fix: content quality, image format, task monitor, calendar data source, search UI & sort

platform/backend/app/models.py

@@ -2,7 +2,44 @@ from sqlalchemy import Column, String, Integer, Float, Date, DateTime, Text, Boo
 from sqlalchemy.sql import func
 from sqlalchemy.orm import relationship
 from .database import Base
-from datetime import datetime
+from datetime import datetime, timezone
+
+
+class SearchProvider(Base):
+    __tablename__ = "search_providers"
+
+    id = Column(Integer, primary_key=True, index=True, autoincrement=True)
+    name = Column(String, nullable=False, comment="显示名称")
+    provider_type = Column(String, nullable=False, comment="baidu / qiniu / tinyfish")
+    api_key = Column(String, nullable=True, comment="API密钥")
+    api_url = Column(String, nullable=True, comment="API地址")
+    priority = Column(Integer, default=1, comment="优先级，越小越优先")
+    enabled = Column(Boolean, default=True)
+    daily_limit = Column(Integer, default=1500, comment="每日调用上限")
+    usage_today = Column(Integer, default=0, comment="当日已用次数")
+    console_url = Column(String, nullable=True, comment="官网控制台地址")
+    extra_config = Column(JSON, default=dict, comment="额外配置")
+    last_used_at = Column(DateTime(timezone=True), nullable=True)
+    created_at = Column(DateTime(timezone=True), server_default=func.now())
+    updated_at = Column(DateTime(timezone=True), onupdate=func.now())
+
+    def to_dict(self):
+        return {
+            "id": self.id,
+            "name": self.name,
+            "provider_type": self.provider_type,
+            "api_key": self.api_key,
+            "api_url": self.api_url,
+            "console_url": self.console_url,
+            "priority": self.priority,
+            "enabled": self.enabled,
+            "daily_limit": self.daily_limit,
+            "usage_today": self.usage_today,
+            "extra_config": self.extra_config or {},
+            "last_used_at": self.last_used_at.isoformat() if self.last_used_at else None,
+            "created_at": self.created_at.isoformat() if self.created_at else None,
+            "updated_at": self.updated_at.isoformat() if self.updated_at else None,
+        }
 
 
 class AuditLog(Base):
@@ -221,6 +258,7 @@ class Topic(Base):
     created_at = Column(DateTime(timezone=True), server_default=func.now())
     updated_at = Column(DateTime(timezone=True), onupdate=func.now())
     generated_at = Column(DateTime(timezone=True), nullable=True)
+    reviewed_at = Column(DateTime(timezone=True), nullable=True)
     ready_at = Column(Date)
     published_at = Column(Date)
     compliance_score = Column(Integer)