{
  "schema_version": "2.0",
  "id": "B-1",
  "name": "单词基础 · 专题列表",
  "module": "默写单-专题默写单",
  "purpose": "仅展示首页入口对应的单词基础或语法进阶专题，点击直接进入样式；不提供分组切换、搜索或挑词。",
  "ui_family": "collection",
  "entry": {
    "from": [
      "B对应分组更多",
      "B-4专题来源返回"
    ],
    "preconditions": [
      "入口携带basic/advanced，返回保持原分组"
    ],
    "rule_status": "confirmed"
  },
  "ui_elements": [
    {
      "id": "B-1.ui.0",
      "label": "对应分组页标题",
      "description": "对应分组页标题",
      "rule_status": "confirmed"
    },
    {
      "id": "B-1.ui.1",
      "label": "专题卡：标题、简介、词数与已导出标记",
      "description": "专题卡：标题、简介、词数与已导出标记",
      "rule_status": "confirmed"
    },
    {
      "id": "B-1.ui.2",
      "label": "整份内容直接进入样式",
      "description": "整份内容直接进入样式",
      "rule_status": "confirmed"
    },
    {
      "id": "B-1.ui.3",
      "label": "加载中／暂无内容／失败重试",
      "description": "加载中／暂无内容／失败重试",
      "rule_status": "confirmed"
    }
  ],
  "interactions": [
    {
      "id": "TOPIC-ITEM",
      "trigger": "点击专题卡",
      "condition": "该专题内容可用",
      "effect": "带整份专题内容与默认顺序进入B-4，不需要挑词",
      "destination": "B-4",
      "payload": [
        "topicId",
        "group",
        "returnPage=B-1",
        "完整专题词表"
      ],
      "rule_status": "confirmed",
      "source": "用户2026-10-12最新修订",
      "prototype_behavior": "使用具名专题示例，全部词条选中；真实教研内容未提供"
    },
    {
      "id": "TOPIC-RETRY",
      "trigger": "目录失败／暂无内容时重新加载",
      "condition": "可重新请求",
      "effect": "保持入口分组重新加载",
      "destination": "B-1",
      "rule_status": "proposed",
      "prototype_behavior": "演示恢复本地列表，不执行真实请求"
    },
    {
      "id": "TOPIC-BACK",
      "trigger": "点击返回",
      "condition": "从首页对应更多进入",
      "effect": "回首页，保留首页位置",
      "destination": "B",
      "rule_status": "confirmed"
    }
  ],
  "back_behavior": {
    "destination": "B",
    "preserve": "同一上下文保持词表、选择、顺序、配置和滚动；切换来源隔离草稿",
    "rule_status": "proposed"
  },
  "data_source": [
    {
      "name": "原UE及UI首页入口",
      "data": [
        "专题分组、页面职责、返回路径"
      ],
      "contract_status": "source_reference"
    },
    {
      "name": "教研专题目录 / 词典服务 / 用户词表保存",
      "data": [
        "正式专题名和词数",
        "英文词条",
        "音标",
        "释义候选",
        "用户修改内容",
        "保存时间",
        "原配置"
      ],
      "contract_status": "pending"
    }
  ],
  "data_model": [
    {
      "id": "sourceContext",
      "type": "object",
      "description": "source、topicId、wordListId、returnPage、补词回填上下文；具体字段是建议",
      "rule_status": "proposed",
      "contract_status": "pending"
    },
    {
      "id": "wordItems",
      "type": "array",
      "description": "稳定ID、英文、释义、音标、人工修改、有效性及选择状态",
      "rule_status": "proposed",
      "contract_status": "pending"
    }
  ],
  "states": [
    {
      "id": "basic",
      "description": "单词基础列表",
      "rule_status": "proposed"
    },
    {
      "id": "advanced",
      "description": "语法进阶列表",
      "rule_status": "proposed"
    },
    {
      "id": "loading",
      "description": "加载中",
      "rule_status": "proposed"
    },
    {
      "id": "empty",
      "description": "暂无专题",
      "rule_status": "proposed"
    },
    {
      "id": "error",
      "description": "加载失败",
      "rule_status": "proposed"
    }
  ],
  "prototype_states": [
    {
      "id": "basic",
      "label": "单词基础列表",
      "scope": "prototype_only"
    },
    {
      "id": "advanced",
      "label": "语法进阶列表",
      "scope": "prototype_only"
    },
    {
      "id": "loading",
      "label": "加载中",
      "scope": "prototype_only"
    },
    {
      "id": "empty",
      "label": "暂无专题",
      "scope": "prototype_only"
    },
    {
      "id": "error",
      "label": "加载失败",
      "scope": "prototype_only"
    }
  ],
  "acceptance_criteria": [
    {
      "given": "首页对应板块更多入口",
      "when": "打开列表",
      "then": "只出现对应分组专题，不出现分组滑块或搜索",
      "rule_status": "confirmed"
    },
    {
      "given": "点击专题",
      "when": "进入出题样式并返回",
      "then": "全部专题词条带入；返回原分组列表，预览下载沿用教材流程",
      "rule_status": "confirmed"
    }
  ],
  "pending_from_source": [
    {
      "question": "原26基础＋20进阶的完整教研目录与正式词表待提供；本包具名示例14项",
      "rule_status": "pending"
    },
    {
      "question": "是否按年级过滤、是否会员专享、首页推荐策略尚未确认；本轮不新增门槛",
      "rule_status": "pending"
    },
    {
      "question": "已导出标记用本机还是跨设备记录待确认；原型仅本地成功导出更新",
      "rule_status": "pending"
    }
  ],
  "additional_unspecified": [
    "正式46套专题目录与词表由教研补齐；本地具名14项是设计示例"
  ],
  "implementation_constraints": [
    "产品屏幕不包含页面编号、状态切换、手机壳与规格说明栏",
    "专题／自建／教材复用B-4/B-4-preview/B-5；来源隔离，返回按入口恢复",
    "文件格式与计次沿用01确认，二维码与小程序26留空"
  ],
  "prototype_limitations": [
    "仅设计预览，无真实云保存、音频、文件生成或系统分享",
    "专题仅展示原UE具名的14项示例；卡片词数与当前示例词表一致，正式教研词数以服务提供内容为准；教研原规划26基础＋20进阶未提供全量标题与正式词表，不能当作46份内容已交付",
    "词表和身体图为本地示意，需要正式词图匹配与音源；图片绘制为原创SVG示例，未取外部版权图片"
  ],
  "sources": [
    "英语默写代码/xzx-pages/pages/B-1.html",
    "UI示意首页",
    "当前用户确认"
  ],
  "user_confirmed_rules": [
    {
      "id": "GROWTH-WORD",
      "description": "积累单词统计成功导出的练习卷、已提交听写／客观练习、有效朗读涉及的词库单词，跨课本去重；答案卷不计，短语句子不拆词；表示接触，不表示掌握。",
      "rule_status": "confirmed",
      "source": "用户2026-10-13回复"
    },
    {
      "id": "GROWTH-CORRECT",
      "description": "同一稳定错题首次改对计一次；同轮末尾再练答对也计入；首答正确率保持原成绩。反复错后再对不重复累计。",
      "rule_status": "confirmed",
      "source": "用户2026-10-13回复"
    },
    {
      "id": "KEEP",
      "description": "三类记录与错题长期保留，不按会员截断，支持主动删除；自建词表历史独立保留。",
      "rule_status": "confirmed",
      "source": "用户2026-10-13回复"
    },
    {
      "id": "PRICE",
      "description": "年卡68元、终身98元；手动续费，无自动续费。价格由正式商品配置校验。",
      "rule_status": "confirmed",
      "source": "用户2026-10-13回复"
    },
    {
      "id": "PLATFORM",
      "description": "中国区iOS使用系统内购，国内安卓使用微信或支付宝；恢复权益、延迟到账与取消／失败都有独立状态。",
      "rule_status": "confirmed",
      "source": "用户2026-10-13回复"
    },
    {
      "id": "QUOTA",
      "description": "每账号免费累计3个成功导出文件、累计5轮听写／读单词／课文跟读批改评测，共用总额度，不按天恢复。失败不扣，同轮重试重读不重复扣。",
      "rule_status": "confirmed",
      "source": "用户2026-10-13回复"
    },
    {
      "id": "BENEFIT",
      "description": "客观练习不限次；免费开放6个专题、答案卷带水印；会员不限次数，手写／纸笔批改需会员。到期不重置已用免费总额度。",
      "rule_status": "confirmed",
      "source": "用户2026-10-13回复"
    },
    {
      "id": "WRONG",
      "description": "错题本仅做管理、来源／类型筛选、详情、移除及按原来源再练。听写与五种客观题收录，朗读低分独立。AI排期留25。",
      "rule_status": "confirmed",
      "source": "用户2026-10-13回复"
    },
    {
      "id": "INVITE",
      "description": "新用户经邀请完成注册即奖励邀请人7天会员，每月最多3次；年卡／赠送时长顺延，终身只记邀请不叠加时长；老用户重复邀请不奖励。",
      "rule_status": "confirmed",
      "source": "用户2026-10-13回复"
    },
    {
      "id": "CANCEL",
      "description": "验证身份并二次确认后立即注销；退出登录保留账号资产；退款按真实渠道与正式条款处理。",
      "rule_status": "confirmed",
      "source": "用户2026-10-13回复"
    },
    {
      "id": "HELP",
      "description": "先做帮助文章与邮箱联系版式；客服邮箱尚未确定；不编造可用邮箱。",
      "rule_status": "confirmed",
      "source": "用户2026-10-13回复"
    }
  ],
  "module_base": "专题默写单",
  "tabs": [
    "默写单"
  ],
  "product": "英语默写AI版",
  "handoff_version": "0.12.3",
  "page_id": "B-1",
  "date": "2026-10-13",
  "references": {
    "interface": "B-1.interface.md",
    "prototype": "B-1.prototype.html",
    "design": "UI-DESIGN.md"
  },
  "source_of_truth": {
    "visual": "B-1.prototype.html 屏幕内产品 UI",
    "behavior": "原 UE 明确要求及当前用户已确认规则；proposed 与 pending 不构成已确认业务契约",
    "viewer_chrome": "手机外壳、项目导航、演示选择器、说明与页面编号属于预览宿主"
  }
}