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

scripts/test_app2_new_system_prompt.py

@@ -0,0 +1,66 @@
+"""用 dispatcher.run_single_app 等效 API 路径跑 this_month/all，验证百炼侧新 system prompt 的输出效果。"""
+from __future__ import annotations
+
+import asyncio
+import json
+import os
+import sys
+import time
+
+sys.path.insert(0, 'apps/backend')
+from dotenv import load_dotenv
+load_dotenv(dotenv_path=os.path.join(os.getcwd(), '.env'))
+
+from app.ai.budget_tracker import BudgetTracker
+from app.ai.cache_service import AICacheService
+from app.ai.circuit_breaker import CircuitBreaker
+from app.ai.config import AIConfig
+from app.ai.conversation_service import ConversationService
+from app.ai.dashscope_client import DashScopeClient
+from app.ai.dispatcher import AIDispatcher
+from app.ai.rate_limiter import RateLimiter
+from app.ai.run_log_service import AIRunLogService
+from app.database import get_connection
+
+
+async def main() -> None:
+    cfg = AIConfig.from_env()
+    run_log = AIRunLogService(get_conn=get_connection)
+    dispatcher = AIDispatcher(
+        client=DashScopeClient(api_key=cfg.api_key, workspace_id=cfg.workspace_id),
+        cache_svc=AICacheService(),
+        conv_svc=ConversationService(),
+        circuit_breaker=CircuitBreaker(),
+        rate_limiter=RateLimiter(),
+        budget_tracker=BudgetTracker(usage_provider=run_log),
+        run_log_svc=run_log,
+        config=cfg,
+    )
+
+    t0 = time.monotonic()
+    result = await dispatcher.run_single_app(
+        app_type='app2_finance',
+        context={
+            'site_id': 2790685415443269,
+            'time_dimension': 'this_month',
+            'area': 'all',
+        },
+        triggered_by='admin_test_new_system_prompt',
+    )
+    dt = time.monotonic() - t0
+    if result is None:
+        print(f'FAILED after {dt:.1f}s')
+        return
+
+    insights = result.get('insights') or []
+    print(f'done in {dt:.1f}s, insights={len(insights)} 条\n')
+    for ins in insights:
+        seq = ins.get('seq')
+        title = ins.get('title')
+        content = (ins.get('content') or '')
+        print(f'[{seq}] {title}')
+        print(f'    {content}\n')
+
+
+if __name__ == '__main__':
+    asyncio.run(main())