council(draft): FrontendDev - plan.md: ghost spec research Round 1
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# Plan — 调试 "Undefined array key 'id'" PHP 错误
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# Plan — 调研「场馆删除后编辑商品出现规格重复错误」问题
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> 版本:v1.2 | 日期:2026-04-20 | Agent:council/BackendArchitect + council/DebugAgent(并行协作)
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> 关联提交:bbea35d83(feat: 保存时自动填充 template_snapshot)
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> 版本:v1.1 | 日期:2026-04-20 | Agent:council/FrontendDev
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> 关联:Round 1 规划轮
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---
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## 任务概述
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调试 ShopXO 后台编辑票务商品(goods_id=118)保存时报错:
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```
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Undefined array key "id"
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```
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根因代码位于 `bbea35d83` 新增的 `AdminGoodsSaveHandle.php` save_thing_end 时机。
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调研当票务商品关联的场馆模板被硬删除后,编辑商品时出现「规格不允许重复」错误的根因。专注前端(ticket_detail.html)规格项构建与 fallback 行为。
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---
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## 任务清单
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## FrontendDev 任务清单
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- [x] [Done: council/BackendArchitect] **Task 1**: 根因定位 — 逐行分析所有 "id" 访问位置
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- [x] [Done: council/BackendArchitect] **Task 2**: Db::name() 表前缀问题 — ShopXO 插件表前缀行为确认
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- [x] [Done: council/BackendArchitect] **Task 3**: 根因 1 — `$r['id']` 空安全(AdminGoodsSaveHandle 第 77 行)
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- [x] [Done: council/BackendArchitect] **Task 4**: 根因 2 — `find()` 返回 null 的空安全(AdminGoodsSaveHandle 第 71 行)
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- [x] [Done: council/BackendArchitect] **Task 5**: 根因 3 — `$config['template_id']` / `selected_rooms` 数据类型问题
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- [x] [Done: council/BackendArchitect] **Task 6**: SeatSkuService::BatchGenerate 类似问题审计
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- [x] [Done: council/BackendArchitect] **Task 7**: 修复方案汇总 + 建议修复优先级
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- [x] [Done: council/BackendArchitect] **Task 8**: 将修复方案写入 `reviews/BackendArchitect-on-Issue-13-debug.md`
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- [x] [Done: council/DebugAgent] **Task 9**: Round 1 静态分析 → `reviews/DebugAgent-PRELIMINARY.md`
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- [x] [Done: council/DebugAgent] **Task 10**: Round 2 — 验证 database.php 前缀配置 + 读取 Admin.php 第 66 行
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- [x] [Done: council/DebugAgent] **Task 11**: Round 2 — 编写 DebugAgent 最终根因报告 → `reviews/DebugAgent-ROOT_CAUSE.md`
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- [x] [Done: council/BackendArchitect] **Task 12**: Round 2 — 评审 DebugAgent ROOT_CAUSE 报告 → `reviews/BackendArchitect-on-DebugAgent-ROOT_CAUSE.md`
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- [x] [Done: council/SecurityEngineer] **Task 13**: Round 2 — 独立安全审计(6项子任务)→ `reviews/SecurityEngineer-AUDIT.md`
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- Q1: "Undefined array key 'id'" 最可能出现的行 → Primary: Line 77
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- Q2: Db::name() 表前缀行为 → 等价,排除
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- Q3: find() 返回 null 处理 → Secondary: Line 71
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- Q4: $configs JSON 解码类型安全 → 部分安全
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- Q5: selected_rooms 数据结构 → 类型正确但无空安全
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- Q6: BatchGenerate + item_type → 安全
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- [ ] **Task 1**: 读取 `ticket_detail.html`,分析前端构建规格项的过程
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- [ ] **Task 2**: 当模板不存在时,前端如何处理 `template_snapshot` 和 `spec_base_id_map`?
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- [ ] **Task 3**: `loadSoldSeats()` 函数实际实现了吗?soldSeats 数据如何填充?
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- [ ] **Task 4**: 编辑模式下(已有 vr_goods_config),前端是否正确处理已删除场馆的旧规格?
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- [ ] **Task 5**: 给出前端根因分析(含具体文件路径和行号)
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- [ ] **Task 6**: 给出修复方案
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- [ ] **Task 7**: 将调研报告写入 `reviews/council-ghost-spec-FrontendDev.md`
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---
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@ -46,53 +27,25 @@ Undefined array key "id"
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| 阶段 | 内容 |
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|------|------|
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| **Draft** | ✅ Task 1-6(BackendArchitect)+ Task 9(DebugAgent)+ Task 13(SecurityEngineer)|
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| **Review** | ✅ Task 7(BackendArchitect)+ Task 11(DebugAgent)+ Task 12(BackendArchitect)|
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| **Finalize** | ✅ Task 8 + Task 12 + Task 13:所有评审报告输出完毕 |
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| **Draft** | Task 1-6(FrontendDev 独立调研前端侧)|
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| **Review** | Task 7(提交调研报告)|
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| **Finalize** | 等待 BackendArchitect 和 SecurityEngineer 报告,汇总至 `reviews/council-ghost-spec-summary.md` |
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---
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## 根因结论(已验证)
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1. **Primary(99%)**: `AdminGoodsSaveHandle.php:77` — `$r['id']` 无空安全,rooms 中缺少 id key 时崩溃
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2. **Secondary(5%)**: `AdminGoodsSaveHandle.php:71` — `find()` 返回 null 后直接访问 `$template['seat_map']`
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3. **Tertiary(静默)**: `AdminGoodsSaveHandle.php:77` — `selected_rooms` 类型不匹配,`in_array` 永远 false
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4. **已排除**: 表前缀问题 — `Db::name()` 和 `BaseService::table()` 均查询 `vrt_vr_seat_templates`,等价
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5. **已排除**: SeatSkuService::BatchGenerate — 第 100 行已有 `!empty()` 空安全 fallback
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6. **SecurityEngineer 补充**: PHP 8+ 中 `null['key']` 抛出 `TypeError`(非 Warning);`$configs` JSON 解码有 `is_array` 防御;`item_type` 有 `?? ''` 兜底;修复建议已在 `reviews/SecurityEngineer-AUDIT.md`
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## DebugAgent 补充结论(Round 1)
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6. **PHP 8+ `??` 行为**:`$template['seat_map'] ?? '{}'` 对空数组 `[]` 的键访问**无效**,需用 `isset()`
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7. **vr_goods_config JSON 解码**:有 `is_array()` 防御,访问 `$config['template_id']` 安全
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---
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## 执行顺序(DebugAgent Round 2)
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```
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Task 10: 读 shopxo/config/database.php → 确认 prefix 值;读 Admin.php 第 66 行
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Task 11: 综合输出 reports/DebugAgent-ROOT_CAUSE.md
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```
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---
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## 关键文件(只读)
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## 关键文件(必须检查)
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| 文件 | 关注点 |
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|------|--------|
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| `shopxo/app/plugins/vr_ticket/hook/AdminGoodsSaveHandle.php` | save_thing_end 逻辑,template_snapshot 填充代码 |
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| `shopxo/app/plugins/vr_ticket/service/SeatSkuService.php` | BatchGenerate、ensureAndFillVrSpecTypes |
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| `shopxo/app/plugins/vr_ticket/service/BaseService.php` | table() 前缀方法 |
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| `shopxo/config/database.php` | ShopXO 数据库表前缀配置(Task 10 需读) |
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| `docs/VR_GOODS_CONFIG_SPEC.md` | vr_goods_config v3.0 JSON 格式 |
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| `docs/PHASE2_PLAN.md` | 项目背景 |
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| `shopxo/app/plugins/vr_ticket/view/goods/ticket_detail.html` | 前端规格项构建、template_snapshot fallback |
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| `shopxo/app/plugins/vr_ticket/service/SeatSkuService.php` | GetGoodsViewData,模板不存在时的 fallback |
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| `shopxo/app/plugins/vr_ticket/hook/AdminGoodsSaveHandle.php` | 商品保存钩子,vr_goods_config 处理 |
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| `shopxo/app/plugins/vr_ticket/admin/Admin.php` | VenueDelete 硬删除逻辑 |
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| `shopxo/app/admin/hook/AdminGoodsSave.php` | ShopXO 商品保存钩子入口 |
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---
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## 修复记录
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## 依赖
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- [x] **Fix Commit**: `804d465d0` — P1+P2 空安全修复已合并到 main
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- `AdminGoodsSaveHandle.php:71-73`:新增 `if (empty($template)) { continue; }`
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- `AdminGoodsSaveHandle.php:80`:`$r['id']` 前加 `isset()` 空安全
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- 合并到 main:`49930844f`
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- BackendArchitect:后端规格去重逻辑分析
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- SecurityEngineer:安全风险评估
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