feat: 2026-04-15~04-20 累积变更基线 — 多主线合流

主线 1: rns1-customer-coach-api + 04-miniapp-core-business 后端实施
  - 新增 GET /xcx/coaches/{id}/banner 轻量接口
  - performance/records 加 coach_id 参数 + view_board_coach 权限分流
  - coach/customer/performance/board/task 服务层重构
  - fdw_queries 结算单粒度聚合 + consumption_summary 视图统一
  - task_generator 回访宽限 72h + UPSERT 替代策略 + Step 5 保底清理
  - recall_detector settle_type=3 双重限制 + 门店级 resolved

主线 2: 小程序权限分流 + 新增 coach-service-records 管理者视角业绩明细页
  - perf-progress 共享模块去重 task-list/coach-detail 动画逻辑
  - isScattered 散客标记端到端
  - foodDetail/phoneFull/creator* 字段透传

主线 3: P19 指数回测框架 Phase 1+2
  - 3 个指数表 stat_date 日快照模式
  - 新增 DWS_INDEX_BACKFILL / DWS_TASK_SIMULATION 工具任务
  - task_engine 升级 HTTP 实时 + 推演回测双模式

主线 4: Core 维度层启用
  - 新增 CORE_DIM_SYNC 任务（DWD → core 4 维度表）
  - 修复 app 视图空查询问题

主线 5: member_project_tag 改为 LAST_30_VISITS 消费次数窗口

主线 6: 2 个迁移 SQL 已执行（stat_date + member_project_tag 新窗口）
  - schema 基线与 DDL 快照同步

主线 7: 开发机路径迁移 C:\NeoZQYY → C:\Project\NeoZQYY（约 95% 改动量）

附带: 新建运维脚本（churned_customer_report / simulate_historical_tasks /
      backfill_index_snapshots）+ tools/task-analysis/ 任务分析工具

合计 157 文件。未包含中间产物（tmp/ .playwright-mcp/ inspect-* excel/sheet 分析 txt）。
审计记录见下一个 commit。

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

db/etl_feiqiu/schemas/app.sql

@@ -1,6 +1,6 @@
 -- =============================================================================
 -- etl_feiqiu / app（RLS 视图层）
--- 生成日期：2026-04-06
+-- 生成日期：2026-04-12
 -- 来源：测试库（通过脚本自动导出）
 -- =============================================================================
 
@@ -439,10 +439,8 @@ SELECT table_fee_log_id,
   WHERE (site_id = (current_setting('app.current_site_id'::text))::bigint);
 ;
 
--- CHANGE 2026-04-08 | DISTINCT ON 只取每对 (assistant, member) 最新快照
 CREATE OR REPLACE VIEW app.v_dws_assistant_customer_stats AS
-SELECT DISTINCT ON (assistant_id, member_id)
-    id,
+SELECT DISTINCT ON (assistant_id, member_id) id,
     site_id,
     tenant_id,
     assistant_id,
@@ -946,7 +944,7 @@ SELECT intimacy_id,
 ;
 
 CREATE OR REPLACE VIEW app.v_dws_member_assistant_relation_index AS
-SELECT relation_id,
+SELECT DISTINCT ON (member_id, assistant_id) relation_id,
     site_id,
     tenant_id,
     member_id,
@@ -974,15 +972,21 @@ SELECT relation_id,
     ml_display,
     calc_time,
     created_at,
-    updated_at
+    updated_at,
+    recall_created_total,
+    recall_completed_total,
+    follow_up_created_total,
+    follow_up_completed_total,
+    total_created,
+    total_completed,
+    stat_date
    FROM dws.dws_member_assistant_relation_index
-  WHERE (site_id = (current_setting('app.current_site_id'::text))::bigint);
+  WHERE (site_id = (current_setting('app.current_site_id'::text))::bigint)
+  ORDER BY member_id, assistant_id, stat_date DESC;
 ;
 
--- CHANGE 2026-04-08 | DISTINCT ON 只取每个会员最新快照，避免多 stat_date 行膨胀
 CREATE OR REPLACE VIEW app.v_dws_member_consumption_summary AS
-SELECT DISTINCT ON (member_id)
-    id,
+SELECT DISTINCT ON (member_id) id,
     site_id,
     tenant_id,
     member_id,
@@ -1034,7 +1038,7 @@ SELECT DISTINCT ON (member_id)
 ;
 
 CREATE OR REPLACE VIEW app.v_dws_member_newconv_index AS
-SELECT newconv_id,
+SELECT DISTINCT ON (member_id) newconv_id,
     site_id,
     tenant_id,
     member_id,
@@ -1071,9 +1075,11 @@ SELECT newconv_id,
     calc_time,
     calc_version,
     created_at,
-    updated_at
+    updated_at,
+    stat_date
    FROM dws.dws_member_newconv_index
-  WHERE (site_id = (current_setting('app.current_site_id'::text))::bigint);
+  WHERE (site_id = (current_setting('app.current_site_id'::text))::bigint)
+  ORDER BY member_id, stat_date DESC;
 ;
 
 CREATE OR REPLACE VIEW app.v_dws_member_project_tag AS
@@ -1160,7 +1166,7 @@ SELECT id,
 ;
 
 CREATE OR REPLACE VIEW app.v_dws_member_winback_index AS
-SELECT winback_id,
+SELECT DISTINCT ON (member_id) winback_id,
     site_id,
     tenant_id,
     member_id,
@@ -1195,9 +1201,11 @@ SELECT winback_id,
     updated_at,
     overdue_cdf_p,
     ideal_interval_days,
-    ideal_next_visit_date
+    ideal_next_visit_date,
+    stat_date
    FROM dws.dws_member_winback_index
-  WHERE (site_id = (current_setting('app.current_site_id'::text))::bigint);
+  WHERE (site_id = (current_setting('app.current_site_id'::text))::bigint)
+  ORDER BY member_id, stat_date DESC;
 ;
 
 CREATE OR REPLACE VIEW app.v_dws_order_summary AS