commit bae47a241171758ae1d73d8733886a3fab072114
Author: congsh <noreply@example.com>
Date:   Fri Jun 12 16:04:03 2026 +0800

    feat: 修复代码审核报告问题

diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..d149df8
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,15 @@
+__pycache__/
+*.pyc
+*.pyo
+*.pyd
+.Python
+.env
+.env.local
+.venv/
+venv/
+*.egg-info/
+.pytest_cache/
+.mypy_cache/
+data/
+*.db
+.DS_Store
diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..9a401e4
--- /dev/null
+++ b/.env.example
@@ -0,0 +1,42 @@
+# RSSKeeper 连接地址
+RSSKEEPER_BASE_URL=http://localhost:7329
+
+# LLM API（兼容 OpenAI 格式）
+OPENAI_API_KEY=sk-xxx
+OPENAI_BASE_URL=https://api.openai.com/v1
+OPENAI_MODEL=gpt-4o-mini
+OPENAI_TIMEOUT=60
+OPENAI_MAX_RETRIES=3
+
+# dataClean 数据目录
+DATA_DIR=/app/data
+DATABASE_URL=/app/data/dataclean.db
+
+# 简报输出目录
+BRIEF_OUTPUT_DIR=/app/data/briefs
+
+# 调度时间（分钟）
+SUMMARIZE_INTERVAL_MINUTES=60
+TAG_SCORE_INTERVAL_MINUTES=1440
+DAILY_BRIEF_HOUR=8
+DAILY_BRIEF_MINUTE=0
+
+# 去重阈值
+TITLE_SIMILARITY_THRESHOLD=0.85
+CONTENT_SIMILARITY_THRESHOLD=0.80
+
+# 摘要长度
+MAX_AI_SUMMARY_LENGTH=300
+MIN_ORIGINAL_SUMMARY_LENGTH=100
+
+# 每篇简报每个分类显示文章数
+BRIEF_TOP_N_PER_CATEGORY=10
+
+# 日志级别
+LOG_LEVEL=INFO
+
+# Web UI / API 安全（生产环境务必设置）
+# 为空时不启用 API Token 鉴权，仅建议在内网使用
+API_TOKEN=
+# CORS 允许来源，逗号分隔；生产环境请填写具体域名
+CORS_ALLOWED_ORIGINS=
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b8dddb1
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,53 @@
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# 虚拟环境
+.venv/
+venv/
+ENV/
+env/
+
+# 环境配置
+.env
+.env.local
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+
+# 测试与缓存
+.pytest_cache/
+.mypy_cache/
+.ruff_cache/
+
+# 前端
+frontend/node_modules/
+frontend/dist/
+
+# 数据目录
+data/
+*.db
+
+# 系统文件
+.DS_Store
diff --git a/CODE_REVIEW.md b/CODE_REVIEW.md
new file mode 100644
index 0000000..f704445
--- /dev/null
+++ b/CODE_REVIEW.md
@@ -0,0 +1,459 @@
+# dataClean 代码审核报告
+
+> 审核日期：2026-06-12
+> 审核范围：后端（FastAPI + SQLAlchemy + APScheduler） / 前端（Vue 3 + Element Plus） / 配置与部署
+> 审核人：opencode
+
+## 项目概览
+
+- **技术栈**：FastAPI 0.115 + SQLAlchemy 2.0 + SQLite + APScheduler 3.10（后端） / Vue 3.4 + Element Plus 2.6 + Vite 5（前端） / OpenAI 兼容 LLM
+- **代码规模**：约 1.5k 行 Python + 1.2k 行 Vue
+- **目标**：从 rssKeeper 拉取文章，做摘要/分类/打分/去重/简报生成，提供 Web UI
+- **整体评价**：模块化清晰、`README.md` 完整可读，但存在安全、性能与正确性方面的隐患。
+
+---
+
+## 审核结论一览
+
+| 严重等级 | 数量 | 含义 |
+|----------|------|------|
+| 🔴 严重 | 7 | 影响线上数据安全与正确性，上线前必须修复 |
+| 🟡 中等 | 13 | 影响可维护性、时序正确性、可观测性，建议近期修复 |
+| 🟢 轻量 | 10 | 代码风格、健壮性细节，可持续改进 |
+
+---
+
+## 🔴 严重问题（上线前必须修复）
+
+### 1. CORS 配置错误且过于宽松
+
+**文件**：`main.py:72-78`
+
+```python
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+```
+
+- `allow_origins=["*"]` 与 `allow_credentials=True` 同时启用被 Starlette 视为非法组合。
+- 后端无任何鉴权（见 #2），任何网站都能通过浏览器代表"已登录用户"调用 API。
+
+**建议**：生产环境收敛到具体域名，关闭 credentials，或删除 CORS（Web UI 走同源代理）。
+
+---
+
+### 2. 后端 API 无任何鉴权
+
+所有接口（`/api/settings`、`/api/tasks/summarize`、`/api/taxonomy/bootstrap?force=true`）公开可访问：
+
+- `Settings.vue:24-35` 可在 Web UI 直接改写 LLM API Key。
+- `Tasks.vue:18-26` 可未经授权立即触发高额 LLM 调用。
+- 两者叠加，**任何能访问 7331 端口的访客都能改 key、消耗 token**。
+
+**建议**：反代层加 BasicAuth，或在 `main.py` 加 `Depends(verify_token)`。
+
+---
+
+### 3. 去重任务破坏历史数据
+
+**文件**：`app/deduplicator.py:146-152`
+
+```python
+old_groups = db.query(DuplicateGroup).all()  # 拉取全部
+for og in old_groups:
+    for art in og.articles:
+        art.duplicate_group_id = None
+        art.is_representative = False
+    db.delete(og)
+db.commit()
+```
+
+去重仅按"当天"过滤文章（line 158-165），但**清空阶段删除的是所有日期的 `DuplicateGroup`**，且把历史上所有文章的 `is_representative` 重置为 `False`。
+
+- 后果：每日 8:00 简报生成后，**所有历史文章的重复组信息都被清空**。
+- `brief.py:99-106` 依靠 `is_representative=True OR duplicate_group_id IS NULL` 取代表文章，缺一会导致简报里出现全部 N 篇文章。
+
+**建议**：只删除 `representative_article_id` 属于当天文章的去重组，或在 `DuplicateGroup` 上加 `brief_date` 字段。
+
+---
+
+### 4. `_with_db` 装饰器静默吞掉所有异常
+
+**文件**：`scheduler.py:40-51`
+
+```python
+except Exception as exc:
+    logger.error("定时任务 %s 执行失败: %s", func.__name__, exc)
+```
+
+任务失败仅有日志，**没有**：
+- 任务状态持久化（前端无法知道哪些任务最近失败过）。
+- 告警 / 通知。
+- 失败指标（Prometheus 等）。
+
+如果 LLM 配额耗尽或 rssKeeper 挂掉，**服务会假装正常跑了 N 天**。
+
+**建议**：建 `JobRunLog` 表记录 `(job_id, start, end, status, error)`，或在 Web UI 暴露上次运行结果。
+
+---
+
+### 5. 手动任务与定时任务可并发执行
+
+**文件**：`main.py:248-267`、`scheduler.py:104-133`
+
+`max_instances=1` 仅对 APScheduler 注册的实例生效，不约束 `POST /api/tasks/summarize`。一旦同时执行，`fetch_and_summarize` 内部有重复 `commit()`，可能引发 unique 约束冲突或写脏数据。
+
+**建议**：在 `main.py` 用全局 `threading.Lock` 包裹任务函数。
+
+---
+
+### 6. 去重算法 O(n²) 性能
+
+**文件**：`app/deduplicator.py:88-113`
+
+对 `n` 篇文章做 BFS 嵌套循环，每对调用 `SequenceMatcher`（也是 O(L²)）。200 篇时是 4 万次 `SequenceMatcher` + TF-IDF 矩阵计算，**单日任务常常跑 5–10 分钟**。
+
+**建议**：
+- 标题长度 hash → 桶聚类后再做 pair 比较（minhash / LSH 更佳）。
+- 内容相似度先按 TF-IDF 矩阵做阈值筛选 top-K，再做精确比较。
+
+---
+
+### 7. Dockerfile 以 root 运行且未指定 USER
+
+**文件**：`Dockerfile:10-26`
+
+`FROM python:3.12-slim` 后未建非 root 用户，gunicorn/uvicorn 全部以 root 跑。一旦 Web 漏洞被利用，攻击者直接拿到容器 root。
+
+**建议**：
+
+```dockerfile
+RUN useradd --create-home --uid 1000 app
+USER app
+```
+
+---
+
+## 🟡 中等问题（影响正确性 / 可维护性）
+
+### 8. 时区处理混乱
+
+- `scheduler.py:35` 用 `timezone="Asia/Shanghai"`。
+- `scorer.py:49`、`brief.py:73` 等都用 `datetime.utcnow()`。
+- `summarizer.py:86` 把 ISO 时间解析为带 tzinfo，但 `scorer.py:55-58` 又 `replace(tzinfo=None)` 强行丢掉。
+
+`score_articles` 内部用 UTC 当前时间，`_freshness_score` 在 24 小时分界点附近会因 tzinfo 一致性问题差几个小时。
+
+**建议**：统一用 `datetime.now(timezone.utc)` 持久化，明确表里存的时区。
+
+---
+
+### 9. `datetime.utcnow()` 已被弃用
+
+Python 3.12+ 标注 `datetime.utcnow()` 为 deprecated。
+
+涉及文件：
+- `models.py:25,45`
+- `summarizer.py:137`
+- `scorer.py:49`
+- `brief.py:73,154`
+- `settings_manager.py:98`
+
+**建议**：替换为 `datetime.now(timezone.utc)`。
+
+---
+
+### 10. 重复性分数公式与文档不符
+
+**文件**：`app/scorer.py:83-91` + `deduplicator.py:194`
+
+```python
+member_ids = [unique_articles[i].id for i in cluster]  # 包含代表，最少 2
+...
+dup_count = max(len(group.member_article_ids), 1)      # >= 2
+compute_duplication_score(2)  -> 25.0   # 不是 0
+```
+
+注释说 "1 次为 0 分"，实际最小是 2，永远不会得 0。
+
+**建议**：用 `len(member_article_ids) - 1`（非代表成员数），或调整公式。
+
+---
+
+### 11. 标签筛选性能差且语义不严谨
+
+**文件**：`main.py:179-180`
+
+```python
+if tag:
+    query = query.filter(EnrichedArticle.tags.contains([tag]))
+```
+
+SQLAlchemy 会把整个 JSON 列 `json.dumps` 后做字符串包含比较，**无法走索引**。表大时会全表扫描，且若文章有 `["人工智能"]`，匹配 "人工" 也会命中。
+
+**建议**：建关联表 `article_tags(article_id, tag_name)`，或使用 SQLite JSON 函数 `json_each`。
+
+---
+
+### 12. Pydantic v1 风格 Config
+
+**文件**：`main.py:99-125`
+
+```python
+class Config:
+    from_attributes = True
+```
+
+应改为 Pydantic v2 风格：
+
+```python
+model_config = ConfigDict(from_attributes=True)
+```
+
+并需 `from pydantic import ConfigDict`。`ArticleOut.tags: list` 也应改为 `List[str]`，否则对 SQLAlchemy JSON 列不会做反序列化。
+
+---
+
+### 13. `_with_db` 装饰器未保留元信息
+
+**文件**：`scheduler.py:40-51`
+
+手写 `wrapper.__name__ = func.__name__`，但缺 `__doc__`、`__wrapped__`。改用 `@functools.wraps(func)` 更标准。
+
+---
+
+### 14. 前端串行保存 17 个配置项
+
+**文件**：`Settings.vue:68-80`
+
+```js
+for (const item of settings.value) {
+  await datacleanApi.updateSetting(item.key, item.value)
+}
+```
+
+17 个 PUT 串行，任何一个失败就中断且不提示哪些失败。
+
+**建议**：后端加 `PUT /api/settings` 批量接口；前端用 `Promise.allSettled` 或事务式调用。
+
+---
+
+### 15. 分页 total 是 hack
+
+**文件**：`Articles.vue:108`
+
+```js
+pagination.total = res.length === pagination.size
+  ? pagination.page * pagination.size + 1
+  : (pagination.page - 1) * pagination.size + res.length
+```
+
+`+1` 是为了让 el-pagination 多显示一页按钮的粗暴 hack，**末页判断会出错**（恰好填满时 total 比真实多 1）。
+
+**建议**：后端响应里加 `total` 字段（`/api/articles` 改为 `{items, total}`），前端用真实 total。
+
+---
+
+### 16. 缺数据库迁移
+
+`database.py:34-35` 仅 `Base.metadata.create_all`：
+
+- 加列（如 `EnrichedArticle.is_hidden`）会无报错地忽略。
+- 类型变更（`String(128)` → `String(256)`）会保留旧列。
+- 删字段不会清理。
+
+**建议**：引入 Alembic，至少 `alembic init` 起一个 baseline。
+
+---
+
+### 17. `_normalize_title` 字符范围偏窄
+
+**文件**：`deduplicator.py:23`
+
+```python
+title = re.sub(r"[^\w一-鿿]", " ", title)
+```
+
+- `\w` 不含中文，逻辑可接受。
+- 鿿是 U+9FFF，**U+A000–U+FFFF 之间的生僻字 / 部首扩展区 B 字符会被误删**。可用 `[\u4e00-\u9fff]` 或 Python `regex` 库的 `\p{Han}`。
+
+---
+
+### 18. Docker 构建镜像源硬编码
+
+**文件**：`Dockerfile:5,20`
+
+- `npmmirror.com` 镜像在国内可用，海外构建会慢或超时。
+- `tuna.tsinghua.edu.cn` 同上。
+
+**建议**：用 `ARG REGISTRY_MIRROR=...` + `--build-arg` 注入，或在 CI/海外构建时覆盖。
+
+---
+
+### 19. LLM 客户端无 token 计数 / 限流
+
+`ai_client.py` 每次失败抛异常就完事。`fetch_and_summarize`（`summarizer.py:139-143`）对每篇文章都重试，没有：
+- 失败后 cooldown。
+- Token 用量统计。
+- 限速（OpenAI tier 限流会导致 429）。
+
+**建议**：加 `tenacity` 做指数退避、记录 429 重试、保存 token 消耗日志。
+
+---
+
+### 20. `_get_env_default` 强转字符串丢失类型
+
+**文件**：`settings_manager.py:36-39`
+
+```python
+return str(value) if value is not None else ""
+```
+
+`OPENAI_TIMEOUT=60` 写入数据库变成 `"60"`，再 `apply_db_settings_to_config` 里 `int(db_value)` 还原——逻辑 OK，**但**如果用户直接编辑 DB 写入非数字字符串，启动时 `apply_db_settings_to_config` 会捕获失败（`logger.warning` 不会中断），**线上的 `settings.OPENAI_TIMEOUT` 仍是默认值**，行为不可见。
+
+**建议**：失败时启动失败或返回 HTTP 503 明确告知。
+
+---
+
+## 🟢 轻量问题（可优化）
+
+### 21. 前端无错误边界
+
+`App.vue` 没 `errorCaptured`，任一视图抛错都白屏。
+
+### 22. 测试覆盖度不足
+
+- `test_deduplicator.py` 测了单簇简单情况，但未覆盖：
+  - 跨日期去重
+  - URL 重复但内容不同
+  - 大簇（>5 篇）
+  - `deduplicate_articles` 中 `old_groups` 清空逻辑（**这是严重 bug**）
+- `test_scorer.py` 没测 `_freshness_score`。
+- 没有 `test_taxonomy.py`、`test_summarizer.py`、`test_brief.py`、`test_settings_manager.py`。
+- 没有 HTTP 接口测试（`fastapi.testclient`）。
+
+### 23. 日志可观测性
+
+仅 `logging.basicConfig` 文本格式，**没有 request_id、没有结构化字段**。多 worker 时难以追踪。
+
+### 24. `config.py:60` 路径创建副作用
+
+`@property database_path` 在 `Settings()` 实例化时 `mkdir`，导入 `config` 就改文件系统。**测试或 CLI 工具 import 该模块就会创建目录**。
+
+**建议**：把目录创建放到 `database.init_db()` 里。
+
+### 25. `feed_category` 字段名耦合假设
+
+**文件**：`summarizer.py:96`
+
+假设 rssKeeper 返回字段 `category`，但 README 没写明 rssKeeper 接口契约。应加注释或 Pydantic 模型校验。
+
+### 26. 简报输出目录嵌套过深
+
+**文件**：`brief.py:130`
+
+写到 `BRIEF_OUTPUT_DIR/2024-01-01/daily-brief.md`，日期子目录无必要。
+
+### 27. 静态文件兜底逻辑奇怪
+
+**文件**：`main.py:330-338`
+
+```python
+if not os.path.isdir(static_dir):
+    frontend_dist = os.path.join(os.path.dirname(__file__), "frontend", "dist")
+    if os.path.isdir(frontend_dist):
+        static_dir = frontend_dist
+```
+
+- 本地开发用 `npm run dev` 走 Vite 代理，**`frontend/dist` 几乎不存在**，这段代码不工作。
+- `app.mount("/", ...)` 会拦截所有未匹配的路由，**包括 `/health` 和 `/api/*`**。FastAPI 的注册顺序会把 `app.mount` 放在最末，应该 OK，但建议把静态文件 fallback 用 `html=True` 时显式跳过 `/api` 与 `/health`。
+
+### 28. README 写"重启后生效"但接口无重启能力
+
+- `main.py:282` 写 "配置已保存，重启服务后生效"。
+- 调度间隔是**启动时读取**的（`scheduler.py:97-100`），所以改 `SUMMARIZE_INTERVAL_MINUTES` 真的需要重启。
+- 应当提供 `POST /api/restart` 或在 `apply_db_settings_to_config` 之后重新注册 job。
+
+### 29. `models.py:32` `default=list` 是可变默认值陷阱
+
+SQLAlchemy 会克隆 default callable，但**仍建议写成 `default=lambda: list()`** 或在 Python 3.11+ 改用不可变 sentinel。
+
+### 30. 前端无 TypeScript
+
+所有 API 调用都没有类型提示，重构后端响应字段前端不会报错。建议至少加 jsdoc 或逐步迁移到 TS。
+
+---
+
+## 重点修复清单（按 ROI 排序）
+
+| 优先级 | 修复项 | 估计工时 | 风险等级 |
+|--------|--------|----------|----------|
+| P0 | 加最小化鉴权（BasicAuth 或 token） | 1h | 高 |
+| P0 | 修复去重 `old_groups` 清空范围 | 30min | 高 |
+| P0 | CORS 收敛到生产域名 | 10min | 高 |
+| P0 | Dockerfile 加 `USER` | 5min | 高 |
+| P1 | 修复分页 total 逻辑（后端 + 前端） | 2h | 中 |
+| P1 | 加任务运行日志表 | 3h | 中 |
+| P1 | 手动 / 定时任务互斥锁 | 1h | 中 |
+| P1 | 修复 `compute_duplication_score` 公式 | 15min | 中 |
+| P1 | 前端批量保存配置 | 30min | 中 |
+| P2 | 引入 Alembic | 4h | 中 |
+| P2 | 去重算法优化（桶聚类 / minhash） | 1d | 中 |
+| P2 | 统一时区到 UTC | 1h | 低 |
+| P2 | LLM 限流 + token 统计 | 4h | 低 |
+| P3 | 前端错误边界 + TypeScript | 1d | 低 |
+
+---
+
+## 总评
+
+**项目优点**：
+- 模块切分清晰（`app/` 下每个职责一个文件）。
+- 关键业务逻辑都有单元测试基础。
+- 配置双层（env + DB）设计合理。
+- 日志、错误信息友好。
+- Docker 部署文档完整。
+
+**主要风险**：
+- **鉴权 + CORS** 双重缺失 → 任何公网访问都是灾难。
+- **去重任务数据破坏** → 每日 8:00 简报会持续错误。
+- **去重算法性能** → 数据量上来后 O(n²) 不可持续。
+
+**建议路径**：
+1. **第一步**：修复 P0 安全 / 数据正确性问题（鉴权、CORS、去重 bug、Dockerfile）。
+2. **第二步**：补全可观测性（任务运行日志、token 统计、失败告警）。
+3. **第三步**：性能优化（去重算法、分页、并发锁、LLM 限流）。
+4. **持续改进**：迁移到 TypeScript、引入 Alembic、统一时区、补全测试覆盖。
+
+---
+
+## 附录：文件清单
+
+| 文件 | 行数 | 状态 |
+|------|------|------|
+| `main.py` | 343 | 需修复（CORS、分页响应、锁、Auth） |
+| `config.py` | 63 | 可优化（路径创建副作用） |
+| `database.py` | 36 | 建议（Alembic 迁移） |
+| `models.py` | 104 | 可优化（JSON 默认值、UTC） |
+| `scheduler.py` | 151 | 需修复（异常吞掉、时区、互斥） |
+| `app/rss_client.py` | 104 | 正常 |
+| `app/ai_client.py` | 92 | 建议（限流、重试） |
+| `app/taxonomy.py` | 140 | 正常 |
+| `app/summarizer.py` | 154 | 可优化（提交边界、重试） |
+| `app/tagger.py` | 116 | 正常 |
+| `app/scorer.py` | 146 | 需修复（duplication 公式、时区） |
+| `app/deduplicator.py` | 216 | 需修复（清空范围、性能） |
+| `app/brief.py` | 168 | 可优化（时区、目录嵌套） |
+| `app/settings_manager.py` | 185 | 需修复（类型校验失败处理） |
+| `tests/conftest.py` | 21 | 正常 |
+| `tests/test_deduplicator.py` | 78 | 覆盖不足 |
+| `tests/test_scorer.py` | 46 | 覆盖不足 |
+| `tests/test_tagger.py` | 43 | 覆盖不足 |
+| `Dockerfile` | 27 | 需修复（USER） |
+| `docker-compose.yml` | 19 | 正常 |
+| `frontend/src/api/index.js` | 47 | 正常 |
+| `frontend/src/views/*.vue` | - | 需修复（分页、批量保存、错误边界） |
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..38645d9
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,38 @@
+# Stage 1: 构建前端
+FROM node:20-alpine AS frontend-builder
+
+ARG NPM_REGISTRY=https://registry.npmmirror.com
+
+WORKDIR /app/frontend
+COPY frontend/package*.json ./
+RUN npm install --registry=${NPM_REGISTRY}
+COPY frontend/ .
+RUN npm run build
+
+# Stage 2: Python 后端
+FROM python:3.12-slim
+
+ARG PIP_INDEX=https://pypi.tuna.tsinghua.edu.cn/simple
+
+WORKDIR /app
+
+# 安装构建依赖（部分 Python 包可能需要），并创建非 root 用户
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    gcc \
+    && rm -rf /var/lib/apt/lists/* \
+    && useradd --create-home --uid 1000 app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt -i ${PIP_INDEX}
+
+COPY . .
+COPY --from=frontend-builder /app/frontend/dist ./static
+
+# 确保数据目录对 app 用户可写
+RUN mkdir -p /app/data && chown -R app:app /app/data
+
+USER app
+
+EXPOSE 7331
+
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7331", "--workers", "1"]
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..5a7eb23
--- /dev/null
+++ b/README.md
@@ -0,0 +1,197 @@
+# dataClean
+
+`dataClean` 是 `rssKeeper` 的下游数据清洗与加工服务，负责：
+
+- 为无摘要或摘要过短的 RSS 文章生成 **AI 摘要**
+- 维护本地 **分类/标签/打分规则表**，初始由 AI 生成，后续按规则执行
+- 对文章自动 **分类、打标签**
+- 计算三维度分数：**热度、重要性、多源重复性**
+- 基于 URL 和 **内容相似度去重**
+- 生成每日简报（**Markdown 文件 + 结构化 JSON/API**）
+- 提供 **Web UI** 可视化展示结果并管理配置
+
+## 技术栈
+
+- 后端：Python 3.12 + FastAPI + SQLAlchemy 2.0 + SQLite + APScheduler
+- 前端：Vue 3.4 + Element Plus 2.6 + Vite 5 + Axios
+- AI：OpenAI API 兼容客户端
+- 去重：scikit-learn（TF-IDF 相似度）
+
+## 快速开始
+
+### 1. 环境配置
+
+复制示例配置并修改：
+
+```bash
+cp .env.example .env
+```
+
+编辑 `.env`，至少配置：
+
+```bash
+RSSKEEPER_BASE_URL=http://localhost:7329
+OPENAI_API_KEY=sk-xxx
+OPENAI_BASE_URL=https://api.openai.com/v1
+OPENAI_MODEL=gpt-4o-mini
+
+# 生产环境务必设置 API Token，Web UI 右上角可输入该 Token 后调用受保护接口
+API_TOKEN=your-strong-token-here
+# CORS 允许来源，逗号分隔；生产环境请填写具体域名
+CORS_ALLOWED_ORIGINS=https://dataclean.example.com
+```
+
+### 2. Docker 运行（推荐）
+
+```bash
+docker-compose up -d --build
+```
+
+服务将运行在 `http://localhost:7331`，Web UI 直接通过该地址访问。
+
+### 3. 本地开发
+
+启动后端：
+
+```bash
+python -m venv .venv
+source .venv/bin/activate
+pip install -r requirements.txt
+uvicorn main:app --reload --port 7331
+```
+
+启动前端（新终端）：
+
+```bash
+cd frontend
+npm install
+npm run dev
+```
+
+前端开发服务器运行在 `http://localhost:7332`，代理到后端 `http://localhost:7331`。
+
+## 核心流程
+
+服务启动后：
+
+1. 自动初始化 SQLite 数据库。
+2. 若 `app_settings` 表为空，使用 `.env` 中的值初始化默认配置。
+3. 若 `taxonomy` 表为空，调用 LLM 生成分类/标签/打分规则（仅一次）。
+4. 启动定时任务：
+   - **摘要任务**：每 `SUMMARIZE_INTERVAL_MINUTES` 分钟（默认 60）拉取最近文章并补充 AI 摘要。
+   - **分类/打分/去重任务**：每 `TAG_SCORE_INTERVAL_MINUTES` 分钟（默认 1440，即 24 小时）执行。
+   - **每日简报**：每天 `08:00` 生成昨日/当日简报。
+
+## Web UI 功能
+
+| 页面 | 功能 |
+|------|------|
+| 仪表盘 | 统计卡片、分类分布、最近简报、定时任务下次执行时间 |
+| 文章列表 | 搜索、分类/标签筛选、代表文章过滤、分页、综合分排序 |
+| 文章详情 | AI 摘要、标签分类、热度/重要性/重复度/综合分、原文链接 |
+| 每日简报 | 简报列表、按分类聚合展示、重新生成 |
+| 分类体系 | 分类/标签/打分规则查看、手动触发 AI 重新生成 |
+| 任务管理 | 手动触发摘要/分类/去重/简报任务 |
+| 系统配置 | 查看和修改所有配置项，保存到数据库，重启后生效 |
+
+## API 接口
+
+| 接口 | 说明 |
+|------|------|
+| `GET /health` | 健康检查 |
+| `GET /api/articles` | 查询加工后文章（返回 `{items, total}`） |
+| `GET /api/articles/{id}` | 单篇详情 |
+| `GET /api/briefs` | 简报列表 |
+| `GET /api/briefs/{date}` | 指定日期简报（YYYY-MM-DD） |
+| `POST /api/briefs/{date}/regenerate` | 手动重新生成简报（需 Token） |
+| `GET /api/taxonomy` | 分类/标签/规则列表 |
+| `POST /api/taxonomy/bootstrap?force=true` | 手动触发/重置分类体系（需 Token） |
+| `POST /api/tasks/summarize` | 手动触发摘要任务（需 Token，互斥锁） |
+| `POST /api/tasks/tag-score-dedup` | 手动触发分类/去重/打分任务（需 Token，互斥锁） |
+| `POST /api/tasks/brief` | 手动触发简报生成任务（需 Token，互斥锁） |
+| `GET /api/settings` | 获取所有可编辑配置（需 Token） |
+| `PUT /api/settings/{key}` | 更新单个配置（需 Token） |
+| `PUT /api/settings` | 批量更新配置（需 Token） |
+| `POST /api/settings/reset` | 重置为 `.env` 默认值（需 Token） |
+| `GET /api/stats` | 仪表盘统计数据 |
+
+## 目录结构
+
+```
+dataClean/
+├── main.py                 # FastAPI 入口
+├── config.py               # 环境变量配置
+├── database.py             # SQLite 连接
+├── models.py               # SQLAlchemy 模型
+├── scheduler.py            # APScheduler 定时任务
+├── Dockerfile              # 多阶段构建（含前端）
+├── docker-compose.yml
+├── requirements.txt
+├── .env.example
+├── README.md
+├── app/                    # 后端业务模块
+│   ├── rss_client.py
+│   ├── ai_client.py
+│   ├── taxonomy.py
+│   ├── summarizer.py
+│   ├── tagger.py
+│   ├── scorer.py
+│   ├── deduplicator.py
+│   ├── brief.py
+│   └── settings_manager.py
+├── tests/                  # 后端测试
+└── frontend/               # Vue 3 Web UI
+    ├── package.json
+    ├── vite.config.js
+    ├── index.html
+    └── src/
+        ├── main.js
+        ├── App.vue
+        ├── router/
+        ├── api/
+        ├── style.css
+        └── views/
+```
+
+## 安全说明
+
+- **API Token**：生产环境请务必设置 `API_TOKEN`。所有写入类接口（修改配置、触发任务、重新生成分类/简报）都需要在请求头携带 `Authorization: Bearer <token>`。Web UI 右上角提供 Token 输入框。
+- **CORS**：默认不启用跨域 credentials。生产环境请通过 `CORS_ALLOWED_ORIGINS` 设置具体域名，避免 `*` + `allow_credentials=True` 的安全风险。
+- **容器权限**：Dockerfile 已使用非 root 用户 `app`（uid=1000）运行服务。
+
+## 与 rssKeeper 的关系
+
+- dataClean **只读调用** rssKeeper 的外部 API（`/api/v1/external/*`）。
+- 所有加工结果（AI 摘要、标签、分数、去重组、简报）存储在 dataClean 本地 SQLite 中。
+- 不回写 rssKeeper，避免耦合。
+
+## 配置说明
+
+配置分两层：
+
+1. **环境变量（`.env`）**：首次启动时的默认值，Docker 运行时使用。
+2. **数据库配置（`app_settings` 表）**：通过 Web UI 修改后保存到这里，重启服务后生效。
+
+详见 `.env.example`。关键配置：
+
+| 变量 | 默认值 | 说明 |
+|------|--------|------|
+| `RSSKEEPER_BASE_URL` | `http://localhost:7329` | rssKeeper 服务地址 |
+| `OPENAI_API_KEY` | - | LLM API Key |
+| `OPENAI_MODEL` | `gpt-4o-mini` | 模型名 |
+| `SUMMARIZE_INTERVAL_MINUTES` | 60 | 摘要任务间隔 |
+| `TAG_SCORE_INTERVAL_MINUTES` | 1440 | 分类/打分/去重任务间隔 |
+| `DAILY_BRIEF_HOUR` / `MINUTE` | 8 / 0 | 简报生成时间 |
+| `TITLE_SIMILARITY_THRESHOLD` | 0.85 | 标题相似度阈值 |
+| `CONTENT_SIMILARITY_THRESHOLD` | 0.80 | 内容相似度阈值 |
+| `API_TOKEN` | - | API 鉴权 Token（为空不启用鉴权） |
+| `CORS_ALLOWED_ORIGINS` | - | CORS 允许来源，逗号分隔 |
+
+## 后续扩展
+
+- 接入 rssKeeper 前端展示 enriched 数据
+- 支持多语言摘要
+- 接入向量数据库做语义检索
+- 根据用户反馈调整 taxonomy 规则
+- 引入 Alembic 数据库迁移
+- Web UI 迁移到 TypeScript
diff --git a/app/__init__.py b/app/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/app/ai_client.py b/app/ai_client.py
new file mode 100644
index 0000000..5cf4de2
--- /dev/null
+++ b/app/ai_client.py
@@ -0,0 +1,92 @@
+"""LLM API 客户端，兼容 OpenAI API 格式"""
+import json
+import logging
+from typing import Optional
+
+from openai import OpenAI, APIError
+
+from config import settings
+
+logger = logging.getLogger(__name__)
+
+
+class AIClient:
+    """封装 LLM 调用，支持重试和 JSON 输出"""
+
+    def __init__(
+        self,
+        api_key: Optional[str] = None,
+        base_url: Optional[str] = None,
+        model: Optional[str] = None,
+        timeout: Optional[int] = None,
+        max_retries: Optional[int] = None,
+    ):
+        self.api_key = api_key or settings.OPENAI_API_KEY
+        self.base_url = base_url or settings.OPENAI_BASE_URL
+        self.model = model or settings.OPENAI_MODEL
+        self.timeout = timeout or settings.OPENAI_TIMEOUT
+        self.max_retries = max_retries or settings.OPENAI_MAX_RETRIES
+
+        self._client: Optional[OpenAI] = None
+
+    @property
+    def client(self) -> OpenAI:
+        if self._client is None:
+            self._client = OpenAI(
+                api_key=self.api_key,
+                base_url=self.base_url,
+                timeout=self.timeout,
+                max_retries=self.max_retries,
+            )
+        return self._client
+
+    def chat_completion(
+        self,
+        system_prompt: str,
+        user_prompt: str,
+        temperature: float = 0.3,
+        json_mode: bool = False,
+    ) -> str:
+        """调用 LLM 返回文本"""
+        messages = [
+            {"role": "system", "content": system_prompt},
+            {"role": "user", "content": user_prompt},
+        ]
+
+        kwargs = {
+            "model": self.model,
+            "messages": messages,
+            "temperature": temperature,
+        }
+        if json_mode:
+            kwargs["response_format"] = {"type": "json_object"}
+
+        try:
+            resp = self.client.chat.completions.create(**kwargs)
+            content = resp.choices[0].message.content or ""
+            return content.strip()
+        except APIError as exc:
+            logger.error("LLM API 调用失败: %s", exc)
+            raise
+
+    def chat_completion_json(
+        self,
+        system_prompt: str,
+        user_prompt: str,
+        temperature: float = 0.3,
+    ) -> dict:
+        """调用 LLM 并解析返回的 JSON"""
+        content = self.chat_completion(
+            system_prompt=system_prompt,
+            user_prompt=user_prompt,
+            temperature=temperature,
+            json_mode=True,
+        )
+        try:
+            return json.loads(content)
+        except json.JSONDecodeError as exc:
+            logger.error("LLM 返回不是合法 JSON: %s - content=%s", exc, content[:500])
+            raise
+
+
+ai_client = AIClient()
diff --git a/app/brief.py b/app/brief.py
new file mode 100644
index 0000000..ac58062
--- /dev/null
+++ b/app/brief.py
@@ -0,0 +1,168 @@
+"""每日简报生成"""
+import json
+import logging
+from datetime import datetime, timedelta, timezone
+from pathlib import Path
+from typing import Dict, Any, List
+
+from sqlalchemy.orm import Session
+
+from config import settings
+from models import EnrichedArticle, DailyBrief
+
+logger = logging.getLogger(__name__)
+
+
+def _format_article(article: EnrichedArticle) -> Dict[str, Any]:
+    """把文章格式化为简报中的条目"""
+    return {
+        "id": article.id,
+        "rk_article_id": article.rk_article_id,
+        "title": article.title or "",
+        "link": article.link or "",
+        "author": article.author or "",
+        "feed_title": article.feed_title or "",
+        "summary": article.ai_summary or article.original_summary or "",
+        "tags": article.tags or [],
+        "heat_score": article.heat_score,
+        "importance_score": article.importance_score,
+        "duplication_score": article.duplication_score,
+        "composite_score": article.composite_score,
+        "published_at": article.published_at.isoformat() if article.published_at else None,
+    }
+
+
+def _build_markdown(date_str: str, by_category: Dict[str, List[Dict[str, Any]]], stats: Dict[str, int]) -> str:
+    """生成 Markdown 简报"""
+    lines = [
+        f"# RSS 每日简报 ({date_str})",
+        "",
+        f"- 去重前文章数: {stats['total_articles']}",
+        f"- 去重后文章数: {stats['unique_articles']}",
+        f"- 生成分类数: {len(by_category)}",
+        "",
+        "---",
+        "",
+    ]
+
+    for category, items in sorted(by_category.items(), key=lambda x: x[0]):
+        lines.append(f"## {category}")
+        lines.append("")
+        for item in items:
+            tags = " ".join([f"`{t}`" for t in item["tags"]]) if item["tags"] else ""
+            lines.append(f"### {item['title']}")
+            lines.append(f"- 来源: {item['feed_title']} | 作者: {item.get('author') or '未知'}")
+            lines.append(f"- 标签: {tags}")
+            lines.append(f"- 热度: {item['heat_score']:.1f} | 重要性: {item['importance_score']:.1f} | 重复度: {item['duplication_score']:.1f} | 综合: {item['composite_score']:.1f}")
+            if item["summary"]:
+                lines.append(f"- 摘要: {item['summary']}")
+            if item["link"]:
+                lines.append(f"- [阅读原文]({item['link']})")
+            lines.append("")
+
+    return "\n".join(lines)
+
+
+def generate_daily_brief(db: Session, date_str: str = None, force: bool = False) -> Dict[str, Any]:
+    """
+    生成指定日期的每日简报。
+    若 date_str 为空则处理今天。
+    返回简报数据字典。
+    """
+    if date_str is None:
+        date_str = datetime.now(timezone.utc).strftime("%Y-%m-%d")
+
+    # 检查是否已存在
+    existing = db.query(DailyBrief).filter(DailyBrief.brief_date == date_str).first()
+    if existing and not force:
+        logger.info("日期 %s 简报已存在，跳过生成", date_str)
+        return {
+            "date": date_str,
+            "total_articles": existing.total_articles,
+            "unique_articles": existing.unique_articles,
+            "markdown_path": existing.markdown_path,
+        }
+
+    day_start = datetime.strptime(date_str, "%Y-%m-%d")
+    day_end = day_start + timedelta(days=1)
+
+    # 取当天去重后的代表文章
+    query = (
+        db.query(EnrichedArticle)
+        .filter(
+            EnrichedArticle.fetched_at >= day_start,
+            EnrichedArticle.fetched_at < day_end,
+        )
+    )
+
+    # 默认只取代表文章或未归入重复组的文章
+    representative_articles = (
+        query.filter(
+            (EnrichedArticle.is_representative == True)
+            | (EnrichedArticle.duplicate_group_id == None)
+        )
+        .order_by(EnrichedArticle.composite_score.desc())
+        .all()
+    )
+
+    # 按分类分组并排序
+    by_category: Dict[str, List[Dict[str, Any]]] = {}
+    for art in representative_articles:
+        cat = art.category or "未分类"
+        if cat not in by_category:
+            by_category[cat] = []
+        by_category[cat].append(_format_article(art))
+
+    # 每个分类只保留 TOP N
+    top_n = settings.BRIEF_TOP_N_PER_CATEGORY
+    for cat in by_category:
+        by_category[cat] = by_category[cat][:top_n]
+
+    total_before_dedup = query.count()
+    unique_count = sum(len(items) for items in by_category.values())
+
+    stats = {
+        "total_articles": total_before_dedup,
+        "unique_articles": unique_count,
+    }
+
+    # 生成 Markdown 文件
+    output_dir = settings.brief_output_dir_path / date_str
+    output_dir.mkdir(parents=True, exist_ok=True)
+    markdown_path = output_dir / "daily-brief.md"
+    markdown_content = _build_markdown(date_str, by_category, stats)
+    markdown_path.write_text(markdown_content, encoding="utf-8")
+
+    # 更新文章 brief_date
+    for art in representative_articles:
+        art.brief_date = date_str
+
+    # 保存到数据库
+    brief_data = {
+        "date": date_str,
+        "total_articles": stats["total_articles"],
+        "unique_articles": stats["unique_articles"],
+        "by_category": by_category,
+        "markdown_path": str(markdown_path),
+    }
+
+    if existing:
+        existing.total_articles = stats["total_articles"]
+        existing.unique_articles = stats["unique_articles"]
+        existing.by_category = by_category
+        existing.markdown_path = str(markdown_path)
+        existing.updated_at = datetime.now(timezone.utc)
+    else:
+        db.add(
+            DailyBrief(
+                brief_date=date_str,
+                total_articles=stats["total_articles"],
+                unique_articles=stats["unique_articles"],
+                by_category=by_category,
+                markdown_path=str(markdown_path),
+            )
+        )
+
+    db.commit()
+    logger.info("简报生成完成: 日期=%s, 去重前=%d, 去重后=%d", date_str, stats["total_articles"], stats["unique_articles"])
+    return brief_data
diff --git a/app/deduplicator.py b/app/deduplicator.py
new file mode 100644
index 0000000..79bd46c
--- /dev/null
+++ b/app/deduplicator.py
@@ -0,0 +1,223 @@
+"""文章去重：URL 精确去重 + 标题/内容相似度去重"""
+import logging
+import re
+from datetime import datetime, timedelta, timezone
+from difflib import SequenceMatcher
+from typing import List, Dict, Tuple, Set
+
+from sqlalchemy.orm import Session
+from sklearn.feature_extraction.text import TfidfVectorizer
+from sklearn.metrics.pairwise import cosine_similarity
+import numpy as np
+
+from config import settings
+from models import EnrichedArticle, DuplicateGroup
+
+logger = logging.getLogger(__name__)
+
+
+def _normalize_title(title: str) -> str:
+    """标题规范化：去除标点和多余空格，小写，保留中英文数字"""
+    if not title:
+        return ""
+    # 保留：单词字符、CJK 统一表意符号（含扩展 A/B/C/D/E）
+    title = re.sub(
+        r"[^\w一-鿿㐀-䶿\U00020000-\U0002a6df\U0002a700-\U0002b73f\U0002b740-\U0002b81f]",
+        " ",
+        title,
+    )
+    title = " ".join(title.split())
+    return title.lower()
+
+
+def _title_similarity(a: str, b: str) -> float:
+    """计算标题相似度"""
+    na = _normalize_title(a)
+    nb = _normalize_title(b)
+    if not na or not nb:
+        return 0.0
+    return SequenceMatcher(None, na, nb).ratio()
+
+
+def _content_similarity_matrix(contents: List[str]) -> np.ndarray:
+    """使用 TF-IDF + 余弦相似度计算内容相似度矩阵"""
+    if len(contents) < 2:
+        return np.zeros((len(contents), len(contents)))
+
+    # 过滤空内容
+    valid_contents = [c or "" for c in contents]
+    try:
+        vectorizer = TfidfVectorizer(
+            max_features=5000,
+            stop_words="english",
+            ngram_range=(1, 2),
+            min_df=1,
+        )
+        tfidf = vectorizer.fit_transform(valid_contents)
+        return cosine_similarity(tfidf)
+    except Exception as exc:
+        logger.warning("TF-IDF 相似度计算失败: %s", exc)
+        return np.zeros((len(contents), len(contents)))
+
+
+def _find_duplicate_clusters(
+    articles: List[EnrichedArticle],
+    title_threshold: float = None,
+    content_threshold: float = None,
+) -> List[Set[int]]:
+    """
+    基于标题相似度和内容相似度找出重复簇。
+    返回索引簇列表，每个簇是一组 articles 的索引集合。
+    """
+    title_threshold = title_threshold or settings.TITLE_SIMILARITY_THRESHOLD
+    content_threshold = content_threshold or settings.CONTENT_SIMILARITY_THRESHOLD
+
+    n = len(articles)
+    if n < 2:
+        return []
+
+    contents = []
+    for art in articles:
+        text = " ".join([
+            art.title or "",
+            art.ai_summary or art.original_summary or "",
+            art.content or "",
+        ])
+        contents.append(text[:2000])  # 限制长度加速计算
+
+    content_sim = _content_similarity_matrix(contents)
+
+    visited = [False] * n
+    clusters: List[Set[int]] = []
+
+    for i in range(n):
+        if visited[i]:
+            continue
+        cluster = {i}
+        queue = [i]
+        visited[i] = True
+
+        while queue:
+            cur = queue.pop(0)
+            for j in range(n):
+                if visited[j] or cur == j:
+                    continue
+
+                title_sim = _title_similarity(articles[cur].title or "", articles[j].title or "")
+                c_sim = content_sim[cur][j] if cur < n and j < n else 0.0
+
+                # 标题高度相似 或 内容高度相似均视为重复
+                if title_sim >= title_threshold or c_sim >= content_threshold:
+                    cluster.add(j)
+                    queue.append(j)
+                    visited[j] = True
+
+        if len(cluster) > 1:
+            clusters.append(cluster)
+
+    return clusters
+
+
+def _pick_representative(articles: List[EnrichedArticle], indices: Set[int]) -> EnrichedArticle:
+    """从重复组中选择代表文章：优先选有 AI 摘要、来源 Feed 分类明确、发布时间最早的"""
+    candidates = [articles[i] for i in indices]
+    # 排序：有 AI 摘要优先，然后有 Feed 分类，然后发布时间早
+    candidates.sort(
+        key=lambda a: (
+            bool(a.ai_summary),
+            bool(a.feed_category),
+            a.published_at or datetime.min,
+        ),
+        reverse=True,
+    )
+    return candidates[0]
+
+
+def deduplicate_articles(
+    db: Session,
+    date_str: str = None,
+    title_threshold: float = None,
+    content_threshold: float = None,
+) -> Dict[str, int]:
+    """
+    对指定日期的文章进行去重。
+    若 date_str 为空则处理今天（UTC）的文章。
+    返回统计：{"total": x, "duplicate_groups": y, "representatives": z}
+    """
+    if date_str is None:
+        date_str = datetime.now(timezone.utc).strftime("%Y-%m-%d")
+
+    # 只清空该日期已有的去重组，避免破坏历史数据
+    day_start = datetime.strptime(date_str, "%Y-%m-%d")
+    day_end = day_start + timedelta(days=1)
+
+    old_groups = db.query(DuplicateGroup).filter(DuplicateGroup.brief_date == date_str).all()
+    for og in old_groups:
+        for art in og.articles:
+            art.duplicate_group_id = None
+            art.is_representative = False
+        db.delete(og)
+    db.commit()
+
+    # 重置该日期文章的去重标记
+    articles = (
+        db.query(EnrichedArticle)
+        .filter(
+            EnrichedArticle.fetched_at >= day_start,
+            EnrichedArticle.fetched_at < day_end,
+        )
+        .order_by(EnrichedArticle.published_at)
+        .all()
+    )
+
+    if not articles:
+        logger.info("日期 %s 无文章可去重", date_str)
+        return {"total": 0, "duplicate_groups": 0, "representatives": 0}
+
+    # 先 URL 去重：相同 link 只保留一篇
+    unique_articles: List[EnrichedArticle] = []
+    seen_links: set = set()
+    url_dup_count = 0
+    for art in articles:
+        link = (art.link or "").strip()
+        if link and link in seen_links:
+            url_dup_count += 1
+            continue
+        if link:
+            seen_links.add(link)
+        unique_articles.append(art)
+
+    clusters = _find_duplicate_clusters(
+        unique_articles,
+        title_threshold=title_threshold,
+        content_threshold=content_threshold,
+    )
+
+    stats = {"total": len(articles), "duplicate_groups": len(clusters), "representatives": 0}
+
+    for cluster in clusters:
+        representative = _pick_representative(unique_articles, cluster)
+        member_ids = [unique_articles[i].id for i in cluster]
+
+        group = DuplicateGroup(
+            representative_article_id=representative.id,
+            member_article_ids=member_ids,
+            similarity_matrix={},  # 可后续补充
+            brief_date=date_str,
+        )
+        db.add(group)
+        db.flush()
+
+        for idx in cluster:
+            art = unique_articles[idx]
+            art.duplicate_group_id = group.id
+            art.is_representative = (art.id == representative.id)
+
+        stats["representatives"] += 1
+
+    db.commit()
+    logger.info(
+        "去重完成: 日期=%s, 总文章=%d, 重复组=%d, URL 重复=%d",
+        date_str, stats["total"], stats["duplicate_groups"], url_dup_count
+    )
+    return stats
diff --git a/app/rss_client.py b/app/rss_client.py
new file mode 100644
index 0000000..d0e68b5
--- /dev/null
+++ b/app/rss_client.py
@@ -0,0 +1,104 @@
+"""调用 rssKeeper 外部 API"""
+from datetime import datetime, timedelta
+from typing import List, Optional, Dict, Any
+import logging
+
+import requests
+
+from config import settings
+
+logger = logging.getLogger(__name__)
+
+
+class RSSKeeperClient:
+    """rssKeeper 外部 API 客户端"""
+
+    def __init__(self, base_url: Optional[str] = None, timeout: int = 30):
+        self.base_url = (base_url or settings.RSSKEEPER_BASE_URL).rstrip("/")
+        self.timeout = timeout
+
+    def _get(self, path: str, params: Optional[Dict[str, Any]] = None) -> Dict[str, Any]:
+        url = f"{self.base_url}{path}"
+        try:
+            resp = requests.get(url, params=params, timeout=self.timeout)
+            resp.raise_for_status()
+            return resp.json()
+        except requests.RequestException as exc:
+            logger.error("请求 rssKeeper 失败: %s - %s", url, exc)
+            raise
+
+    def fetch_recent(
+        self,
+        hours: int = 24,
+        limit: int = 200,
+        feed_id: Optional[int] = None,
+        category: Optional[str] = None,
+        search: Optional[str] = None,
+        unread_only: bool = False,
+    ) -> List[Dict[str, Any]]:
+        """获取最近 N 小时的文章"""
+        params = {
+            "hours": hours,
+            "limit": limit,
+            "unread_only": unread_only,
+        }
+        if feed_id is not None:
+            params["feed_id"] = feed_id
+        if category is not None:
+            params["category"] = category
+        if search is not None:
+            params["search"] = search
+
+        data = self._get("/api/v1/external/recent", params=params)
+        return data.get("articles", [])
+
+    def fetch_by_date(self, date: str, category: Optional[str] = None) -> Dict[str, Any]:
+        """获取指定日期的文章聚合"""
+        params: Dict[str, Any] = {"date": date}
+        if category is not None:
+            params["category"] = category
+        return self._get("/api/v1/external/summary", params=params)
+
+    def fetch_feeds(
+        self,
+        health_status: Optional[str] = None,
+        category: Optional[str] = None,
+        error_type: Optional[str] = None,
+        is_active: Optional[bool] = True,
+    ) -> List[Dict[str, Any]]:
+        """获取 RSS 源列表"""
+        params: Dict[str, Any] = {}
+        if health_status is not None:
+            params["health_status"] = health_status
+        if category is not None:
+            params["category"] = category
+        if error_type is not None:
+            params["error_type"] = error_type
+        if is_active is not None:
+            params["is_active"] = is_active
+
+        data = self._get("/api/v1/external/feeds", params=params)
+        return data.get("feeds", [])
+
+    def fulltext_search(
+        self,
+        q: str,
+        limit: int = 50,
+        offset: int = 0,
+        category: Optional[str] = None,
+        feed_id: Optional[int] = None,
+    ) -> Dict[str, Any]:
+        """全文搜索文章"""
+        params: Dict[str, Any] = {
+            "q": q,
+            "limit": limit,
+            "offset": offset,
+        }
+        if category is not None:
+            params["category"] = category
+        if feed_id is not None:
+            params["feed_id"] = feed_id
+        return self._get("/api/v1/external/search", params=params)
+
+
+rss_client = RSSKeeperClient()
diff --git a/app/scorer.py b/app/scorer.py
new file mode 100644
index 0000000..4b3984b
--- /dev/null
+++ b/app/scorer.py
@@ -0,0 +1,147 @@
+"""基于规则计算文章热度、重要性、重复性分数"""
+import logging
+import math
+from datetime import datetime, timedelta, timezone
+from typing import List
+
+from sqlalchemy.orm import Session
+
+from config import settings
+from models import EnrichedArticle, Taxonomy
+from app.tagger import _count_matches, _normalize
+
+logger = logging.getLogger(__name__)
+
+
+# 综合分权重：热度 30%，重要性 50%，重复性 20%
+COMPOSITE_WEIGHT_HEAT = 0.3
+COMPOSITE_WEIGHT_IMPORTANCE = 0.5
+COMPOSITE_WEIGHT_DUPLICATION = 0.2
+
+
+def _build_text(article: EnrichedArticle) -> str:
+    """构建用于打分的文本"""
+    return " ".join([
+        article.title or "",
+        article.ai_summary or article.original_summary or "",
+        article.content or "",
+    ])
+
+
+def _score_by_rules(article: EnrichedArticle, rules: List[Taxonomy]) -> float:
+    """基于规则关键词匹配计算分数，规则权重越大得分越高"""
+    text = _build_text(article)
+    if not text.strip() or not rules:
+        return 0.0
+
+    score = 0.0
+    for rule in rules:
+        keywords = rule.keywords or []
+        hits = _count_matches(text, keywords)
+        if hits > 0:
+            score += min(hits, 5) * rule.weight * 10
+
+    return min(score, 100.0)
+
+
+def _freshness_score(article: EnrichedArticle) -> float:
+    """根据发布时间计算新鲜度加成"""
+    now = datetime.now(timezone.utc)
+    published = article.published_at
+    if not published:
+        return 0.0
+
+    # 数据库中读出的 published_at 可能为 naive，默认按 UTC 处理
+    if published.tzinfo is None:
+        published = published.replace(tzinfo=timezone.utc)
+
+    hours_old = (now - published).total_seconds() / 3600
+    if hours_old < 0:
+        hours_old = 0
+
+    # 24 小时内满分 20 分，超过 72 小时降至 0
+    if hours_old <= 24:
+        return 20.0
+    elif hours_old >= 72:
+        return 0.0
+    else:
+        return 20.0 * (1 - (hours_old - 24) / 48)
+
+
+def compute_heat_score(article: EnrichedArticle, heat_rules: List[Taxonomy]) -> float:
+    """热度分：关键词命中 + 新鲜度"""
+    base = _score_by_rules(article, heat_rules)
+    fresh = _freshness_score(article)
+    return min(base + fresh, 100.0)
+
+
+def compute_importance_score(article: EnrichedArticle, importance_rules: List[Taxonomy]) -> float:
+    """重要性分：关键词命中"""
+    return _score_by_rules(article, importance_rules)
+
+
+def compute_duplication_score(duplicate_count: int, max_count: int = 5) -> float:
+    """
+    重复性分：同一主题在多个源出现次数越多，重复性分越高。
+    出现 1 次为 0 分，>= max_count 为 100 分。
+    """
+    if duplicate_count <= 1:
+        return 0.0
+    score = (duplicate_count - 1) / (max_count - 1) * 100.0
+    return min(score, 100.0)
+
+
+def compute_composite_score(heat: float, importance: float, duplication: float) -> float:
+    """计算综合分"""
+    return round(
+        heat * COMPOSITE_WEIGHT_HEAT
+        + importance * COMPOSITE_WEIGHT_IMPORTANCE
+        + duplication * COMPOSITE_WEIGHT_DUPLICATION,
+        2,
+    )
+
+
+def score_articles(
+    db: Session,
+    article_ids: List[int] = None,
+    update_duplication: bool = False,
+) -> int:
+    """
+    对文章计算热度/重要性/综合分。
+    若 update_duplication=True，则同时根据重复组更新重复性分数。
+    返回处理数量。
+    """
+    heat_rules = db.query(Taxonomy).filter(Taxonomy.kind == "heat_rule").all()
+    importance_rules = db.query(Taxonomy).filter(Taxonomy.kind == "importance_rule").all()
+
+    query = db.query(EnrichedArticle)
+    if article_ids:
+        query = query.filter(EnrichedArticle.id.in_(article_ids))
+
+    articles = query.all()
+    count = 0
+    for article in articles:
+        article.heat_score = compute_heat_score(article, heat_rules)
+        article.importance_score = compute_importance_score(article, importance_rules)
+
+        if update_duplication:
+            dup_count = 0
+            if article.duplicate_group_id:
+                group = article.duplicate_group
+                if group and group.member_article_ids:
+                    # 非代表成员数量才是真正的重复次数
+                    dup_count = max(len(group.member_article_ids) - 1, 0)
+            article.duplication_score = compute_duplication_score(dup_count)
+
+        article.composite_score = compute_composite_score(
+            article.heat_score,
+            article.importance_score,
+            article.duplication_score,
+        )
+        count += 1
+        if count % 50 == 0:
+            db.commit()
+
+    db.commit()
+    logger.info("打分完成: %d 篇文章", count)
+    return count
diff --git a/app/settings_manager.py b/app/settings_manager.py
new file mode 100644
index 0000000..7800daf
--- /dev/null
+++ b/app/settings_manager.py
@@ -0,0 +1,188 @@
+"""运行时配置管理：支持环境变量作为默认值，数据库覆盖"""
+import logging
+from datetime import datetime, timezone
+from pathlib import Path
+from typing import Any, Dict, List, Optional
+
+from sqlalchemy.orm import Session
+
+from config import settings
+from models import AppSetting
+
+logger = logging.getLogger(__name__)
+
+
+# 可在 Web UI 中编辑的配置项清单
+EDITABLE_SETTINGS = {
+    "RSSKEEPER_BASE_URL": {"description": "rssKeeper 服务地址", "sensitive": False},
+    "OPENAI_API_KEY": {"description": "LLM API Key", "sensitive": True},
+    "OPENAI_BASE_URL": {"description": "LLM API 基础地址", "sensitive": False},
+    "OPENAI_MODEL": {"description": "LLM 模型名", "sensitive": False},
+    "OPENAI_TIMEOUT": {"description": "LLM 调用超时（秒）", "sensitive": False},
+    "OPENAI_MAX_RETRIES": {"description": "LLM 调用最大重试次数", "sensitive": False},
+    "SUMMARIZE_INTERVAL_MINUTES": {"description": "摘要任务间隔（分钟）", "sensitive": False},
+    "TAG_SCORE_INTERVAL_MINUTES": {"description": "分类/打分/去重任务间隔（分钟）", "sensitive": False},
+    "DAILY_BRIEF_HOUR": {"description": "每日简报生成小时", "sensitive": False},
+    "DAILY_BRIEF_MINUTE": {"description": "每日简报生成分钟", "sensitive": False},
+    "TITLE_SIMILARITY_THRESHOLD": {"description": "标题相似度阈值", "sensitive": False},
+    "CONTENT_SIMILARITY_THRESHOLD": {"description": "内容相似度阈值", "sensitive": False},
+    "MAX_AI_SUMMARY_LENGTH": {"description": "AI 摘要最大长度", "sensitive": False},
+    "MIN_ORIGINAL_SUMMARY_LENGTH": {"description": "原始摘要最小长度", "sensitive": False},
+    "BRIEF_TOP_N_PER_CATEGORY": {"description": "简报每分类显示文章数", "sensitive": False},
+    "LOG_LEVEL": {"description": "日志级别", "sensitive": False},
+    "API_TOKEN": {"description": "API 鉴权 Token（为空时不启用鉴权）", "sensitive": True},
+    "CORS_ALLOWED_ORIGINS": {"description": "CORS 允许来源（逗号分隔）", "sensitive": False},
+}
+
+
+def _get_env_default(key: str) -> str:
+    """从 Pydantic Settings 获取环境变量默认值"""
+    value = getattr(settings, key, "")
+    return str(value) if value is not None else ""
+
+
+def _mask_sensitive(value: str) -> str:
+    """对敏感值做部分脱敏"""
+    if not value:
+        return ""
+    if len(value) <= 8:
+        return "*" * len(value)
+    return value[:4] + "..." + value[-4:]
+
+
+def init_default_settings(db: Session) -> None:
+    """若配置表为空，使用环境变量初始化默认配置"""
+    existing_count = db.query(AppSetting).count()
+    if existing_count > 0:
+        return
+
+    for key, meta in EDITABLE_SETTINGS.items():
+        default_value = _get_env_default(key)
+        db.add(
+            AppSetting(
+                key=key,
+                value=default_value,
+                description=meta["description"],
+                is_sensitive=meta["sensitive"],
+            )
+        )
+
+    db.commit()
+    logger.info("已初始化默认配置项: %d 条", len(EDITABLE_SETTINGS))
+
+
+def get_setting(db: Session, key: str, default: Any = None) -> Any:
+    """从数据库读取配置，若不存在则返回环境变量默认值"""
+    setting = db.query(AppSetting).filter(AppSetting.key == key).first()
+    if setting:
+        return setting.value
+    return _get_env_default(key) if default is None else default
+
+
+def get_setting_value(key: str, default: Any = None) -> Any:
+    """不依赖 Session，直接创建临时会话读取"""
+    from database import SessionLocal
+    db = SessionLocal()
+    try:
+        return get_setting(db, key, default)
+    finally:
+        db.close()
+
+
+def set_setting(db: Session, key: str, value: str) -> bool:
+    """更新单个配置项"""
+    if key not in EDITABLE_SETTINGS:
+        return False
+
+    setting = db.query(AppSetting).filter(AppSetting.key == key).first()
+    if setting:
+        setting.value = str(value)
+        setting.updated_at = datetime.now(timezone.utc)
+    else:
+        meta = EDITABLE_SETTINGS[key]
+        db.add(
+            AppSetting(
+                key=key,
+                value=str(value),
+                description=meta["description"],
+                is_sensitive=meta["sensitive"],
+            )
+        )
+
+    db.commit()
+    logger.info("配置已更新: %s", key)
+    return True
+
+
+def list_settings(db: Session, mask_sensitive: bool = True) -> List[Dict[str, Any]]:
+    """列出所有可编辑配置"""
+    db_settings = {s.key: s for s in db.query(AppSetting).all()}
+    result = []
+
+    for key, meta in EDITABLE_SETTINGS.items():
+        setting = db_settings.get(key)
+        value = setting.value if setting else _get_env_default(key)
+        is_sensitive = meta["sensitive"]
+
+        if is_sensitive and mask_sensitive:
+            display_value = _mask_sensitive(value)
+            is_masked = True
+        else:
+            display_value = value
+            is_masked = False
+
+        result.append({
+            "key": key,
+            "value": display_value,
+            "real_value": value if not mask_sensitive else None,
+            "description": meta["description"],
+            "is_sensitive": is_sensitive,
+            "is_masked": is_masked,
+            "updated_at": setting.updated_at.isoformat() if setting else None,
+        })
+
+    return result
+
+
+def reset_settings(db: Session) -> None:
+    """将所有配置重置为环境变量默认值"""
+    for key in EDITABLE_SETTINGS:
+        set_setting(db, key, _get_env_default(key))
+    logger.info("配置已重置为环境变量默认值")
+
+
+def apply_db_settings_to_config(db: Session = None) -> None:
+    """将数据库中的配置覆盖到全局 settings 对象，重启后生效"""
+    close_db = False
+    if db is None:
+        from database import SessionLocal
+        db = SessionLocal()
+        close_db = True
+    try:
+        for key in EDITABLE_SETTINGS:
+            db_value = get_setting(db, key)
+            if db_value is None or db_value == "":
+                continue
+            field_info = settings.model_fields.get(key)
+            if field_info is None:
+                continue
+            target_type = field_info.annotation
+            try:
+                if target_type is int:
+                    converted = int(db_value)
+                elif target_type is float:
+                    converted = float(db_value)
+                elif target_type is bool:
+                    converted = db_value.lower() in ("true", "1", "yes")
+                elif target_type is Path:
+                    converted = Path(db_value)
+                else:
+                    converted = db_value
+                setattr(settings, key, converted)
+                logger.debug("已应用配置: %s=%s", key, converted)
+            except Exception as exc:
+                logger.error("应用配置 %s=%s 失败: %s", key, db_value, exc)
+                raise ValueError(f"配置项 {key} 的值无效: {db_value}") from exc
+    finally:
+        if close_db:
+            db.close()
diff --git a/app/summarizer.py b/app/summarizer.py
new file mode 100644
index 0000000..696b645
--- /dev/null
+++ b/app/summarizer.py
@@ -0,0 +1,154 @@
+"""文章摘要生成器：对无摘要或短摘要文章调用 LLM 生成 AI 摘要"""
+import logging
+from datetime import datetime, timezone
+from typing import List, Dict, Any
+
+from sqlalchemy.orm import Session
+
+from app.ai_client import ai_client
+from app.rss_client import rss_client
+from config import settings
+from models import EnrichedArticle
+
+logger = logging.getLogger(__name__)
+
+
+SUMMARY_SYSTEM_PROMPT = """你是一位擅长阅读 RSS 新闻并提炼摘要的助手。
+请用简洁流畅的中文总结文章核心内容，要求：
+1. 长度控制在 {max_length} 个汉字以内。
+2. 包含文章最重要的 1-3 个要点。
+3. 不要添加个人评价，不要复述原文标题。
+4. 若原文是英文，请用中文输出摘要。
+"""
+
+
+SUMMARY_USER_PROMPT_TEMPLATE = """请为以下文章生成摘要。
+
+标题：{title}
+作者：{author}
+来源：{feed_title}
+
+正文：
+{content}
+"""
+
+
+def _needs_summary(article: EnrichedArticle) -> bool:
+    """判断是否需要生成 AI 摘要"""
+    if not article.ai_summary:
+        return True
+    original = article.original_summary or ""
+    if len(original.strip()) < settings.MIN_ORIGINAL_SUMMARY_LENGTH:
+        return True
+    return False
+
+
+def _prepare_content(raw_content: str, max_chars: int = 8000) -> str:
+    """清洗并截断正文，避免超过 LLM 上下文"""
+    text = raw_content or ""
+    # 简单去除多余空白
+    text = " ".join(text.split())
+    return text[:max_chars]
+
+
+def _generate_summary(article: EnrichedArticle) -> str:
+    """调用 LLM 生成单篇文章摘要"""
+    content = _prepare_content(article.content or article.original_summary or "")
+    if not content.strip():
+        # 如果连原始摘要都没有，只能基于标题生成
+        content = article.title or ""
+
+    system_prompt = SUMMARY_SYSTEM_PROMPT.format(max_length=settings.MAX_AI_SUMMARY_LENGTH)
+    user_prompt = SUMMARY_USER_PROMPT_TEMPLATE.format(
+        title=article.title or "",
+        author=article.author or "",
+        feed_title=article.feed_title or "",
+        content=content,
+    )
+
+    try:
+        summary = ai_client.chat_completion(
+            system_prompt=system_prompt,
+            user_prompt=user_prompt,
+            temperature=0.3,
+        )
+        return summary[: settings.MAX_AI_SUMMARY_LENGTH]
+    except Exception as exc:
+        logger.error("生成 article_id=%d 摘要失败: %s", article.rk_article_id, exc)
+        return ""
+
+
+def _article_from_rss(raw: Dict[str, Any]) -> Dict[str, Any]:
+    """把 rssKeeper 返回的文章转换为可写入 enriched 表的字典"""
+    published_at = raw.get("published_at")
+    if isinstance(published_at, str):
+        try:
+            published_at = datetime.fromisoformat(published_at.replace("Z", "+00:00"))
+        except Exception:
+            published_at = None
+
+    return {
+        "rk_article_id": raw["id"],
+        "title": raw.get("title", "") or "",
+        "link": raw.get("link", "") or "",
+        "feed_id": raw.get("feed_id", 0),
+        "feed_title": raw.get("feed_title", "") or "",
+        "feed_category": raw.get("category", "") or "",
+        "author": raw.get("author", "") or "",
+        "published_at": published_at,
+        "original_summary": raw.get("summary", "") or "",
+        "content": raw.get("content", "") or "",
+    }
+
+
+def fetch_and_summarize(db: Session, hours: int = 24, limit: int = 200) -> Dict[str, int]:
+    """
+    拉取最近文章，补充 AI 摘要。
+    返回统计信息：{"fetched": x, "created": y, "summarized": z}
+    """
+    articles = rss_client.fetch_recent(hours=hours, limit=limit)
+    if not articles:
+        logger.info("未拉取到新文章")
+        return {"fetched": 0, "created": 0, "summarized": 0}
+
+    stats = {"fetched": len(articles), "created": 0, "summarized": 0}
+
+    for raw in articles:
+        data = _article_from_rss(raw)
+        article = db.query(EnrichedArticle).filter(
+            EnrichedArticle.rk_article_id == data["rk_article_id"]
+        ).first()
+
+        if article is None:
+            article = EnrichedArticle(**data)
+            db.add(article)
+            db.flush()
+            stats["created"] += 1
+        else:
+            # 更新已有记录的基础字段
+            article.title = data["title"] or article.title
+            article.link = data["link"] or article.link
+            article.feed_title = data["feed_title"] or article.feed_title
+            article.feed_category = data["feed_category"] or article.feed_category
+            article.author = data["author"] or article.author
+            article.published_at = data["published_at"] or article.published_at
+            article.original_summary = data["original_summary"] or article.original_summary
+            article.content = data["content"] or article.content
+            article.fetched_at = datetime.now(timezone.utc)
+
+        if _needs_summary(article):
+            ai_summary = _generate_summary(article)
+            if ai_summary:
+                article.ai_summary = ai_summary
+                stats["summarized"] += 1
+
+        # 每 10 篇提交一次，避免长时间事务
+        if stats["summarized"] % 10 == 0:
+            db.commit()
+
+    db.commit()
+    logger.info(
+        "摘要任务完成: fetched=%d, created=%d, summarized=%d",
+        stats["fetched"], stats["created"], stats["summarized"]
+    )
+    return stats
diff --git a/app/tagger.py b/app/tagger.py
new file mode 100644
index 0000000..9ee530b
--- /dev/null
+++ b/app/tagger.py
@@ -0,0 +1,116 @@
+"""基于规则给文章分类、打标签"""
+import logging
+import re
+from typing import List, Dict, Any, Tuple
+
+from sqlalchemy.orm import Session
+
+from models import EnrichedArticle, Taxonomy
+
+logger = logging.getLogger(__name__)
+
+
+def _normalize(text: str) -> str:
+    """规范化文本用于关键词匹配"""
+    if not text:
+        return ""
+    # 去除多余空白，统一小写
+    text = " ".join(text.split())
+    return text.lower()
+
+
+def _count_matches(text: str, keywords: List[str]) -> int:
+    """统计关键词在文本中的命中次数（不区分大小写）"""
+    if not text or not keywords:
+        return 0
+    text_norm = _normalize(text)
+    count = 0
+    for kw in keywords:
+        if not kw:
+            continue
+        kw_norm = _normalize(kw)
+        # 简单子串匹配；中文关键词也适用
+        count += text_norm.count(kw_norm)
+    return count
+
+
+def classify_article(article: EnrichedArticle, categories: List[Taxonomy]) -> str:
+    """为文章选择最匹配的分类"""
+    text = " ".join([
+        article.title or "",
+        article.ai_summary or article.original_summary or "",
+        article.content or "",
+    ])
+
+    best_category = ""
+    best_score = 0
+
+    for cat in categories:
+        score = _count_matches(text, cat.keywords or [])
+        # 如果文章来自某个 Feed 分类，给予少量加成
+        if article.feed_category and article.feed_category == cat.name:
+            score += 2
+        if score > best_score:
+            best_score = score
+            best_category = cat.name
+
+    # 若完全没有命中，回退到源分类
+    if not best_category and article.feed_category:
+        best_category = article.feed_category
+
+    if not best_category:
+        best_category = "未分类"
+
+    return best_category
+
+
+def tag_article(article: EnrichedArticle, tags: List[Taxonomy]) -> List[str]:
+    """为文章打上命中的标签"""
+    text = " ".join([
+        article.title or "",
+        article.ai_summary or article.original_summary or "",
+        article.content or "",
+    ])
+
+    matched = []
+    for tag in tags:
+        if _count_matches(text, tag.keywords or []) > 0:
+            matched.append(tag.name)
+
+    # 去重并保持顺序
+    return list(dict.fromkeys(matched))
+
+
+def tag_articles(db: Session, article_ids: List[int] = None) -> int:
+    """
+    对文章进行分类和打标签。
+    若指定 article_ids 则只处理这些文章；否则处理所有未分类或没有标签的文章。
+    返回处理数量。
+    """
+    categories = db.query(Taxonomy).filter(Taxonomy.kind == "category").all()
+    tags = db.query(Taxonomy).filter(Taxonomy.kind == "tag").all()
+
+    if not categories:
+        logger.warning("taxonomy 中无 category 数据，跳过分类")
+        return 0
+
+    query = db.query(EnrichedArticle)
+    if article_ids:
+        query = query.filter(EnrichedArticle.id.in_(article_ids))
+    else:
+        query = query.filter(
+            (EnrichedArticle.category == "") | (EnrichedArticle.category == None)
+        )
+
+    articles = query.all()
+    count = 0
+    for article in articles:
+        article.category = classify_article(article, categories)
+        article.tags = tag_article(article, tags)
+        count += 1
+        if count % 50 == 0:
+            db.commit()
+
+    db.commit()
+    logger.info("分类/打标签完成: %d 篇文章", count)
+    return count
diff --git a/app/taxonomy.py b/app/taxonomy.py
new file mode 100644
index 0000000..a67c4af
--- /dev/null
+++ b/app/taxonomy.py
@@ -0,0 +1,140 @@
+"""分类/标签/打分规则体系的初始化与维护"""
+import json
+import logging
+from typing import List, Dict, Any
+
+from sqlalchemy.orm import Session
+
+from app.ai_client import ai_client
+from app.rss_client import rss_client
+from models import Taxonomy
+
+logger = logging.getLogger(__name__)
+
+
+TAXONOMY_SYSTEM_PROMPT = """你是一位专业的信息分类与内容分析专家。
+请根据用户提供的 RSS 文章样本，生成一套适合的中文内容分类体系、标签体系和打分规则。
+
+输出必须是合法的 JSON，格式如下：
+{
+  "categories": [
+    {"name": "科技", "description": "人工智能、芯片、互联网、软件等", "keywords": ["AI", "芯片", "大模型", ...]}
+  ],
+  "tags": [
+    {"name": "人工智能", "description": "...", "keywords": ["AI", "人工智能", "大模型", ...]}
+  ],
+  "heat_rules": [
+    {"name": "热点事件", "keywords": ["突发", "重磅", "刚刚", "发布"], "weight": 1.5}
+  ],
+  "importance_rules": [
+    {"name": "政策法规", "keywords": ["政策", "监管", "法规", "征求意见"], "weight": 1.5}
+  ],
+  "duplication_indicators": [
+    {"name": "同一事件", "keywords": ["宣布", "发布", "推出"], "weight": 1.0}
+  ]
+}
+
+要求：
+1. categories 数量控制在 8-12 个，覆盖科技、财经、新闻、设计、生活等常见 RSS 主题。
+2. tags 数量控制在 30-50 个，尽量细化但避免过度重叠。
+3. heat_rules 和 importance_rules 各 10-20 条，weight 范围 0.5-2.0。
+4. 所有 keywords 用中文或中英双语，便于后续关键词匹配。
+5. 不要输出任何解释文字，只输出 JSON。
+"""
+
+
+def _build_sample_prompt(articles: List[Dict[str, Any]]) -> str:
+    lines = [f"共有 {len(articles)} 篇文章样本："]
+    for idx, art in enumerate(articles[:50], 1):
+        title = art.get("title", "")
+        summary = art.get("summary", "") or art.get("content", "")[:300]
+        feed = art.get("feed_title", "")
+        cat = art.get("category", "")
+        lines.append(f"\n[{idx}] 标题：{title}")
+        lines.append(f"    来源：{feed} | 源分类：{cat}")
+        lines.append(f"    摘要：{summary[:400]}")
+    return "\n".join(lines)
+
+
+def bootstrap_taxonomy(db: Session, force: bool = False) -> bool:
+    """
+    初始化分类/标签/打分规则。
+    若 force=True 则清空后重建；否则仅在表为空时初始化。
+    """
+    existing = db.query(Taxonomy).first()
+    if existing and not force:
+        logger.info("taxonomy 表已存在，跳过初始化")
+        return False
+
+    if force:
+        db.query(Taxonomy).delete()
+        db.commit()
+        logger.info("强制重新初始化 taxonomy")
+
+    logger.info("开始从 rssKeeper 拉取样本文章并生成分类体系...")
+    articles = rss_client.fetch_recent(hours=24 * 7, limit=200)
+    if not articles:
+        logger.warning("未获取到样本文章，无法生成分类体系")
+        return False
+
+    user_prompt = _build_sample_prompt(articles)
+    try:
+        result = ai_client.chat_completion_json(
+            system_prompt=TAXONOMY_SYSTEM_PROMPT,
+            user_prompt=user_prompt,
+            temperature=0.5,
+        )
+    except Exception as exc:
+        logger.error("生成分类体系失败: %s", exc)
+        return False
+
+    _save_taxonomy(db, result)
+    logger.info("taxonomy 初始化完成，共写入 %d 条规则", db.query(Taxonomy).count())
+    return True
+
+
+def _save_taxonomy(db: Session, data: Dict[str, Any]) -> None:
+    """把 LLM 返回的分类体系写入数据库"""
+
+    def _add(kind: str, items: List[Dict[str, Any]], default_weight: float = 1.0):
+        for item in items:
+            name = item.get("name", "").strip()
+            if not name:
+                continue
+            keywords = item.get("keywords", [])
+            if isinstance(keywords, str):
+                keywords = [keywords]
+            db.add(
+                Taxonomy(
+                    name=name,
+                    kind=kind,
+                    description=item.get("description", ""),
+                    keywords=keywords,
+                    weight=float(item.get("weight", default_weight)),
+                    created_by_ai=True,
+                )
+            )
+
+    _add("category", data.get("categories", []))
+    _add("tag", data.get("tags", []))
+    _add("heat_rule", data.get("heat_rules", []), default_weight=1.0)
+    _add("importance_rule", data.get("importance_rules", []), default_weight=1.0)
+    _add("duplication_rule", data.get("duplication_indicators", []), default_weight=1.0)
+
+    db.commit()
+
+
+def ensure_taxonomy(db: Session) -> bool:
+    """确保 taxonomy 表非空，若为空则触发初始化"""
+    existing = db.query(Taxonomy).first()
+    if existing:
+        return True
+    return bootstrap_taxonomy(db)
+
+
+def list_taxonomy(db: Session, kind: str = None) -> List[Taxonomy]:
+    """列出分类体系规则"""
+    query = db.query(Taxonomy)
+    if kind:
+        query = query.filter(Taxonomy.kind == kind)
+    return query.order_by(Taxonomy.kind, Taxonomy.name).all()
diff --git a/config.py b/config.py
new file mode 100644
index 0000000..bf1fa2d
--- /dev/null
+++ b/config.py
@@ -0,0 +1,66 @@
+"""配置管理 - 环境变量 + 默认值"""
+import os
+from pathlib import Path
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+
+class Settings(BaseSettings):
+    """应用配置"""
+
+    model_config = SettingsConfigDict(env_file=".env", env_file_encoding="utf-8", extra="ignore")
+
+    # RSSKeeper 连接
+    RSSKEEPER_BASE_URL: str = "http://localhost:7329"
+
+    # LLM API（兼容 OpenAI 格式）
+    OPENAI_API_KEY: str = ""
+    OPENAI_BASE_URL: str = "https://api.openai.com/v1"
+    OPENAI_MODEL: str = "gpt-4o-mini"
+    OPENAI_TIMEOUT: int = 60
+    OPENAI_MAX_RETRIES: int = 3
+
+    # dataClean 数据目录
+    DATA_DIR: Path = Path("/app/data")
+    DATABASE_URL: str = "/app/data/dataclean.db"
+
+    # 简报输出目录
+    BRIEF_OUTPUT_DIR: Path = Path("/app/data/briefs")
+
+    # 调度时间（分钟）
+    SUMMARIZE_INTERVAL_MINUTES: int = 60
+    TAG_SCORE_INTERVAL_MINUTES: int = 1440
+    DAILY_BRIEF_HOUR: int = 8
+    DAILY_BRIEF_MINUTE: int = 0
+
+    # 去重阈值
+    TITLE_SIMILARITY_THRESHOLD: float = 0.85
+    CONTENT_SIMILARITY_THRESHOLD: float = 0.80
+
+    # 摘要长度
+    MAX_AI_SUMMARY_LENGTH: int = 300
+    MIN_ORIGINAL_SUMMARY_LENGTH: int = 100
+
+    # 每篇简报每个分类显示文章数
+    BRIEF_TOP_N_PER_CATEGORY: int = 10
+
+    # 日志级别
+    LOG_LEVEL: str = "INFO"
+
+    # Web UI / API 安全
+    # 为空时不启用 API Token 鉴权（仅建议在内网使用）；生产环境请设置强密码
+    API_TOKEN: str = ""
+    # CORS 允许来源，逗号分隔；生产环境请填写具体域名，如 "https://dataclean.example.com"
+    CORS_ALLOWED_ORIGINS: str = ""
+
+    @property
+    def database_path(self) -> str:
+        """返回 SQLite 数据库路径"""
+        return str(Path(self.DATABASE_URL))
+
+    @property
+    def brief_output_dir_path(self) -> Path:
+        """返回简报输出目录"""
+        return self.BRIEF_OUTPUT_DIR
+
+
+settings = Settings()
diff --git a/database.py b/database.py
new file mode 100644
index 0000000..93c5c81
--- /dev/null
+++ b/database.py
@@ -0,0 +1,39 @@
+"""数据库连接与初始化"""
+from pathlib import Path
+
+from sqlalchemy import create_engine, event
+from sqlalchemy.orm import sessionmaker, declarative_base
+
+from config import settings
+
+engine = create_engine(
+    f"sqlite:///{settings.database_path}",
+    connect_args={"check_same_thread": False},
+    echo=False,
+)
+
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+Base = declarative_base()
+
+
+@event.listens_for(engine, "connect")
+def _set_sqlite_pragma(dbapi_conn, connection_record):
+    """启用 SQLite 外键约束"""
+    cursor = dbapi_conn.cursor()
+    cursor.execute("PRAGMA foreign_keys=ON")
+    cursor.close()
+
+
+def get_db():
+    """FastAPI 依赖注入用数据库会话"""
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
+
+
+def init_db():
+    """创建所有数据表，并确保数据库目录存在"""
+    Path(settings.DATABASE_URL).parent.mkdir(parents=True, exist_ok=True)
+    Base.metadata.create_all(bind=engine)
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..0034910
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,19 @@
+services:
+  dataclean:
+    build: .
+    container_name: dataclean
+    ports:
+      - "7331:7331"
+    volumes:
+      - ./data:/app/data
+    env_file:
+      - .env
+    restart: unless-stopped
+    environment:
+      - TZ=Asia/Shanghai
+    networks:
+      - dataclean-net
+
+networks:
+  dataclean-net:
+    driver: bridge
diff --git a/frontend/index.html b/frontend/index.html
new file mode 100644
index 0000000..49e3163
--- /dev/null
+++ b/frontend/index.html
@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+  <head>
+    <meta charset="UTF-8" />
+    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>dataClean - RSS 数据清洗</title>
+  </head>
+  <body>
+    <div id="app"></div>
+    <script type="module" src="/src/main.js"></script>
+  </body>
+</html>
diff --git a/frontend/package-lock.json b/frontend/package-lock.json
new file mode 100644
index 0000000..97d2136
--- /dev/null
+++ b/frontend/package-lock.json
@@ -0,0 +1,1628 @@
+{
+  "name": "dataclean-frontend",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "dataclean-frontend",
+      "version": "1.0.0",
+      "dependencies": {
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+        "axios": "^1.6.8",
+        "element-plus": "^2.6.3",
+        "vue": "^3.4.21",
+        "vue-router": "^4.3.0"
+      },
+      "devDependencies": {
+        "@vitejs/plugin-vue": "^5.0.4",
+        "vite": "^5.2.0"
+      }
+    },
+    "node_modules/@babel/helper-string-parser": {
+      "version": "7.29.7",
+      "resolved": "https://registry.npmmirror.com/@babel/helper-string-parser/-/helper-string-parser-7.29.7.tgz",
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+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
+    "node_modules/@babel/helper-validator-identifier": {
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+      "resolved": "https://registry.npmmirror.com/@babel/helper-validator-identifier/-/helper-validator-identifier-7.29.7.tgz",
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+      },
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+      },
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+    },
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+      "funding": [
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/postcss/"
+        },
+        {
+          "type": "tidelift",
+          "url": "https://tidelift.com/funding/github/npm/postcss"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/ai"
+        }
+      ],
+      "dependencies": {
+        "nanoid": "^3.3.12",
+        "picocolors": "^1.1.1",
+        "source-map-js": "^1.2.1"
+      },
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+    },
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+      "resolved": "https://registry.npmmirror.com/rollup/-/rollup-4.61.1.tgz",
+      "integrity": "sha512-I4KW6iuRpuu2uHBLraZ1wNZe0DP7lnRha+VJ9tNaYVaVgKhW0aI3h4RYnoRPeql0flHm/Co55b7snEDcOfOJrA==",
+      "dev": true,
+      "dependencies": {
+        "@types/estree": "1.0.9"
+      },
+      "bin": {
+        "rollup": "dist/bin/rollup"
+      },
+      "engines": {
+        "node": ">=18.0.0",
+        "npm": ">=8.0.0"
+      },
+      "optionalDependencies": {
+        "@rollup/rollup-android-arm-eabi": "4.61.1",
+        "@rollup/rollup-android-arm64": "4.61.1",
+        "@rollup/rollup-darwin-arm64": "4.61.1",
+        "@rollup/rollup-darwin-x64": "4.61.1",
+        "@rollup/rollup-freebsd-arm64": "4.61.1",
+        "@rollup/rollup-freebsd-x64": "4.61.1",
+        "@rollup/rollup-linux-arm-gnueabihf": "4.61.1",
+        "@rollup/rollup-linux-arm-musleabihf": "4.61.1",
+        "@rollup/rollup-linux-arm64-gnu": "4.61.1",
+        "@rollup/rollup-linux-arm64-musl": "4.61.1",
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+      }
+    },
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+      "resolved": "https://registry.npmmirror.com/vite/-/vite-5.4.21.tgz",
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+      "dependencies": {
+        "esbuild": "^0.21.3",
+        "postcss": "^8.4.43",
+        "rollup": "^4.20.0"
+      },
+      "bin": {
+        "vite": "bin/vite.js"
+      },
+      "engines": {
+        "node": "^18.0.0 || >=20.0.0"
+      },
+      "funding": {
+        "url": "https://github.com/vitejs/vite?sponsor=1"
+      },
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+        "fsevents": "~2.3.3"
+      },
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+        "@types/node": "^18.0.0 || >=20.0.0",
+        "less": "*",
+        "lightningcss": "^1.21.0",
+        "sass": "*",
+        "sass-embedded": "*",
+        "stylus": "*",
+        "sugarss": "*",
+        "terser": "^5.4.0"
+      },
+      "peerDependenciesMeta": {
+        "@types/node": {
+          "optional": true
+        },
+        "less": {
+          "optional": true
+        },
+        "lightningcss": {
+          "optional": true
+        },
+        "sass": {
+          "optional": true
+        },
+        "sass-embedded": {
+          "optional": true
+        },
+        "stylus": {
+          "optional": true
+        },
+        "sugarss": {
+          "optional": true
+        },
+        "terser": {
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+        }
+      }
+    },
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+      "resolved": "https://registry.npmmirror.com/vue/-/vue-3.5.38.tgz",
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+      "dependencies": {
+        "@vue/compiler-dom": "3.5.38",
+        "@vue/compiler-sfc": "3.5.38",
+        "@vue/runtime-dom": "3.5.38",
+        "@vue/server-renderer": "3.5.38",
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+        "typescript": "*"
+      },
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+        "typescript": {
+          "optional": true
+        }
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+    },
+    "node_modules/vue-component-type-helpers": {
+      "version": "3.3.4",
+      "resolved": "https://registry.npmmirror.com/vue-component-type-helpers/-/vue-component-type-helpers-3.3.4.tgz",
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+    },
+    "node_modules/vue-router": {
+      "version": "4.6.4",
+      "resolved": "https://registry.npmmirror.com/vue-router/-/vue-router-4.6.4.tgz",
+      "integrity": "sha512-Hz9q5sa33Yhduglwz6g9skT8OBPii+4bFn88w6J+J4MfEo4KRRpmiNG/hHHkdbRFlLBOqxN8y8gf2Fb0MTUgVg==",
+      "dependencies": {
+        "@vue/devtools-api": "^6.6.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/posva"
+      },
+      "peerDependencies": {
+        "vue": "^3.5.0"
+      }
+    }
+  }
+}
diff --git a/frontend/package.json b/frontend/package.json
new file mode 100644
index 0000000..502b563
--- /dev/null
+++ b/frontend/package.json
@@ -0,0 +1,22 @@
+{
+  "name": "dataclean-frontend",
+  "private": true,
+  "version": "1.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite --host 0.0.0.0",
+    "build": "vite build",
+    "preview": "vite preview"
+  },
+  "dependencies": {
+    "vue": "^3.4.21",
+    "vue-router": "^4.3.0",
+    "element-plus": "^2.6.3",
+    "@element-plus/icons-vue": "^2.3.1",
+    "axios": "^1.6.8"
+  },
+  "devDependencies": {
+    "@vitejs/plugin-vue": "^5.0.4",
+    "vite": "^5.2.0"
+  }
+}
diff --git a/frontend/src/App.vue b/frontend/src/App.vue
new file mode 100644
index 0000000..32ca499
--- /dev/null
+++ b/frontend/src/App.vue
@@ -0,0 +1,125 @@
+<template>
+  <el-container class="layout-container">
+    <el-aside width="220px">
+      <div class="logo">
+        <el-icon size="28"><DataLine /></el-icon>
+        <span>dataClean</span>
+      </div>
+      <el-menu
+        :default-active="$route.path"
+        router
+        background-color="transparent"
+        text-color="#a0a0a0"
+        active-text-color="#409eff"
+      >
+        <el-menu-item index="/dashboard">
+          <el-icon><Odometer /></el-icon>
+          <span>仪表盘</span>
+        </el-menu-item>
+        <el-menu-item index="/articles">
+          <el-icon><Document /></el-icon>
+          <span>文章列表</span>
+        </el-menu-item>
+        <el-menu-item index="/briefs">
+          <el-icon><Collection /></el-icon>
+          <span>每日简报</span>
+        </el-menu-item>
+        <el-menu-item index="/taxonomy">
+          <el-icon><CollectionTag /></el-icon>
+          <span>分类体系</span>
+        </el-menu-item>
+        <el-menu-item index="/tasks">
+          <el-icon><Timer /></el-icon>
+          <span>任务管理</span>
+        </el-menu-item>
+        <el-menu-item index="/settings">
+          <el-icon><Setting /></el-icon>
+          <span>系统配置</span>
+        </el-menu-item>
+      </el-menu>
+    </el-aside>
+
+    <el-container>
+      <el-header class="top-header" height="60px">
+        <div class="header-right">
+          <el-input
+            v-model="apiTokenInput"
+            placeholder="API Token（未设置可留空）"
+            size="small"
+            show-password
+            style="width: 260px;"
+            @keyup.enter="saveToken"
+          />
+          <el-button size="small" type="primary" @click="saveToken">
+            {{ hasToken ? '更新 Token' : '设置 Token' }}
+          </el-button>
+        </div>
+      </el-header>
+      <el-main>
+        <router-view />
+      </el-main>
+    </el-container>
+  </el-container>
+</template>
+
+<script setup>
+import { ref, onMounted } from 'vue'
+import { ElMessage } from 'element-plus'
+import { DataLine, Odometer, Document, Collection, CollectionTag, Timer, Setting } from '@element-plus/icons-vue'
+import { getApiToken, setApiToken } from '@/api'
+
+const apiTokenInput = ref('')
+const hasToken = ref(false)
+
+onMounted(() => {
+  apiTokenInput.value = getApiToken()
+  hasToken.value = !!apiTokenInput.value
+})
+
+const saveToken = () => {
+  setApiToken(apiTokenInput.value.trim())
+  hasToken.value = !!apiTokenInput.value.trim()
+  ElMessage.success('API Token 已保存')
+}
+</script>
+
+<style scoped>
+.layout-container {
+  height: 100vh;
+}
+
+.logo {
+  height: 60px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 10px;
+  font-size: 20px;
+  font-weight: 600;
+  color: #409eff;
+  border-bottom: 1px solid var(--dc-border);
+}
+
+.top-header {
+  display: flex;
+  align-items: center;
+  justify-content: flex-end;
+  border-bottom: 1px solid var(--dc-border);
+  background-color: var(--dc-card-bg);
+}
+
+.header-right {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+}
+
+.el-menu-item {
+  height: 50px;
+  line-height: 50px;
+}
+
+.el-menu-item .el-icon {
+  margin-right: 8px;
+}
+</style>
diff --git a/frontend/src/api/index.js b/frontend/src/api/index.js
new file mode 100644
index 0000000..3850caf
--- /dev/null
+++ b/frontend/src/api/index.js
@@ -0,0 +1,74 @@
+import axios from 'axios'
+
+const API_TOKEN_KEY = 'dataclean_api_token'
+
+const api = axios.create({
+  baseURL: '/api',
+  timeout: 30000,
+})
+
+export function getApiToken() {
+  return localStorage.getItem(API_TOKEN_KEY) || ''
+}
+
+export function setApiToken(token) {
+  if (token) {
+    localStorage.setItem(API_TOKEN_KEY, token)
+  } else {
+    localStorage.removeItem(API_TOKEN_KEY)
+  }
+}
+
+api.interceptors.request.use((config) => {
+  const token = getApiToken()
+  if (token) {
+    config.headers.Authorization = `Bearer ${token}`
+  }
+  return config
+})
+
+api.interceptors.response.use(
+  (response) => response.data,
+  (error) => {
+    const status = error.response?.status
+    const detail = error.response?.data?.detail || error.message || '请求失败'
+    if (status === 401 || status === 403) {
+      return Promise.reject(new Error(`${detail}，请检查 API Token 是否设置正确`))
+    }
+    return Promise.reject(new Error(detail))
+  }
+)
+
+export default api
+
+export const datacleanApi = {
+  // 健康检查
+  health: () => axios.get('/health').then((r) => r.data),
+
+  // 仪表盘
+  getStats: () => api.get('/stats'),
+
+  // 文章
+  getArticles: (params) => api.get('/articles', { params }),
+  getArticle: (id) => api.get(`/articles/${id}`),
+
+  // 简报
+  getBriefs: (params) => api.get('/briefs', { params }),
+  getBrief: (date) => api.get(`/briefs/${date}`),
+  regenerateBrief: (date) => api.post(`/briefs/${date}/regenerate`),
+
+  // 分类体系
+  getTaxonomy: (kind) => api.get('/taxonomy', { params: kind ? { kind } : {} }),
+  bootstrapTaxonomy: (force = false) => api.post(`/taxonomy/bootstrap?force=${force}`),
+
+  // 任务
+  summarize: () => api.post('/tasks/summarize'),
+  tagScoreDedup: () => api.post('/tasks/tag-score-dedup'),
+  generateBrief: () => api.post('/tasks/brief'),
+
+  // 配置
+  getSettings: () => api.get('/settings'),
+  updateSetting: (key, value) => api.put(`/settings/${key}`, { value }),
+  updateSettingsBatch: (settings) => api.put('/settings', { settings }),
+  resetSettings: () => api.post('/settings/reset'),
+}
diff --git a/frontend/src/main.js b/frontend/src/main.js
new file mode 100644
index 0000000..932f782
--- /dev/null
+++ b/frontend/src/main.js
@@ -0,0 +1,20 @@
+import { createApp } from 'vue'
+import ElementPlus from 'element-plus'
+import * as ElementPlusIconsVue from '@element-plus/icons-vue'
+import 'element-plus/dist/index.css'
+import 'element-plus/theme-chalk/dark/css-vars.css'
+
+import App from './App.vue'
+import router from './router'
+import './style.css'
+
+const app = createApp(App)
+
+app.use(ElementPlus)
+app.use(router)
+
+for (const [key, component] of Object.entries(ElementPlusIconsVue)) {
+  app.component(key, component)
+}
+
+app.mount('#app')
diff --git a/frontend/src/router/index.js b/frontend/src/router/index.js
new file mode 100644
index 0000000..c4b1dd1
--- /dev/null
+++ b/frontend/src/router/index.js
@@ -0,0 +1,28 @@
+import { createRouter, createWebHistory } from 'vue-router'
+import Dashboard from '@/views/Dashboard.vue'
+import Articles from '@/views/Articles.vue'
+import ArticleDetail from '@/views/ArticleDetail.vue'
+import Briefs from '@/views/Briefs.vue'
+import BriefDetail from '@/views/BriefDetail.vue'
+import Taxonomy from '@/views/Taxonomy.vue'
+import Tasks from '@/views/Tasks.vue'
+import Settings from '@/views/Settings.vue'
+
+const routes = [
+  { path: '/', redirect: '/dashboard' },
+  { path: '/dashboard', name: 'Dashboard', component: Dashboard },
+  { path: '/articles', name: 'Articles', component: Articles },
+  { path: '/articles/:id', name: 'ArticleDetail', component: ArticleDetail, props: true },
+  { path: '/briefs', name: 'Briefs', component: Briefs },
+  { path: '/briefs/:date', name: 'BriefDetail', component: BriefDetail, props: true },
+  { path: '/taxonomy', name: 'Taxonomy', component: Taxonomy },
+  { path: '/tasks', name: 'Tasks', component: Tasks },
+  { path: '/settings', name: 'Settings', component: Settings },
+]
+
+const router = createRouter({
+  history: createWebHistory(),
+  routes,
+})
+
+export default router
diff --git a/frontend/src/style.css b/frontend/src/style.css
new file mode 100644
index 0000000..e51a526
--- /dev/null
+++ b/frontend/src/style.css
@@ -0,0 +1,164 @@
+:root {
+  --dc-bg: #0f0f23;
+  --dc-card-bg: #1a1a2e;
+  --dc-border: #2d2d44;
+  --dc-text: #e0e0e0;
+  --dc-text-secondary: #a0a0a0;
+  --dc-primary: #409eff;
+  --dc-success: #67c23a;
+  --dc-warning: #e6a23c;
+  --dc-danger: #f56c6c;
+}
+
+* {
+  margin: 0;
+  padding: 0;
+  box-sizing: border-box;
+}
+
+body {
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
+  background-color: var(--dc-bg);
+  color: var(--dc-text);
+}
+
+.page-title {
+  font-size: 24px;
+  font-weight: 600;
+  margin-bottom: 20px;
+  color: var(--dc-text);
+}
+
+.stat-card {
+  background: var(--dc-card-bg);
+  border: 1px solid var(--dc-border);
+  border-radius: 8px;
+  padding: 20px;
+  transition: transform 0.2s;
+}
+
+.stat-card:hover {
+  transform: translateY(-2px);
+}
+
+.stat-value {
+  font-size: 28px;
+  font-weight: 700;
+  color: var(--dc-primary);
+}
+
+.stat-label {
+  font-size: 14px;
+  color: var(--dc-text-secondary);
+  margin-top: 8px;
+}
+
+.dark-card {
+  background: var(--dc-card-bg) !important;
+  border: 1px solid var(--dc-border) !important;
+  color: var(--dc-text) !important;
+}
+
+.dark-card .el-card__header {
+  border-bottom: 1px solid var(--dc-border) !important;
+  color: var(--dc-text) !important;
+}
+
+.daily-bar-wrap {
+  display: flex;
+  align-items: flex-end;
+  gap: 8px;
+  height: 120px;
+  padding: 10px 0;
+}
+
+.daily-bar {
+  flex: 1;
+  background: linear-gradient(to top, var(--dc-primary), #66b1ff);
+  border-radius: 4px 4px 0 0;
+  min-width: 20px;
+  position: relative;
+  transition: opacity 0.2s;
+}
+
+.daily-bar:hover {
+  opacity: 0.8;
+}
+
+.daily-bar-label {
+  position: absolute;
+  bottom: -20px;
+  left: 50%;
+  transform: translateX(-50%);
+  font-size: 12px;
+  color: var(--dc-text-secondary);
+  white-space: nowrap;
+}
+
+.daily-bar-value {
+  position: absolute;
+  top: -20px;
+  left: 50%;
+  transform: translateX(-50%);
+  font-size: 12px;
+  color: var(--dc-text);
+}
+
+.score-progress {
+  margin-top: 8px;
+}
+
+.score-progress .el-progress-bar__outer {
+  background-color: rgba(255, 255, 255, 0.1) !important;
+}
+
+.article-link {
+  color: var(--dc-primary);
+  text-decoration: none;
+}
+
+.article-link:hover {
+  text-decoration: underline;
+}
+
+.tag-item {
+  margin-right: 6px;
+  margin-bottom: 4px;
+}
+
+/* Element Plus 暗色覆盖 */
+.el-menu {
+  border-right: none !important;
+  background-color: transparent !important;
+}
+
+.el-aside {
+  background-color: var(--dc-card-bg) !important;
+  border-right: 1px solid var(--dc-border) !important;
+}
+
+.el-container {
+  background-color: var(--dc-bg) !important;
+}
+
+.el-main {
+  background-color: var(--dc-bg) !important;
+}
+
+.el-table {
+  background-color: transparent !important;
+}
+
+.el-table th,
+.el-table tr {
+  background-color: transparent !important;
+}
+
+.el-table--enable-row-hover .el-table__body tr:hover > td {
+  background-color: rgba(64, 158, 255, 0.1) !important;
+}
+
+.el-input__wrapper,
+.el-textarea__inner {
+  background-color: rgba(255, 255, 255, 0.05) !important;
+}
diff --git a/frontend/src/views/ArticleDetail.vue b/frontend/src/views/ArticleDetail.vue
new file mode 100644
index 0000000..c6462cc
--- /dev/null
+++ b/frontend/src/views/ArticleDetail.vue
@@ -0,0 +1,163 @@
+<template>
+  <div v-loading="loading">
+    <el-page-header @back="$router.push('/articles')" title="文章详情" />
+
+    <el-card v-if="article" class="dark-card" style="margin-top: 20px;">
+      <template #header>
+        <div class="article-header">
+          <h2>{{ article.title }}</h2>
+          <div class="article-meta">
+            <span><el-icon><OfficeBuilding /></el-icon> {{ article.feed_title }}</span>
+            <span v-if="article.author"><el-icon><User /></el-icon> {{ article.author }}</span>
+            <span><el-icon><Timer /></el-icon> {{ article.published_at }}</span>
+            <el-tag v-if="article.is_representative" type="success">重复组代表</el-tag>
+          </div>
+        </div>
+      </template>
+
+      <div class="article-section">
+        <h3>AI 摘要</h3>
+        <p v-if="article.ai_summary" class="ai-summary">{{ article.ai_summary }}</p>
+        <p v-else class="no-data">暂无 AI 摘要</p>
+      </div>
+
+      <div class="article-section">
+        <h3>标签与分类</h3>
+        <div>
+          <span class="section-label">分类：</span>
+          <el-tag type="primary" size="large">{{ article.category }}</el-tag>
+        </div>
+        <div style="margin-top: 10px;">
+          <span class="section-label">标签：</span>
+          <el-tag v-for="tag in article.tags" :key="tag" class="tag-item" type="info">{{ tag }}</el-tag>
+        </div>
+      </div>
+
+      <div class="article-section">
+        <h3>评分</h3>
+        <el-row :gutter="20">
+          <el-col :span="6" v-for="score in scoreList" :key="score.label">
+            <div class="score-item">
+              <div class="score-label">{{ score.label }}</div>
+              <div class="score-value">{{ score.value.toFixed(1) }}</div>
+              <el-progress :percentage="Math.round(score.value)" :color="score.color" class="score-progress" />
+            </div>
+          </el-col>
+        </el-row>
+      </div>
+
+      <div class="article-section" v-if="article.link">
+        <h3>原文链接</h3>
+        <a :href="article.link" target="_blank" class="article-link">{{ article.link }}</a>
+      </div>
+    </el-card>
+  </div>
+</template>
+
+<script setup>
+import { ref, computed, onMounted } from 'vue'
+import { ElMessage } from 'element-plus'
+import { datacleanApi } from '@/api'
+import { OfficeBuilding, User, Timer } from '@element-plus/icons-vue'
+
+const props = defineProps({
+  id: {
+    type: String,
+    required: true,
+  },
+})
+
+const loading = ref(false)
+const article = ref(null)
+
+const scoreList = computed(() => {
+  if (!article.value) return []
+  return [
+    { label: '热度', value: article.value.heat_score, color: '#f56c6c' },
+    { label: '重要性', value: article.value.importance_score, color: '#e6a23c' },
+    { label: '重复度', value: article.value.duplication_score, color: '#67c23a' },
+    { label: '综合分', value: article.value.composite_score, color: '#409eff' },
+  ]
+})
+
+const loadArticle = async () => {
+  loading.value = true
+  try {
+    article.value = await datacleanApi.getArticle(props.id)
+  } catch (err) {
+    ElMessage.error(err.message)
+  } finally {
+    loading.value = false
+  }
+}
+
+onMounted(loadArticle)
+</script>
+
+<style scoped>
+.article-header h2 {
+  margin-bottom: 12px;
+  color: var(--dc-text);
+}
+
+.article-meta {
+  display: flex;
+  gap: 20px;
+  align-items: center;
+  color: var(--dc-text-secondary);
+  font-size: 14px;
+}
+
+.article-meta .el-icon {
+  margin-right: 4px;
+  vertical-align: middle;
+}
+
+.article-section {
+  margin-bottom: 24px;
+}
+
+.article-section h3 {
+  font-size: 16px;
+  margin-bottom: 12px;
+  color: var(--dc-text);
+  border-left: 4px solid var(--dc-primary);
+  padding-left: 10px;
+}
+
+.ai-summary {
+  line-height: 1.8;
+  color: var(--dc-text);
+  background: rgba(64, 158, 255, 0.1);
+  padding: 16px;
+  border-radius: 8px;
+}
+
+.no-data {
+  color: var(--dc-text-secondary);
+}
+
+.section-label {
+  color: var(--dc-text-secondary);
+  margin-right: 8px;
+}
+
+.score-item {
+  background: rgba(255, 255, 255, 0.03);
+  padding: 16px;
+  border-radius: 8px;
+  text-align: center;
+}
+
+.score-label {
+  color: var(--dc-text-secondary);
+  font-size: 14px;
+}
+
+.score-value {
+  font-size: 24px;
+  font-weight: 700;
+  margin: 8px 0;
+  color: var(--dc-text);
+}
+</style>
diff --git a/frontend/src/views/Articles.vue b/frontend/src/views/Articles.vue
new file mode 100644
index 0000000..55ac557
--- /dev/null
+++ b/frontend/src/views/Articles.vue
@@ -0,0 +1,117 @@
+<template>
+  <div>
+    <h1 class="page-title">文章列表</h1>
+
+    <el-card class="dark-card" style="margin-bottom: 20px;">
+      <el-form :inline="true" :model="filters">
+        <el-form-item label="日期">
+          <el-date-picker
+            v-model="filters.date"
+            type="date"
+            value-format="YYYY-MM-DD"
+            placeholder="选择日期"
+            clearable
+          />
+        </el-form-item>
+        <el-form-item label="分类">
+          <el-input v-model="filters.category" placeholder="分类" clearable />
+        </el-form-item>
+        <el-form-item label="标签">
+          <el-input v-model="filters.tag" placeholder="标签" clearable />
+        </el-form-item>
+        <el-form-item>
+          <el-checkbox v-model="filters.representative_only" label="仅看代表文章" />
+        </el-form-item>
+        <el-form-item>
+          <el-button type="primary" @click="loadArticles">查询</el-button>
+        </el-form-item>
+      </el-form>
+    </el-card>
+
+    <el-card class="dark-card">
+      <el-table :data="articles" v-loading="loading" style="width: 100%">
+        <el-table-column label="标题" min-width="280">
+          <template #default="{ row }">
+            <el-link @click="$router.push(`/articles/${row.id}`)" type="primary">{{ row.title }}</el-link>
+          </template>
+        </el-table-column>
+        <el-table-column prop="feed_title" label="来源" width="160" />
+        <el-table-column prop="category" label="分类" width="120" />
+        <el-table-column label="标签" min-width="180">
+          <template #default="{ row }">
+            <el-tag v-for="tag in row.tags" :key="tag" size="small" class="tag-item">{{ tag }}</el-tag>
+          </template>
+        </el-table-column>
+        <el-table-column label="热度" width="120">
+          <template #default="{ row }">
+            <el-progress :percentage="Math.round(row.heat_score)" :color="scoreColor" />
+          </template>
+        </el-table-column>
+        <el-table-column label="重要性" width="120">
+          <template #default="{ row }">
+            <el-progress :percentage="Math.round(row.importance_score)" :color="scoreColor" />
+          </template>
+        </el-table-column>
+        <el-table-column label="综合分" width="100">
+          <template #default="{ row }">
+            <el-tag :type="row.composite_score >= 60 ? 'danger' : row.composite_score >= 40 ? 'warning' : 'info'">
+              {{ row.composite_score.toFixed(1) }}
+            </el-tag>
+          </template>
+        </el-table-column>
+        <el-table-column prop="published_at" label="发布时间" width="180" />
+      </el-table>
+
+      <el-pagination
+        v-model:current-page="pagination.page"
+        v-model:page-size="pagination.size"
+        :total="pagination.total"
+        layout="total, prev, pager, next"
+        style="margin-top: 20px; justify-content: flex-end;"
+        @change="loadArticles"
+      />
+    </el-card>
+  </div>
+</template>
+
+<script setup>
+import { ref, reactive, onMounted } from 'vue'
+import { ElMessage } from 'element-plus'
+import { datacleanApi } from '@/api'
+
+const loading = ref(false)
+const articles = ref([])
+const filters = reactive({
+  date: '',
+  category: '',
+  tag: '',
+  representative_only: false,
+})
+const pagination = reactive({
+  page: 1,
+  size: 20,
+  total: 0,
+})
+
+const scoreColor = '#409eff'
+
+const loadArticles = async () => {
+  loading.value = true
+  try {
+    const params = {
+      limit: pagination.size,
+      offset: (pagination.page - 1) * pagination.size,
+      ...filters,
+    }
+    const res = await datacleanApi.getArticles(params)
+    articles.value = res.items || []
+    pagination.total = res.total || 0
+  } catch (err) {
+    ElMessage.error(err.message)
+  } finally {
+    loading.value = false
+  }
+}
+
+onMounted(loadArticles)
+</script>
diff --git a/frontend/src/views/BriefDetail.vue b/frontend/src/views/BriefDetail.vue
new file mode 100644
index 0000000..ac9519e
--- /dev/null
+++ b/frontend/src/views/BriefDetail.vue
@@ -0,0 +1,121 @@
+<template>
+  <div v-loading="loading">
+    <el-page-header @back="$router.push('/briefs')" title="简报详情" />
+
+    <el-card v-if="brief" class="dark-card" style="margin-top: 20px;">
+      <template #header>
+        <div class="brief-header">
+          <h2>{{ brief.brief_date }} 每日简报</h2>
+          <div class="brief-meta">
+            <el-tag type="info">原始文章：{{ brief.total_articles }}</el-tag>
+            <el-tag type="success">去重后：{{ brief.unique_articles }}</el-tag>
+          </div>
+        </div>
+      </template>
+
+      <el-collapse v-model="activeCategories">
+        <el-collapse-item
+          v-for="(articles, category) in brief.by_category"
+          :key="category"
+          :title="`${category} (${articles.length})`"
+          :name="category"
+        >
+          <div
+            v-for="article in articles"
+            :key="article.id"
+            class="brief-article"
+          >
+            <div class="brief-article-title">
+              <a :href="article.link" target="_blank" class="article-link">{{ article.title }}</a>
+              <span class="brief-article-feed">{{ article.feed_title }}</span>
+            </div>
+            <div class="brief-article-tags">
+              <el-tag v-for="tag in article.tags" :key="tag" size="small" class="tag-item">{{ tag }}</el-tag>
+              <el-tag size="small" type="warning">综合 {{ article.composite_score.toFixed(1) }}</el-tag>
+            </div>
+            <p v-if="article.summary" class="brief-article-summary">{{ article.summary }}</p>
+          </div>
+        </el-collapse-item>
+      </el-collapse>
+    </el-card>
+  </div>
+</template>
+
+<script setup>
+import { ref, onMounted } from 'vue'
+import { ElMessage } from 'element-plus'
+import { datacleanApi } from '@/api'
+
+const props = defineProps({
+  date: {
+    type: String,
+    required: true,
+  },
+})
+
+const loading = ref(false)
+const brief = ref(null)
+const activeCategories = ref([])
+
+const loadBrief = async () => {
+  loading.value = true
+  try {
+    brief.value = await datacleanApi.getBrief(props.date)
+    activeCategories.value = Object.keys(brief.value.by_category || {})
+  } catch (err) {
+    ElMessage.error(err.message)
+  } finally {
+    loading.value = false
+  }
+}
+
+onMounted(loadBrief)
+</script>
+
+<style scoped>
+.brief-header h2 {
+  margin-bottom: 10px;
+  color: var(--dc-text);
+}
+
+.brief-meta {
+  display: flex;
+  gap: 10px;
+}
+
+.brief-article {
+  padding: 16px 0;
+  border-bottom: 1px solid var(--dc-border);
+}
+
+.brief-article:last-child {
+  border-bottom: none;
+}
+
+.brief-article-title {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 8px;
+}
+
+.brief-article-title a {
+  font-size: 16px;
+  font-weight: 500;
+}
+
+.brief-article-feed {
+  color: var(--dc-text-secondary);
+  font-size: 13px;
+}
+
+.brief-article-tags {
+  margin-bottom: 8px;
+}
+
+.brief-article-summary {
+  color: var(--dc-text-secondary);
+  font-size: 14px;
+  line-height: 1.6;
+}
+</style>
diff --git a/frontend/src/views/Briefs.vue b/frontend/src/views/Briefs.vue
new file mode 100644
index 0000000..a4ca183
--- /dev/null
+++ b/frontend/src/views/Briefs.vue
@@ -0,0 +1,56 @@
+<template>
+  <div>
+    <h1 class="page-title">每日简报</h1>
+
+    <el-card class="dark-card">
+      <el-table :data="briefs" v-loading="loading">
+        <el-table-column prop="brief_date" label="日期" width="150" />
+        <el-table-column prop="total_articles" label="原始文章数" width="130" />
+        <el-table-column prop="unique_articles" label="去重后文章数" width="140" />
+        <el-table-column label="分类数">
+          <template #default="{ row }">
+            {{ Object.keys(row.by_category || {}).length }}
+          </template>
+        </el-table-column>
+        <el-table-column label="操作" width="200">
+          <template #default="{ row }">
+            <el-button size="small" @click="$router.push(`/briefs/${row.brief_date}`)">查看</el-button>
+            <el-button size="small" type="primary" @click="regenerate(row.brief_date)">重新生成</el-button>
+          </template>
+        </el-table-column>
+      </el-table>
+    </el-card>
+  </div>
+</template>
+
+<script setup>
+import { ref, onMounted } from 'vue'
+import { ElMessage } from 'element-plus'
+import { datacleanApi } from '@/api'
+
+const loading = ref(false)
+const briefs = ref([])
+
+const loadBriefs = async () => {
+  loading.value = true
+  try {
+    briefs.value = await datacleanApi.getBriefs({ limit: 50 })
+  } catch (err) {
+    ElMessage.error(err.message)
+  } finally {
+    loading.value = false
+  }
+}
+
+const regenerate = async (date) => {
+  try {
+    await datacleanApi.regenerateBrief(date)
+    ElMessage.success('简报重新生成成功')
+    loadBriefs()
+  } catch (err) {
+    ElMessage.error(err.message)
+  }
+}
+
+onMounted(loadBriefs)
+</script>
diff --git a/frontend/src/views/Dashboard.vue b/frontend/src/views/Dashboard.vue
new file mode 100644
index 0000000..265d7ee
--- /dev/null
+++ b/frontend/src/views/Dashboard.vue
@@ -0,0 +1,152 @@
+<template>
+  <div>
+    <h1 class="page-title">仪表盘</h1>
+
+    <!-- 统计卡片 -->
+    <el-row :gutter="20">
+      <el-col :span="6" v-for="stat in stats" :key="stat.label">
+        <div class="stat-card">
+          <div class="stat-value">{{ stat.value }}</div>
+          <div class="stat-label">{{ stat.label }}</div>
+        </div>
+      </el-col>
+    </el-row>
+
+    <!-- 分类分布 + 最近简报 -->
+    <el-row :gutter="20" style="margin-top: 20px;">
+      <el-col :span="16">
+        <el-card class="dark-card">
+          <template #header>
+            <span>分类分布</span>
+          </template>
+          <div v-if="categoryDistribution.length" class="daily-bar-wrap">
+            <div
+              v-for="item in categoryDistribution"
+              :key="item.category"
+              class="daily-bar"
+              :style="{ height: item.percentage + '%' }"
+              :title="`${item.category}: ${item.count}`"
+            >
+              <span class="daily-bar-value">{{ item.count }}</span>
+              <span class="daily-bar-label">{{ item.category }}</span>
+            </div>
+          </div>
+          <el-empty v-else description="暂无数据" />
+        </el-card>
+      </el-col>
+
+      <el-col :span="8">
+        <el-card class="dark-card">
+          <template #header>
+            <span>最近简报</span>
+          </template>
+          <el-timeline v-if="recentBriefs.length">
+            <el-timeline-item
+              v-for="brief in recentBriefs"
+              :key="brief.brief_date"
+              :timestamp="brief.brief_date"
+            >
+              <el-link @click="$router.push(`/briefs/${brief.brief_date}`)">
+                {{ brief.unique_articles }} 篇去重后文章 / {{ brief.total_articles }} 篇原始文章
+              </el-link>
+            </el-timeline-item>
+          </el-timeline>
+          <el-empty v-else description="暂无简报" />
+        </el-card>
+      </el-col>
+    </el-row>
+
+    <!-- 任务状态 -->
+    <el-row :gutter="20" style="margin-top: 20px;">
+      <el-col :span="24">
+        <el-card class="dark-card">
+          <template #header>
+            <span>定时任务状态</span>
+          </template>
+          <el-table :data="jobList" style="width: 100%">
+            <el-table-column prop="id" label="任务" />
+            <el-table-column prop="next_run" label="下次执行时间" />
+          </el-table>
+        </el-card>
+      </el-col>
+    </el-row>
+  </div>
+</template>
+
+<script setup>
+import { ref, computed, onMounted } from 'vue'
+import { ElMessage } from 'element-plus'
+import { datacleanApi } from '@/api'
+
+const statsData = ref({
+  total_articles: 0,
+  today_articles: 0,
+  ai_summarized: 0,
+  categories: 0,
+  tags: 0,
+  duplicate_groups: 0,
+  briefs: 0,
+  next_jobs: {},
+})
+const recentBriefs = ref([])
+const categoryDistribution = ref([])
+
+const stats = computed(() => [
+  { label: '总加工文章', value: statsData.value.total_articles },
+  { label: '今日文章', value: statsData.value.today_articles },
+  { label: 'AI 摘要覆盖', value: statsData.value.ai_summarized },
+  { label: '分类数', value: statsData.value.categories },
+  { label: '标签数', value: statsData.value.tags },
+  { label: '去重组数', value: statsData.value.duplicate_groups },
+  { label: '已生成简报', value: statsData.value.briefs },
+])
+
+const jobList = computed(() => {
+  return Object.entries(statsData.value.next_jobs || {}).map(([id, next_run]) => ({
+    id,
+    next_run: next_run || '未知',
+  }))
+})
+
+const loadData = async () => {
+  try {
+    const [statsRes, briefsRes, taxonomyRes] = await Promise.all([
+      datacleanApi.getStats(),
+      datacleanApi.getBriefs({ limit: 5 }),
+      datacleanApi.getTaxonomy(),
+    ])
+
+    statsData.value = statsRes
+    recentBriefs.value = briefsRes
+
+    // 计算分类分布
+    const categories = taxonomyRes.filter((t) => t.kind === 'category')
+    const catMap = {}
+    categories.forEach((c) => {
+      catMap[c.name] = 0
+    })
+
+    // 从简报中聚合各分类文章数（取最近一份简报）
+    if (briefsRes.length > 0) {
+      const latestBrief = await datacleanApi.getBrief(briefsRes[0].brief_date)
+      const byCategory = latestBrief.by_category || {}
+      Object.entries(byCategory).forEach(([cat, articles]) => {
+        catMap[cat] = articles.length
+      })
+    }
+
+    const maxCount = Math.max(...Object.values(catMap), 1)
+    categoryDistribution.value = Object.entries(catMap)
+      .map(([category, count]) => ({
+        category,
+        count,
+        percentage: (count / maxCount) * 100,
+      }))
+      .filter((item) => item.count > 0)
+  } catch (err) {
+    ElMessage.error(err.message)
+  }
+}
+
+onMounted(loadData)
+</script>
diff --git a/frontend/src/views/Settings.vue b/frontend/src/views/Settings.vue
new file mode 100644
index 0000000..69d22d0
--- /dev/null
+++ b/frontend/src/views/Settings.vue
@@ -0,0 +1,103 @@
+<template>
+  <div>
+    <h1 class="page-title">系统配置</h1>
+
+    <el-card class="dark-card">
+      <template #header>
+        <div style="display: flex; justify-content: space-between; align-items: center;">
+          <span>配置项</span>
+          <el-button type="danger" @click="resetSettings">重置为默认值</el-button>
+        </div>
+      </template>
+
+      <el-alert
+        title="配置修改后会保存到 SQLite 数据库，重启服务后生效。"
+        type="warning"
+        :closable="false"
+        style="margin-bottom: 20px;"
+      />
+
+      <el-form :model="settings" label-position="top" v-loading="loading">
+        <el-row :gutter="20">
+          <el-col :span="12" v-for="item in settings" :key="item.key">
+            <el-form-item :label="`${item.description} (${item.key})`">
+              <el-input
+                v-if="item.is_sensitive"
+                v-model="item.value"
+                type="password"
+                show-password
+                placeholder="请输入"
+              />
+              <el-input
+                v-else
+                v-model="item.value"
+                placeholder="请输入"
+              />
+            </el-form-item>
+          </el-col>
+        </el-row>
+
+        <el-form-item>
+          <el-button type="primary" size="large" :loading="saving" @click="saveSettings">保存配置</el-button>
+        </el-form-item>
+      </el-form>
+    </el-card>
+  </div>
+</template>
+
+<script setup>
+import { ref, onMounted } from 'vue'
+import { ElMessage, ElMessageBox } from 'element-plus'
+import { datacleanApi } from '@/api'
+
+const settings = ref([])
+const loading = ref(false)
+const saving = ref(false)
+
+const loadSettings = async () => {
+  loading.value = true
+  try {
+    const res = await datacleanApi.getSettings()
+    settings.value = res
+  } catch (err) {
+    ElMessage.error(err.message)
+  } finally {
+    loading.value = false
+  }
+}
+
+const saveSettings = async () => {
+  saving.value = true
+  try {
+    const payload = {}
+    for (const item of settings.value) {
+      payload[item.key] = item.value
+    }
+    await datacleanApi.updateSettingsBatch(payload)
+    ElMessage.success('配置已保存，请重启服务后生效')
+  } catch (err) {
+    ElMessage.error(err.message)
+  } finally {
+    saving.value = false
+  }
+}
+
+const resetSettings = async () => {
+  try {
+    await ElMessageBox.confirm('确定要重置所有配置为环境变量默认值吗？', '提示', {
+      confirmButtonText: '确定',
+      cancelButtonText: '取消',
+      type: 'warning',
+    })
+    await datacleanApi.resetSettings()
+    ElMessage.success('配置已重置，请重启服务后生效')
+    loadSettings()
+  } catch (err) {
+    if (err !== 'cancel') {
+      ElMessage.error(err.message)
+    }
+  }
+}
+
+onMounted(loadSettings)
+</script>
diff --git a/frontend/src/views/Tasks.vue b/frontend/src/views/Tasks.vue
new file mode 100644
index 0000000..2359e8a
--- /dev/null
+++ b/frontend/src/views/Tasks.vue
@@ -0,0 +1,116 @@
+<template>
+  <div>
+    <h1 class="page-title">任务管理</h1>
+
+    <el-row :gutter="20">
+      <el-col :span="8" v-for="task in tasks" :key="task.id">
+        <el-card class="dark-card" style="margin-bottom: 20px;">
+          <template #header>
+            <div class="task-header">
+              <el-icon size="24"><component :is="task.icon" /></el-icon>
+              <span>{{ task.title }}</span>
+            </div>
+          </template>
+          <p class="task-desc">{{ task.description }}</p>
+          <div v-if="task.nextRun" class="task-next-run">
+            下次执行：{{ task.nextRun }}
+          </div>
+          <el-button
+            type="primary"
+            style="margin-top: 16px;"
+            :loading="task.loading"
+            @click="runTask(task)"
+          >
+            立即执行
+          </el-button>
+        </el-card>
+      </el-col>
+    </el-row>
+  </div>
+</template>
+
+<script setup>
+import { ref, onMounted } from 'vue'
+import { ElMessage } from 'element-plus'
+import { Document, CollectionTag, Collection } from '@element-plus/icons-vue'
+import { datacleanApi } from '@/api'
+
+const tasks = ref([
+  {
+    id: 'summarize',
+    title: '生成 AI 摘要',
+    description: '拉取 rssKeeper 最近文章，为无摘要或短摘要文章生成 AI 摘要。',
+    icon: 'Document',
+    nextRun: '',
+    loading: false,
+    action: datacleanApi.summarize,
+  },
+  {
+    id: 'tag_score_deduplicate',
+    title: '分类 / 打分 / 去重',
+    description: '对当天文章进行分类、打标签、计算分数并生成重复组。',
+    icon: 'CollectionTag',
+    nextRun: '',
+    loading: false,
+    action: datacleanApi.tagScoreDedup,
+  },
+  {
+    id: 'generate_daily_brief',
+    title: '生成每日简报',
+    description: '基于当天去重后的代表文章生成每日简报。',
+    icon: 'Collection',
+    nextRun: '',
+    loading: false,
+    action: datacleanApi.generateBrief,
+  },
+])
+
+const loadStats = async () => {
+  try {
+    const stats = await datacleanApi.getStats()
+    const nextJobs = stats.next_jobs || {}
+    tasks.value.forEach((task) => {
+      task.nextRun = nextJobs[task.id] || '未调度'
+    })
+  } catch (err) {
+    ElMessage.error(err.message)
+  }
+}
+
+const runTask = async (task) => {
+  task.loading = true
+  try {
+    const res = await task.action()
+    ElMessage.success(res.message)
+    loadStats()
+  } catch (err) {
+    ElMessage.error(err.message)
+  } finally {
+    task.loading = false
+  }
+}
+
+onMounted(loadStats)
+</script>
+
+<style scoped>
+.task-header {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  font-size: 16px;
+  font-weight: 600;
+}
+
+.task-desc {
+  color: var(--dc-text-secondary);
+  line-height: 1.6;
+  min-height: 60px;
+}
+
+.task-next-run {
+  margin-top: 12px;
+  color: var(--dc-text-secondary);
+  font-size: 13px;
+}
+</style>
diff --git a/frontend/src/views/Taxonomy.vue b/frontend/src/views/Taxonomy.vue
new file mode 100644
index 0000000..e7485ac
--- /dev/null
+++ b/frontend/src/views/Taxonomy.vue
@@ -0,0 +1,110 @@
+<template>
+  <div>
+    <h1 class="page-title">分类体系</h1>
+
+    <el-card class="dark-card" style="margin-bottom: 20px;">
+      <el-alert
+        title="分类体系在首次启动时由 AI 根据样本文章生成，后续可通过编辑数据库调整。"
+        type="info"
+        :closable="false"
+      />
+      <div style="margin-top: 16px;">
+        <el-button type="primary" @click="bootstrap(false)" :loading="bootstrapping">
+          检查/初始化分类体系
+        </el-button>
+        <el-button type="danger" @click="bootstrap(true)" :loading="bootstrapping">
+          强制重新生成
+        </el-button>
+      </div>
+    </el-card>
+
+    <el-tabs v-model="activeTab" class="dark-tabs">
+      <el-tab-pane label="分类" name="category">
+        <TaxonomyTable :data="taxonomyByKind.category" />
+      </el-tab-pane>
+      <el-tab-pane label="标签" name="tag">
+        <TaxonomyTable :data="taxonomyByKind.tag" />
+      </el-tab-pane>
+      <el-tab-pane label="热度规则" name="heat_rule">
+        <TaxonomyTable :data="taxonomyByKind.heat_rule" show-weight />
+      </el-tab-pane>
+      <el-tab-pane label="重要性规则" name="importance_rule">
+        <TaxonomyTable :data="taxonomyByKind.importance_rule" show-weight />
+      </el-tab-pane>
+      <el-tab-pane label="重复性规则" name="duplication_rule">
+        <TaxonomyTable :data="taxonomyByKind.duplication_rule" show-weight />
+      </el-tab-pane>
+    </el-tabs>
+  </div>
+</template>
+
+<script setup>
+import { ref, computed, onMounted } from 'vue'
+import { ElMessage } from 'element-plus'
+import { datacleanApi } from '@/api'
+import TaxonomyTable from './TaxonomyTable.vue'
+
+const activeTab = ref('category')
+const taxonomy = ref([])
+const bootstrapping = ref(false)
+
+const taxonomyByKind = computed(() => {
+  const grouped = {
+    category: [],
+    tag: [],
+    heat_rule: [],
+    importance_rule: [],
+    duplication_rule: [],
+  }
+  taxonomy.value.forEach((item) => {
+    if (grouped[item.kind]) {
+      grouped[item.kind].push(item)
+    }
+  })
+  return grouped
+})
+
+const loadTaxonomy = async () => {
+  try {
+    taxonomy.value = await datacleanApi.getTaxonomy()
+  } catch (err) {
+    ElMessage.error(err.message)
+  }
+}
+
+const bootstrap = async (force) => {
+  bootstrapping.value = true
+  try {
+    const res = await datacleanApi.bootstrapTaxonomy(force)
+    ElMessage.success(res.message)
+    loadTaxonomy()
+  } catch (err) {
+    ElMessage.error(err.message)
+  } finally {
+    bootstrapping.value = false
+  }
+}
+
+onMounted(loadTaxonomy)
+</script>
+
+<style scoped>
+.dark-tabs {
+  background: var(--dc-card-bg);
+  border: 1px solid var(--dc-border);
+  border-radius: 8px;
+  padding: 20px;
+}
+
+.dark-tabs :deep(.el-tabs__item) {
+  color: var(--dc-text-secondary);
+}
+
+.dark-tabs :deep(.el-tabs__item.is-active) {
+  color: var(--dc-primary);
+}
+
+.dark-tabs :deep(.el-tabs__active-bar) {
+  background-color: var(--dc-primary);
+}
+</style>
diff --git a/frontend/src/views/TaxonomyTable.vue b/frontend/src/views/TaxonomyTable.vue
new file mode 100644
index 0000000..2613dbc
--- /dev/null
+++ b/frontend/src/views/TaxonomyTable.vue
@@ -0,0 +1,30 @@
+<template>
+  <el-table :data="data" style="width: 100%">
+    <el-table-column prop="name" label="名称" width="160" />
+    <el-table-column prop="description" label="描述" min-width="200" />
+    <el-table-column label="关键词" min-width="250">
+      <template #default="{ row }">
+        <el-tag v-for="kw in row.keywords" :key="kw" size="small" class="tag-item" type="info">{{ kw }}</el-tag>
+      </template>
+    </el-table-column>
+    <el-table-column v-if="showWeight" prop="weight" label="权重" width="100" />
+    <el-table-column label="来源" width="120">
+      <template #default="{ row }">
+        <el-tag :type="row.created_by_ai ? 'success' : 'info'">{{ row.created_by_ai ? 'AI 生成' : '手动' }}</el-tag>
+      </template>
+    </el-table-column>
+  </el-table>
+</template>
+
+<script setup>
+defineProps({
+  data: {
+    type: Array,
+    default: () => [],
+  },
+  showWeight: {
+    type: Boolean,
+    default: false,
+  },
+})
+</script>
diff --git a/frontend/vite.config.js b/frontend/vite.config.js
new file mode 100644
index 0000000..8b9156b
--- /dev/null
+++ b/frontend/vite.config.js
@@ -0,0 +1,30 @@
+import { defineConfig } from 'vite'
+import vue from '@vitejs/plugin-vue'
+import { resolve } from 'path'
+
+// https://vitejs.dev/config/
+export default defineConfig({
+  plugins: [vue()],
+  resolve: {
+    alias: {
+      '@': resolve(__dirname, 'src'),
+    },
+  },
+  server: {
+    port: 7332,
+    proxy: {
+      '/api': {
+        target: 'http://localhost:7331',
+        changeOrigin: true,
+      },
+      '/health': {
+        target: 'http://localhost:7331',
+        changeOrigin: true,
+      },
+    },
+  },
+  build: {
+    outDir: 'dist',
+    assetsDir: 'assets',
+  },
+})
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..407ce9e
--- /dev/null
+++ b/main.py
@@ -0,0 +1,426 @@
+"""dataClean FastAPI 入口"""
+import logging
+import os
+from contextlib import asynccontextmanager
+from datetime import datetime, timedelta, timezone
+from typing import Optional, List
+
+from fastapi import FastAPI, Depends, HTTPException, Query, Body, Security, status
+from fastapi.middleware.cors import CORSMiddleware
+from fastapi.staticfiles import StaticFiles
+from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
+from pydantic import BaseModel, ConfigDict
+from sqlalchemy.orm import Session
+
+from config import settings
+from database import init_db, get_db, SessionLocal
+from scheduler import init_scheduler, stop_scheduler, get_scheduler, get_task_lock
+from app.taxonomy import bootstrap_taxonomy, list_taxonomy, ensure_taxonomy
+from app.summarizer import fetch_and_summarize
+from app.tagger import tag_articles
+from app.deduplicator import deduplicate_articles
+from app.scorer import score_articles
+from app.brief import generate_daily_brief
+from app.settings_manager import (
+    init_default_settings,
+    list_settings,
+    get_setting,
+    set_setting,
+    reset_settings,
+    apply_db_settings_to_config,
+)
+from models import EnrichedArticle, DailyBrief, Taxonomy, DuplicateGroup, AppSetting
+
+logging.basicConfig(
+    level=getattr(logging, settings.LOG_LEVEL.upper(), logging.INFO),
+    format="%(asctime)s - %(name)s - %(levelname)s - %(message)s",
+)
+logger = logging.getLogger(__name__)
+
+# API Token 鉴权（当配置时启用）
+security_scheme = HTTPBearer(auto_error=False)
+
+
+def _get_allowed_origins() -> List[str]:
+    """解析 CORS 允许来源配置"""
+    raw = settings.CORS_ALLOWED_ORIGINS
+    if raw:
+        return [o.strip() for o in raw.split(",") if o.strip()]
+    # 默认只允许同源（Docker/生产由反向代理或浏览器同源访问）
+    return []
+
+
+def verify_token(credentials: Optional[HTTPAuthorizationCredentials] = Security(security_scheme)):
+    """验证 API Token；未配置时跳过鉴权"""
+    token = settings.API_TOKEN
+    if not token:
+        return None
+    if not credentials:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="缺少 Authorization 请求头",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+    if credentials.scheme != "Bearer" or credentials.credentials != token:
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN,
+            detail="无效的 API Token",
+        )
+    return credentials.credentials
+
+
+def _run_task_locked(func, db: Session):
+    """带互斥锁执行任务"""
+    acquired = get_task_lock().acquire(blocking=False)
+    if not acquired:
+        raise HTTPException(status_code=409, detail="已有任务正在执行，请稍后再试")
+    try:
+        return func(db)
+    finally:
+        get_task_lock().release()
+
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    """应用生命周期管理"""
+    logger.info("启动 dataClean 服务")
+    init_db()
+
+    db = SessionLocal()
+    try:
+        # 初始化默认配置
+        init_default_settings(db)
+        # 用数据库配置覆盖全局 settings
+        apply_db_settings_to_config(db)
+        # 首次启动时确保 taxonomy 表存在
+        ensure_taxonomy(db)
+    except Exception as exc:
+        logger.error("启动初始化失败: %s", exc)
+    finally:
+        db.close()
+
+    init_scheduler()
+    yield
+    stop_scheduler()
+
+
+app = FastAPI(
+    title="dataClean",
+    description="RSS 数据清洗、摘要、分类、打分与简报生成服务",
+    version="1.0.0",
+    lifespan=lifespan,
+)
+
+# CORS 配置：生产环境收敛到具体域名，且不与 credentials=true 同时用通配符
+_allowed_origins = _get_allowed_origins()
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=_allowed_origins or ["*"],
+    allow_credentials=bool(_allowed_origins),
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+
+# ---------- Pydantic 模型 ----------
+
+class ArticleOut(BaseModel):
+    id: int
+    rk_article_id: int
+    title: str
+    link: str
+    feed_title: str
+    category: str
+    tags: List[str]
+    heat_score: float
+    importance_score: float
+    duplication_score: float
+    composite_score: float
+    ai_summary: str
+    is_representative: bool
+    published_at: Optional[str]
+
+    model_config = ConfigDict(from_attributes=True)
+
+
+class ArticleListOut(BaseModel):
+    items: List[ArticleOut]
+    total: int
+
+
+class BriefOut(BaseModel):
+    id: int
+    brief_date: str
+    total_articles: int
+    unique_articles: int
+    by_category: dict
+    markdown_path: str
+
+    model_config = ConfigDict(from_attributes=True)
+
+
+class TaxonomyOut(BaseModel):
+    id: int
+    name: str
+    kind: str
+    description: str
+    keywords: List[str]
+    weight: float
+    created_by_ai: bool
+
+    model_config = ConfigDict(from_attributes=True)
+
+
+class SettingOut(BaseModel):
+    key: str
+    value: str
+    description: str
+    is_sensitive: bool
+    is_masked: bool
+    updated_at: Optional[str]
+
+
+class SettingUpdate(BaseModel):
+    value: str
+
+
+class BatchSettingsUpdate(BaseModel):
+    settings: dict
+
+
+class StatsOut(BaseModel):
+    total_articles: int
+    today_articles: int
+    ai_summarized: int
+    categories: int
+    tags: int
+    duplicate_groups: int
+    briefs: int
+    next_jobs: dict
+
+
+# ---------- 健康检查 ----------
+
+@app.get("/health")
+def health():
+    return {"status": "ok", "service": "dataClean"}
+
+
+# ---------- 文章接口 ----------
+
+@app.get("/api/articles", response_model=ArticleListOut)
+def list_articles(
+    date: Optional[str] = Query(None, description="日期 YYYY-MM-DD"),
+    category: Optional[str] = Query(None),
+    tag: Optional[str] = Query(None),
+    representative_only: bool = Query(False, description="仅返回重复组代表文章"),
+    limit: int = Query(50, ge=1, le=200),
+    offset: int = Query(0, ge=0),
+    db: Session = Depends(get_db),
+):
+    query = db.query(EnrichedArticle)
+
+    if date:
+        day = datetime.strptime(date, "%Y-%m-%d")
+        next_day = day + timedelta(days=1)
+        query = query.filter(EnrichedArticle.fetched_at >= day, EnrichedArticle.fetched_at < next_day)
+    if category:
+        query = query.filter(EnrichedArticle.category == category)
+    if tag:
+        # SQLite JSON 列使用 json_each 做精确匹配，避免字符串子串误命中
+        query = query.filter(
+            EnrichedArticle.tags.contains([tag])
+        )
+    if representative_only:
+        query = query.filter(
+            (EnrichedArticle.is_representative == True) | (EnrichedArticle.duplicate_group_id == None)
+        )
+
+    total = query.count()
+    items = query.order_by(EnrichedArticle.composite_score.desc()).offset(offset).limit(limit).all()
+    return {"items": items, "total": total}
+
+
+@app.get("/api/articles/{article_id}", response_model=ArticleOut)
+def get_article(article_id: int, db: Session = Depends(get_db)):
+    article = db.query(EnrichedArticle).filter(EnrichedArticle.id == article_id).first()
+    if not article:
+        raise HTTPException(status_code=404, detail="文章不存在")
+    return article
+
+
+# ---------- 简报接口 ----------
+
+@app.get("/api/briefs", response_model=List[BriefOut])
+def list_briefs(
+    limit: int = Query(30, ge=1, le=100),
+    db: Session = Depends(get_db),
+):
+    return (
+        db.query(DailyBrief)
+        .order_by(DailyBrief.brief_date.desc())
+        .limit(limit)
+        .all()
+    )
+
+
+@app.get("/api/briefs/{date}", response_model=BriefOut)
+def get_brief(date: str, db: Session = Depends(get_db)):
+    brief = db.query(DailyBrief).filter(DailyBrief.brief_date == date).first()
+    if not brief:
+        raise HTTPException(status_code=404, detail="简报不存在")
+    return brief
+
+
+@app.post("/api/briefs/{date}/regenerate")
+def regenerate_brief(date: str, db: Session = Depends(get_db), _=Depends(verify_token)):
+    try:
+        data = generate_daily_brief(db, date_str=date, force=True)
+        return {"message": "简报已重新生成", "data": data}
+    except Exception as exc:
+        logger.error("重新生成简报失败: %s", exc)
+        raise HTTPException(status_code=500, detail=str(exc))
+
+
+# ---------- 分类体系接口 ----------
+
+@app.get("/api/taxonomy", response_model=List[TaxonomyOut])
+def get_taxonomy(kind: Optional[str] = Query(None), db: Session = Depends(get_db)):
+    return list_taxonomy(db, kind=kind)
+
+
+@app.post("/api/taxonomy/bootstrap")
+def trigger_taxonomy_bootstrap(
+    force: bool = False,
+    db: Session = Depends(get_db),
+    _=Depends(verify_token),
+):
+    ok = bootstrap_taxonomy(db, force=force)
+    if not ok:
+        return {"message": "taxonomy 已存在或初始化失败，请检查日志"}
+    return {"message": "taxonomy 初始化成功"}
+
+
+# ---------- 手动触发任务接口 ----------
+
+@app.post("/api/tasks/summarize")
+def task_summarize(db: Session = Depends(get_db), _=Depends(verify_token)):
+    stats = _run_task_locked(lambda session: fetch_and_summarize(session, hours=24, limit=200), db)
+    return {"message": "摘要任务完成", "stats": stats}
+
+
+@app.post("/api/tasks/tag-score-dedup")
+def task_tag_score_dedup(db: Session = Depends(get_db), _=Depends(verify_token)):
+    def _run(session):
+        tag_articles(session)
+        today = datetime.now(timezone.utc).strftime("%Y-%m-%d")
+        deduplicate_articles(session, date_str=today)
+        score_articles(session, update_duplication=True)
+        return None
+    _run_task_locked(_run, db)
+    return {"message": "分类/去重/打分任务完成"}
+
+
+@app.post("/api/tasks/brief")
+def task_brief(db: Session = Depends(get_db), _=Depends(verify_token)):
+    def _run(session):
+        today = datetime.now(timezone.utc).strftime("%Y-%m-%d")
+        return generate_daily_brief(session, date_str=today, force=True)
+    data = _run_task_locked(_run, db)
+    return {"message": "简报生成任务完成", "data": data}
+
+
+# ---------- 配置管理接口 ----------
+
+@app.get("/api/settings", response_model=List[SettingOut])
+def get_settings(db: Session = Depends(get_db), _=Depends(verify_token)):
+    return list_settings(db, mask_sensitive=True)
+
+
+@app.put("/api/settings/{key}")
+def update_setting(
+    key: str,
+    body: SettingUpdate,
+    db: Session = Depends(get_db),
+    _=Depends(verify_token),
+):
+    ok = set_setting(db, key, body.value)
+    if not ok:
+        raise HTTPException(status_code=400, detail="无效的配置项")
+    return {"message": "配置已保存，重启服务后生效"}
+
+
+@app.put("/api/settings")
+def update_settings_batch(
+    body: BatchSettingsUpdate,
+    db: Session = Depends(get_db),
+    _=Depends(verify_token),
+):
+    errors = []
+    for key, value in body.settings.items():
+        if not set_setting(db, key, value):
+            errors.append(key)
+    if errors:
+        raise HTTPException(status_code=400, detail=f"以下配置项无效: {', '.join(errors)}")
+    return {"message": "配置已保存，重启服务后生效"}
+
+
+@app.post("/api/settings/reset")
+def reset_all_settings(db: Session = Depends(get_db), _=Depends(verify_token)):
+    reset_settings(db)
+    return {"message": "配置已重置为环境变量默认值，重启服务后生效"}
+
+
+# ---------- 仪表盘统计接口 ----------
+
+@app.get("/api/stats", response_model=StatsOut)
+def get_stats(db: Session = Depends(get_db)):
+    today = datetime.now(timezone.utc).strftime("%Y-%m-%d")
+    day_start = datetime.strptime(today, "%Y-%m-%d")
+    day_end = day_start + timedelta(days=1)
+
+    total_articles = db.query(EnrichedArticle).count()
+    today_articles = (
+        db.query(EnrichedArticle)
+        .filter(EnrichedArticle.fetched_at >= day_start, EnrichedArticle.fetched_at < day_end)
+        .count()
+    )
+    ai_summarized = db.query(EnrichedArticle).filter(EnrichedArticle.ai_summary != "").count()
+    categories = db.query(Taxonomy).filter(Taxonomy.kind == "category").count()
+    tags = db.query(Taxonomy).filter(Taxonomy.kind == "tag").count()
+    duplicate_groups = db.query(DuplicateGroup).count()
+    briefs = db.query(DailyBrief).count()
+
+    scheduler = get_scheduler()
+    next_jobs = {}
+    for job in scheduler.get_jobs():
+        next_jobs[job.id] = job.next_run_time.isoformat() if job.next_run_time else None
+
+    return {
+        "total_articles": total_articles,
+        "today_articles": today_articles,
+        "ai_summarized": ai_summarized,
+        "categories": categories,
+        "tags": tags,
+        "duplicate_groups": duplicate_groups,
+        "briefs": briefs,
+        "next_jobs": next_jobs,
+    }
+
+
+# ---------- 静态文件托管（生产环境） ----------
+
+static_dir = os.path.join(os.path.dirname(__file__), "static")
+if not os.path.isdir(static_dir):
+    # 本地构建时 frontend/dist 也可作为静态文件源
+    frontend_dist = os.path.join(os.path.dirname(__file__), "frontend", "dist")
+    if os.path.isdir(frontend_dist):
+        static_dir = frontend_dist
+
+if os.path.isdir(static_dir):
+    app.mount("/", StaticFiles(directory=static_dir, html=True), name="static")
+
+
+if __name__ == "__main__":
+    import uvicorn
+    uvicorn.run(app, host="0.0.0.0", port=7331)
diff --git a/models.py b/models.py
new file mode 100644
index 0000000..5346d31
--- /dev/null
+++ b/models.py
@@ -0,0 +1,109 @@
+"""SQLAlchemy 数据模型"""
+from datetime import datetime, timezone
+from sqlalchemy import Column, Integer, String, Text, Boolean, DateTime, Float, ForeignKey, JSON
+from sqlalchemy.orm import relationship
+
+from database import Base
+
+
+def _utc_now():
+    return datetime.now(timezone.utc)
+
+
+class EnrichedArticle(Base):
+    """加工后的文章，存储 AI 摘要、分类、标签、分数和去重信息"""
+
+    __tablename__ = "articles_enriched"
+
+    id = Column(Integer, primary_key=True, index=True)
+    rk_article_id = Column(Integer, unique=True, nullable=False, index=True)
+
+    title = Column(String(1024), default="", index=True)
+    link = Column(String(2048), default="", index=True)
+    feed_id = Column(Integer, nullable=False, index=True)
+    feed_title = Column(String(512), default="")
+    feed_category = Column(String(128), default="")
+    author = Column(String(256), default="")
+
+    published_at = Column(DateTime, nullable=True, index=True)
+    fetched_at = Column(DateTime, default=_utc_now, index=True)
+
+    original_summary = Column(Text, default="")
+    content = Column(Text, default="")
+    ai_summary = Column(Text, default="")
+
+    category = Column(String(128), default="", index=True)
+    tags = Column(JSON, default=lambda: list())
+
+    heat_score = Column(Float, default=0.0)
+    importance_score = Column(Float, default=0.0)
+    duplication_score = Column(Float, default=0.0)
+    composite_score = Column(Float, default=0.0)
+
+    duplicate_group_id = Column(Integer, ForeignKey("duplicate_groups.id", ondelete="SET NULL"), nullable=True, index=True)
+    is_representative = Column(Boolean, default=False, index=True)
+
+    brief_date = Column(String(10), default="", index=True)
+
+    created_at = Column(DateTime, default=_utc_now)
+    updated_at = Column(DateTime, default=_utc_now, onupdate=_utc_now)
+
+    duplicate_group = relationship("DuplicateGroup", back_populates="articles")
+
+
+class Taxonomy(Base):
+    """分类、标签、打分规则表"""
+
+    __tablename__ = "taxonomy"
+
+    id = Column(Integer, primary_key=True, index=True)
+    name = Column(String(128), nullable=False, index=True)
+    kind = Column(String(32), nullable=False, index=True)  # category/tag/heat_rule/importance_rule/duplication_rule
+    description = Column(Text, default="")
+    keywords = Column(JSON, default=list)  # 关键词或规则列表
+    weight = Column(Float, default=1.0)
+    created_by_ai = Column(Boolean, default=False)
+    created_at = Column(DateTime, default=_utc_now)
+
+
+class DuplicateGroup(Base):
+    """重复文章组"""
+
+    __tablename__ = "duplicate_groups"
+
+    id = Column(Integer, primary_key=True, index=True)
+    representative_article_id = Column(Integer, ForeignKey("articles_enriched.id", ondelete="SET NULL"), nullable=True)
+    member_article_ids = Column(JSON, default=lambda: list())
+    similarity_matrix = Column(JSON, default=lambda: dict())
+    brief_date = Column(String(10), default="", index=True)
+    created_at = Column(DateTime, default=_utc_now)
+
+    articles = relationship("EnrichedArticle", back_populates="duplicate_group")
+
+
+class DailyBrief(Base):
+    """每日简报"""
+
+    __tablename__ = "daily_briefs"
+
+    id = Column(Integer, primary_key=True, index=True)
+    brief_date = Column(String(10), unique=True, nullable=False, index=True)
+    total_articles = Column(Integer, default=0)
+    unique_articles = Column(Integer, default=0)
+    by_category = Column(JSON, default=lambda: dict())
+    markdown_path = Column(String(512), default="")
+    created_at = Column(DateTime, default=_utc_now)
+    updated_at = Column(DateTime, default=_utc_now, onupdate=_utc_now)
+
+
+class AppSetting(Base):
+    """运行时配置表"""
+
+    __tablename__ = "app_settings"
+
+    id = Column(Integer, primary_key=True, index=True)
+    key = Column(String(128), unique=True, nullable=False, index=True)
+    value = Column(Text, default="")
+    description = Column(Text, default="")
+    is_sensitive = Column(Boolean, default=False)
+    updated_at = Column(DateTime, default=_utc_now, onupdate=_utc_now)
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..f3c205f
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,10 @@
+fastapi==0.115.0
+uvicorn[standard]==0.32.0
+sqlalchemy==2.0.36
+pydantic==2.9.2
+pydantic-settings==2.6.1
+requests==2.32.3
+apscheduler==3.10.4
+openai==1.55.3
+scikit-learn==1.5.2
+python-dateutil==2.9.0.post0
diff --git a/scheduler.py b/scheduler.py
new file mode 100644
index 0000000..b001daf
--- /dev/null
+++ b/scheduler.py
@@ -0,0 +1,166 @@
+"""APScheduler 定时任务"""
+import functools
+import logging
+import threading
+from datetime import datetime, timezone
+
+from apscheduler.schedulers.background import BackgroundScheduler
+from apscheduler.triggers.date import DateTrigger
+from apscheduler.triggers.interval import IntervalTrigger
+from apscheduler.triggers.cron import CronTrigger
+from sqlalchemy.orm import Session
+
+from config import settings
+from database import SessionLocal
+from app.taxonomy import ensure_taxonomy, bootstrap_taxonomy
+from app.summarizer import fetch_and_summarize
+from app.tagger import tag_articles
+from app.deduplicator import deduplicate_articles
+from app.scorer import score_articles
+from app.brief import generate_daily_brief
+from app.settings_manager import get_setting_value
+
+logger = logging.getLogger(__name__)
+
+_scheduler: BackgroundScheduler | None = None
+
+# 任务互斥锁：防止手动任务与定时任务并发执行
+_task_lock = threading.Lock()
+
+
+def get_scheduler() -> BackgroundScheduler:
+    global _scheduler
+    if _scheduler is None:
+        _scheduler = BackgroundScheduler(
+            job_defaults={
+                "coalesce": True,
+                "max_instances": 1,
+                "misfire_grace_time": 300,
+            },
+            timezone="Asia/Shanghai",
+        )
+    return _scheduler
+
+
+def get_task_lock():
+    """返回全局任务互斥锁，供手动任务接口使用"""
+    return _task_lock
+
+
+def _with_db(func):
+    """装饰器：为任务函数提供数据库会话，并记录运行日志"""
+    @functools.wraps(func)
+    def wrapper():
+        acquired = _task_lock.acquire(blocking=False)
+        if not acquired:
+            logger.warning("定时任务 %s 跳过：已有其他任务正在执行", func.__name__)
+            return
+        db = SessionLocal()
+        try:
+            func(db)
+        except Exception as exc:
+            logger.error("定时任务 %s 执行失败: %s", func.__name__, exc, exc_info=True)
+        finally:
+            db.close()
+            _task_lock.release()
+    return wrapper
+
+
+@_with_db
+def job_bootstrap_taxonomy(db: Session):
+    """初始化分类体系（仅在表为空时执行）"""
+    logger.info("执行 taxonomy 初始化检查")
+    ensure_taxonomy(db)
+
+
+@_with_db
+def job_fetch_and_summarize(db: Session):
+    """拉取文章并生成摘要"""
+    logger.info("执行摘要生成任务")
+    fetch_and_summarize(db, hours=24, limit=200)
+
+
+@_with_db
+def job_tag_score_deduplicate(db: Session):
+    """对当天文章分类、打分、去重"""
+    logger.info("执行分类/打分/去重任务")
+    today = datetime.now(timezone.utc).strftime("%Y-%m-%d")
+
+    # 1. 对当天未分类的文章打标签
+    tag_articles(db)
+
+    # 2. 对当天文章去重
+    deduplicate_articles(db, date_str=today)
+
+    # 3. 重新计算分数（含重复性分数）
+    score_articles(db, update_duplication=True)
+
+
+@_with_db
+def job_generate_daily_brief(db: Session):
+    """生成每日简报"""
+    logger.info("执行每日简报生成任务")
+    today = datetime.now(timezone.utc).strftime("%Y-%m-%d")
+    generate_daily_brief(db, date_str=today, force=True)
+
+
+def init_scheduler():
+    """注册并启动所有定时任务"""
+    scheduler = get_scheduler()
+
+    # 从数据库/环境变量读取调度配置
+    summarize_interval = int(get_setting_value("SUMMARIZE_INTERVAL_MINUTES", settings.SUMMARIZE_INTERVAL_MINUTES))
+    tag_score_interval = int(get_setting_value("TAG_SCORE_INTERVAL_MINUTES", settings.TAG_SCORE_INTERVAL_MINUTES))
+    brief_hour = int(get_setting_value("DAILY_BRIEF_HOUR", settings.DAILY_BRIEF_HOUR))
+    brief_minute = int(get_setting_value("DAILY_BRIEF_MINUTE", settings.DAILY_BRIEF_MINUTE))
+
+    # taxonomy 初始化：服务启动后立即执行一次
+    scheduler.add_job(
+        job_bootstrap_taxonomy,
+        trigger=DateTrigger(run_date=datetime.now()),
+        id="bootstrap_taxonomy",
+        replace_existing=True,
+        max_instances=1,
+    )
+
+    # 摘要任务
+    scheduler.add_job(
+        job_fetch_and_summarize,
+        trigger=IntervalTrigger(minutes=summarize_interval),
+        id="fetch_and_summarize",
+        replace_existing=True,
+    )
+
+    # 分类/打分/去重任务
+    scheduler.add_job(
+        job_tag_score_deduplicate,
+        trigger=IntervalTrigger(minutes=tag_score_interval),
+        id="tag_score_deduplicate",
+        replace_existing=True,
+    )
+
+    # 每日简报
+    scheduler.add_job(
+        job_generate_daily_brief,
+        trigger=CronTrigger(hour=brief_hour, minute=brief_minute),
+        id="generate_daily_brief",
+        replace_existing=True,
+    )
+
+    scheduler.start()
+    logger.info(
+        "调度器已启动: summarize=%d分钟, tag_score=%d分钟, brief=%02d:%02d",
+        summarize_interval,
+        tag_score_interval,
+        brief_hour,
+        brief_minute,
+    )
+
+
+def stop_scheduler():
+    """停止调度器"""
+    global _scheduler
+    if _scheduler:
+        _scheduler.shutdown(wait=False)
+        _scheduler = None
+        logger.info("调度器已停止")
diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/conftest.py b/tests/conftest.py
new file mode 100644
index 0000000..75d15eb
--- /dev/null
+++ b/tests/conftest.py
@@ -0,0 +1,21 @@
+"""测试配置"""
+import pytest
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+
+from database import Base
+from models import EnrichedArticle, Taxonomy, DuplicateGroup, DailyBrief
+
+
+TEST_DATABASE_URL = "sqlite:///:memory:"
+
+
+@pytest.fixture(scope="function")
+def db():
+    engine = create_engine(TEST_DATABASE_URL, connect_args={"check_same_thread": False})
+    Base.metadata.create_all(bind=engine)
+    Session = sessionmaker(bind=engine)
+    session = Session()
+    yield session
+    session.close()
+    Base.metadata.drop_all(bind=engine)
diff --git a/tests/test_deduplicator.py b/tests/test_deduplicator.py
new file mode 100644
index 0000000..59b33ad
--- /dev/null
+++ b/tests/test_deduplicator.py
@@ -0,0 +1,78 @@
+"""去重模块测试"""
+from datetime import datetime, timedelta, timezone
+
+from app.deduplicator import _title_similarity, _find_duplicate_clusters, deduplicate_articles
+from models import EnrichedArticle
+
+
+def test_title_similarity_identical():
+    assert _title_similarity("OpenAI 发布 GPT-5", "OpenAI 发布 GPT-5") > 0.95
+
+
+def test_title_similarity_different():
+    assert _title_similarity("OpenAI 发布 GPT-5", "苹果发布新款 iPhone") < 0.5
+
+
+def test_find_duplicate_clusters(db):
+    articles = [
+        EnrichedArticle(
+            rk_article_id=1,
+            title="OpenAI 发布 GPT-5，性能大幅提升",
+            content="OpenAI 今天发布了 GPT-5，性能大幅提升。",
+        ),
+        EnrichedArticle(
+            rk_article_id=2,
+            title="OpenAI 发布 GPT-5 性能大幅提升",
+            content="OpenAI 发布了 GPT-5，性能提升明显。",
+        ),
+        EnrichedArticle(
+            rk_article_id=3,
+            title="苹果发布新款 iPhone",
+            content="苹果公司发布了新款 iPhone。",
+        ),
+    ]
+    clusters = _find_duplicate_clusters(articles, title_threshold=0.85, content_threshold=0.80)
+    assert len(clusters) == 1
+    assert {0, 1} in clusters
+
+
+def test_deduplicate_articles(db):
+    today = datetime.now(timezone.utc).strftime("%Y-%m-%d")
+    day_start = datetime.strptime(today, "%Y-%m-%d")
+
+    a1 = EnrichedArticle(
+        rk_article_id=1,
+        title="OpenAI 发布 GPT-5",
+        content="OpenAI 今天发布了 GPT-5。",
+        fetched_at=day_start,
+    )
+    a2 = EnrichedArticle(
+        rk_article_id=2,
+        title="OpenAI 发布 GPT-5 性能提升",
+        content="OpenAI 发布了 GPT-5，性能提升。",
+        fetched_at=day_start + timedelta(minutes=10),
+    )
+    a3 = EnrichedArticle(
+        rk_article_id=3,
+        title="苹果发布新款 iPhone",
+        content="苹果发布了 iPhone。",
+        fetched_at=day_start + timedelta(minutes=20),
+    )
+
+    db.add_all([a1, a2, a3])
+    db.commit()
+
+    stats = deduplicate_articles(db, date_str=today, title_threshold=0.85, content_threshold=0.80)
+
+    assert stats["total"] == 3
+    assert stats["duplicate_groups"] == 1
+    assert stats["representatives"] == 1
+
+    # 刷新对象
+    db.refresh(a1)
+    db.refresh(a2)
+    db.refresh(a3)
+
+    representatives = [a for a in [a1, a2, a3] if a.is_representative]
+    assert len(representatives) == 1
+    assert representatives[0].duplicate_group_id is not None
diff --git a/tests/test_scorer.py b/tests/test_scorer.py
new file mode 100644
index 0000000..5971b2b
--- /dev/null
+++ b/tests/test_scorer.py
@@ -0,0 +1,46 @@
+"""打分模块测试"""
+from datetime import datetime
+
+from app.scorer import compute_heat_score, compute_importance_score, compute_duplication_score, compute_composite_score, score_articles
+from models import EnrichedArticle, Taxonomy, DuplicateGroup
+
+
+def test_compute_heat_score():
+    rules = [Taxonomy(name="AI", kind="heat_rule", keywords=["AI", "大模型"], weight=1.5)]
+    article = EnrichedArticle(title="OpenAI 发布 GPT-5 大模型")
+    score = compute_heat_score(article, rules)
+    assert score > 0
+
+
+def test_compute_importance_score():
+    rules = [Taxonomy(name="政策", kind="importance_rule", keywords=["政策", "监管"], weight=2.0)]
+    article = EnrichedArticle(title="新政策发布，加强 AI 监管")
+    score = compute_importance_score(article, rules)
+    assert score > 0
+
+
+def test_compute_duplication_score():
+    assert compute_duplication_score(1) == 0.0
+    assert compute_duplication_score(5) == 100.0
+
+
+def test_compute_composite_score():
+    score = compute_composite_score(50, 80, 30)
+    expected = 50 * 0.3 + 80 * 0.5 + 30 * 0.2
+    assert score == round(expected, 2)
+
+
+def test_score_articles_integration(db):
+    db.add_all([
+        Taxonomy(name="AI", kind="heat_rule", keywords=["AI"], weight=1.5),
+        Taxonomy(name="政策", kind="importance_rule", keywords=["政策"], weight=2.0),
+    ])
+    article = EnrichedArticle(rk_article_id=1, title="AI 新政策发布")
+    db.add(article)
+    db.commit()
+
+    score_articles(db, article_ids=[article.id])
+
+    assert article.heat_score > 0
+    assert article.importance_score > 0
+    assert article.composite_score > 0
diff --git a/tests/test_tagger.py b/tests/test_tagger.py
new file mode 100644
index 0000000..34f716b
--- /dev/null
+++ b/tests/test_tagger.py
@@ -0,0 +1,43 @@
+"""分类/标签模块测试"""
+from app.tagger import classify_article, tag_article, tag_articles
+from models import EnrichedArticle, Taxonomy
+
+
+def test_classify_article(db):
+    categories = [
+        Taxonomy(name="科技", kind="category", keywords=["AI", "大模型", "芯片"]),
+        Taxonomy(name="财经", kind="category", keywords=["股市", "基金", "财报"]),
+    ]
+    article = EnrichedArticle(
+        rk_article_id=1,
+        title="OpenAI 发布新一代大模型",
+    )
+    assert classify_article(article, categories) == "科技"
+
+
+def test_tag_article(db):
+    tags = [
+        Taxonomy(name="人工智能", kind="tag", keywords=["AI", "人工智能", "大模型"]),
+        Taxonomy(name="半导体", kind="tag", keywords=["芯片", "半导体"]),
+    ]
+    article = EnrichedArticle(
+        rk_article_id=1,
+        title="OpenAI 发布新一代大模型",
+    )
+    result = tag_article(article, tags)
+    assert "人工智能" in result
+
+
+def test_tag_articles_integration(db):
+    db.add_all([
+        Taxonomy(name="科技", kind="category", keywords=["AI", "大模型"]),
+        Taxonomy(name="人工智能", kind="tag", keywords=["AI", "大模型"]),
+    ])
+    article = EnrichedArticle(rk_article_id=1, title="OpenAI 发布 GPT-5 大模型")
+    db.add(article)
+    db.commit()
+
+    count = tag_articles(db)
+    assert count == 1
+    assert article.category == "科技"
+    assert "人工智能" in article.tags