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/xcx_tasks.py

@@ -80,6 +80,11 @@ class TaskItem(CamelModel):
     last_visit_days: int | None = None
     balance: float | None = None
     ai_suggestion: str | None = None
+    expected_days: int | None = None
+    ideal_interval_days: int | None = None
+    # CHANGE 2026-03-27 | 近60天服务汇总（口径同 task-detail serviceSummary）
+    recent60d_hours: float = 0.0
+    recent60d_income: float = 0.0
 
 
 class TaskListResponse(CamelModel):
@@ -150,6 +155,7 @@ class TaskDetailResponse(CamelModel):
     # 基础信息
     id: int
     customer_name: str
+    customer_phone: str | None = None
     customer_avatar: str
     task_type: str
     task_type_label: str
@@ -160,6 +166,7 @@ class TaskDetailResponse(CamelModel):
     has_note: bool
     status: str
     customer_id: int
+    balance: float | None = None
     # 扩展模块
     retention_clues: list[RetentionClue]
     talking_points: list[str]