feat: 2026-04-15~05-02 累积变更基线 — AI 重构 + Runtime Context + DWS 修复

涵盖（每条对应已存的审计记录）：
- AI 模块拆分：apps/backend/app/ai/apps -> prompts/（8 个 APP + app2a 派生）
  audit: 2026-04-20__ai-module-complete.md
- admin-web AI 管理套件：AIDashboard / AIOperations / AIRunLogs / AITriggers / TriggerManager
  audit: 2026-04-21__admin-web-ai-management-suite.md
- App2 财务洞察 prompt v3 -> v5.1 + 小程序 AI 接入（chat / board-finance）
  audit: 2026-04-22__app2_prompt_v5_1_and_miniprogram_ai_insight.md
- App2 prewarm 全过滤器 + AI 触发器 cron reschedule
  audit: 2026-04-21__app2-finance-prewarm-all-filters.md
  migration: 20260420_ai_trigger_jobs_and_app2_prewarm.sql / 20260421_app2_prewarm_cron_reschedule.sql
- AppType 联合类型对齐 + adminAiAppTypes.test.ts
  audit: 2026-04-30__admin_web_ai_app_type_alignment.md
- DashScope tokens_used 提取修复
  audit: 2026-04-30__backend_dashscope_tokens_used_extraction.md
- App3 线索完整详情 prompt
  audit: 2026-05-01__backend_app3_full_detail_prompt.md
- Runtime Context 沙箱（5-1~5-2 主线）：
  - 后端 schema/service + admin_runtime_context / xcx_runtime_clock 两个 router
  - admin-web RuntimeContext.tsx + miniprogram runtime-clock.ts
  - migration: 20260501__runtime_context_sandbox.sql
  - tools/db/verify_admin_web_sandbox.py + verify_sandbox_end_to_end.py
  - database/changes: 7 份 sandbox_* 验证报告
- 飞球 DWS 修复：finance_area_daily 区域汇总 + task_engine 调整
  + RLS 视图业务日上界（migration 20260502 + scripts/ops/gen_rls_business_date_migration.py）

合规：
- .gitignore 启用 tmp/ 排除
- 不入仓：apps/etl/connectors/feiqiu/.env（API_TOKEN secret，本地修改保留）

待验证清单：
- docs/audit/changes/2026-05-04__cumulative_baseline_pending_verification.md
  每个主题的功能完整性 / 上线验证几乎都未收口，按优先级 P0~P3 逐一处理

apps/backend/app/routers/internal_events.py

@@ -85,6 +85,33 @@ async def etl_completed_endpoint(
         logger.exception("ETL 编排 Step2 task_generator 失败")
         errors.append("task_generator failed")
 
+    # Step 3: 触发 AI 财务洞察预生成（App2 × 8 时间维度）
+    # 若请求未带 site_id，查询所有 active site 逐个触发
+    try:
+        from app.services.trigger_scheduler import fire_event
+
+        site_ids: list[int] = []
+        if body.site_id is not None:
+            site_ids = [body.site_id]
+        else:
+            from app.database import get_connection as _gc
+            _c = _gc()
+            try:
+                with _c.cursor() as _cur:
+                    _cur.execute("SELECT DISTINCT site_id FROM biz.trigger_jobs WHERE site_id IS NOT NULL")
+                    site_ids = [r[0] for r in _cur.fetchall()]
+                _c.commit()
+            finally:
+                _c.close()
+
+        for sid in site_ids:
+            try:
+                fire_event("ai_dws_completed", {"site_id": sid})
+            except Exception:
+                logger.exception("触发 ai_dws_completed 失败: site_id=%s", sid)
+    except Exception:
+        logger.exception("ai_dws_completed 事件批量触发失败")
+
     success = len(errors) == 0
     return EtlCompletedResponse(
         success=success,