now(UTC))
@@ -961,7 +961,10 @@ class ViralVideoJobModel(Base):
         JSON, nullable=True
     )  # v1.6: 编导脚本结构{overview,scene_and_lighting,shots,hard_constraints,negative_prompts,voiceover_script}
     result_video_url = Column(String(1000), nullable=False, default="")
-    credits_cost = Column(Integer, nullable=False, default=0)
+    credits_cost = Column(Float, nullable=False, default=0)
+    video_resolution = Column(String(20), nullable=False, default="720p")
+    credits_prepaid = Column(Float, nullable=False, default=0.0)
+    credits_transaction_id = Column(String(36), nullable=False, default="")
     error_msg = Column(Text, nullable=False, default="")
     retry_count = Column(Integer, nullable=False, default=0)
     started_at = Column(DateTime(timezone=True), nullable=True)