```

feat: 添加飞书用户模块和订阅功能支持

- 新增feishu_users模块用于处理飞书用户身份验证和权限管理
- 新增subscriptions模块用于处理订阅相关功能
- 新增personalization模块用于个性化服务
- 在alembic迁移配置中注册新的模型模块
- 在API路由器中添加feishu_users和subscriptions路由
- 实现事件调度服务的改进，包括错误处理和状态更新优化
- 添加飞书命令处理的权限检查机制
- 实现飞书应用票据事件处理
- 改进审计日志记录功能
```

app/modules/subscriptions/models.py

@@ -0,0 +1,122 @@
+from datetime import datetime
+from typing import Any
+
+from sqlalchemy import (
+    JSON,
+    DateTime,
+    ForeignKey,
+    Integer,
+    String,
+    Text,
+    UniqueConstraint,
+)
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.core.database import Base
+from app.core.utils.time import utc_now
+from app.modules.subscriptions.constants import (
+    PushDeliveryStatus,
+    PushSubscriptionStatus,
+)
+
+
+class PushSubscription(Base):
+    __tablename__ = "push_subscriptions"
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
+    code: Mapped[str] = mapped_column(String(64), unique=True, index=True)
+    owner_id: Mapped[int] = mapped_column(
+        ForeignKey("feishu_users.id", ondelete="CASCADE"),
+        index=True,
+    )
+    target_type: Mapped[str] = mapped_column(String(16), index=True)
+    target_id: Mapped[str] = mapped_column(String(256))
+    prompt: Mapped[str] = mapped_column(Text)
+    schedule_type: Mapped[str] = mapped_column(String(32), index=True)
+    schedule_config: Mapped[dict[str, Any]] = mapped_column(JSON)
+    timezone: Mapped[str] = mapped_column(String(64))
+    next_run_at: Mapped[datetime | None] = mapped_column(
+        DateTime,
+        nullable=True,
+        index=True,
+    )
+    status: Mapped[str] = mapped_column(
+        String(32),
+        default=PushSubscriptionStatus.ACTIVE,
+        index=True,
+    )
+    consented_at: Mapped[datetime] = mapped_column(DateTime, default=utc_now)
+    last_run_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
+    locked_by: Mapped[str | None] = mapped_column(String(128), nullable=True, index=True)
+    locked_until: Mapped[datetime | None] = mapped_column(
+        DateTime,
+        nullable=True,
+        index=True,
+    )
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=utc_now, index=True)
+    updated_at: Mapped[datetime] = mapped_column(
+        DateTime,
+        default=utc_now,
+        onupdate=utc_now,
+    )
+
+    deliveries: Mapped[list["PushDelivery"]] = relationship(
+        back_populates="subscription",
+        cascade="all, delete-orphan",
+        passive_deletes=True,
+    )
+
+
+class PushDelivery(Base):
+    __tablename__ = "push_deliveries"
+    __table_args__ = (
+        UniqueConstraint(
+            "subscription_id",
+            "scheduled_for",
+            name="uq_push_delivery_subscription_schedule",
+        ),
+    )
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
+    code: Mapped[str] = mapped_column(String(64), unique=True, index=True)
+    subscription_id: Mapped[int] = mapped_column(
+        ForeignKey("push_subscriptions.id", ondelete="CASCADE"),
+        index=True,
+    )
+    scheduled_for: Mapped[datetime] = mapped_column(DateTime, index=True)
+    idempotency_key: Mapped[str] = mapped_column(String(64), unique=True, index=True)
+    message_uuid: Mapped[str] = mapped_column(String(36), unique=True, index=True)
+    status: Mapped[str] = mapped_column(
+        String(32),
+        default=PushDeliveryStatus.PENDING,
+        index=True,
+    )
+    attempt_count: Mapped[int] = mapped_column(Integer, default=0)
+    next_attempt_at: Mapped[datetime | None] = mapped_column(
+        DateTime,
+        nullable=True,
+        index=True,
+    )
+    rendered_content: Mapped[str | None] = mapped_column(Text, nullable=True)
+    provider_message_id: Mapped[str | None] = mapped_column(
+        String(256),
+        nullable=True,
+        index=True,
+    )
+    last_error: Mapped[str | None] = mapped_column(Text, nullable=True)
+    locked_by: Mapped[str | None] = mapped_column(String(128), nullable=True, index=True)
+    locked_until: Mapped[datetime | None] = mapped_column(
+        DateTime,
+        nullable=True,
+        index=True,
+    )
+    sent_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True, index=True)
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=utc_now, index=True)
+    updated_at: Mapped[datetime] = mapped_column(
+        DateTime,
+        default=utc_now,
+        onupdate=utc_now,
+    )
+
+    subscription: Mapped[PushSubscription] = relationship(back_populates="deliveries")
+