feat: 累积功能变更 — 聊天集成、租户管理、小程序更新、ETL 增强、迁移脚本

包含多个会话的累积代码变更：
- backend: AI 聊天服务、触发器调度、认证增强、WebSocket、调度器最小间隔
- admin-web: ETL 状态页、任务管理、调度配置、登录优化
- miniprogram: 看板页面、聊天集成、UI 组件、导航更新
- etl: DWS 新任务（finance_area_daily/board_cache）、连接器增强
- tenant-admin: 项目初始化
- db: 19 个迁移脚本（etl_feiqiu 11 + zqyy_app 8）
- packages/shared: 枚举和工具函数更新
- tools: 数据库工具、报表生成、健康检查
- docs: PRD/架构/部署/合约文档更新

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

apps/backend/app/schemas/schedules.py

@@ -25,6 +25,13 @@ class ScheduleConfigSchema(BaseModel):
     end_date: str | None = None
 
 
+class MinRunIntervalItem(BaseModel):
+    """单个任务的最小执行间隔"""
+
+    value: int = 0
+    unit: Literal["minutes", "hours", "days"] = "minutes"
+
+
 class CreateScheduleRequest(BaseModel):
     """创建调度任务请求"""
 
@@ -33,6 +40,9 @@ class CreateScheduleRequest(BaseModel):
     task_config: dict[str, Any]
     schedule_config: ScheduleConfigSchema
     run_immediately: bool = False
+    min_run_interval_value: int = 0  # 0 表示无限制（schedule 级别默认）
+    min_run_interval_unit: Literal["minutes", "hours", "days"] = "minutes"
+    min_run_intervals: dict[str, MinRunIntervalItem] = {}  # per-task-code 间隔
 
 
 class UpdateScheduleRequest(BaseModel):
@@ -42,6 +52,9 @@ class UpdateScheduleRequest(BaseModel):
     task_codes: list[str] | None = None
     task_config: dict[str, Any] | None = None
     schedule_config: ScheduleConfigSchema | None = None
+    min_run_interval_value: int | None = None
+    min_run_interval_unit: Literal["minutes", "hours", "days"] | None = None
+    min_run_intervals: dict[str, MinRunIntervalItem] | None = None
 
 
 class ScheduleResponse(BaseModel):
@@ -58,5 +71,9 @@ class ScheduleResponse(BaseModel):
     next_run_at: datetime | None = None
     run_count: int
     last_status: str | None = None
+    min_run_interval_value: int = 0
+    min_run_interval_unit: str = "minutes"
+    last_success_at: datetime | None = None
+    min_run_intervals: dict[str, Any] = {}
     created_at: datetime
     updated_at: datetime