完成差旅发票录入流程

2026-06-11 19:22:34 +08:00
parent cf567c22f2
commit 10115214aa
50 changed files with 3033 additions and 2756 deletions
--- a/.agents/README.md
+++ b/.agents/README.md
@@ -0,0 +1,19 @@
+---
+last_reviewed: 2026-06-11
+---
+
+# .agents — 项目内部维护目录
+
+本目录存放维护人员与自动化代理相关资料，不属于对外公开的用户文档。
+
+## 目录结构
+
+| 子目录 | 说明 |
+|--------|------|
+| `docs/` | 维护文档：规范、经验总结、实施方案、操作指南 |
+| `skills/` | Cursor Agent 技能：定义自动化工作流和代码检查流程 |
+
+## 文档边界
+
+- 面向开源用户、外部贡献者的公开文档统一放置在项目根目录 `docs/` 下。
+- 维护规范、实施方案、经验总结、拉取请求佐证材料与各类内部记录资料，均统一放置在本目录下。
--- a/.agents/docs/good-experience/2026-06-11-CSV-BOM-列名校验失败.md
+++ b/.agents/docs/good-experience/2026-06-11-CSV-BOM-列名校验失败.md
@@ -0,0 +1,36 @@
+---
+last_reviewed: 2026-06-11
+---
+
+# 出现问题好的排查流程
+
+## 出现问题后的排查流程
+
+```
+日志报错
+  │
+  ├─ 1. 定位错误源码
+  │     根据日志标签 + 错误信息 → 找到报错函数和校验条件
+  │
+  ├─ 2. 分析日志时间线
+  │     对比错误时间与前后事件 → 判断是主流程还是试探性调用
+  │
+  ├─ 3. 编写诊断脚本（隔离测试）
+  │     │
+  │     ├─ 正常 save/load 循环 → 确认基础路径是否健康
+  │     ├─ 编码异常检测 → BOM、GBK 混入等
+  │     ├─ 数据流变更检测 → 前端编辑/外部写入后列结构变化
+  │     └─ 回退链检测 → glob 扫描到非预期文件
+  │
+  ├─ 4. 最小化复现
+  │     针对失败的测试用例，提取最简输入证明根因
+  │
+  └─ 5. 修复 + 验证
+        最小改动修复 → 确认不影响正常输入
+```
+
+## 关键判断点
+
+- 错误不影响主流程 → 优先排查试探性调用和回退链
+- 列名校验失败但文件肉眼正常 → 优先检查 BOM 和不可见字符
+- 错误出现在外部数据入口 → 优先检查编码兼容性和数据清洗
--- a/.agents/skills/README.md
+++ b/.agents/skills/README.md
@@ -0,0 +1,17 @@
+---
+last_reviewed: 2026-06-11
+---
+
+# .agents/skills — Cursor Agent 技能目录
+
+存放 Cursor Agent 可调用的自动化技能定义。
+
+## 技能清单
+
+| 技能 | 说明 |
+|------|------|
+| `pre-commit-check/` | 提交前代码质量检查：运行 ruff lint/format、mypy 类型检查、deptry 依赖审计，自动修复可修复问题 |
+
+## 使用方式
+
+Agent 在用户请求提交代码或检查代码质量时自动触发对应技能，无需手动调用。
--- a/.agents/skills/pre-commit-check/SKILL.md
+++ b/.agents/skills/pre-commit-check/SKILL.md
@@ -0,0 +1,68 @@
+---
+name: pre-commit-check
+description: >-
+  Run pre-commit code quality checks (ruff lint/format, mypy type check, deptry dependency audit) 
+  and fix any issues before committing. Use when the user wants to commit code, asks to check code 
+  quality, or mentions pre-commit validation. Also use when preparing code for submission or 
+  when the user says "check before commit" or "run checks".
+---
+
+# Pre-Commit Code Quality Check
+
+## Workflow
+
+Run all checks in parallel first, then fix any issues iteratively:
+
+```
+Step 1: Run checks (parallel)
+  - uv run ruff check .
+  - uv run ruff format --check .
+  - uv run mypy src/
+  - uv run deptry .
+
+Step 2: If any check fails, fix issues
+  - ruff check --fix . (auto-fix lint issues)
+  - ruff format . (auto-format)
+  - Fix type annotation errors manually
+
+Step 3: Re-run all checks to confirm
+Step 4: Report results with table
+```
+
+## Common Fixes
+
+| Error | Fix |
+|-------|-----|
+| `UP038` | Replace `isinstance(e, (X, Y))` with `isinstance(e, X \| Y)` |
+| `no-untyped-def` | Add return type annotation (`-> None` for void functions) |
+| `I001` | Run `uv run ruff check --fix .` |
+| `no-any-return` | Use `cast(Type, expression)` from `typing` |
+| `type-arg` missing | Add type arguments: `dict[str, Any]` instead of `dict` |
+| `unused-ignore` | Remove stale `# type: ignore` comments |
+
+## Type Annotation Rules
+
+- Functions that modify data in-place and return nothing: `-> None`
+- Functions that call untyped external APIs: add `-> Any` return type
+- Dicts that hold mixed types (str + float): use `dict[str, Any]`
+- Import `Any` from `typing` when needed
+- Import `cast` from `typing` when `no-any-return` triggers
+
+## Verification Report
+
+After all checks pass, report:
+
+| 检查项 | 状态 |
+|--------|------|
+| `ruff check .` | ✅ |
+| `ruff format --check .` | ✅ |
+| `mypy src/` | ✅ |
+| `deptry .` | ✅ |
+
+## Notes
+
+- All commands use `uv run` prefix (project virtual environment)
+- `mypy` has `strict = true` in `pyproject.toml` - expect strict type checking
+- `ignore_missing_imports = true` is set, so missing third-party stubs are OK
+- If `tests.*` override shows "unused section" note, it's normal (no tests dir yet)
+- Never skip a check - all four must pass before committing
--- a/.coverage
+++ b/.coverage
--- a/.env.example
+++ b/.env.example
@@ -0,0 +1,13 @@
+# 系统 URL 配置（服务端专用，Web 用户无需配置）
+# 复制此文件为 .env 并填入实际值
+
+SSO_LOGIN_URL=https://your-sso-url/login
+PORTAL_URL=https://your-portal-url/oshall
+REIMBURSE_URL=http://your-reimburse-host:8081
+REIMBURSE_PAGE=/expen/common/common?v=4.0
+TRAVEL_PAGE=/expen/travel/travel?v=4.0
+
+# LLM 配置
+LLM_MODEL=your-model-name
+LLM_API_BASE=http://your-llm-host:port/v1
+LLM_API_KEY=your-api-key
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,5 @@ __pycache__/
 logs/
 .vscode/
 uploads/
+.env
+scripts/data/
--- a/PowerShell注意事项.md
+++ b/PowerShell注意事项.md
@@ -1,103 +0,0 @@
-# PowerShell 使用注意事项
-
-> 适用于 Windows 环境下的 Shell 命令执行。以下坑点均来自实际踩坑记录。
-
---
-
-## 1. 没有 `head` / `tail` / `sed` / `awk`
-
-PowerShell 不是 bash，这些 Unix 工具不存在。
-
-| bash | PowerShell 替代 |
-|------|-----------------|
-| `cmd \| head -n 5` | `cmd \| Select-Object -First 5` |
-| `cmd \| tail -n 3` | `cmd \| Select-Object -Last 3` |
-| `grep pattern file` | `Select-String pattern file`（或直接调用 `rg`） |
-
-**优先用 ripgrep (`rg`)**：搜索文件内容时直接用 `rg`，不依赖 PowerShell 内置工具。
-
---
-
-## 2. 引号嵌套规则严格
-
-PowerShell 对外部命令的引号处理不同于 bash：
-
- `"` 是双引号字符串，内部变量会展开
- `'` 是单引号字符串，不展开变量
- `-c "..."` 里再嵌套 Python 的 `"..."` 或 `r'...'` 时，层数超过两层极易出错
-
-**示例：**
-
-```powershell
-# 危险：$e 会被 PowerShell 当作变量展开
-python -c "print(f'error: {$e}')"
-
-# 安全：用单引号包裹整个 -c 参数（PowerShell 不展开单引号）
-python -c 'print("hello")'
-```
-
-**最佳实践**：复杂命令写进临时 `.py` 脚本文件执行，而不是用 `-c` 一行塞完。
-
---
-
-## 3. `$` 变量展开干扰
-
-在双引号字符串中，PowerShell 会尝试解析 `$var`、`${expr}`。如果 Python 代码里包含 f-string 的 `{...}` 或正则里的 `$`，会被 PowerShell 提前处理。
-
-**应对**：用单引号包裹整个命令参数，或将逻辑写进脚本文件。
-
---
-
-## 4. Unicode / GBK 编码冲突
-
-Windows PowerShell 默认控制台编码是 GBK。当 Python 输出包含非 GBK 字符（如全角符号、emoji、CJK 扩展字符）时：
-
-```
-UnicodeEncodeError: 'gbk' codec can't encode character '\uff08' in position X
-```
-
-**解决：**
-
- Python 脚本开头加 `sys.stdout.reconfigure(encoding='utf-8')`
- 或设置环境变量 `$env:PYTHONIOENCODING = 'utf-8'`
- 或将输出写入文件而非直接打印到控制台
-
---
-
-## 5. stderr 重定向行为不一致
-
-bash 的 `2>&1` 在 PowerShell 中对外部程序（如 Python）有时能工作，但格式可能错乱。PowerShell 默认只捕获 stdout（流编号 6），stderr（流编号 2）需要显式合并。
-
-| 写法 | 说明 |
-|------|------|
-| `cmd 2>&1` | stderr 合并到 stdout，对外部程序可用但不稳定 |
-| `cmd *>&1` | PowerShell 特有语法，捕获所有输出流，更可靠 |
-
-**实际表现**：Python Traceback 走 stderr，用 `2>&1` 有时被 PowerShell 拦截后格式错乱。建议优先写脚本文件执行。
-
---
-
-## 6. 中文路径在错误回显中乱码
-
-命令失败时，PowerShell 的 stderr 回显中包含中文的路径会显示为 `<60><><EFBFBD><EFBFBD><EFBFBD>`。不影响命令执行本身，但会让错误信息难以阅读。
-
-**应对**：优先通过 Python 脚本自身打印结构化错误（写入文件或返回 JSON），而非依赖 PowerShell 的错误捕获来诊断问题。
-
---
-
-## 7. 管道传递的是对象而非文本
-
-PowerShell 的管道传递的是 .NET 对象而非文本字节流。当把 PowerShell 管道接到外部程序时，对象的 `ToString()` 可能不是预期的格式。
-
---
-
-## 核心原则速查
-
-1. **复杂命令写脚本**：超过一行的操作，写成 `.py` 或 `.ps1` 文件执行
-2. **优先用 ripgrep (`rg`)**：搜索文件内容时直接用 `rg`
-3. **编码问题提前处理**：Python 入口设 `sys.stdout.reconfigure(encoding='utf-8')`
-4. **避免 `-c` 嵌套引号超过两层**
-
---
-
-*创建于 2026-05-27 | Windows PowerShell + Python 环境*
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # 财务报销自动化

-自动从 PDF 发票提取信息，生成发票汇总表与易耗品出库单，并可选在财务系统中自动填报报销单。
+自动从 PDF 发票或图片中提取信息，生成发票汇总表与易耗品出库单，并可选在财务系统中自动填报报销单。

 **支持发票类型区分**：系统自动识别高铁票、酒店住宿等差旅发票与普通发票。差旅发票不生成易耗品出库单，走差旅报销流程；普通发票生成出库单，走普通报销流程。

@@ -11,8 +11,9 @@
 ├── uv.lock                         # 依赖锁定文件
 ├── Makefile                        # 任务脚本（跨平台）
 ├── tasks.py                        # 任务脚本（Windows 兼容）
-├── config.json                     # 配置文件（登录凭据、默认值等）
-├── config.example.json             # 配置示例
+├── .pre-commit-config.yaml         # pre-commit 钩子配置
+├── .env.example                    # 环境变量示例（SSO 地址、LLM 配置等）
+├── config.example.json             # 用户配置示例
 ├── 易耗品、出库单.doc              # 易耗品出库单 Word 模板
 ├── src/
 │   ├── __init__.py                 # 包初始化 / 日志器
@@ -22,8 +23,9 @@
 │   ├── main.py                     # CLI 入口
 │   ├── doc/                        # 文档处理模块
 │   │   ├── extractor.py            # 编排入口：串联 PDF 读取 → LLM 提取 → 分类
-│   │   ├── pdf.py                  # PDF 文件发现与文本提取
+│   │   ├── pdf.py                  # PDF 图片渲染（PyMuPDF，供多模态 LLM 使用）
 │   │   ├── llm_extractor.py        # LLM 信息提取
+│   │   ├── matcher.py              # 数据匹配与校验
 │   │   ├── invoice.py              # 发票类型常量、分类逻辑、CSV 读写工具
 │   │   ├── fill_consumable_doc.py  # 将 CSV 填入易耗品出库单（Word COM）
 │   │   ├── prompt.py               # LLM 提示词模板
@@ -33,19 +35,24 @@
 │       ├── templates/
 │       │   ├── index.html          # PC 端主页
 │       │   └── mobile_upload.html  # 移动端扫码上传
-│       ├── static/                 # 前端 CSS / JS
+│       ├── static/
+│       │   ├── css/                # 样式文件
+│       │   └── js/                 # 前端脚本
 │       └── uploads/                # 按会话隔离的上传与产物目录
+├── scripts/                        # CLI 数据目录
+│   ├── data/                       # 发票源文件、config.json 与 .invoice_cache 缓存
+│   └── test_*.py                   # 测试脚本
 ├── tests/                          # 测试目录
-├── *.pdf                           # 发票 PDF（CLI 模式，放在项目根目录）
-├── invoice_summary.csv             # 发票汇总表（CLI 产物）
-└── images/                         # 浏览器调试截图
+├── docs/                           # 用户文档（API 说明、操作指南等）
+├── images/                         # 浏览器调试截图
+└── *.pdf / *.jpg / *.png           # 发票 PDF 或图片（CLI 模式，放在 scripts/data/）
 ```

 ## 数据流

 ```mermaid
 flowchart TB
-    PDF[PDF 发票] --> Extract[extractor 提取]
+    PDF[PDF 发票 / 图片] --> Extract[extractor 提取]
    Extract --> Classify{发票类型分类}
    Classify -->|差旅发票| Travel[高铁票 / 酒店住宿]
    Classify -->|普通发票| General[普通发票]
@@ -54,7 +61,7 @@ flowchart TB
    CSV -->|仅普通发票| Fill[fill_consumable_doc]
    Fill --> Doc[易耗品、出库单.doc]
    CSV --> Bot[bot 浏览器自动化]
-    Bot -->|差旅模式| Submit_T[差旅报销填报<br/>TODO]
+    Bot -->|差旅模式| Submit_T[差旅报销填报]
    Bot -->|普通模式| Submit_G[普通报销填报]
 ```

@@ -79,18 +86,19 @@ python tasks.py install

 | 依赖 | 用途 |
 |------|------|
-| pdfplumber | PDF 发票文本提取 |
+| PyMuPDF | PDF 图片渲染（供多模态 LLM 使用） |
+| llama-index | LLM 信息提取（发票识别、差旅信息提取） |
 | playwright | 财务系统浏览器自动化 |
 | flask | Web 服务 |
 | pywin32 | 填写 Word 出库单（`fill_consumable_doc`） |

 ### 2. 准备数据（CLI 模式）

-将发票 PDF 放在项目根目录下。
+将发票 PDF 或图片（`.jpg`、`.png`、`.webp`、`.bmp`）放在 `scripts/data/` 目录下。

 ### 3. 配置

-编辑 `config.json`：
+编辑 `scripts/config.json`（参考 `config.example.json`）：

 ```json
 {
@@ -99,7 +107,7 @@ python tasks.py install
    "default_name": "默认报销人姓名",
    "default_card_no": "默认公务卡号",
    "default_person_id": "默认人员编号",
-    "consumable_storage": "躬行楼 C205"
+    "consumable_storage": "物料存储地"
 }
 ```

@@ -109,8 +117,20 @@ python tasks.py install
 | `default_name` | 默认报销人姓名 |
 | `default_card_no` | 默认公务卡号 |
 | `default_person_id` | 默认人员编号（工号） |
-| `consumable_storage` | 出库单「存放地点」列默认值 |
-| `sso_login_url` 等 | 系统 URL，一般无需修改 |
+| `consumable_storage` | 出库单「存放地点」列默认值（默认: `躬行楼 C205`） |
+
+**服务端配置**（SSO 地址、报销系统 URL、LLM 参数）通过环境变量提供，有默认值，一般无需修改：
+
+| 环境变量 | 默认值 | 说明 |
+|----------|--------|------|
+| `SSO_LOGIN_URL` | `https://tyrz.fynu.edu.cn/sso/login` | SSO 登录地址 |
+| `PORTAL_URL` | `https://tyrz.fynu.edu.cn/oshall` | 统一信息平台地址 |
+| `REIMBURSE_URL` | `http://210.45.32.214:8081` | 报销系统地址 |
+| `REIMBURSE_PAGE` | `/expen/common/common?v=4.0` | 普通报销页面路径 |
+| `TRAVEL_PAGE` | `/expen/travel/travel?v=4.0` | 差旅报销页面路径 |
+| `LLM_MODEL` | `qwen-vl-max` | LLM 模型名称 |
+| `LLM_API_BASE` | `http://localhost:8080/v1` | LLM API 地址 |
+| `LLM_API_KEY` | `lm-studio` | LLM API 密钥 |

 ### 4. 运行（CLI）

@@ -135,39 +155,62 @@ uv run python src/main.py -u 工号 -p 密码
 ```bash
 uv run python -m src.doc.fill_consumable_doc
 uv run python -m src.doc.fill_consumable_doc --csv invoice_summary.csv --doc "易耗品、出库单.doc"
+uv run python -m src.doc.fill_consumable_doc --config scripts/config.json  # 指定配置文件
 uv run python -m src.doc.fill_consumable_doc --no-backup   # 不生成 .doc.bak 备份
 ```

 填写规则概要：

 - 表头「日期」使用**填写当天**的日期（非发票开票日期）
- 从 `规格型号` 解析品名、规格、单位、数量、单价；`价税合计` 写入金额列
+- 从 `spec_model` 解析品名、规格、单位、数量、单价；`card_amount` 写入金额列
 - 单价/金额保留两位小数；表格内统一为 **宋体五号（10.5 磅）**
- 存放地点取自 `consumable_storage`；购货人/领用人签字、备注保持空白
+- 存放地点取自 `consumable_storage`（默认: `躬行楼 C205`）；购货人/领用人签字、备注保持空白

 ## 执行步骤说明

 | 步骤 | 命令 | 说明 |
 |------|------|------|
-| 发票提取 | `--step invoice` | 扫描根目录 PDF，生成 `invoice_summary.csv` |
+| 发票提取 | `--step invoice` | 扫描 `scripts/data/` 目录的 PDF 和图片，生成 `invoice_summary.csv` |
 | 浏览器填报 | `--step submit` | 登录信息门户 → 报销系统 → 自动填单、上传附件 |

-> 分步执行时，上一步的 CSV 会自动成为下一步的输入。
+> 全流程执行时数据在内存中流转，CSV 为参考产物。分步执行时，缓存数据会自动成为下一步的输入。
+
+### 缓存机制
+
+系统使用 JSON 缓存作为数据中转站，串联整个处理流程：
+
+```
+源文件 (PDF/图片) → LLM 多模态提取 → JSON 缓存 → 匹配/分类/填报
+```
+
+| 缓存文件 | 说明 |
+|----------|------|
+| `<文件名>.json` | 每个源文件的 LLM 提取结果（发票信息、支付记录等） |
+| `match_result.json` | 发票与支付记录的匹配结果 |
+| `travel_info.json` | 差旅信息（事由、地点、时间等）提取结果 |
+
+缓存位置：CLI 模式为 `scripts/data/.invoice_cache/`，Web 模式为 `src/web/uploads/<session_id>/.invoice_cache/`。缓存文件与源文件同名（如 `发票1.pdf` 对应 `.invoice_cache/发票1.json`），后续步骤（金额匹配、发票分类、浏览器填报）均从缓存读取结构化数据。删除缓存后下次处理会重新提取。

 ### CSV 字段说明

+发票级别 CSV（`invoice_summary.csv`）使用英文列名：
+
 | 列名 | 说明 |
 |------|------|
-| 序号 | 行号 |
-| 发票类型 | 自动识别：`高铁票` / `酒店住宿` / `普通发票` |
-| 发票号码 | 电子发票号码 |
-| 开票日期 | 开票日期 |
-| 项目名称 / 规格型号 | 货物或应税劳务信息（差旅发票为出发站→到达站） |
-| 价税合计 | 发票含税金额 |
-| 销售方名称 | 销方名称 |
-| 出发站 / 到达站 / 车次 / 乘车日期 / 座位等级 | 高铁票专用字段 |
-| 人员姓名 / 刷卡日期 / 公务卡号 / 刷卡金额 | 可手工或 Web 端编辑补充 |
-| 备注 / 工号 | 可手工或 Web 端编辑补充 |
+| `index` | 行号 |
+| `invoice_type` | 发票类型：`train` / `hotel` / `general` |
+| `invoice_number` | 电子发票号码 |
+| `invoice_date` | 开票日期 |
+| `item_name` | 货物或应税劳务名称 |
+| `spec_model` | 规格型号（差旅发票为出发站→到达站） |
+| `total_amount` | 发票含税金额 |
+| `seller_name` | 销方名称 |
+| `departure` / `arrival` | 出发站 / 到达站（高铁票专用） |
+| `train_no` / `ride_date` / `seat_class` | 车次 / 乘车日期 / 座位等级（高铁票专用） |
+| `person_name` | 人员姓名 |
+| `card_date` / `card_no` / `card_amount` | 刷卡日期 / 公务卡号 / 刷卡金额 |
+| `remark` | 备注 |
+| `person_id` | 工号 |

 ## Web 服务

@@ -181,7 +224,7 @@ uv run python src/web/app.py

 ### 推荐使用流程

-1. 上传 PDF（或上传已有 CSV）
+1. 上传 PDF 或图片（或上传已有 CSV）
 2. 填写配置（账号、密码、姓名、公务卡号、存放地点等），可上传 `config.json` 一键填充
 3. 点击 **开始处理** — 完成发票提取、生成 CSV，系统自动识别发票类型并分类统计
 4. **普通发票**：自动生成 **易耗品、出库单.doc**，可下载
@@ -189,30 +232,24 @@ uv run python src/web/app.py
 6. 在表格中核对、修改发票数据（提交财务系统前会自动保存）
 7. 确认无误后点击 **提交到财务系统**

-### 处理模式
+### 处理流程

-| 模式 | 入口 | 说明 |
-|------|------|------|
-| **PDF 模式** | 上传 PDF | 提取发票 → 生成 CSV + 自动分类 → 普通发票生成出库单 |
-| **CSV 快捷模式** | 仅上传 CSV | 跳过提取，读取 CSV 中的发票类型，按需生成出库单 |
+上传 PDF 或图片 → LLM 识别文档类型 → 结构化提取 → 分类处理

-### 发票类型区分
+系统通过 LLM 多模态识别自动判断每张文档的类型，无需手动指定：

-系统自动识别以下发票类型并按类型分流：
-
-| 发票类型 | 识别依据 | 出库单 | 填报模式 |
-|----------|----------|--------|----------|
-| **高铁票** | 含"电子客票"、"中国铁路"、"12306"等关键词 | 不生成 | 差旅报销（TODO） |
-| **酒店住宿** | 含"住宿费"、"餐饮服务"、"租赁服务"等关键词 | 不生成 | 差旅报销（TODO） |
-| **普通发票** | 其他所有发票 | 自动生成 | 普通报销（已实现） |
-
-当同一批次同时包含差旅发票和普通发票时，系统会为普通发票生成出库单，并在填报时分别处理。
+| 文档类型 | 处理方式 | 状态 |
+|----------|----------|------|
+| 发票（高铁票/酒店住宿/普通发票） | 提取发票信息 → 金额匹配 → 分类 | 已实现 |
+| 支付记录（刷卡截图） | 提取刷卡信息 → 与发票匹配 | 已实现 |
+| 出差事前申请单 | 提取出差事由、地点、时间 | 已实现 |
+| 飞机票 | 同高铁票处理流程 | 计划中 |

 ### 功能一览

 | 功能 | 说明 |
 |------|------|
-| 发票提取 | 上传 PDF 后自动完成 |
+| 发票提取 | 上传 PDF 或图片后自动完成 |
 | 发票类型自动分类 | 高铁票/酒店住宿/普通发票，自动分流处理 |
 | 易耗品出库单 | 仅普通发票自动生成 Word，差旅发票跳过 |
 | 表格在线编辑 | 处理完成后可修改 CSV 各字段；保存后重新生成出库单 |
@@ -221,9 +258,26 @@ uv run python src/web/app.py
 | 配置上传 | 支持上传 `config.json` 填充表单 |
 | 手机扫码上传 | 二维码打开移动端页面，拍照上传，PC 端轮询同步 |

-> Web 端浏览器填报以无头模式运行。未上传 PDF 时，填报阶段会跳过附件上传。
+> Web 端浏览器填报以无头模式运行。未上传 PDF 或图片时，填报阶段会跳过附件上传。
 > 出库单生成需要 **Windows + Word + pywin32**；若失败，页面会显示具体原因，CSV 等其它产物仍可正常使用。

+### 会话产物
+
+每次上传生成独立会话，产物存放在 `src/web/uploads/<session_id>/`：
+
+| 产物 | 说明 |
+|------|------|
+| `invoice_summary.csv` | 发票汇总数据（含 LLM 识别结果） |
+| `payment_records.csv` | 支付记录级别数据（含匹配结果） |
+| `travel_applications.json` | 出差事前申请单数据（JSON 格式） |
+| `易耗品、出库单.doc` | 自动填写的出库单（仅普通发票） |
+| `config.json` | 当次会话配置 |
+| `session.log` | 处理日志 |
+| `result.json` | 处理结果 |
+| `.invoice_cache/` | LLM 提取结果缓存（JSON 格式，避免重复处理） |
+
+会话缓存机制与 CLI 模式相同，缓存目录中的 JSON 数据是后续匹配、分类和填报的唯一数据来源。
+
 接口说明见 [API.md](./API.md)。

 ## 开发任务
@@ -254,5 +308,5 @@ uv run python src/web/app.py
 - 浏览器填报时会打开或使用 Chromium，请勿手动干扰自动化流程
 - 调试截图保存在 `images/` 目录
 - 项目根目录需保留 `易耗品、出库单.doc` 模板；Web 每次从模板复制到会话目录再填写，不修改原模板
- `config.json` 含敏感信息，请勿提交到公开仓库
- **发票类型区分**：差旅发票（高铁票/酒店住宿）不会生成易耗品出库单，当前差旅报销填报流程仍在开发中（TODO）
+- `scripts/config.json` 含敏感信息，请勿提交到公开仓库
+- **发票类型区分**：差旅发票（高铁票/酒店住宿）不会生成易耗品出库单，差旅报销填报流程已完整实现（含差旅信息提取、明细录入、支付方式、补助清单、附件上传）
--- a/config.example.json
+++ b/config.example.json
@@ -1,17 +1,8 @@
 {
    "username": "你的工号",
    "password": "你的密码",
-    "sso_login_url": "https://tyrz.fynu.edu.cn/sso/login",
-    "portal_url": "https://tyrz.fynu.edu.cn/oshall",
-    "reimburse_url": "http://210.45.32.214:8081",
-    "reimburse_page": "/expen/common/common?v=4.0",
    "default_name": "默认报销人姓名",
    "default_card_no": "默认公务卡号",
    "default_person_id": "默认人员编号",
-    "consumable_storage": "躬行楼 C205",
-    "llm": {
-        "model": "你的模型名称",
-        "api_base": "你的API地址",
-        "api_key": "你的API密钥"
-    }
+    "consumable_storage": "躬行楼 C205"
 }
--- a/config.json
+++ b/config.json
@@ -1,17 +0,0 @@
-{
-    "username": "202407021",
-    "password": "wang!1624155937",
-    "sso_login_url": "https://tyrz.fynu.edu.cn/sso/login",
-    "portal_url": "https://tyrz.fynu.edu.cn/oshall",
-    "reimburse_url": "http://210.45.32.214:8081",
-    "reimburse_page": "/expen/common/common?v=4.0",
-    "default_name": "王建锋",
-    "default_card_no": "6282880139161682",
-    "default_person_id": "202407021",
-    "consumable_storage": "新工科 D605",
-    "llm": {
-        "model": "qwen/qwen3.5-9b",
-        "api_base": "http://100.123.83.115:1234/v1",
-        "api_key": "123456"
-    }
-}
--- a/docs/API.md
+++ b/docs/API.md
@@ -14,16 +14,15 @@ last_reviewed: 2026-06-09
 | 1 | GET | `/` | PC 端主页 |
 | 2 | POST | `/api/session` | 创建会话 |
 | 3 | POST | `/api/upload/<session_id>` | 上传文件（PDF/图片） |
-| 4 | POST | `/api/upload-csv/<session_id>` | 上传 CSV 发票数据 |
-| 5 | GET | `/api/files/<session_id>` | 列出会话目录中的文件 |
-| 6 | POST | `/api/process/<session_id>` | 启动处理（提取+LLM识别+出库单） |
-| 7 | GET | `/api/logs/<session_id>` | SSE 日志流 |
-| 8 | GET | `/api/download/<session_id>/<filename>` | 下载生成的文件 |
-| 9 | GET | `/api/data/<session_id>` | 获取发票数据（JSON） |
-| 10 | POST | `/api/save/<session_id>` | 保存编辑后的发票数据 |
-| 11 | POST | `/api/submit-financial/<session_id>` | 提交到财务系统 |
-| 12 | GET | `/mobile/<session_id>` | 移动端上传页面 |
-| 13 | POST | `/api/mobile-upload/<session_id>` | 移动端上传图片 |
+| 4 | GET | `/api/files/<session_id>` | 列出会话目录中的文件 |
+| 5 | POST | `/api/process/<session_id>` | 启动处理（提取+LLM识别+出库单） |
+| 6 | GET | `/api/logs/<session_id>` | SSE 日志流 |
+| 7 | GET | `/api/download/<session_id>/<filename>` | 下载生成的文件 |
+| 8 | GET | `/api/data/<session_id>` | 获取发票数据（JSON） |
+| 9 | POST | `/api/save/<session_id>` | 保存编辑后的发票数据 |
+| 10 | POST | `/api/submit-financial/<session_id>` | 提交到财务系统 |
+| 11 | GET | `/mobile/<session_id>` | 移动端上传页面 |
+| 12 | POST | `/api/mobile-upload/<session_id>` | 移动端上传图片 |

 ---

@@ -78,28 +77,7 @@ HTTP `400`

 ---

-### 3. 上传 CSV 发票数据
-
-```
-POST /api/upload-csv/<session_id>
-Content-Type: multipart/form-data
-```
-
-| 字段 | 类型 | 说明 |
-|------|------|------|
-| file | File | 发票汇总 CSV |
-
-**响应（成功）:**
-
-```json
-{ "ok": true, "filename": "invoice_summary.csv" }
-```
-
-> 上传 CSV 后可跳过 PDF 提取和 LLM 识别，直接进入处理/编辑流程。
-
---
-
-### 4. 列出会话文件
+### 3. 列出会话文件

 ```
 GET /api/files/<session_id>
@@ -129,7 +107,6 @@ Content-Type: application/json

 | 字段 | 类型 | 必填 | 说明 |
 |------|------|------|------|
-| mode | string | 否 | `"pdf"` / `"csv"` / `"auto"`（默认 `auto`） |
 | username | string | 否 | 财务系统工号 |
 | password | string | 否 | 登录密码 |
 | default_name | string | 否 | 默认报销人姓名 |
@@ -137,15 +114,7 @@ Content-Type: application/json
 | default_person_id | string | 否 | 默认人员编号 |
 | consumable_storage | string | 否 | 出库单存放地点；未填则用 `config.json` 中的值 |

-**mode 行为:**
-
-| mode | 行为 |
-|------|------|
-| `auto` | 仅有 CSV、无 PDF → CSV 模式；否则 → PDF 提取 + LLM 识别 |
-| `csv` | 使用已上传 CSV，跳过提取与 LLM 识别 |
-| `pdf` | 执行 PDF 提取 + LLM 识别 |
-
-**处理内容（PDF 模式）:**
+**处理内容:**

 1. 从会话目录 PDF 提取发票信息 → `invoice_summary.csv`
 2. 对支付截图多模态 LLM 识别，回填刷卡字段
@@ -270,7 +239,6 @@ GET /api/download/<session_id>/<filename>
 |--------|------|
 | `invoice_summary.csv` | 发票汇总（含 LLM 识别结果） |
 | `易耗品、出库单.doc` | 自动填写的出库单 |
-| 用户上传的 CSV 名 | CSV 快捷模式下的原始文件 |

 **错误:**

--- a/docs/README.md
+++ b/docs/README.md
@@ -0,0 +1,18 @@
+---
+last_reviewed: 2026-06-11
+---
+
+# docs — 公开文档目录
+
+本目录存放面向项目用户和外部贡献者的公开文档及说明文件。
+
+## 文档清单
+
+| 文件 | 说明 |
+|------|------|
+| `API.md` | Web API 完整接口文档：路由、请求/响应格式、SSE 日志流、错误码、端到端流程 |
+| `报销操作指南.md` | 面向最终用户的操作步骤说明 |
+
+## 文档边界
+
+维护规范、实施方案、经验总结等内部资料统一放置在 `.agents/` 目录下，不混入本目录。
--- a/docs/报销操作指南.md
+++ b/docs/报销操作指南.md
@@ -65,37 +65,11 @@ uv run python src/main.py -u 202407021 -p "your_password"

 ### 3.1 发票数据 CSV

-系统支持两种数据输入方式：
-
-**方式 A：PDF 发票 + 支付截图（自动提取）**
-
 上传 PDF 发票文件和支付截图，系统自动完成：
 1. 从 PDF 提取发票信息
 2. 多模态 LLM 识别支付截图中的刷卡信息
 3. 生成 `invoice_summary.csv`

-**方式 B：直接上传 CSV（快捷模式）**
-
-已有发票数据 CSV 可直接上传，跳过 PDF 提取和 LLM 识别步骤。
-
-CSV 需包含以下列：
-
-| 列名 | 说明 | 示例 |
-|------|------|------|
-| 序号 | 发票序号 | 1, 2, 3... |
-| 发票号码 | 发票编号 | 26442000005432652421 |
-| 开票日期 | 发票开具日期 | 2026/5/18 |
-| 项目名称 | 采购项目名称 | 电阻一批 |
-| 规格型号 | 规格型号 | — |
-| 价税合计 | 发票金额 | 2900.00 |
-| 销售方名称 | 商户/销售方 | 佛山市泓宇芯科技有限公司 |
-| 人员姓名 | 报销人 | 王建锋（默认值） |
-| 刷卡日期 | 公务卡消费日期 | 2026/5/18 → 自动转为 2026-05-18 |
-| 公务卡号 | 公务卡卡号 | 6282880139161682（默认值） |
-| 刷卡金额 | 实际刷卡金额 | 2900.00 |
-| 备注 | 备注信息 | — |
-| 工号 | 人员工号 | 202407021（默认值） |
-
 ### 3.2 发票类型分类

 系统自动将发票分为两类，影响后续处理流程：
@@ -125,7 +99,6 @@ uv run python src/web/app.py
 1. **发票 PDF**：点击或拖拽上传 PDF 文件（支持多选）
 2. **支付截图**：点击或拖拽上传图片文件（支持多选）
 3. **手机扫码上传**：扫描页面二维码，通过手机拍照上传支付截图
-4. **CSV 快捷上传**：已有发票数据 CSV 可直接上传，跳过提取和 LLM 识别

 ### 4.3 配置信息

--- a/invoice_summary.csv
+++ b/invoice_summary.csv
@@ -1,4 +0,0 @@
-序号,发票类型,发票号码,开票日期,项目名称,规格型号,价税合计,销售方名称,出发站,到达站,车次,乘车日期,座位等级,人员姓名,刷卡日期,公务卡号,刷卡金额,备注,工号
-1,高铁票,26349119343000154520,2026/3/23,,,,,阜阳西,无锡东,G7221,2026/3/21,二等座,王建锋,,,,,
-2,高铁票,26329166851000278168,2026/3/23,,,,,无锡东,阜阳西,G1826,2026/3/22,二等座,王建锋,,,,,
-3,酒店住宿,26322000002199439186,2026/3/23,*住宿服务*住宿费 间 天 1 347.735849056604 347.74 6% 20.86,住宿费 间 天 1 347.735849056604 347.74 6% 20.86,368.6,,,,,,,,,,,,
--- a/pipeline.log
+++ b/pipeline.log
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ requires-python = ">=3.12"
 dependencies = [
    "flask>=3.0",
    "playwright>=1.40",
-    "pdfplumber>=0.10",
+    "PyMuPDF>=1.24",
    "pywin32>=306",
    "llama-index>=0.12.0",
    "llama-index-llms-openai-like==0.7.2",
--- a/scripts/README.md
+++ b/scripts/README.md
@@ -0,0 +1,21 @@
+---
+last_reviewed: 2026-06-11
+---
+
+# scripts — 测试脚本目录
+
+存放用于测试各模块功能的独立脚本，可直接运行。
+
+## 脚本清单
+
+| 文件 | 说明 |
+|------|------|
+| `test_multimodal.py` | 测试 PDF 多模态提取完整链路（PDF 渲染 + LLM 提取） |
+| `test_travel_info.py` | 测试差旅信息提取函数（数据从 `data/.invoice_cache` 缓存加载） |
+
+## 运行方式
+
+```bash
+uv run python scripts/test_multimodal.py
+uv run python scripts/test_travel_info.py
+```
--- a/scripts/test_multimodal.py
+++ b/scripts/test_multimodal.py
@@ -0,0 +1,81 @@
+#!/usr/bin/env python3
+"""测试 PDF 多模态提取完整链路
+
+用法:
+    python scripts/test_multimodal.py
+"""
+
+import io
+import sys
+from pathlib import Path
+
+# Windows 终端强制 UTF-8
+sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding="utf-8", errors="replace")
+
+ROOT = Path(__file__).resolve().parent.parent
+sys.path.insert(0, str(ROOT))  # noqa: E402
+
+from src.doc.llm_extractor import extract_document  # noqa: E402
+from src.doc.pdf import render_pdf_to_images  # noqa: E402
+
+
+def test_render() -> None:
+    """测试 PDF 渲染"""
+    pdf_path = ROOT / "事前申请单.pdf"
+    if not pdf_path.exists():
+        print(f"跳过: {pdf_path.name} 不存在")
+        return
+
+    print("=" * 60)
+    print("测试 PDF 渲染")
+    print("=" * 60)
+    try:
+        images = render_pdf_to_images(pdf_path, dpi=150)
+        if images:
+            print(f"成功渲染 {len(images)} 页")
+            for i, img_b64 in enumerate(images):
+                print(f"  第 {i + 1} 页: base64 长度 {len(img_b64)} 字符")
+        else:
+            print("渲染返回空列表！")
+    except ImportError as e:
+        print(f"导入失败: {e}")
+    except Exception as e:
+        print(f"渲染异常: {e}")
+
+
+def test_multimodal_extract() -> None:
+    """测试完整的多模态提取链路"""
+    pdf_path = ROOT / "事前申请单.pdf"
+    if not pdf_path.exists():
+        print(f"跳过: {pdf_path.name} 不存在")
+        return
+
+    print()
+    print("=" * 60)
+    print("测试多模态提取")
+    print("=" * 60)
+    try:
+        result = extract_document(pdf_path)
+        if result:
+            print("提取成功:")
+            import json
+
+            print(json.dumps(result, ensure_ascii=False, indent=2))
+        else:
+            print("提取返回空字典！")
+    except Exception as e:
+        print(f"提取异常: {e}")
+        import traceback
+
+        traceback.print_exc()
+
+
+def main() -> None:
+    test_render()
+    test_multimodal_extract()
+    print()
+    print("测试完成!")
+
+
+if __name__ == "__main__":
+    main()
--- a/scripts/test_travel_info.py
+++ b/scripts/test_travel_info.py
@@ -0,0 +1,54 @@
+#!/usr/bin/env python3
+"""直接测试 extract_travel_info 函数
+
+所有数据从 .invoice_cache 缓存中自动加载，无需手动构造样本数据。
+
+用法:
+    python scripts/test_travel_info.py
+"""
+
+import json
+import sys
+from pathlib import Path
+
+# 项目根目录
+ROOT = Path(__file__).resolve().parent.parent
+sys.path.insert(0, str(ROOT))  # noqa: E402
+
+from src.doc.llm_extractor import extract_travel_info  # noqa: E402
+
+
+def main() -> None:
+    source_dir = ROOT / "scripts" / "data"
+
+    if not source_dir.exists():
+        print(f"源文件目录不存在: {source_dir}")
+        sys.exit(1)
+
+    print("=" * 60)
+    print("测试 extract_travel_info（数据来自缓存）")
+    print("=" * 60)
+    print(f"源文件目录: {source_dir}")
+    print()
+
+    try:
+        result = extract_travel_info(
+            source_dir=source_dir,
+        )
+        print()
+        print("=" * 60)
+        print("提取结果:")
+        print("=" * 60)
+        print(json.dumps(result, ensure_ascii=False, indent=2))
+        print()
+        print("测试通过!")
+    except Exception as e:
+        print(f"测试失败: {e}")
+        import traceback
+
+        traceback.print_exc()
+        sys.exit(1)
+
+
+if __name__ == "__main__":
+    main()
--- a/src/README.md
+++ b/src/README.md
@@ -0,0 +1,92 @@
+---
+last_reviewed: 2026-06-11
+---
+
+# src — 主源码目录
+
+包含财务报销自动化系统的核心模块。
+
+## 模块清单
+
+| 文件/目录 | 说明 |
+|-----------|------|
+| `__init__.py` | 包初始化：提供 `get_logger()` 日志工厂（支持终端 + 文件双输出，按日期自动分文件） |
+| `config.py` | 配置加载：从 `config.json` 读取用户凭据和默认值，从环境变量读取服务端配置（SSO 地址、LLM 参数） |
+| `pipeline.py` | 流程编排：串联发票提取 → 分类 → CSV 保存 → 浏览器填报，支持分步执行 |
+| `main.py` | CLI 入口：支持 `--step` 分步执行、`-u/-p` 覆盖凭据、`--cache-dir` 指定缓存目录 |
+| `bot.py` | 浏览器自动化：Playwright 驱动的财务系统填报机器人（含差旅/普通两种模式，支持 headless） |
+| `doc/` | 文档处理模块：PDF 渲染、LLM 提取、支付匹配、发票分类、出库单生成 |
+| `web/` | Web 界面模块：Flask 应用、SSE 日志、可编辑表格、移动端上传、会话隔离 |
+
+## 数据流
+
+```
+CLI/Web 入口 → pipeline.py (编排)
+                   ↓
+            doc/extractor.py (统一提取入口)
+                   ↓
+            ┌──── doc/pdf.py (PDF 渲染为图片)
+            │
+            ├── doc/llm_extractor.py (多模态 LLM 识别)
+            │       ├── 发票 (invoice_type=train/hotel/general)
+            │       ├── 支付记录 (invoice_type=payment)
+            │       └── 出差事前申请单 (invoice_type=application)
+            │
+            ├── doc/matcher.py (发票与支付记录按金额匹配)
+            │       ├── 一对一匹配 (发票数 == 刷卡数)
+            │       └── 一对多匹配 (贪心算法，相对容差 3%)
+            │
+            └── doc/invoice.py (CSV/JSON 读写)
+                    ├── payment_records.csv (支付记录级别)
+                    ├── invoice_summary.csv (发票级别)
+                    └── travel_applications.json (出差申请单)
+                   ↓
+            doc/fill_consumable_doc.py (普通发票 → Word 出库单)
+                   ↓
+            bot.py (浏览器填报)
+                ├── 差旅模式: 差旅信息提取 → 填报差旅单 → 上传差旅附件
+                └── 普通模式: 基本信息 → 录入明细 → 支付信息 → 上传附件
+```
+
+## 文档处理子模块 (`doc/`)
+
+详见 [`doc/README.md`](doc/README.md)
+
+核心能力：
+- **统一文档提取**：LLM 自行判断文档类型（发票/支付记录/出差事前申请单），无需正则回退
+- **JSON 缓存**：提取结果缓存于 `.invoice_cache/`，避免重复处理
+- **金额匹配**：支持一对多匹配，相对容差 3%，未匹配发票单独列为记录
+- **差旅信息提取**：综合发票、支付记录和匹配结果，提取出差事由、地点、时间等
+- **出库单生成**：将 CSV 数据填入 Word 模板（pywin32 COM，仅 Windows）
+
+## Web 界面子模块 (`web/`)
+
+详见 [`web/README.md`](web/README.md)
+
+核心能力：
+- **会话隔离**：每次上传生成独立 `session_id`，文件/日志/配置/结果各自隔离
+- **移动端同步**：PC 端生成二维码指向 `/mobile/<sid>`，跨设备协作上传
+- **可编辑表格**：前端加载 CSV 数据，支持在线编辑后保存
+
+## 启动方式
+
+```bash
+# CLI 模式
+uv run python src/main.py --step all
+
+# Web 模式
+uv run python src/web/app.py
+# 访问: http://localhost:5000
+```
+
+## 发票类型与路由
+
+系统根据 `invoice_type` 字段自动分流：
+
+| 发票类型 | 走什么流程 | 是否生成出库单 |
+|----------|-----------|--------------|
+| `train` / `hotel` | 差旅报销 | 否 |
+| `general` | 普通报销 | 是（易耗品出库单） |
+| `application` | 出差事前申请单 | 否（单独存储为 JSON） |
+
+**注意**：差旅发票和普通发票不支持混报，混合时会报错。
--- a/src/init.py
+++ b/src/init.py
@@ -24,7 +24,10 @@ def get_logger(name: str) -> logging.Logger:
    日志同时输出到终端和 logs/<日期>.log
    """
    logger = logging.getLogger(name)
-    if not logger.handlers:
+
+    # 使用专属标记判断是否已初始化标准 handler（stream + file），
+    # 避免被 _SSELogHandler 等外部 handler 干扰
+    if not getattr(logger, "_standard_handlers_initialized", False):
        logger.setLevel(logging.INFO)
        formatter = logging.Formatter(_LOG_FMT, _LOG_DATE_FMT)

@@ -39,4 +42,6 @@ def get_logger(name: str) -> logging.Logger:
        file_handler.setFormatter(formatter)
        logger.addHandler(file_handler)

+        logger._standard_handlers_initialized = True  # type: ignore[attr-defined]
+
    return logger
--- a/src/bot.py
+++ b/src/bot.py
@@ -4,11 +4,10 @@
 使用 Playwright 操作财务报销系统，自动完成登录、填单、上传附件等操作。

 对外接口:
-    load_invoice_data(csv_path, config) -> list[dict]  从 CSV 加载并补全默认值
    run_bot(config, invoices)                           启动浏览器并执行填报流程
 """

-import csv
+import json
 from pathlib import Path
 from typing import Any

@@ -32,59 +31,22 @@ def _format_date(date_str: str) -> str:
    return date_str


-def _safe_float(value: str | None, default: float = 0.0) -> float:
-    """安全转换为浮点数，空值或转换失败时返回默认值"""
-    if value is None or str(value).strip() == "":
-        return default
-    try:
-        return float(value)
-    except (ValueError, TypeError):
-        return default
-
-
-# ------------------------------------------------------------------
-# CSV 数据加载
-# ------------------------------------------------------------------
-
-
-def load_invoice_data(csv_path: str, config: dict[str, str | Path]) -> list[dict[str, str | float | Any | Path]]:
-    """从 CSV 加载发票数据，自动补全空白字段的默认值
-
-    CSV 以支付记录为主键，每行包含 _invoices_json 字段（JSON 序列化的发票列表）。
-    本函数还原为发票级别的数据列表。
-    """
-    import json
-
-    invoices = []
-    with open(csv_path, encoding="utf-8") as f:
-        reader = csv.DictReader(f)
-        for row in reader:
-            invoices_json = row.get("_invoices_json", "")
-            if not invoices_json:
-                continue
-            try:
-                inv_list = json.loads(invoices_json)
-                for inv in inv_list:
-                    invoices.append(
-                        {
-                            "seq": row.get("序号", ""),
-                            "invoice_no": inv.get("发票号码", ""),
-                            "invoice_date": inv.get("开票日期", ""),
-                            "item_name": inv.get("项目名称", ""),
-                            "spec_model": inv.get("规格型号", ""),
-                            "total_amount": _safe_float(inv.get("价税合计")),
-                            "seller_name": inv.get("销售方名称", ""),
-                            "person_name": inv.get("人员姓名") or config.get("default_name", ""),
-                            "card_date": _format_date(row.get("刷卡日期") or ""),
-                            "card_no": row.get("公务卡号") or config.get("default_card_no", ""),
-                            "card_amount": _safe_float(row.get("刷卡金额")),
-                            "remark": row.get("备注") or "",
-                            "person_id": row.get("工号") or config.get("default_person_id", ""),
-                        }
-                    )
-            except json.JSONDecodeError:
-                log.warning(f"无法解析发票 JSON: {invoices_json[:50]}...")
-    return invoices
+def _classify_invoice_batch(
+    invoices: list[dict[str, str]],
+) -> dict[str, list[dict[str, str]]]:
+    """按发票类型分组"""
+    travel: list[dict[str, str]] = []
+    general: list[dict[str, str]] = []
+    application: list[dict[str, str]] = []
+    for inv in invoices:
+        inv_type = inv.get("invoice_type", "general")
+        if inv_type == "application":
+            application.append(inv)
+        elif inv_type in ("train", "hotel"):
+            travel.append(inv)
+        else:
+            general.append(inv)
+    return {"travel": travel, "general": general, "application": application}


 # ------------------------------------------------------------------
@@ -95,7 +57,7 @@ def load_invoice_data(csv_path: str, config: dict[str, str | Path]) -> list[dict
 class ReimburseBot:
    """财务报销自动化机器人"""

-    def __init__(self, config: dict[str, Any], headless: bool = False):
+    def __init__(self, config: dict[str, Any], headless: bool = False, work_dir: Path | None = None):
        self.config = config
        self.headless = headless
        self.work_dir: Path | None = None
@@ -111,7 +73,7 @@ class ReimburseBot:
    def launch(self) -> None:
        """启动浏览器"""
        self.browser = self.pw.chromium.launch(headless=self.headless)
-        self.context = self.browser.new_context(viewport={"width": 1920, "height": 1080})
+        self.context = self.browser.new_context(viewport={"width": 1360, "height": 768})
        self.page = self.context.new_page()
        self.page.set_default_timeout(30000)

@@ -156,7 +118,7 @@ class ReimburseBot:
        self._screenshot("portal_timeout")
        raise TimeoutError("登录超时，未跳转到信息门户")

-    def navigate_to_reimburse(self) -> None:
+    def navigate_to_reimburse(self, page_key: str = "reimburse_page") -> None:
        """从统一信息平台进入报销系统"""
        log.info("进入报销系统...")
        self._wait_for('text="快捷入口"', timeout=5000)
@@ -197,17 +159,17 @@ class ReimburseBot:
            pass

        self._wait_for('text="报销录入"', timeout=5000)
-        common_url = self.config["reimburse_url"] + self.config["reimburse_page"]
+        common_url = self.config["reimburse_url"] + self.config[page_key]
        self.page.goto(common_url, wait_until="domcontentloaded", timeout=15000)
        self._wait_for('text="单据状态:"', timeout=5000)

-    def open_reimburse_menu(self) -> None:
-        """点击「新增」创建新报销单"""
-        log.info("创建新报销单...")
+    def create_new_form(self) -> None:
+        """点击「新增」创建新单据"""
+        log.info("创建新单据...")
        self.page.wait_for_timeout(2000)

        try:
-            self.page.click('button:has-text("新增")', timeout=5000)
+            self.page.click("#insert", timeout=5000)
        except Exception:
            try:
                self.page.click("text=新增", timeout=3000)
@@ -218,6 +180,31 @@ class ReimburseBot:
        self.page.wait_for_timeout(3000)
        self._screenshot("after_add_click")

+    def fill_travel_info(self, basic_info: dict[str, Any]) -> None:
+        """填写差旅报销基本信息"""
+        log.info("填写差旅报销信息...")
+
+        try:
+            self.page.fill("#CAUSE", basic_info.get("travel_purpose", ""))
+            self.page.fill("#SITE", basic_info.get("travel_location", ""))
+
+            self.page.click("#PROJECTCODE", timeout=10000)
+            self.page.wait_for_timeout(1000)
+            self.page.wait_for_selector("#promodal .fixed-table-body tbody tr", timeout=10000)
+            first_row = self.page.query_selector("#promodal .fixed-table-body tbody tr")
+            if first_row:
+                first_row.click()
+                self.page.wait_for_timeout(1000)
+
+            self.page.fill("#THEKSRQ", _format_date(basic_info.get("start_date", "")))
+            self.page.fill("#THEJSRQ", _format_date(basic_info.get("end_date", "")))
+            self.page.click("#saveAndNext", timeout=5000)
+            self.page.wait_for_timeout(2000)
+            self._screenshot("travel_basic_done")
+        except Exception:
+            log.error("填写基本信息失败")
+            self._screenshot("travel_basic_error")
+
    def fill_basic_info(self, description: str = "元器件采购报销") -> None:
        """填写基本信息"""
        log.info("填写基本信息...")
@@ -254,6 +241,96 @@ class ReimburseBot:

        self._screenshot("step3_done")

+    def add_travel_items(self, travel_items: dict[str, Any]) -> None:
+        """录入差旅报销明细"""
+        vehicle_map = {
+            "火车": "01",
+            "汽车": "02",
+            "轮船": "03",
+            "自带车": "04",
+            "公务车": "05",
+            "飞机": "06",
+            "租车": "07",
+            "自驾车": "08",
+        }
+        try:
+            traffic_info = travel_items.get("transport_fee") or []
+            for item in traffic_info:
+                self.page.click("#insertDetail", timeout=5000)
+                self._wait_for('text="增加明细"', timeout=5000)
+                self.page.select_option("#cost", "1")
+                self.page.wait_for_timeout(500)
+                vehicle = item.get("vehicle_type", "")
+                if vehicle in vehicle_map:
+                    self.page.select_option("#jtgj", vehicle_map[vehicle])
+
+                self.page.fill("#ksdd", item.get("departure_place", ""))
+                self.page.fill("#jsdd", item.get("arrival_place", ""))
+                self.page.fill(
+                    '#t1 input[name="expenPwTraveldetail.MONEY"]',
+                    str(item.get("amount", "")),
+                )
+                self.page.fill(
+                    '#t1 input[name="expenPwTraveldetail.HOWBILL"]',
+                    str(item.get("bill_count", "")),
+                )
+                self.page.fill(
+                    '#t1 input[name="expenPwTraveldetail.SMARK"]',
+                    str(item.get("remark", "")),
+                )
+                self.page.click("#detailAdd", timeout=3000)
+                self.page.wait_for_timeout(1000)
+
+            hotel_info = travel_items.get("hotel_fee") or []
+            for item in hotel_info:
+                self.page.click("#insertDetail", timeout=5000)
+                self._wait_for('text="增加明细"', timeout=5000)
+                self.page.select_option("#cost", "2")
+                self.page.wait_for_timeout(500)
+                self.page.fill("#ksrq2", _format_date(str(item.get("checkin_date", ""))))
+                self.page.fill("#jsrq2", _format_date(str(item.get("checkout_date", ""))))
+                self.page.fill("#ts2", str(item.get("days", "")))
+                self.page.fill("#rs2", str(item.get("person_count", "")))
+                self.page.fill(
+                    '#t2 input[name="expenPwTraveldetail.FPMONEY"]',
+                    str(item.get("invoice_amount", "")),
+                )
+                self.page.fill(
+                    '#t2 input[name="expenPwTraveldetail.MONEY"]',
+                    str(item.get("reimburse_amount", "")),
+                )
+                self.page.fill(
+                    '#t2 input[name="expenPwTraveldetail.SMARK"]',
+                    str(item.get("remark", "")),
+                )
+                self.page.click("#detailAdd", timeout=3000)
+                self.page.wait_for_timeout(1000)
+
+            conference_info = travel_items.get("conference_fee") or []
+            for item in conference_info:
+                self.page.click("#insertDetail", timeout=5000)
+                self._wait_for('text="增加明细"', timeout=5000)
+                self.page.select_option("#cost", "3")
+                self.page.wait_for_timeout(500)
+                self.page.fill(
+                    '#t3 input[name="expenPwTraveldetail.HOWBILL"]',
+                    str(item.get("bill_count", "")),
+                )
+                self.page.fill(
+                    '#t3 input[name="expenPwTraveldetail.MONEY"]',
+                    str(item.get("amount", "")),
+                )
+                self.page.fill(
+                    '#t3 input[name="expenPwTraveldetail.SMARK"]',
+                    str(item.get("remark", "")),
+                )
+                self.page.click("#detailAdd", timeout=3000)
+                self.page.wait_for_timeout(1000)
+        except Exception as e:
+            log.error(f"录入总明细失败: {e}")
+            self._screenshot("item_total_error")
+            raise
+
    def add_reimburse_items(self, invoices: list[dict[str, Any]]) -> None:
        """录入报销明细（一条总明细）"""
        card_amount = sum(inv["card_amount"] for inv in invoices)
@@ -261,7 +338,6 @@ class ReimburseBot:

        try:
            self.page.click("#insertDetail", timeout=5000)
-            self.page.wait_for_timeout(1000)
            self._wait_for('text="经济事项名称"', timeout=5000)
            self.page.click("#economicscode2")
            self.page.wait_for_timeout(1000)
@@ -286,6 +362,33 @@ class ReimburseBot:
            self._screenshot("item_total_error")
            raise

+    def fill_travel_payment(self, payment_info: list[dict[str, Any]]) -> None:
+        """录入差旅支付信息"""
+        log.info("录入差旅支付信息...")
+        try:
+            self.page.click('text="下一步(支付方式)"', timeout=5000)
+            self._wait_for('text="下一步(补助清单)"', timeout=5000)
+
+            for info in payment_info:
+                self.page.click("#insertPay", timeout=5000)
+                self.page.wait_for_timeout(1000)
+                self.page.fill("#personid2", self.config["default_name"])
+                self.page.fill("#accountname2", self.config["default_person_id"])
+                self.page.fill("#receiptdate2", _format_date(info["card_date"]))
+                self.page.fill("#localaccount2", self.config["default_card_no"])
+                self.page.fill("#receiptmoney2", str(info["card_amount"]))
+                self.page.fill("#money2", str(info["card_amount"]))
+                self.page.fill("#merchant2", info.get("merchant", ""))
+                self.page.fill("#smark2", info.get("remark", ""))
+                self.page.click("#payAdd", timeout=3000)
+                self.page.wait_for_timeout(1000)
+        except Exception as e:
+            log.error(f"支付方式录入失败: {e}")
+            self._screenshot("step5_error")
+            raise
+
+        self._screenshot("step5_done")
+
    def fill_payment(self, invoices: list[dict[str, Any]]) -> None:
        """录入支付信息"""
        log.info("录入支付信息...")
@@ -314,11 +417,10 @@ class ReimburseBot:
        self._screenshot("step5_done")

    def upload_attachments(self, invoices: list[dict[str, Any]]) -> None:
-        """上传发票附件"""
+        """上传附件"""
        log.info("上传附件...")
-
        try:
-            self.page.click("#next3", timeout=5000)
+            self.page.click("#next4", timeout=5000)
            self._wait_for("#submit2", timeout=5000)

            attachment_files = sorted((self.work_dir or Path(__file__).parent.parent).glob("*.pdf"))
@@ -329,8 +431,8 @@ class ReimburseBot:
            for i, inv in enumerate(invoices):
                file_path = attachment_files[i] if i < len(attachment_files) else None
                try:
-                    self._wait_for("#insertAcc", timeout=20000)  # 等待增加按钮出现
-                    self.page.click("#insertAcc", timeout=5000)  # 点击增加按钮出现
+                    self._wait_for("#insertAcc", timeout=20000)
+                    self.page.click("#insertAcc", timeout=5000)
                    self._wait_for("#fjlx", timeout=5000)
                    self.page.select_option("#fjlx", "1")
                    explanation = f"{inv['item_name']} - {inv['invoice_no']}"
@@ -359,17 +461,33 @@ class ReimburseBot:

        self._screenshot("step6_done")

-    def submit(self) -> None:
-        """提交报销单"""
-        log.info("提交报销单...")
+    def upload_travel_attachments(self, attachment_info: list[dict[str, Any]]) -> None:
+        """上传差旅附件"""
+        log.info("上传差旅附件...")
        try:
-            self.page.click("#submit", timeout=5000)
-            self.page.wait_for_timeout(1000)
-            self._screenshot("submitted")
+            self.page.click("#next4", timeout=5000)
+            self._wait_for("#submit2", timeout=5000)
+
+            for info in attachment_info:
+                attachment_file = self.work_dir / info["filename"]
+                self._wait_for("#insertAcc", timeout=20000)
+                self.page.click("#insertAcc", timeout=5000)
+                self._wait_for("#fjlx", timeout=5000)
+                if info["attachment_type"] == "invoice":
+                    self.page.select_option("#fjlx", "1")
+                else:
+                    self.page.select_option("#fjlx", "2")
+                self.page.fill("#fpsmxx", info["attachment_desc"])
+                if attachment_file and attachment_file.exists():
+                    self.page.set_input_files("#file", str(attachment_file))
+                    self.page.wait_for_timeout(1000)
+                    self.page.click("#cjtj", timeout=5000)
+            log.info("上传差旅附件完成")
        except Exception as e:
-            log.error(f"提交失败: {e}")
-            self._screenshot("submit_error")
+            log.error(f"差旅附件上传失败: {e}")
+            self._screenshot("travel_attachment_error")
            raise
+        self._screenshot("travel_attachment_done")

    def close(self) -> None:
        """关闭浏览器"""
@@ -382,10 +500,6 @@ class ReimburseBot:
        except Exception:
            pass

-    # --------------------------------------------------------
-    # 辅助方法
-    # --------------------------------------------------------
-
    def _wait_for(self, selector: str, timeout: int | None = None) -> None:
        self.page.wait_for_selector(selector, timeout=timeout)

@@ -394,31 +508,131 @@ class ReimburseBot:
        img_dir.mkdir(exist_ok=True)
        self.page.screenshot(path=str(img_dir / f"debug_{name}.png"))

+    def fill_travel_subsidy(self, subsidy_info: list[dict[str, Any]]) -> None:
+        """录入差旅补助清单"""
+        log.info("录入差旅补助清单...")
+        try:
+            self.page.click("#next3", timeout=5000)
+            self._wait_for("#next4", timeout=5000)
+
+            for info in subsidy_info:
+                self.page.click("#insertSubsidy", timeout=5000)
+                self._wait_for('text="增加补助清单"', timeout=5000)
+                self.page.click("#jzg3", timeout=5000)
+                self.page.wait_for_timeout(500)
+                if info["person_name"] and info["person_name"] != "":
+                    self.page.fill("#seacher", info["person_name"])
+                elif info["person_id"] and info["person_id"] != "":
+                    self.page.fill("#seacher", info["person_id"])
+                else:
+                    raise ValueError(f"人员编号和人员姓名不能同时为空: {info}")
+                self.page.click("#cx", timeout=5000)
+                self.page.wait_for_selector("div.fixed-table-loading", state="hidden", timeout=10000)
+                self.page.click("#tableEmp tbody tr", timeout=10000)
+                self.page.wait_for_timeout(1000)
+
+                open_bank = self.page.input_value("#openbank1")
+                if not open_bank:
+                    log.info("员工开户行未填写，默认填写中国工商银行")
+                    self.page.fill("#openbank1", "中国工商银行")
+
+                self.page.fill("#startdate1", _format_date(info["start_date"]))
+                self.page.fill("#enddate1", _format_date(info["end_date"]))
+                self.page.fill("#trafficdays1", str(info["days"]))
+                self.page.fill("#fooddays1", str(info["days"]))
+                self.page.fill("#trafficnorm1", str(80))
+                self.page.fill("#foodnorm1", str(100))
+                trafficmoney = int(info["days"]) * 80
+                foodmoney = int(info["days"]) * 100
+                subsidymoney = trafficmoney + foodmoney
+                self.page.fill("#trafficmoney1", str(trafficmoney))
+                self.page.fill("#foodmoney1", str(foodmoney))
+                self.page.fill("#subsidymoney1", str(subsidymoney))
+                self.page.click("#add", timeout=3000)
+                self.page.wait_for_timeout(1000)
+        except Exception as e:
+            log.error(f"差旅补助清单录入失败: {e}")
+            self._screenshot("subsidy_error")
+            raise
+
+        self._screenshot("subsidy_done")
+

 # ------------------------------------------------------------------
 # 对外入口
 # ------------------------------------------------------------------


-def run_bot(
-    config: dict[str, Any], invoices: list[dict[str, Any]], headless: bool = False, work_dir: Path | None = None
-) -> None:
-    """执行完整的浏览器填报流程"""
+def run_bot(config: dict[str, Any], headless: bool = False, work_dir: Path | None = None) -> None:
+    """执行完整的浏览器填报流程，根据发票类型自动路由"""
    if not config["username"] or not config["password"]:
        raise ValueError("缺少用户名或密码")

-    bot = ReimburseBot(config, headless=headless)
+    if not work_dir:
+        raise ValueError("缺少工作目录")
+
+    from .doc.llm_extractor import load_cache
+
+    cache_map = load_cache(work_dir)
+    doc_values = [v for k, v in cache_map.items() if k != "travel_info"]
+    invoices = [data for data in doc_values if data.get("invoice_type") not in ("application", "payment")]
+    applications = [data for data in doc_values if data.get("invoice_type") == "application"]
+
+    groups = _classify_invoice_batch(invoices)
+    travel_invoices = groups["travel"]
+    general_invoices = groups["general"]
+
+    log.info(
+        f"发票分类: 差旅 {len(travel_invoices)} 张, 普通 {len(general_invoices)} 张, "
+        f"出差事前申请单 {len(applications)} 份"
+    )
+
+    if travel_invoices and general_invoices:
+        raise ValueError(
+            f"发票类型混合（差旅 {len(travel_invoices)} 张 + 普通 {len(general_invoices)} 张），不支持混报，请分开提交"
+        )
+
+    is_travel = bool(travel_invoices)
+    travel_info: dict[str, Any] = cache_map.get("travel_info", {})
+    if is_travel and not travel_info:
+        from .doc.llm_extractor import CACHE_DIR_NAME, extract_travel_info
+
+        travel_info = extract_travel_info(source_dir=work_dir)
+        cache_dir = work_dir / CACHE_DIR_NAME
+        cache_dir.mkdir(parents=True, exist_ok=True)
+        with open(cache_dir / "travel_info.json", "w", encoding="utf-8") as f:
+            json.dump(travel_info, f, ensure_ascii=False, indent=2)
+        log.info("差旅信息已保存到缓存")
+
+    bot = ReimburseBot(config, headless=headless, work_dir=work_dir)
    bot.work_dir = work_dir
    try:
        bot.launch()
        bot.login_portal()
-        bot.navigate_to_reimburse()
-        bot.open_reimburse_menu()
-        bot.fill_basic_info()
-        bot.add_reimburse_items(invoices)
-        bot.fill_payment(invoices)
-        bot.upload_attachments(invoices)
-        # bot.submit()   # 确认无误后再取消注释
+
+        if is_travel:
+            log.info("处理差旅发票...")
+            bot.navigate_to_reimburse(page_key="travel_page")
+            bot.create_new_form()
+            basic_info = travel_info["basic_info"]
+            bot.fill_travel_info(basic_info)
+            travel_items = travel_info["reimbursement_details"]
+            bot.add_travel_items(travel_items)
+            payment_info = travel_info["payment_methods"]
+            bot.fill_travel_payment(payment_info)
+            subsidy_info = travel_info["subsidy_list"]
+            bot.fill_travel_subsidy(subsidy_info)
+            attachment_info = travel_info["attachments"]
+            bot.upload_travel_attachments(attachment_info)
+        else:
+            log.info("处理普通发票...")
+            bot.navigate_to_reimburse(page_key="reimburse_page")
+            bot.create_new_form()
+            bot.fill_basic_info()
+            bot.add_reimburse_items(general_invoices)
+            bot.fill_payment(general_invoices)
+            bot.upload_attachments(general_invoices)
+
    except Exception as e:
        log.error(f"操作失败: {e}")
        try:
@@ -430,28 +644,6 @@ def run_bot(
        bot.close()


-def run_bot_web(config: dict[str, Any], invoices: list[dict[str, Any]], work_dir: Path) -> None:
+def run_bot_web(config: dict[str, Any], work_dir: Path) -> None:
    """Web 模式填报 — headless，附件从指定目录读取"""
-    if not config["username"] or not config["password"]:
-        raise ValueError("缺少用户名或密码")
-
-    bot = ReimburseBot(config, headless=True)
-    bot.work_dir = work_dir
-    try:
-        bot.launch()
-        bot.login_portal()
-        bot.navigate_to_reimburse()
-        bot.open_reimburse_menu()
-        bot.fill_basic_info()
-        bot.add_reimburse_items(invoices)
-        bot.fill_payment(invoices)
-        bot.upload_attachments(invoices)
-    except Exception as e:
-        log.error(f"操作失败: {e}")
-        try:
-            bot._screenshot("error")
-        except Exception:
-            pass
-        raise
-    finally:
-        bot.close()
+    run_bot(config, headless=True, work_dir=work_dir)
--- a/src/config.py
+++ b/src/config.py
@@ -1,13 +1,14 @@
 """
 配置加载

-从项目根目录的 config.json 读取配置，返回结构化的配置字典。
+从 scripts/data/config.json 读取用户配置，从环境变量读取服务端配置（LLM + 系统 URL）。
 """

 import json
+import os
 from pathlib import Path

-_CONFIG_PATH = Path(__file__).parent.parent / "config.json"
+_CONFIG_PATH = Path(__file__).parent.parent.parent / "scripts" / "data" / "config.json"


 def load_config() -> dict[str, str | Path]:
@@ -20,10 +21,11 @@ def load_config() -> dict[str, str | Path]:
    project_root = _CONFIG_PATH.parent

    return {
-        "sso_login_url": raw.get("sso_login_url", "https://tyrz.fynu.edu.cn/sso/login"),
-        "portal_url": raw.get("portal_url", "https://tyrz.fynu.edu.cn/oshall"),
-        "reimburse_url": raw.get("reimburse_url", "http://210.45.32.214:8081"),
-        "reimburse_page": raw.get("reimburse_page", "/expen/common/common?v=4.0"),
+        "sso_login_url": os.environ.get("SSO_LOGIN_URL", "https://tyrz.fynu.edu.cn/sso/login"),
+        "portal_url": os.environ.get("PORTAL_URL", "https://tyrz.fynu.edu.cn/oshall"),
+        "reimburse_url": os.environ.get("REIMBURSE_URL", "http://210.45.32.214:8081"),
+        "reimburse_page": os.environ.get("REIMBURSE_PAGE", "/expen/common/common?v=4.0"),
+        "travel_page": os.environ.get("TRAVEL_PAGE", "/expen/travel/travel?v=4.0"),
        "username": raw.get("username", ""),
        "password": raw.get("password", ""),
        "default_name": raw.get("default_name", ""),
@@ -35,15 +37,9 @@ def load_config() -> dict[str, str | Path]:


 def get_llm_config() -> dict[str, str]:
-    """加载 LLM 配置，缺失字段使用默认值"""
-    raw = {}
-    if _CONFIG_PATH.exists():
-        with open(_CONFIG_PATH, encoding="utf-8") as f:
-            raw = json.load(f)
-
-    llm_raw = raw.get("llm", {})
+    """加载 LLM 配置，优先从环境变量读取，缺失字段使用默认值"""
    return {
-        "model": llm_raw.get("model", "qwen-vl-max"),
-        "api_base": llm_raw.get("api_base", "http://localhost:8080/v1"),
-        "api_key": llm_raw.get("api_key", "lm-studio"),
+        "model": os.environ.get("LLM_MODEL", "qwen-vl-max"),
+        "api_base": os.environ.get("LLM_API_BASE", "http://localhost:8080/v1"),
+        "api_key": os.environ.get("LLM_API_KEY", "lm-studio"),
    }
--- a/src/doc/README.md
+++ b/src/doc/README.md
@@ -1,6 +1,6 @@
 ---
-
-## last_reviewed: 2026-06-09
+last_reviewed: 2026-06-09
+---

 # src/doc — 文档处理模块

@@ -12,13 +12,13 @@
 | 文件                       | 作用                                                 |
 | ------------------------ | -------------------------------------------------- |
 | `extractor.py`           | 编排入口：串联 PDF 读取 → LLM 提取 → 支付截图匹配 → 分类             |
-| `pdf.py`                 | PDF 文件发现与文本提取（pdfplumber）                          |
+| `pdf.py`                 | PDF 图片渲染（PyMuPDF）                              |
 | `llm_extractor.py`       | 基于 LLM 的信息提取（发票文本 + 支付截图多模态）                      |
 | `matcher.py`             | 发票与支付截图按金额匹配，回填刷卡信息至发票记录                         |
 | `invoice.py`             | 发票类型常量、分类逻辑、CSV 读写工具                               |
 | `fill_consumable_doc.py` | 将 CSV 数据填入易耗品出库单 Word 模板（pywin32 COM）              |
 | `prompt.py`              | LLM 提示词模板加载                                        |
-| `prompts/`               | 提示词模板文件（`invoice_system.md`、`card_info_system.md`） |
+| `prompts/`               | 提示词模板文件（`invoice_system.md`、`travel_info_system.md`） |


 ## 数据流
@@ -27,7 +27,7 @@
 PDF 发票 → pdf.py → llm_extractor.py → [发票列表]
 支付截图 → llm_extractor.py → [刷卡记录]
              ↓
-    matcher.py（按金额贪心匹配，容差 10 元）
+    matcher.py（按金额贪心匹配，相对容差 3%）
              ↓
    invoice.py 分类 → CSV（已回填刷卡日期/卡号/金额）
              ↓
@@ -36,7 +36,7 @@ PDF 发票 → pdf.py → llm_extractor.py → [发票列表]

 ## 依赖说明

- **pdfplumber** — PDF 文本提取
+- **PyMuPDF (pymupdf)** — PDF 图片渲染
 - **pywin32** — Word COM 自动化（仅 Windows）
 - **llama-index** — LLM 信息提取

@@ -45,5 +45,4 @@ PDF 发票 → pdf.py → llm_extractor.py → [发票列表]
 - `fill_consumable_doc.py` 依赖 Microsoft Word + COM，仅 Windows 可用
 - LLM 提取不会覆盖 CSV 中已有非空字段
 - 提示词模板位于 `prompts/` 目录，由 `prompt.py` 加载
- LLM 提取失败时直接报错，无正则回退
-
+- LLM 提取失败时直接报错，无正则回退
--- a/src/doc/extractor.py
+++ b/src/doc/extractor.py
@@ -1,65 +1,237 @@
 """发票提取编排

-串联 PDF 读取 → LLM 提取 → 支付截图匹配 → 分类，生成支付记录列表。
+统一扫描目录下所有文件（PDF + 图片），通过 LLM 提取结构化数据，
+根据 LLM 返回的「invoice_type」字段自动分类为发票/支付记录/出差事前申请单。

 对外接口:
-    extract_invoices(directory) -> tuple[list[dict], dict]
+    extract_invoices(directory) -> tuple[list[dict], list[dict], dict]
 """

+import json
+from pathlib import Path
+from typing import Any
+
 from .. import get_logger
-from .invoice import classify_invoice_batch
-from .llm_extractor import extract_invoice_from_text
+from .llm_extractor import extract_document
 from .matcher import match_invoices_to_cards
-from .pdf import extract_text_from_pdf, find_pdf_files

 log = get_logger("extractor")


-def extract_invoices(
-    directory: str = ".",
-) -> tuple[list[dict[str, str]], dict[str, list[dict[str, str]]]]:
-    """扫描目录下所有 PDF,提取发票信息并匹配支付记录
+def _classify_invoice_batch(
+    invoices: list[dict[str, str]],
+) -> dict[str, list[dict[str, str]]]:
+    """按发票类型分组"""
+    travel: list[dict[str, str]] = []
+    general: list[dict[str, str]] = []
+    application: list[dict[str, str]] = []
+    for inv in invoices:
+        inv_type = inv.get("invoice_type", "general")
+        if inv_type == "application":
+            application.append(inv)
+        elif inv_type in ("train", "hotel"):
+            travel.append(inv)
+        else:
+            general.append(inv)
+    return {"travel": travel, "general": general, "application": application}
+
+
+# JSON 缓存目录（相对于源文件目录）
+CACHE_DIR_NAME = ".invoice_cache"
+
+# 支持的文件扩展名
+SUPPORTED_EXTENSIONS = {".pdf", ".jpg", ".jpeg", ".png", ".webp", ".bmp"}
+
+
+def _get_cache_dir(source_dir: Path) -> Path:
+    """获取缓存目录路径"""
+    cache_dir = source_dir / CACHE_DIR_NAME
+    cache_dir.mkdir(exist_ok=True)
+    return cache_dir
+
+
+def _get_json_path(file_path: Path, cache_dir: Path) -> Path:
+    """根据文件路径生成对应的 JSON 缓存路径"""
+    return cache_dir / f"{file_path.stem}.json"
+
+
+def _save_to_cache(file_path: Path, extracted_data: dict[str, Any], cache_dir: Path) -> Path:
+    """将提取结果保存到 JSON 缓存文件，并记录源文件路径"""
+    json_path = _get_json_path(file_path, cache_dir)
+    cache_data = {
+        "source_file": str(file_path),
+        "source_filename": file_path.name,
+        "extracted_data": extracted_data,
+    }
+    with open(json_path, "w", encoding="utf-8") as f:
+        json.dump(cache_data, f, ensure_ascii=False, indent=2)
+    log.info(f"提取结果已缓存: {json_path.name}")
+    return json_path
+
+
+def _load_from_cache(json_path: Path) -> dict[str, Any] | None:
+    """从 JSON 缓存文件加载提取结果"""
+    if not json_path.exists():
+        return None
+    try:
+        with open(json_path, encoding="utf-8") as f:
+            cache_data: dict[str, Any] = json.load(f)
+        result: dict[str, Any] | None = cache_data.get("extracted_data")
+        return result
+    except Exception as e:
+        log.warning(f"读取缓存失败 {json_path.name}: {e}")
+        return None
+
+
+def _extract_document(file_path: Path, cache_dir: Path) -> dict[str, str] | None:
+    """提取单个文件的结构化信息，优先使用缓存。
+
+    根据 LLM 返回的「invoice_type」字段自动分类：
+        - "payment" -> 支付记录
+        - "application" -> 申请单
+        - 有 "invoice_number" -> 发票
+        - 其他 -> 无法识别
+
+    Args:
+        file_path: 文件路径（PDF 或图片）。
+        cache_dir: JSON 缓存目录。

    Returns:
-        (payment_records, groups): 支付记录列表和按发票类型分组的字典
-            groups = {'travel': [差旅发票], 'general': [普通发票]}
+        提取结果字典，失败时返回 None。
    """
-    pdf_files = find_pdf_files(directory)
-    if not pdf_files:
-        log.warning("未找到 PDF 文件")
-        return [], {"travel": [], "general": []}
+    json_path = _get_json_path(file_path, cache_dir)
+    cached = _load_from_cache(json_path)
+    if cached:
+        cached["_source_file"] = file_path.name
+        log.info(f"使用缓存: {file_path.name}")
+        return cached

-    log.info(f"发现 {len(pdf_files)} 个 PDF 文件")
+    log.info(f"使用多模态提取: {file_path.name}")
+    try:
+        result = extract_document(file_path)
+        if result:
+            result["_source_file"] = file_path.name
+            _save_to_cache(file_path, result, cache_dir)
+            return result
+    except Exception as e:
+        log.warning(f"多模态提取失败: {file_path.name} ({e})")
+
+    return None
+
+
+def _find_all_files(directory: str) -> list[Path]:
+    """扫描目录下所有支持的文件（PDF + 图片）"""
+    dir_path = Path(directory)
+    files = [f for f in dir_path.iterdir() if f.is_file() and f.suffix.lower() in SUPPORTED_EXTENSIONS]
+    return sorted(files)
+
+
+def _save_match_result(payment_records: list[dict[str, Any]], cache_dir: Path) -> None:
+    """将发票与支付记录的匹配结果保存到缓存。"""
+    match_data: dict[str, list[dict[str, Any]]] = {}
+    for record in payment_records:
+        card_source = record.get("_source_file", "")
+        matched = record.get("_matched_invoices", [])
+        card_amount = record.get("card_amount", "")
+
+        if matched:
+            invoice_list = [
+                {
+                    "file": inv.get("_source_file", ""),
+                    "type": inv.get("invoice_type", ""),
+                    "amount": inv.get("total_amount", inv.get("total_amount", "")),
+                }
+                for inv in matched
+            ]
+
+            if card_source:
+                match_data[f"{card_source} (¥{card_amount})"] = invoice_list
+            else:
+                key = "__unmatched__"
+                if key not in match_data:
+                    match_data[key] = []
+                match_data[key].extend(invoice_list)
+
+    if not match_data:
+        return
+
+    match_path = cache_dir / "match_result.json"
+    with open(match_path, "w", encoding="utf-8") as f:
+        json.dump(match_data, f, ensure_ascii=False, indent=2)
+    log.info(f"匹配结果已缓存: {match_path.name}")
+
+
+def extract_invoices(
+    directory: str = ".",
+) -> tuple[list[dict[str, str]], list[dict[str, str]], dict[str, list[dict[str, str]]]]:
+    """扫描目录下所有文件，提取信息并匹配支付记录
+
+    统一使用 LLM 提取，根据返回的「invoice_type」自动分类：
+        - 发票（有 invoice_number）-> 参与金额匹配
+        - 支付记录（invoice_type="payment"）-> 参与金额匹配
+        - 出差事前申请单 -> 单独存储，不参与匹配
+
+    Returns:
+        (payment_records, applications, groups):
+            - payment_records: 支付记录列表（仅包含真实发票，不含申请单）
+            - applications: 出差事前申请单列表（单独存储，不参与支付匹配）
+            - groups: 按文档类型分组的字典
+                {'travel': [差旅发票], 'general': [普通发票], 'application': [出差事前申请单]}
+    """
+    source_dir = Path(directory)
+    cache_dir = _get_cache_dir(source_dir)
+
+    all_files = _find_all_files(directory)
+    if not all_files:
+        log.warning("未找到支持的文件")
+        return [], [], {"travel": [], "general": [], "application": []}
+
+    log.info(f"发现 {len(all_files)} 个文件")

    all_invoices = []
-    for pdf_path in pdf_files:
-        text = extract_text_from_pdf(pdf_path)
-        if not text:
-            log.warning(f"未能提取文本: {pdf_path.name}")
+    all_cards = []
+    applications = []
+
+    for file_path in all_files:
+        result = _extract_document(file_path, cache_dir)
+
+        if not result:
+            log.warning(f"未能解析: {file_path.name}")
            continue

-        invoice = extract_invoice_from_text(text, pdf_path.name)
+        inv_type = result.get("invoice_type", "")

-        if invoice and invoice.get("发票号码"):
-            all_invoices.append(invoice)
-            log.info(f"[{invoice['发票类型']}] 已解析: {pdf_path.name}")
+        if inv_type == "application":
+            applications.append(result)
+            log.info(f"[{inv_type}] 已解析: {file_path.name}")
+        elif inv_type == "payment":
+            all_cards.append(result)
+            log.info(f"[{inv_type}] 已解析: {file_path.name}")
+        elif result.get("invoice_number"):
+            all_invoices.append(result)
+            log.info(f"[{inv_type}] 已解析: {file_path.name}")
        else:
-            log.warning(f"未能解析: {pdf_path.name}")
+            log.warning(f"无法分类: {file_path.name} (invoice_type={inv_type})")

-    if all_invoices:
-        log.info(f"共处理 {len(all_invoices)} 张发票")
-    else:
+    log.info(f"分类结果: 发票 {len(all_invoices)} 张, 支付记录 {len(all_cards)} 条, 申请单 {len(applications)} 份")
+
+    if not all_invoices:
        log.warning("未成功解析任何发票")

-    # 将支付截图与发票进行金额匹配，返回以支付记录为主键的列表
-    payment_records = match_invoices_to_cards(all_invoices, directory)
+    payment_records = match_invoices_to_cards(all_invoices, all_cards)
+    _save_match_result(payment_records, cache_dir)

-    # 从支付记录中还原所有发票用于分类
-    all_invoices_restored: list[dict[str, str]] = []
+    # 构建分类
+    all_documents: list[dict[str, str]] = []
    for record in payment_records:
-        all_invoices_restored.extend(record.get("_matched_invoices", []))
+        all_documents.extend(record.get("_matched_invoices", []))
+    all_documents.extend(applications)

-    groups = classify_invoice_batch(all_invoices_restored)
-    log.info(f"差旅发票: {len(groups['travel'])} 张, 普通发票: {len(groups['general'])} 张")
+    groups = _classify_invoice_batch(all_documents)
+    log.info(
+        f"文档分类: 差旅发票 {len(groups['travel'])} 张, "
+        f"普通发票 {len(groups['general'])} 张, "
+        f"出差事前申请单 {len(groups['application'])} 份"
+    )

-    return payment_records, groups
+    return payment_records, applications, groups
--- a/src/doc/fill_consumable_doc.py
+++ b/src/doc/fill_consumable_doc.py
@@ -14,8 +14,8 @@ from pathlib import Path
 from typing import Any

 from .. import get_logger
-from ..bot import load_invoice_data
 from ..config import load_config
+from ..doc.invoice import load_invoice_csv

 log = get_logger("fill_consumable_doc")

@@ -143,7 +143,8 @@ def fill_consumable_doc(
    doc_path = Path(doc_path)
    if config is None:
        config = load_config()
-    invoices = load_invoice_data(str(csv_path), config)
+
+    invoices = load_invoice_csv(csv_path.parent / "invoice_summary.csv") or []

    if backup:
        bak = doc_path.with_suffix(doc_path.suffix + ".bak")
@@ -192,7 +193,7 @@ def fill_consumable_doc(
                qty = str(qty_val) if qty_val > 0 else "1"

                values = [
-                    str(inv.get("seq", i + 1)),
+                    str(inv.get("index", i + 1)),
                    parsed["product_name"],
                    parsed["spec"],
                    parsed["unit"],
@@ -240,7 +241,7 @@ def main() -> None:
    parser = argparse.ArgumentParser(description="将发票 CSV 填入易耗品出库单")
    parser.add_argument("--csv", default=str(root / "invoice_summary.csv"))
    parser.add_argument("--doc", default=str(root / "易耗品、出库单.doc"))
-    parser.add_argument("--config", default=str(root / "config.json"))
+    parser.add_argument("--config", default=str(root / "scripts" / "data" / "config.json"))
    parser.add_argument("--no-backup", action="store_true")
    args = parser.parse_args()

--- a/src/doc/invoice.py
+++ b/src/doc/invoice.py
@@ -1,16 +1,12 @@
 """发票数据模型与 CSV 工具

-定义发票类型常量、CSV 列结构，提供发票分类和 CSV 读写功能。
+定义 CSV 列结构，提供发票分类和 CSV 读写功能。

 对外接口:
-    INVOICE_LEVEL_COLUMNS      发票级别 CSV 列定义
-    PAYMENT_RECORD_COLUMNS     支付记录级别 CSV 列定义
-    INVOICE_TYPE_*             发票类型常量
-    is_travel_invoice(type)    判断是否为差旅发票
-    classify_invoice_batch(invoices)  按类型分组
    load_csv(path)            读取支付记录 CSV
    save_csv(payment_records, path)  保存支付记录 CSV
    save_invoice_csv(payment_records, path)  保存发票级别 CSV
+    save_application_json(applications, path)  保存出差申请单 JSON
 """

 import csv
@@ -21,76 +17,63 @@ from .. import get_logger

 log = get_logger("invoice")

-# ------------------------------------------------------------------
-# CSV 列定义
-# ------------------------------------------------------------------
-
-# 发票级别 CSV 列（用于 invoice_summary.csv，每行一张发票）
+# CSV 列名
 INVOICE_LEVEL_COLUMNS = [
-    "序号",
-    "发票类型",
-    "发票号码",
-    "开票日期",
-    "项目名称",
-    "规格型号",
-    "价税合计",
-    "销售方名称",
-    "出发站",
-    "到达站",
-    "车次",
-    "乘车日期",
-    "座位等级",
-    "人员姓名",
-    "刷卡日期",
-    "公务卡号",
-    "刷卡金额",
-    "备注",
-    "工号",
+    "index",
+    "invoice_type",
+    "invoice_number",
+    "invoice_date",
+    "item_name",
+    "spec_model",
+    "total_amount",
+    "seller_name",
+    "departure",
+    "arrival",
+    "train_no",
+    "ride_date",
+    "seat_class",
+    "person_name",
+    "card_date",
+    "card_no",
+    "card_amount",
+    "remark",
+    "person_id",
 ]

-# 支付记录级别 CSV 列（用于 payment_records.csv，每行一笔支付）
 PAYMENT_RECORD_COLUMNS = [
-    "序号",
-    # 支付信息
-    "刷卡日期",
-    "公务卡号",
-    "刷卡金额",
-    # 发票聚合信息
-    "关联发票数",
-    "发票详情",  # 格式: 类型[号码]¥金额 | 类型[号码]¥金额
-    "备注",
-    # 内部字段（用于下游解析）
-    "_invoices_json",  # JSON 序列化的发票列表，供 bot/fill_doc 使用
-    "工号",
+    "index",
+    "card_date",
+    "card_no",
+    "card_amount",
+    "relative_invoice_count",
+    "invoice_detail",
+    "remark",
+    "_matched_invoices",
+    "person_id",
 ]

-# ------------------------------------------------------------------
-# 发票类型常量
-# ------------------------------------------------------------------

-INVOICE_TYPE_TRAIN = "高铁票"
-INVOICE_TYPE_HOTEL = "酒店住宿"
-INVOICE_TYPE_GENERAL = "普通发票"
-
-INVOICE_TYPE_TRAVEL = frozenset([INVOICE_TYPE_TRAIN, INVOICE_TYPE_HOTEL])
+def _is_application_document(invoice_type: str) -> bool:
+    """判断是否为出差事前申请单"""
+    return invoice_type == "application"


-def is_travel_invoice(invoice_type: str) -> bool:
-    """判断是否为差旅发票（高铁票/酒店住宿）"""
-    return invoice_type in INVOICE_TYPE_TRAVEL
-
-
-def classify_invoice_batch(invoices: list[dict[str, str]]) -> dict[str, list[dict[str, str]]]:
-    """将发票列表按类型分组：{'travel': [...], 'general': [...]}"""
-    travel = []
-    general = []
+def _classify_invoice_batch(
+    invoices: list[dict[str, str]],
+) -> dict[str, list[dict[str, str]]]:
+    """按发票类型分组"""
+    travel: list[dict[str, str]] = []
+    general: list[dict[str, str]] = []
+    application: list[dict[str, str]] = []
    for inv in invoices:
-        inv_type = inv.get("发票类型", INVOICE_TYPE_GENERAL)
-        if is_travel_invoice(inv_type):
+        inv_type = inv.get("invoice_type", "general")
+        if _is_application_document(inv_type):
+            application.append(inv)
+        elif inv_type in ("train", "hotel"):
            travel.append(inv)
        else:
            general.append(inv)
-    return {"travel": travel, "general": general}
+    return {"travel": travel, "general": general, "application": application}


 # ------------------------------------------------------------------
@@ -108,69 +91,37 @@ def _clean_invoice_for_json(inv: dict[str, str]) -> dict[str, str]:
    return clean


-def load_csv(csv_path: Path) -> list[dict[str, str]] | None:
-    """读取支付记录 CSV 为 dict 列表，失败返回 None"""
+def _load_csv(
+    csv_path: Path,
+    required_columns: list[str],
+    label: str = "CSV",
+) -> list[dict[str, str]] | None:
+    """通用 CSV 读取器：按 required_columns 校验列，失败返回 None"""
    try:
-        with open(csv_path, encoding="utf-8", newline="") as f:
+        with open(csv_path, encoding="utf-8-sig", newline="") as f:
            reader = csv.DictReader(f)
            fieldnames = reader.fieldnames or []
-            missing = [c for c in PAYMENT_RECORD_COLUMNS if c not in fieldnames]
+            missing = [c for c in required_columns if c not in fieldnames]
            if missing:
-                log.error(f"CSV 缺少必要列: {missing}")
+                log.error(f"{label} 缺少必要列: {missing}")
                return None
            return [row for row in reader]
    except FileNotFoundError:
-        log.error(f"CSV 文件不存在: {csv_path.name}")
+        log.error(f"{label} 文件不存在: {csv_path.name}")
        return None
    except Exception as e:
-        log.error(f"CSV 读取失败: {e}")
+        log.error(f"{label} 读取失败: {e}")
        return None


+def load_csv(csv_path: Path) -> list[dict[str, str]] | None:
+    """读取支付记录 CSV 为 dict 列表，失败返回 None"""
+    return _load_csv(csv_path, PAYMENT_RECORD_COLUMNS, "CSV")
+
+
 def load_invoice_csv(csv_path: Path) -> list[dict[str, str]] | None:
    """读取发票级别 CSV 为 dict 列表（每行一张发票），失败返回 None"""
-    try:
-        with open(csv_path, encoding="utf-8", newline="") as f:
-            reader = csv.DictReader(f)
-            fieldnames = reader.fieldnames or []
-            missing = [c for c in INVOICE_LEVEL_COLUMNS if c not in fieldnames]
-            if missing:
-                log.error(f"发票 CSV 缺少必要列: {missing}")
-                return None
-            return [row for row in reader]
-    except FileNotFoundError:
-        log.error(f"发票 CSV 文件不存在: {csv_path.name}")
-        return None
-    except Exception as e:
-        log.error(f"发票 CSV 读取失败: {e}")
-        return None
-
-
-def load_invoices_from_csv(csv_path: Path) -> list[dict[str, str]] | None:
-    """从支付记录 CSV 中还原发票级别的数据（供 bot/fill_doc 使用）
-
-    读取 _invoices_json 字段，反序列化后展平为发票列表。
-    """
-    rows = load_csv(csv_path)
-    if rows is None:
-        return None
-
-    invoices = []
-    for row in rows:
-        invoices_json = row.get("_invoices_json", "")
-        if not invoices_json:
-            continue
-        try:
-            inv_list = json.loads(invoices_json)
-            for inv in inv_list:
-                # 从支付记录回填刷卡信息
-                inv["刷卡日期"] = row.get("刷卡日期", inv.get("刷卡日期", ""))
-                inv["公务卡号"] = row.get("公务卡号", inv.get("公务卡号", ""))
-                inv["刷卡金额"] = row.get("刷卡金额", inv.get("刷卡金额", ""))
-                invoices.append(inv)
-        except json.JSONDecodeError:
-            log.warning(f"无法解析发票 JSON: {invoices_json[:50]}...")
-    return invoices
+    return _load_csv(csv_path, INVOICE_LEVEL_COLUMNS, "发票 CSV")


 def save_csv(
@@ -180,8 +131,8 @@ def save_csv(
    """将支付记录列表保存为 CSV（以支付记录为主键）

    每条支付记录包含：
-        - 刷卡日期、公务卡号、刷卡金额（支付信息）
-        - 关联发票数、发票详情（发票聚合信息）
+        - card_date, card_no, card_amount（支付信息）
+        - relative_invoice_count, invoice_detail（发票聚合信息）
        - _matched_invoices（内部字段，序列化为 JSON 存储在 CSV 中）
    """
    csv_path = Path(output_path)
@@ -191,7 +142,6 @@ def save_csv(
        writer.writerow(PAYMENT_RECORD_COLUMNS)

        for idx, record in enumerate(payment_records, 1):
-            # 序列化关联发票为 JSON
            matched_invoices: list[dict[str, str]] = record.get("_matched_invoices", [])  # type: ignore[assignment]
            invoices_json = json.dumps(
                [_clean_invoice_for_json(inv) for inv in matched_invoices],
@@ -201,14 +151,14 @@ def save_csv(
            writer.writerow(
                [
                    idx,
-                    record.get("刷卡日期", ""),
-                    record.get("公务卡号", ""),
-                    record.get("刷卡金额", ""),
-                    record.get("关联发票数", str(len(matched_invoices))),
-                    record.get("发票详情", ""),
-                    record.get("备注", ""),
+                    record.get("card_date", ""),
+                    record.get("card_no", ""),
+                    record.get("card_amount", ""),
+                    record.get("relative_invoice_count", str(len(matched_invoices))),
+                    record.get("invoice_detail", ""),
+                    record.get("remark", ""),
                    invoices_json,
-                    record.get("工号", ""),
+                    record.get("person_id", ""),
                ]
            )

@@ -223,6 +173,7 @@ def save_invoice_csv(

    从 _matched_invoices 中还原每张发票，回填刷卡信息，
    生成以发票为主键的 CSV，用于人工填写报销单参考。
+    出差事前申请单不会被写入此文件（它们有独立的 CSV）。
    """
    csv_path = Path(output_path)

@@ -235,27 +186,29 @@ def save_invoice_csv(
            matched_invoices: list[dict[str, str]] = record.get("_matched_invoices", [])  # type: ignore[assignment]
            for inv in matched_invoices:
                clean_inv = _clean_invoice_for_json(inv)
+                if _is_application_document(clean_inv.get("invoice_type", "")):
+                    continue
                writer.writerow(
                    [
                        idx,
-                        clean_inv.get("发票类型", ""),
-                        clean_inv.get("发票号码", ""),
-                        clean_inv.get("开票日期", ""),
-                        clean_inv.get("项目名称", ""),
-                        clean_inv.get("规格型号", ""),
-                        clean_inv.get("价税合计", ""),
-                        clean_inv.get("销售方名称", ""),
-                        clean_inv.get("出发站", ""),
-                        clean_inv.get("到达站", ""),
-                        clean_inv.get("车次", ""),
-                        clean_inv.get("乘车日期", ""),
-                        clean_inv.get("座位等级", ""),
-                        clean_inv.get("人员姓名", ""),
-                        record.get("刷卡日期", ""),
-                        record.get("公务卡号", ""),
-                        record.get("刷卡金额", ""),
-                        record.get("备注", ""),
-                        record.get("工号", ""),
+                        clean_inv.get("invoice_type", ""),
+                        clean_inv.get("invoice_number", ""),
+                        clean_inv.get("invoice_date", ""),
+                        clean_inv.get("item_name", ""),
+                        clean_inv.get("spec_model", ""),
+                        clean_inv.get("total_amount", ""),
+                        clean_inv.get("seller_name", ""),
+                        clean_inv.get("departure", ""),
+                        clean_inv.get("arrival", ""),
+                        clean_inv.get("train_no", ""),
+                        clean_inv.get("ride_date", ""),
+                        clean_inv.get("seat_class", ""),
+                        clean_inv.get("person_name", ""),
+                        record.get("card_date", ""),
+                        record.get("card_no", ""),
+                        record.get("card_amount", ""),
+                        record.get("remark", ""),
+                        record.get("person_id", ""),
                    ]
                )
                idx += 1
@@ -263,11 +216,18 @@ def save_invoice_csv(
    log.info(f"发票级别 CSV 已保存: {csv_path.name}")


-def save_csv_rows(csv_path: Path, rows: list[dict[str, str]]) -> None:
-    """将 dict 列表保存为支付记录 CSV（用于更新已有 CSV）"""
-    with open(csv_path, "w", encoding="utf-8", newline="") as f:
-        writer = csv.DictWriter(f, fieldnames=PAYMENT_RECORD_COLUMNS)
-        writer.writeheader()
-        writer.writerows(rows)
+def save_application_json(
+    applications: list[dict[str, str]],
+    output_path: str | Path = "travel_applications.json",
+) -> None:
+    """将出差事前申请单列表保存为独立 JSON 文件

-    log.info(f"CSV 已保存: {csv_path.name}")
+    使用 JSON 保留完整嵌套结构（如出差人员信息的列表形式），
+    避免 CSV 扁平化导致的字段丢失。
+    """
+    json_path = Path(output_path)
+
+    with open(json_path, "w", encoding="utf-8") as f:
+        json.dump(applications, f, ensure_ascii=False, indent=2)
+
+    log.info(f"出差申请单 JSON 已保存: {json_path.name}")
--- a/src/doc/llm_extractor.py
+++ b/src/doc/llm_extractor.py
@@ -1,12 +1,19 @@
-"""
-LLM 信息提取
+"""LLM 信息提取

-使用 LLM 从 PDF 文本中提取结构化数据，以及从支付截图中提取刷卡信息。
-支持 JSON 格式输出，字段与 CSV_COLUMNS 对齐。
+使用 LLM 从 PDF 文本/图片、支付截图中提取结构化数据。

-对外接口:
-    extract_invoice_from_text(text, file_name) -> dict    从 PDF 文本提取发票信息
-    extract_card_info_from_image(image_path) -> dict     从支付截图提取刷卡信息
+## 功能模块
+
+- **统一文档提取**：使用一套提示词，LLM 自行判断文档类型（发票/支付记录/出差事前申请单等），支持 JSON 格式输出。
+- **差旅信息提取**：综合多张发票、支付记录和匹配结果，提取出差事由、地点、时间等差旅相关信息。
+- **缓存管理**：支持从 `.invoice_cache/` 目录加载已提取的结构化数据和匹配结果，避免重复处理。
+
+## 对外接口
+
+- `extract_document(file_path) -> dict` — 统一入口：从任意图片/PDF 提取信息
+- `extract_travel_info(source_dir) -> dict` — 综合发票和匹配结果提取差旅信息
+- `load_cache(source_dir) -> dict` — 加载缓存的结构化数据
+- `load_match_result(source_dir) -> dict` — 加载发票与支付记录的匹配结果
 """

 from __future__ import annotations
@@ -17,7 +24,10 @@ from pathlib import Path
 from typing import Any, cast

 from .. import get_logger
-from .prompt import build_card_info_system_prompt, build_invoice_system_prompt
+from .prompt import (
+    build_invoice_system_prompt,
+    build_travel_info_system_prompt,
+)

 log = get_logger("llm_extractor")

@@ -38,47 +48,12 @@ def _create_llm() -> Any:
        api_base=llm_config["api_base"],
        api_key=llm_config.get("api_key", "lm-studio"),
        temperature=0.1,
-        max_tokens=8192,
+        max_tokens=65535,
        request_timeout=600.0,
        is_chat_model=True,
    )


-def _llm_query(system_prompt: str, user_content: str, max_tokens: int = 4096) -> str:
-    """发送请求到 LLM 并返回完整响应文本。"""
-    from llama_index.core.llms import ChatMessage
-
-    from ..config import get_llm_config
-
-    messages = [
-        ChatMessage(role="system", content=system_prompt),
-        ChatMessage(role="user", content=user_content),
-    ]
-
-    llm_config = get_llm_config()
-    llm = _create_llm()
-    log.info("开始请求 LLM (model=%s, base=%s)", llm_config["model"], llm_config["api_base"])
-
-    try:
-        parts = []
-        for resp in llm.stream_chat(
-            messages,
-            temperature=0.1,
-            max_tokens=max_tokens,
-            extra_body={"reasoning_effort": "none"},
-        ):
-            delta = resp.delta
-            if delta:
-                parts.append(delta)
-        text = "".join(parts)
-        log.info("LLM 请求完成，响应总长度: %d 字符", len(text))
-        log.info("LLM 响应: %s", text)
-        return text
-    except Exception as e:
-        log.error("LLM 请求失败: %s", e)
-        raise
-
-
 def _parse_json_response(text: str) -> dict[str, Any]:
    """从 LLM 响应中提取 JSON，处理可能的 Markdown 包裹。"""
    text = text.strip()
@@ -98,31 +73,8 @@ def _parse_json_response(text: str) -> dict[str, Any]:
    return cast(dict[str, Any], json.loads(text))


-def extract_invoice_from_text(text: str, file_name: str = "") -> dict[str, Any]:
-    """从 PDF 发票文本中提取结构化数据。
-
-    Args:
-        text: PDF 提取的文本内容。
-        file_name: 原始文件名（用于日志）。
-
-    Returns:
-        包含所有 CSV_COLUMNS 字段的字典。
-    """
-    system_prompt = build_invoice_system_prompt()
-    user_content = f"请分析以下发票文本并提取信息：\n\n文件名: {file_name}\n\n---\n\n{text}\n\n---"
-
-    try:
-        response = _llm_query(system_prompt, user_content, max_tokens=4096)
-        result = _parse_json_response(response)
-        log.info("LLM 发票提取成功: %s", file_name)
-        return result
-    except Exception as e:
-        log.error("LLM 发票提取失败: %s (%s)", file_name, e)
-        raise
-
-
 # ------------------------------------------------------------------
-# 支付截图信息提取（多模态）
+# 统一文档提取（多模态，直接传图片给 LLM）
 # ------------------------------------------------------------------


@@ -134,36 +86,53 @@ def _image_to_base64(image_path: Path) -> str:

 def _llm_query_multimodal(
    system_prompt: str,
-    text: str,
-    image_b64: str,
-    max_tokens: int = 4096,
+    text: str | None = None,
+    image_b64s: list[str] | None = None,
+    blocks: list[Any] | None = None,
+    reasoning_effort: str = "none",
 ) -> str:
-    """发送多模态请求（文本 + 图片）到 LLM。"""
+    """发送多模态请求到 LLM。
+
+    Args:
+        system_prompt: 系统提示词。
+        text: 用户文本（与 image_b64s 配合使用，文本在前、图片在后）。
+        image_b64s: base64 编码的图片列表。
+        blocks: 预构建的内容块列表（TextBlock/ImageBlock），传入时忽略 text 和 image_b64s。
+
+    Returns:
+        LLM 响应文本。
+    """
    from llama_index.core.base.llms.types import ImageBlock, TextBlock
    from llama_index.core.llms import ChatMessage

    from ..config import get_llm_config

+    if blocks is not None:
+        final_blocks = blocks
+    else:
+        text = text or ""
+        image_b64s = image_b64s or []
+        final_blocks = [TextBlock(text=text)]
+        for img_b64 in image_b64s:
+            final_blocks.append(
+                ImageBlock(
+                    url=f"data:image/jpeg;base64,{img_b64}",
+                    detail="high",
+                )
+            )
+
    messages = [
        ChatMessage(role="system", content=system_prompt),
-        ChatMessage(
-            role="user",
-            blocks=[
-                TextBlock(text=text),
-                ImageBlock(
-                    url=f"data:image/jpeg;base64,{image_b64}",
-                    detail="high",
-                ),
-            ],
-        ),
+        ChatMessage(role="user", blocks=final_blocks),
    ]

    llm_config = get_llm_config()
    llm = _create_llm()
    log.info(
-        "开始请求 LLM 多模态 (model=%s, base=%s)",
+        "开始请求 LLM 多模态 (model=%s, base=%s, blocks=%d)",
        llm_config["model"],
        llm_config["api_base"],
+        len(final_blocks),
    )

    try:
@@ -171,8 +140,7 @@ def _llm_query_multimodal(
        for resp in llm.stream_chat(
            messages,
            temperature=0.1,
-            max_tokens=max_tokens,
-            extra_body={"reasoning_effort": "none"},
+            extra_body={"reasoning_effort": reasoning_effort},
        ):
            delta = resp.delta
            if delta:
@@ -186,25 +154,173 @@ def _llm_query_multimodal(
        raise


-def extract_card_info_from_image(image_path: Path) -> dict[str, Any]:
-    """从支付截图中提取刷卡信息。
+def extract_document(file_path: Path) -> dict[str, Any]:
+    """统一文档提取入口：从任意图片/PDF 中提取结构化信息。
+
+    LLM 会根据统一提示词自行判断文档类型（发票/支付记录/出差事前申请单等）。

    Args:
-        image_path: 支付截图图片路径。
+        file_path: 文件路径（支持 PDF 和图片格式）。

    Returns:
-        包含刷卡日期、刷卡金额、公务卡号的字典。
+        包含提取字段的字典。
    """
-    system_prompt = build_card_info_system_prompt()
-    user_text = f"请分析以下支付截图并提取信息：\n\n文件名: {image_path.name}"
+    from .pdf import render_pdf_to_images

-    image_b64 = _image_to_base64(image_path)
+    system_prompt = build_invoice_system_prompt()
+    user_text = f"请分析以下财务文档并提取信息：\n\n文件名: {file_path.name}"
+
+    # PDF 先渲染为图片
+    suffix = file_path.suffix.lower()
+    if suffix == ".pdf":
+        image_b64s = render_pdf_to_images(file_path)
+    else:
+        image_b64s = [_image_to_base64(file_path)]
+
+    if not image_b64s:
+        log.warning(f"文件渲染为空: {file_path.name}")
+        return {}

    try:
-        response = _llm_query_multimodal(system_prompt, user_text, image_b64, max_tokens=4096)
+        response = _llm_query_multimodal(system_prompt, user_text, image_b64s)
        result = _parse_json_response(response)
-        log.info("LLM 支付截图提取成功: %s", image_path.name)
+        log.info("LLM 文档提取成功: %s", file_path.name)
        return result
    except Exception as e:
-        log.error("LLM 支付截图提取失败: %s (%s)", image_path.name, e)
+        log.error("LLM 文档提取失败: %s (%s)", file_path.name, e)
+        raise
+
+
+# ------------------------------------------------------------------
+# 差旅信息提取
+# ------------------------------------------------------------------
+
+CACHE_DIR_NAME = ".invoice_cache"
+
+
+def load_cache(source_dir: Path) -> dict[str, Any]:
+    """从 JSON 缓存目录加载结构化数据，构建 source filename -> 缓存数据的映射。
+
+    Args:
+        source_dir: 源文件目录（包含 .invoice_cache 子目录）。
+
+    Returns:
+        {source_filename: extracted_data} 字典。
+        额外包含 "travel_info" 键（如果 travel_info.json 存在）。
+    """
+    cache_map: dict[str, Any] = {}
+    cache_dir = source_dir / CACHE_DIR_NAME
+    if not cache_dir.exists():
+        return cache_map
+
+    for json_path in sorted(cache_dir.glob("*.json")):
+        try:
+            with open(json_path, encoding="utf-8") as f:
+                cache_data = json.load(f)
+
+            # travel_info.json 结构不同，直接存储
+            if json_path.name == "travel_info.json":
+                cache_map["travel_info"] = cache_data
+                continue
+
+            extracted = cache_data.get("extracted_data", {})
+            src_file = extracted.get("_source_file", "")
+            if src_file:
+                cache_map[src_file] = extracted
+        except Exception as e:
+            log.warning(f"读取缓存失败 {json_path.name}: {e}")
+
+    return cache_map
+
+
+def load_match_result(source_dir: Path) -> dict[str, list[dict[str, Any]]]:
+    """从 JSON 缓存目录加载发票与支付记录的匹配结果。
+
+    Args:
+        source_dir: 源文件目录（包含 .invoice_cache 子目录）。
+
+    Returns:
+        {支付记录源文件 (含金额): [发票信息列表]} 字典。
+        每个发票信息包含 file, type, amount 字段。
+    """
+    cache_dir = source_dir / CACHE_DIR_NAME
+    match_path = cache_dir / "match_result.json"
+    if not match_path.exists():
+        return {}
+
+    try:
+        with open(match_path, encoding="utf-8") as f:
+            result: dict[str, list[dict[str, Any]]] = json.load(f)
+            return result
+    except Exception as e:
+        log.warning(f"读取匹配结果缓存失败: {e}")
+        return {}
+
+
+def extract_travel_info(
+    source_dir: Path | None = None,
+) -> dict[str, Any]:
+    """根据差旅发票（bot 格式），让 LLM 提取出差相关信息。
+
+    仅支持从 JSON 缓存加载数据。
+
+    bot 格式的发票包含以下字段：
+        - 发票类型, invoice_no, invoice_date, item_name, spec_model
+        - total_amount, seller_name, person_name, person_id
+        - card_date, card_no, card_amount, remark
+
+    Args:
+        source_dir: 源文件目录（必填，包含 .invoice_cache 子目录）。
+
+    Returns:
+        包含出差事由、地点、交通工具、时间、住宿信息等字段的字典。
+    """
+    # 仅从 JSON 缓存加载结构化数据
+    if not source_dir:
+        log.warning("未提供 source_dir，无法加载缓存数据")
+        return {}
+
+    system_prompt = build_travel_info_system_prompt()
+
+    # 构建 source filename -> 缓存数据的映射
+    cache_map = load_cache(source_dir)
+
+    # 加载发票与支付记录的匹配结果
+    match_result = load_match_result(source_dir)
+
+    # 拼接纯文本消息
+    parts = [
+        "以下是本次报销的所有源文件及其提取出的结构化数据。"
+        "每个源文件的数据来自 OCR 识别和发票信息提取，已按文件名分组展示。"
+    ]
+
+    # 如果有匹配结果，作为额外上下文提供
+    if match_result:
+        parts.append(
+            "【发票与支付记录匹配结果】"
+            "以下数据已将发票信息与对应的支付记录进行关联匹配，"
+            "用于判断每笔支付对应的发票和商户信息。\n" + json.dumps(match_result, ensure_ascii=False, indent=2)
+        )
+
+    # 按源文件名提供结构化数据
+    for filename, extracted in cache_map.items():
+        parts.append(
+            f"【源文件: {filename}】"
+            "以下为从该文件提取的结构化发票/支付/申请单数据。\n" + json.dumps(extracted, ensure_ascii=False, indent=2)
+        )
+
+    parts.append("\n=== 请返回 JSON 格式结果 ===")
+    user_message = "\n".join(parts)
+    log.info(f"user_message: {user_message}")
+    try:
+        response = _llm_query_multimodal(
+            system_prompt=system_prompt,
+            text=user_message,
+            reasoning_effort="low",
+        )
+        result = _parse_json_response(response)
+        log.info("LLM 差旅信息提取成功")
+        return result
+    except Exception as e:
+        log.error("LLM 差旅信息提取失败: %s", e)
        raise
--- a/src/doc/matcher.py
+++ b/src/doc/matcher.py
@@ -1,8 +1,11 @@
-"""发票与支付截图匹配
+"""发票与支付记录匹配

-将提取到的发票数据与支付截图中的刷卡记录进行金额匹配，
+将提取到的发票数据与支付记录进行金额匹配，
 输出以支付记录为主键的结果列表。

+支付记录由统一提取模块（extractor）根据 LLM 返回的「invoice_type」字段分类而来，
+不再按文件类型假设文档类型。
+
 ## 业务约束

 - 发票数 >= 付款记录数（最少一张发票对应一张付款记录）
@@ -11,7 +14,7 @@

 ## 匹配流程

-1. 扫描目录下图片文件，调用 LLM 提取刷卡信息（日期/金额/卡号）
+1. 接收分类好的发票和支付记录列表
 2. 解析发票和刷卡记录的金额，进行总额校验
   - 发票总额 < 刷卡总额时发出 warning
 3. 按金额降序排序
@@ -39,27 +42,15 @@

 ## 对外接口

-    match_invoices_to_cards(invoices, directory, tolerance) -> list[dict]
+    match_invoices_to_cards(invoices, cards, tolerance) -> list[dict]
 """

-from pathlib import Path
 from typing import Any

 from .. import get_logger
-from .llm_extractor import extract_card_info_from_image

 log = get_logger("matcher")

-# 支持的图片扩展名
-IMAGE_EXTENSIONS = {".png", ".jpg", ".jpeg", ".bmp", ".webp"}
-
-
-def _find_images(directory: str) -> list[Path]:
-    """在目录下查找支付截图图片文件"""
-    dir_path = Path(directory)
-    images = [f for f in dir_path.iterdir() if f.is_file() and f.suffix.lower() in IMAGE_EXTENSIONS]
-    return sorted(images)
-

 def _safe_float(value: str | None, default: float = 0.0) -> float:
    """安全转换为浮点数"""
@@ -71,50 +62,37 @@ def _safe_float(value: str | None, default: float = 0.0) -> float:
        return default


-def _extract_all_cards(directory: str) -> list[dict[str, Any]]:
-    """提取目录下所有支付截图的刷卡信息"""
-    images = _find_images(directory)
-    if not images:
-        log.warning("未找到支付截图图片")
-        return []
-
-    log.info(f"发现 {len(images)} 张支付截图")
-    cards = []
-    for img_path in images:
-        try:
-            card_info = extract_card_info_from_image(img_path)
-            card_info["_source_file"] = img_path.name
-            cards.append(card_info)
-            log.info(f"[支付截图] 已解析: {img_path.name}")
-        except Exception as e:
-            log.warning(f"支付截图解析失败 {img_path.name}: {e}")
-
-    log.info(f"共提取 {len(cards)} 条刷卡记录")
-    return cards
-
-
 def _build_invoice_summary(invoices: list[dict[str, Any]]) -> str:
    """将多张发票信息汇总为备注字符串"""
    parts = []
    for inv in invoices:
-        person_name = inv.get("人员姓名") or inv.get("发票号码", "未知")
-        inv_type = inv.get("发票类型", "未知")
-        amount = inv.get("价税合计", "未知")
-        parts.append(f"{inv_type}[{person_name}]¥{amount}")
+        inv_type = inv.get("invoice_type", "unknown")
+        amount = inv.get("total_amount", "unknown")
+
+        if inv_type == "train":
+            label = inv.get("person_name") or inv.get("invoice_number", "unknown")
+        elif inv_type == "hotel":
+            label = "hotel"
+        else:
+            label = inv.get("item_name") or inv.get("invoice_number", "unknown")
+
+        parts.append(f"{inv_type}[{label}]¥{amount}")
    return " | ".join(parts)


-def _relative_tolerance(base: float, rate: float = 0.05) -> float:
-    """根据基准金额计算相对容差（默认 5%）"""
+def _relative_tolerance(base: float, rate: float = 0.03) -> float:
+    """根据基准金额计算相对容差（默认 3%）"""
    return abs(base) * rate


 def match_invoices_to_cards(
    invoices: list[dict[str, Any]],
-    directory: str,
+    cards: list[dict[str, Any]] | None = None,
    tolerance: float = 0.03,
 ) -> list[dict[str, Any]]:
-    """将发票与支付截图按金额匹配，输出以支付记录为主键的结果列表
+    """将发票与支付记录按金额匹配，输出以支付记录为主键的结果列表
+
+    支付记录由统一提取模块（extractor）根据 LLM 返回的「invoice_type」字段分类而来。

    业务约束：
        - 发票数 >= 付款记录数
@@ -122,28 +100,26 @@ def match_invoices_to_cards(
        - 若发票数 == 付款数，一对一匹配，无需一对多

    Args:
-        invoices: 发票列表，需包含 "价税合计" 字段
-        directory: 支付截图所在目录
-        tolerance: 金额匹配容差比例（默认 0.05 = 5%）
+        invoices: 发票列表，需包含 "total_amount" 字段
+        cards: 支付记录列表，需包含 "card_amount" 字段（由 extractor 分类提供）
+        tolerance: 金额匹配容差比例（默认 0.03 = 3%）

    Returns:
        以支付记录为主键的结果列表，每条记录包含：
-        - 刷卡日期、公务卡号、刷卡金额（支付信息）
+        - card_date, card_no, card_amount（支付信息）
        - 关联发票列表（_matched_invoices）
        - 发票详情备注
        - 未匹配发票单独作为一条无刷卡信息的记录
    """
-    cards = _extract_all_cards(directory)
    if not cards:
-        log.warning("无刷卡记录可供匹配，发票将保持原状")
-        # 无刷卡记录时，每张发票作为独立记录返回
+        log.warning("无支付记录可供匹配，发票将保持原状")
        return _invoices_to_records(invoices)

    # 解析金额
    for card in cards:
-        card["_amount"] = _safe_float(card.get("刷卡金额"))
+        card["_amount"] = _safe_float(card.get("card_amount"))
    for inv in invoices:
-        inv["_amount"] = _safe_float(inv.get("价税合计"))
+        inv["_amount"] = _safe_float(inv.get("total_amount"))

    # 数据校验
    total_invoices = sum(inv["_amount"] for inv in invoices)
@@ -156,8 +132,8 @@ def match_invoices_to_cards(
    total_tolerance = _relative_tolerance(max(total_invoices, total_cards), tolerance)
    if total_invoices < total_cards - total_tolerance:
        log.warning(
-            f"发票总额 (¥{total_invoices:.2f}) 小于刷卡总额 (¥{total_cards:.2f})，"
-            f"超出容差 {tolerance * 100:.0f}%，匹配结果可能有偏差"
+            f"发票总额 (¥{total_invoices:.2f}) 小于刷卡总额 (¥{total_cards:.2f}), "
+            f"超出容差 {tolerance * 100:.0f}%, 匹配结果可能有偏差"
        )

    # 按金额降序排序
@@ -193,7 +169,7 @@ def _match(
 ) -> dict[int, list[int]]:
    """执行匹配，返回 {card_index: [invoice_indices]} 的映射

-    tolerance 为相对容差比例（如 0.05 表示 5%）
+    tolerance 为相对容差比例（如 0.03 表示 3%）
    """
    result: dict[int, list[int]] = {}
    assigned: set[int] = set()
@@ -213,10 +189,7 @@ def _match_one_to_one(
    assigned: set[int],
    result: dict[int, list[int]],
 ) -> None:
-    """一对一匹配：发票数等于刷卡数，按金额从大到小依次配对
-
-    tolerance 为相对容差比例，以刷卡金额为基准计算
-    """
+    """一对一匹配：发票数等于刷卡数，按金额从大到小依次配对"""
    for card_idx, card in enumerate(cards):
        if card_idx >= len(invoices):
            break
@@ -227,13 +200,13 @@ def _match_one_to_one(
            assigned.add(card_idx)
            result[card_idx] = [card_idx]
            log.info(
-                f"[一对一] {inv.get('发票号码', '未知')} ¥{inv['_amount']:.2f} "
-                f"↔ {card.get('_source_file', '未知')} ¥{card['_amount']:.2f}"
+                f"[一对一] {inv.get('invoice_number', 'unknown')} ¥{inv['_amount']:.2f} "
+                f"↔ {card.get('_source_file', 'unknown')} ¥{card['_amount']:.2f}"
            )
        else:
            log.warning(
                f"[一对一] 金额偏差超出容差: "
-                f"{inv.get('发票号码', '未知')} ¥{inv['_amount']:.2f} "
+                f"{inv.get('invoice_number', 'unknown')} ¥{inv['_amount']:.2f} "
                f"vs ¥{card['_amount']:.2f} (差 ¥{diff:.2f}, 容差 ¥{card_tol:.2f})"
            )

@@ -245,14 +218,7 @@ def _match_one_to_many(
    assigned: set[int],
    result: dict[int, list[int]],
 ) -> None:
-    """一对多匹配：一张刷卡可能对应多张发票，按金额从大到小贪心匹配
-
-    tolerance 为相对容差比例（如 0.05 表示 5%），以刷卡金额为基准计算
-
-    匹配分两阶段：
-    1. 精确匹配：先扫描金额完全相等（差值 <= 0.01 元）的发票-刷卡对，直接锁定
-    2. 贪心匹配：剩余未分配的发票和刷卡记录走贪心凑金额
-    """
+    """一对多匹配：一张刷卡可能对应多张发票，按金额从大到小贪心匹配"""

    # ---- 阶段 1：精确匹配（金额差 <= 0.01 元视为相等）----
    exact_tolerance = 0.01
@@ -272,21 +238,20 @@ def _match_one_to_many(
                assigned.add(idx)
                result[card_idx] = [idx]
                log.info(
-                    f"[一对多-精确] {inv.get('发票号码', '未知')} ¥{inv_amount:.2f} "
-                    f"↔ {card.get('_source_file', '未知')} ¥{card_amount:.2f}"
+                    f"[一对多-精确] {inv.get('invoice_number', 'unknown')} ¥{inv_amount:.2f} "
+                    f"↔ {card.get('_source_file', 'unknown')} ¥{card_amount:.2f}"
                )
-                break  # 每张刷卡只精确匹配一张发票
+                break

    # ---- 阶段 2：贪心匹配（仅处理未精确匹配的刷卡记录）----
    for card_idx, card in enumerate(cards):
-        if card_idx in result:  # 已在阶段 1 精确匹配
+        if card_idx in result:
            continue

        card_amount = card["_amount"]
        if card_amount <= 0:
            continue

-        # 以刷卡金额为基准计算相对容差
        card_tol = _relative_tolerance(card_amount, tolerance)

        remaining = card_amount
@@ -302,8 +267,6 @@ def _match_one_to_many(
            if inv_amount <= 0:
                continue

-            # 最后一张发票：金额 + 容差 >= remaining 即可
-            # 中间发票：金额不超过 remaining + 容差
            if inv_amount + card_tol >= remaining:
                is_match = True
            else:
@@ -328,8 +291,8 @@ def _match_one_to_many(
            for idx in matched_indices:
                inv = invoices[idx]
                log.info(
-                    f"[一对多-贪心] {inv.get('发票号码', '未知')} ¥{inv['_amount']:.2f} "
-                    f"→ {card.get('_source_file', '未知')} ¥{card['_amount']:.2f}"
+                    f"[一对多-贪心] {inv.get('invoice_number', 'unknown')} ¥{inv['_amount']:.2f} "
+                    f"→ {card.get('_source_file', 'unknown')} ¥{card['_amount']:.2f}"
                )


@@ -341,18 +304,18 @@ def _build_payment_records(
    """构建以支付记录为主键的结果列表"""
    records: list[dict[str, Any]] = []

-    # 已有匹配记录的支付
    for card_idx, inv_indices in card_to_invoices.items():
        card = cards[card_idx]
        matched_invs = [invoices[idx] for idx in inv_indices]

        record = {
-            "刷卡日期": card.get("刷卡日期", ""),
-            "公务卡号": card.get("公务卡号", ""),
-            "刷卡金额": str(card["_amount"]),
-            "关联发票数": str(len(matched_invs)),
-            "发票详情": _build_invoice_summary(matched_invs),
-            "备注": "",
+            "card_date": card.get("card_date", ""),
+            "card_no": card.get("card_no", ""),
+            "card_amount": str(card["_amount"]),
+            "relative_invoice_count": str(len(matched_invs)),
+            "invoice_detail": _build_invoice_summary(matched_invs),
+            "remark": "",
+            "_source_file": card.get("_source_file", ""),
            "_matched_invoices": matched_invs,
        }
        records.append(record)
@@ -365,12 +328,12 @@ def _build_payment_records(
    unmatched = [inv for idx, inv in enumerate(invoices) if idx not in matched_indices]
    for inv in unmatched:
        record = {
-            "刷卡日期": "",
-            "公务卡号": "",
-            "刷卡金额": "",
-            "关联发票数": "1",
-            "发票详情": _build_invoice_summary([inv]),
-            "备注": "未匹配到支付记录",
+            "card_date": "",
+            "card_no": "",
+            "card_amount": "",
+            "relative_invoice_count": "1",
+            "invoice_detail": _build_invoice_summary([inv]),
+            "remark": "unmatched",
            "_matched_invoices": [inv],
        }
        records.append(record)
@@ -383,12 +346,12 @@ def _invoices_to_records(invoices: list[dict[str, Any]]) -> list[dict[str, Any]]
    records = []
    for inv in invoices:
        record = {
-            "刷卡日期": "",
-            "公务卡号": "",
-            "刷卡金额": "",
-            "关联发票数": "1",
-            "发票详情": _build_invoice_summary([inv]),
-            "备注": "",
+            "card_date": "",
+            "card_no": "",
+            "card_amount": "",
+            "relative_invoice_count": "1",
+            "invoice_detail": _build_invoice_summary([inv]),
+            "remark": "",
            "_matched_invoices": [inv],
        }
        records.append(record)
--- a/src/doc/pdf.py
+++ b/src/doc/pdf.py
@@ -1,42 +1,46 @@
-"""PDF 文件发现与文本提取
+"""PDF 图片渲染

-从 PDF 发票文件中提取原始文本内容。
+从 PDF 发票文件中渲染为图片供多模态 LLM 使用。

 对外接口:
-    find_pdf_files(directory)       -> list[Path]  查找目录下所有 PDF
-    extract_text_from_pdf(filepath) -> str         提取 PDF 文本
+    render_pdf_to_images(filepath, dpi) -list[str] 渲染 PDF 为图片字节
 """

+import base64
 from pathlib import Path

+import fitz
+
 from .. import get_logger

 log = get_logger("pdf")


-def find_pdf_files(directory: str = ".") -> list[Path]:
-    """查找目录下所有 PDF 文件(非递归)"""
-    pdf_dir = Path(directory)
-    if not pdf_dir.exists():
-        return []
-    return sorted(pdf_dir.glob("*.pdf"))
+def render_pdf_to_images(filepath: Path, dpi: int = 300) -> list[str]:
+    """将 PDF 渲染为图片，返回 base64 编码的 JPEG 字符串列表。

+    Args:
+        filepath: PDF 文件路径。
+        dpi: 渲染分辨率（默认 150，平衡质量与速度）。

-def extract_text_from_pdf(filepath: Path) -> str:
-    """从单个 PDF 中提取全部文本"""
+    Returns:
+        base64 编码的 JPEG 图片字符串列表（每页一个）。
+    """
+    images = []
    try:
-        import pdfplumber
-    except ImportError as err:
-        raise ImportError("缺少 pdfplumber，请执行: uv pip install pdfplumber") from err
+        doc = fitz.open(filepath)
+        zoom = dpi / 72.0  # 72 DPI 是 fitz 默认
+        matrix = fitz.Matrix(zoom, zoom)

-    try:
-        parts = []
-        with pdfplumber.open(filepath) as pdf:
-            for page in pdf.pages:
-                text = page.extract_text()
-                if text:
-                    parts.append(text)
-        return "\n".join(parts)
+        for page in doc:
+            pix = page.get_pixmap(matrix=matrix)
+            jpg_bytes = pix.tobytes("jpg")
+            b64 = base64.b64encode(jpg_bytes).decode("utf-8")
+            images.append(b64)
+
+        doc.close()
+        log.info(f"PDF 渲染成功: {filepath.name} ({len(images)} 页, {dpi} DPI)")
    except Exception as e:
-        log.error(f"无法读取 {filepath.name}: {e}")
-        return ""
+        log.error(f"PDF 渲染失败 {filepath.name}: {e}")
+
+    return images
--- a/src/doc/prompt.py
+++ b/src/doc/prompt.py
@@ -21,6 +21,6 @@ def build_invoice_system_prompt() -> str:
    return _load_prompt("invoice_system.md")


-def build_card_info_system_prompt() -> str:
-    """构建支付截图信息提取系统提示词。"""
-    return _load_prompt("card_info_system.md")
+def build_travel_info_system_prompt() -> str:
+    """构建差旅信息提取系统提示词。"""
+    return _load_prompt("travel_info_system.md")
--- a/src/doc/prompts/README.md
+++ b/src/doc/prompts/README.md
@@ -0,0 +1,20 @@
+---
+last_reviewed: 2026-06-11
+---
+
+# src/doc/prompts — LLM 提示词模板
+
+存放 LLM 信息提取使用的系统提示词模板文件，由 `src/doc/prompt.py` 动态加载。
+
+## 模板清单
+
+| 文件 | 用途 |
+|------|------|
+| `invoice_system.md` | 发票提取系统提示词：指导 LLM 从发票图片、支付截图、出差申请单等文档中提取结构化信息 |
+| `travel_info_system.md` | 差旅信息提取系统提示词：指导 LLM 整合已结构化的发票信息、付款记录和出差申请单，生成差旅报销所需的结构化数据 |
+
+## 加载方式
+
+```python
+from src.doc.prompt import build_invoice_system_prompt, build_travel_info_system_prompt
+```
--- a/src/doc/prompts/card_info_system.md
+++ b/src/doc/prompts/card_info_system.md
@@ -1,11 +0,0 @@
-# 支付截图信息提取系统提示词
-
-你是财务支付截图信息提取助手。你的任务是从支付截图（银行转账记录、微信/支付宝付款凭证等）中提取结构化信息，并以 JSON 格式返回。
-
-需要提取的字段（全部必填，无法识别时返回空字符串）：
-
-1. 刷卡日期: 支付发生的日期，格式为 YYYY/M/D
-2. 刷卡金额: 实际支付金额，只保留数字（如 123.45）
-3. 公务卡号: 付款银行卡号，如果截图中有显示则提取，没有则返回空字符串
-
-严格只输出 JSON，不要输出任何其他文字、Markdown 标记或解释。
--- a/src/doc/prompts/invoice_system.md
+++ b/src/doc/prompts/invoice_system.md
@@ -1,33 +1,88 @@
-# 发票提取系统提示词
+你是财务文档信息提取助手。你的任务是从图片中提取结构化信息，可能是支付截图、银行转账记录、微信/支付宝付款凭证等，也可能是发票文件，也可能是出差事前申请单，不管任何形式都要用统一的 JSON 格式返回信息。

-你是财务文档信息提取助手。你的任务是从发票文本中提取结构化信息，并以 JSON 格式返回。
+第一步要先判断是，支付记录、高铁票、酒店住宿，普通发票，然后不同类型输出的信息不同。

-需要提取的字段（全部必填，无法识别时返回空字符串）：
+## 输出示例
+
+以下是火车票类型发票的完整示例：
+```json
+{
+  "invoice_type": "train", //必填项
+  "invoice_number": "26349119343000335414",
+  "invoice_date": "2026-06-05", //必填项
+  "ride_date": "2026-06-02", //必填项
+  "departure": "阜阳西", //必填项
+  "arrival": "合肥南", //必填项
+  "seat_class": "二等座",
+  "train_no": "G1967",
+  "person_name": "王建锋", //必填项
+  "total_amount": "115.50" //必填项
+}
+```
+以下是支付记录的完整示例：
+```json
+{
+  "invoice_type": "payment",//必填项
+  "card_date": "2026-06-01",//必填项
+  "card_amount": "231.00",//必填项
+  "card_no": "6282****1682"
+}
+```
+以下是酒店住宿发票的完整示例：
+```json
+{
+  "invoice_type": "hotel",//必填项
+  "invoice_number": "26342000001715702281",
+  "invoice_date": "2026-06-03",
+  "total_amount": "536.00"//必填项
+}
+```
+## 重要规则
+- **必填项**：invoice_type、invoice_date、ride_date、departure、arrival、person_name、total_amount 字段为必填，必须填写。
+- **空值处理**：可选字段如没有对应信息，返回空字符串；金额字段找不到才填`0`，否则尽量填写实际金额。
+
+**支付记录**：如果是支付截图、银行转账记录、微信/支付宝付款凭证大概率就是支付记录，请返回如下字段（全部必填，无法识别时返回空字符串）：
+1. invoice_type: "payment"
+2. card_date: 支付发生的日期，格式为 YYYY-M-D
+3. card_amount: 实际支付金额，只保留数字（如 123.45）
+4. card_no: 付款银行卡号，如果截图中有显示则提取，没有则返回空字符串
+
+**出差事前申请单**，如果是**出差事前申请单**请返回如下字段：
+1. invoice_type: "application"
+2. project_name：通常是(项目编号/项目名称)
+2. purpose：一段文本描述
+3. start_date：格式为 YYYY-M-D
+4. end_date：格式为 YYYY-M-D
+5. person_info，包含：
+    1. person_id：字母+数字
+    2. person_name：有编号就肯定由姓名
+
+发票需要提取的字段（全部必填，无法识别时返回空字符串）：
 先判断发票类型，如果是高铁票/或者火车票，返回如下字段：
-1. 发票类型: "高铁票"
-2. 发票号码: 发票的唯一编号
-3. 开票日期: 格式为 YYYY/M/D
-4. 乘车日期: 格式为 YYYY/M/D
-5. 出发站: 没有留空
-6. 到达站: 没有留空
-7. 座位等级: 没有留空
-8. 车次: 没有留空
-9. 人员姓名: 没有留空
-10. 价税合计：就是票价，找不到票价信息才填`0`，能够找到尽量填写找到的信息
+1. invoice_type: "train"
+2. invoice_number: 发票的唯一编号
+3. invoice_date: 格式为 YYYY-M-D
+4. ride_date: 格式为 YYYY-M-D
+5. departure: 没有留空
+6. arrival: 没有留空
+7. seat_class: 没有留空
+8. train_no: 没有留空
+9. person_name: 没有留空
+10. total_amount：就是票价，找不到票价信息才填`0`，能够找到尽量填写找到的信息

 如果是酒店住宿(酒店住宿通产包含关键字：住宿服务，酒店，生产生活服务等，请仔细分析，这种发票和普通发票类似)，返回如下字段：
-1. 发票类型: "酒店住宿"
-2. 发票号码: 发票的唯一编号
-3. 开票日期: 格式为 YYYY/M/D
-4. 价税合计: 金额数字
+1. invoice_type: "hotel"
+2. invoice_number: 发票的唯一编号
+3. invoice_date: 格式为 YYYY-M-D
+4. total_amount: 金额数字

 如果是普通发票，返回如下字段：
-1. 发票类型: "普通发票"
-2. 发票号码: 发票的唯一编号
-3. 开票日期: 格式为 YYYY/M/D
-4. 项目名称: 商品或服务名称，总结的人能看懂
-5. 规格型号: 规格描述
-6. 价税合计: 金额数字
-7. 销售方名称: 卖方全称
+1. invoice_type: "general"
+2. invoice_number: 发票的唯一编号
+3. invoice_date: 格式为 YYYY-M-D
+4. item_name: 商品或服务名称，总结的人能看懂
+5. spec_model: 规格描述
+6. total_amount: 金额数字
+7. seller_name: 卖方全称

-严格只输出 JSON，不要输出任何其他文字、Markdown 标记或解释。
+**千万注意！千万注意！**：严格只输出 JSON，不要输出任何其他文字、Markdown 标记或解释。
--- a/src/doc/prompts/travel_info_system.md
+++ b/src/doc/prompts/travel_info_system.md
@@ -0,0 +1,123 @@
+# 差旅信息提取系统提示词
+
+你是财务差旅信息提取助手。你的任务是根据发票信息、付款记录，提取出差相关的结构化信息，并以严格符合以下类型要求的 JSON 格式返回。所有类型约束为最高优先级规则，任何情况下不得违反。
+
+🔴 最高优先级：强制性类型约束（优先级高于所有其他规则）
+1. 根节点必须包含且仅包含以下 6 个字段，字段类型绝对不可变更：
+
+    | 字段名    | 强制类型      | 空值处理规则             |
+    | ------ | --------- | ------------------ |
+    | `basic_info` | 对象 (dict) | 必填，所有子字段必须完整存在     |
+    | `reimbursement_details` | 对象 (dict) | 必填，必须且仅包含以下 3 个子字段 |
+    | `payment_methods` | 数组 (list) | 必填，无数据时赋值为`[]`     |
+    | `subsidy_list` | 数组 (list) | 必填，无数据时赋值为`[]`     |
+    | `attachments`   | 数组 (list) | 必填，无数据时赋值为`[]`     |
+2. `reimbursement_details`对象必须包含且仅包含以下 3 个子字段，每个子字段必须是数组类型：
+
+    |字段名|强制类型|空值处理规则|
+    |---|---|---|
+    |`transport_fee`|数组 (list)|无数据时赋值为`[]`|
+    |`hotel_fee`|数组 (list)|无数据时赋值为`[]`|
+    |`conference_fee`|数组 (list)|无数据时赋值为`[]`|
+3. 绝对禁止以下行为：
+* 省略上述任何一个根节点字段或报销明细的子字段
+* 将数组类型的字段赋值为null、字符串、数字或对象
+* 在报销明细中添加任何未定义的子字段
+* 合并不同模块的数组数据
+✅ 正确类型示例
+```json
+{
+  "basic_info": {...},
+  "reimbursement_details": {
+    "transport_fee": [{"vehicle_type":"train", ...}],
+    "hotel_fee": [],
+    "conference_fee": []
+  },
+  "payment_methods": [],
+  "subsidy_list": [{"person_name":"张三", ...}],
+  "attachments": [{"filename":"发票.pdf", ...}]
+}
+```
+❌ 错误类型示例（绝对禁止）
+```json
+{
+  "basic_info": {...},
+  "reimbursement_details": {
+    "transport_fee": [{"vehicle_type":"train", ...}]
+    // 错误：省略了hotel_fee和conference_fee字段
+  },
+  "payment_methods": null, // 错误：数组类型不能为null
+  "subsidy_list": ""    // 错误：数组类型不能为字符串
+  // 错误：省略了attachments字段
+}
+```
+
+## 输入数据说明
+你会收到以下数据：
+1. **发票信息**：包含高铁票（火车/飞机票）和酒店住宿发票的结构化提取数据
+2. **付款记录**：包含刷卡日期、刷卡金额、公务卡号等信息
+3. **出差事前申请单**（可选）：包含项目名称、出差事由、出差时间、出差人员等信息
+
+需要提取的信息：
+1. `basic_info`:(必填，每一项都必须填，给出合理的猜测)
+    1. `travel_purpose`：如果有出差事前申请单，优先使用申请单中的出差事由；否则根据所有发票信息总结一个合理的出差事由（如"参加XX学术会议"、"前往XX办理公务"等）
+    2. `travel_location`：出差目的地，注意一定是从阜阳出发，根据交通工具出发点和目的地也可以推断得到出差地点，出差事前申请单也有说明
+    3. `start_date`：由交通工具发票的乘车日期推断，没有的话从一切可以知道的信息推断，格式 YYYY-M-D
+    4. `end_date`：由交通工具发票的乘车日期推断，没有的话从一切可以知道的信息推断，格式 YYYY-M-D
+2. `reimbursement_details`:(至少有一项)
+    1. `transport_fee`:（如有，每一项都要必填，无直接信息时给出合理猜测；多项请采用上述通用 JSON 数组格式）
+        1. `vehicle_type`：从以下选项中选择最符合的一个：train、car、ship、personal_car、official_car、plane、rental_car、self_drive
+        2. `start_date`: 由交通工具发票的乘车日期填写，格式 YYYY-M-D
+        3. `end_date`: 由交通工具发票的乘车日期填写，格式 YYYY-M-D
+        4. `departure_place`：由交通工具发票的信息填写，通常是城市名称
+        5. `arrival_place`：由交通工具发票的信息填写，通常是城市名称
+        6. `amount`：由交通工具发票的信息填写，通常是城市名称
+        7. `bill_count`：由交通工具发票的信息填写，通常是城市名称
+        8. `remark`：填写基本信息，例如：王建锋和张国庆高铁票
+    2. `hotel_fee`：（如有，每一项都要必填，无直接信息时给出合理猜测；多项请采用上述通用 JSON 数组格式）
+        1. `checkin_date`：（酒店发票，通常不含）、（交通工具发票，优先级最高）、（出差事前申请单，时间有可能不对，实际不一定按照规划的进行，以交通工具离开阜阳时间为最高优先级）综合推断，格式 YYYY-M-D，例如：2026-06-01
+        2. `checkout_date`：（酒店发票，通常不含）、（交通工具发票，优先级最高）、（出差事前申请单，时间有可能不对，实际不一定按照规划的进行，以交通工具回阜阳时间为最高优先级）综合推断，格式 YYYY-M-D，例如：2026-06-03
+        3. `days`：结束日期 - 开始日期，整数，例如 2026-06-03 - 2026-06-01，天数为 2 天
+        4. `person_count`：根据发票信息和车票信息综合判断住宿人数，有可能开成一张发票，人数一定是整数
+        5. `invoice_amount`：所有酒店住宿发票的价税合计总额，数字
+        6. `reimburse_amount`：所有酒店住宿付款记录的合计总额，数字
+        7. `remark`：根据所有信息综合判断住宿人员，然后就填写所有人姓名，例如：王建锋、张国庆住宿
+    3. `conference_fee`(如果有，每一项都要必填，给出合理的猜测)
+        1. `bill_count`：根据发票信息判断，有几张关于会务费培训费的发票，一定是整数
+        2. `amount`：会务费培训发票的总金额
+        3. `remark`：会务培训的基本信息
+
+4. `payment_methods`：（多少笔支付记录就有多少条；多项请采用上述通用 JSON 数组格式）
+    1. `card_date`：根据付款记录，格式 YYYY-M-D
+    2. `card_amount`：根据付款记录填写，单位为元，数字
+    3. `merchant`：根据发票信息推测商户信息（高铁票统一为中国铁路）
+    4. `remark`：说明该笔付款关联的发票信息，例如：王建锋和张国庆从阜阳西 - 合肥南高铁票
+5. `subsidy_list`：（必填；多项请采用上述通用 JSON 数组格式）
+    1. `person_id`：无直接信息时给出合理编号
+    2. `person_name`：根据车票、住宿等信息推断出差人员姓名
+    3. `start_date`：根据当前人员的来回的交通工具发票上的时间推断，如果没有依据基本信息中的日期信息，格式 YYYY-M-D，例如：2026-06-01
+    4. `end_date`：根据当前人员的来回的交通工具发票上的时间推断，如果没有依据基本信息中的日期信息，格式 YYYY-M-D，例如：2026-06-03
+    5. `days`：结束日期 - 开始日期 + 1，整数（例如：2026-06-03 - 2026-06-01 + 1，天数为 3 天）
+6. `attachments`：（必填，用户已经告诉你所有文件了`【源文件: {filename}】`，"invoice_type": "payment"的不作为附件）
+    1. `filename`: 严格使用用户提供的原始文件名，不得修改任何字符
+    2. `attachment_type`：从以下两个选项中选择：invoice、other
+    3. `attachment_desc`：简要描述该文件的基本信息
+
+**推理规则**：
+- 补助清单由人员数量决定：例如`[{"person_id": "xxxxxxx", "person_name": "张三", "start_date":"2026-06-01", "end_date": "2026-06-03", "days": 3}, {"person_id": "2024xxxxx", "person_name": "李四", "start_date":"2026-06-01", "end_date": "2026-06-03", "days": 3}]`
+- 支付方式示例：`[{"card_date": "2026-06-01","card_amount": 231.0,"merchant": "中国铁路网络有限公司","remark": "张国庆和王建锋从阜阳西-合肥南高铁票"},{"card_date": "2026-06-01","card_amount": 167.0,"merchant": "中国铁路网络有限公司","remark": "陈曙光从阜阳西-合肥南高铁票"}]`
+- 交通费，去和回不能放在一起，最好放在两个交通费单里，去时放一个，回时放一个
+- 如果有出差事前申请单，优先使用申请单中的出差事由
+- 出差开始时间优先取最早的交通工具乘车日期，无交通工具发票时参考申请单时间
+- 出差结束时间优先取最晚的交通工具乘车日期，无交通工具发票时参考申请单时间
+- 若无交通工具发票，用开票日期和付款日期综合判断
+- 住宿天数 = checkout_date - checkin_date 结果要大于等于 0
+- 若只有单张酒店发票且无明确天数信息，住宿天数默认为 1
+- 若只有单张酒店发票且无明确人数信息，住宿人数默认为 1
+- 支付记录不放在附件中！
+
+## 最终输出要求
+* 严格只输出符合上述所有要求的 JSON 字符串
+* 不要输出任何思考过程、解释文字、Markdown 标记或其他内容
+* 输出的 JSON 必须语法正确，无多余逗号、引号等语法错误
+* 必须严格遵守所有强制性类型约束，任何违反类型要求的输出均视为无效
--- a/src/main.py
+++ b/src/main.py
@@ -37,13 +37,18 @@ def main() -> None:
        "-u",
        "--username",
        default=None,
-        help="信息门户登录账号（覆盖 config.json）",
+        help="信息门户登录账号（覆盖 scripts/config.json）",
    )
    parser.add_argument(
        "-p",
        "--password",
        default=None,
-        help="信息门户登录密码（覆盖 config.json）",
+        help="信息门户登录密码（覆盖 scripts/config.json）",
+    )
+    parser.add_argument(
+        "--cache-dir",
+        default=None,
+        help="发票缓存目录（包含 .invoice_cache 子目录，默认: scripts/data）",
    )
    args = parser.parse_args()

@@ -51,6 +56,7 @@ def main() -> None:
        step=args.step,
        username=args.username,
        password=args.password,
+        cache_dir=args.cache_dir,
    )
    sys.exit(exit_code)

--- a/src/pipeline.py
+++ b/src/pipeline.py
@@ -5,8 +5,8 @@
 数据在内存中流转，同时生成 CSV 中间产物。

 发票类型区分：
-    - 差旅发票（高铁票/酒店住宿）：不生成易耗品出库单，走差旅报销流程
-    - 普通发票：生成易耗品出库单，走普通报销流程
+    - 差旅发票（train/hotel）：不生成易耗品出库单，走差旅报销流程
+    - 普通发票（general）：生成易耗品出库单，走普通报销流程
 """

 from pathlib import Path
@@ -16,52 +16,57 @@ from . import get_logger
 from .config import load_config
 from .doc.extractor import extract_invoices
 from .doc.invoice import (
-    classify_invoice_batch,
-    load_invoices_from_csv,
+    save_application_json,
    save_invoice_csv,
 )
 from .doc.invoice import (
    save_csv as save_payment_csv,
 )

+
+def _classify_invoice_batch(
+    invoices: list[dict[str, str]],
+) -> dict[str, list[dict[str, str]]]:
+    """按发票类型分组"""
+    travel: list[dict[str, str]] = []
+    general: list[dict[str, str]] = []
+    application: list[dict[str, str]] = []
+    for inv in invoices:
+        inv_type = inv.get("invoice_type", "general")
+        if inv_type == "application":
+            application.append(inv)
+        elif inv_type in ("train", "hotel"):
+            travel.append(inv)
+        else:
+            general.append(inv)
+    return {"travel": travel, "general": general, "application": application}
+
+
 log = get_logger("pipeline")


-def _find_upload_directory(project_dir: Path) -> Path | None:
-    """自动发现 uploads 目录下最新且包含 PDF 的会话文件夹"""
-    uploads_base = project_dir / "src" / "web" / "uploads"
-    if not uploads_base.is_dir():
-        return None
+def _classify_from_cache(cache_path: Path) -> dict[str, list[dict[str, Any]]]:
+    """从缓存目录读取发票数据并按类型分组"""
+    from .doc.llm_extractor import load_cache

-    # 只选包含 PDF 的目录
-    valid_dirs = [d for d in uploads_base.iterdir() if d.is_dir() and list(d.glob("*.pdf"))]
-    if not valid_dirs:
-        return None
-
-    # 按修改时间排序，取最新
-    session_dirs = sorted(
-        valid_dirs,
-        key=lambda d: d.stat().st_mtime,
-        reverse=True,
-    )
-    return session_dirs[0]
+    cache_map = load_cache(cache_path)
+    invoices = [data for data in cache_map.values() if data.get("invoice_type") not in ("application", "payment")]
+    return _classify_invoice_batch(invoices)


-def _classify_from_csv(csv_path: Path) -> dict[str, list[dict[str, Any]]]:
-    """从已生成的 CSV 中读取发票数据并按类型分组"""
-    rows = load_invoices_from_csv(csv_path)
-    if rows is None:
-        return {"travel": [], "general": []}
-    return classify_invoice_batch(rows)
-
-
-def run_pipeline(step: str = "all", username: str | None = None, password: str | None = None) -> int:
+def run_pipeline(
+    step: str = "all",
+    username: str | None = None,
+    password: str | None = None,
+    cache_dir: str | None = None,
+) -> int:
    """执行报销流程

    Args:
        step: all | invoice | submit
        username: 覆盖 config.json 中的用户名
        password: 覆盖 config.json 中的密码
+        cache_dir: 发票缓存目录（包含 .invoice_cache 子目录）
    """
    config = load_config()
    if username:
@@ -69,8 +74,8 @@ def run_pipeline(step: str = "all", username: str | None = None, password: str |
    if password:
        config["password"] = password

-    # 工作目录（项目根目录）
    project_dir = Path(__file__).parent.parent
+    cache_path = Path(cache_dir) if cache_dir else project_dir / "scripts" / "data"

    # --------------------------------------------------
    # Step 1: 发票提取
@@ -83,15 +88,17 @@ def run_pipeline(step: str = "all", username: str | None = None, password: str |
        log.info("[1/2] 发票提取")
        log.info("=" * 60)

-        payment_records, groups = extract_invoices(str(project_dir))
+        payment_records, applications, groups = extract_invoices(str(cache_path))
        if not payment_records:
            log.error("未提取到任何发票数据")
            return 1

-        save_payment_csv(payment_records, project_dir / "payment_records.csv")
-        save_invoice_csv(payment_records, project_dir / "invoice_summary.csv")
+        save_payment_csv(payment_records, cache_path / "payment_records.csv")
+        save_invoice_csv(payment_records, cache_path / "invoice_summary.csv")
+
+        if applications:
+            save_application_json(applications, cache_path / "travel_applications.json")

-        # 打印分类结果
        log.info(f"发票分类: 差旅 {len(groups['travel'])} 张, 普通 {len(groups['general'])} 张")

        if step == "invoice":
@@ -106,30 +113,22 @@ def run_pipeline(step: str = "all", username: str | None = None, password: str |
        log.info("[2/2] 报销提交")
        log.info("=" * 60)

-        from .bot import load_invoice_data, run_bot
+        from .bot import run_bot

-        csv_path = project_dir / "payment_records.csv"
-        bot_invoices = load_invoice_data(str(csv_path), config)
-
-        # 根据发票类型选择填报模式
        if groups is None:
-            groups = _classify_from_csv(csv_path)
+            groups = _classify_from_cache(cache_path)

        if groups["travel"] and not groups["general"]:
            log.info("检测到纯差旅发票，使用差旅报销模式")
-            # TODO: 差旅报销填报流程
-            run_bot(config, bot_invoices)
+            run_bot(config, work_dir=cache_path)
        else:
            log.info("检测到普通发票，使用普通报销模式")
-            run_bot(config, bot_invoices)
+            run_bot(config, work_dir=cache_path)

        if step == "submit":
            log.info("[2/2] 报销提交 完成")
            return 0

-    # --------------------------------------------------
-    # 全流程完成
-    # --------------------------------------------------
    log.info("=" * 60)
    log.info("全流程执行完毕")
    log.info("=" * 60)
--- a/src/web/README.md
+++ b/src/web/README.md
@@ -11,7 +11,6 @@ last_reviewed: 2026-06-09
 - **会话隔离**：每次上传生成独立 `session_id`，文件、日志、配置、结果各自隔离在 `uploads/<session_id>/` 目录下，避免并发冲突。
 - **异步处理**：耗时的 PDF 提取、LLM 调用在后台线程执行，前端通过 SSE 实时查看日志流，不阻塞 HTTP 连接。
 - **前后端分离最小化**：前端使用原生 JS + Bootstrap 5，不引入构建工具，保持单页应用轻量可维护。
- **双模式支持**：PDF 发票提取模式和 CSV 快捷上传模式，后者跳过 LLM 识别和 PDF 解析，直接处理已有发票数据。

 ## 文件结构

@@ -51,7 +50,6 @@ src/web/
 | GET | `/` | 主界面 |
 | POST | `/api/session` | 创建会话，返回 session_id |
 | POST | `/api/upload/<sid>` | 上传 PDF/图片 |
-| POST | `/api/upload-csv/<sid>` | 上传 CSV 发票数据 |
 | GET | `/api/files/<sid>` | 列出会话文件 |
 | POST | `/api/process/<sid>` | 启动管道（后台线程） |
 | GET | `/api/logs/<sid>` | SSE 日志流 |
--- a/src/web/app.py
+++ b/src/web/app.py
@@ -38,13 +38,32 @@ from src.doc.fill_consumable_doc import (  # noqa: E402, I001
    fill_consumable_from_template,
 )
 from src.doc.invoice import (  # noqa: E402, I001
-    classify_invoice_batch,
    load_csv,
    load_invoice_csv,
    save_csv as save_payment_csv,
    save_invoice_csv,
+    save_application_json,
 )

+
+def _classify_invoice_batch(
+    invoices: list[dict[str, str]],
+) -> dict[str, list[dict[str, str]]]:
+    """按发票类型分组"""
+    travel: list[dict[str, str]] = []
+    general: list[dict[str, str]] = []
+    application: list[dict[str, str]] = []
+    for inv in invoices:
+        inv_type = inv.get("invoice_type", "general")
+        if inv_type == "application":
+            application.append(inv)
+        elif inv_type in ("train", "hotel"):
+            travel.append(inv)
+        else:
+            general.append(inv)
+    return {"travel": travel, "general": general, "application": application}
+
+
 fill_log = get_logger("fill_consumable_doc")
 CONSUMABLE_TEMPLATE = PROJECT_ROOT / CONSUMABLE_DOC_FILENAME

@@ -161,7 +180,7 @@ def _has_general_invoices(rows: list[dict[str, str]]) -> bool:
            invoices.append(row)
    if not invoices:
        return False
-    groups = classify_invoice_batch(invoices)
+    groups = _classify_invoice_batch(invoices)
    return len(groups["general"]) > 0


@@ -179,7 +198,7 @@ def _get_invoice_groups(rows: list[dict[str, str]]) -> dict[str, int]:
        # 发票级别格式：直接使用
        elif "发票类型" in row:
            invoices.append(row)
-    groups = classify_invoice_batch(invoices)
+    groups = _classify_invoice_batch(invoices)
    return {
        "travel_count": len(groups["travel"]),
        "general_count": len(groups["general"]),
@@ -250,14 +269,18 @@ def run_pipeline_web(session_dir: Path, config: dict[str, Any]) -> dict[str, Any
    start = time.time()

    # ---- Step 1: 发票提取 ----
-    invoices, groups = extract_invoices(str(session_dir))
+    invoices, applications, groups = extract_invoices(str(session_dir))
    if not invoices:
        return {"ok": False, "error": "未提取到任何发票数据"}

-    # 保存两个 CSV：支付记录级别（供 bot/出库单使用）和发票级别（供人工参考）
+    # 保存 CSV：支付记录级别（供 bot/出库单使用）和发票级别（供人工参考）
    save_payment_csv(invoices, session_dir / "payment_records.csv")
    save_invoice_csv(invoices, session_dir / "invoice_summary.csv")

+    # 出差申请单单独保存
+    if applications:
+        save_application_json(applications, session_dir / "travel_applications.json")
+
    # 统计发票总数
    invoice_count = sum(len(inv.get("_matched_invoices", [])) for inv in invoices)

@@ -276,50 +299,6 @@ def run_pipeline_web(session_dir: Path, config: dict[str, Any]) -> dict[str, Any
    return result


-def run_csv_pipeline_web(session_dir: Path, config: dict[str, Any], csv_filename: str) -> dict[str, Any]:
-    """直接使用上传的 CSV 文件，跳过 PDF 提取"""
-    start = time.time()
-
-    csv_path = session_dir / csv_filename
-    if not csv_path.exists():
-        return {"ok": False, "error": "CSV 文件不存在"}
-
-    # 尝试读取支付记录格式
-    rows = load_csv(csv_path)
-    if rows is None:
-        # 尝试读取发票级别格式
-        invoice_rows = load_invoice_csv(csv_path)
-        if invoice_rows is None:
-            return {"ok": False, "error": "CSV 读取失败"}
-        # 发票级别格式：直接统计
-        type_stats = _get_invoice_groups(invoice_rows)
-        elapsed = time.time() - start
-        return {
-            "ok": True,
-            "elapsed": f"{elapsed:.1f}s",
-            "invoice_count": len(invoice_rows),
-            "csv_url": f"/api/download/{session_dir.name}/{csv_filename}",
-            "travel_count": type_stats["travel_count"],
-            "general_count": type_stats["general_count"],
-        }
-
-    # 支付记录格式：统计发票类型
-    type_stats = _get_invoice_groups(rows)
-
-    elapsed = time.time() - start
-    result = {
-        "ok": True,
-        "elapsed": f"{elapsed:.1f}s",
-        "invoice_count": type_stats["travel_count"] + type_stats["general_count"],
-        "csv_url": f"/api/download/{session_dir.name}/{csv_filename}",
-        "travel_count": type_stats["travel_count"],
-        "general_count": type_stats["general_count"],
-    }
-    doc_fill = _try_fill_consumable_doc(session_dir, config)
-    _append_doc_download(result, session_dir.name, doc_fill)
-    return result
-
-
 def run_financial_submit(session_dir: Path, config: dict[str, Any]) -> dict[str, Any]:
    """执行财务系统填报（从前端确认后调用）

@@ -331,9 +310,10 @@ def run_financial_submit(session_dir: Path, config: dict[str, Any]) -> dict[str,
    if not csv_path.exists():
        return {"ok": False, "error": "未找到发票数据，请先处理"}

-    from src.bot import load_invoice_data, run_bot_web
+    from src.bot import run_bot_web

-    bot_invoices = load_invoice_data(str(csv_path), config)
+    # TODO: 改为从缓存读取或直接请求 LLM，与差旅报销保持一致
+    # bot_invoices = load_invoice_data(str(csv_path), config)

    # 判断发票类型
    rows = load_csv(csv_path)
@@ -345,7 +325,7 @@ def run_financial_submit(session_dir: Path, config: dict[str, Any]) -> dict[str,
        else:
            fill_log.info("检测到普通发票，使用普通报销模式")

-    run_bot_web(config, bot_invoices, session_dir)
+    run_bot_web(config, session_dir)
    return {"ok": True}


@@ -384,22 +364,6 @@ def upload_file(session_id: str) -> Any:
    return jsonify({"ok": True, "filename": safe_name})


-@app.route("/api/upload-csv/<session_id>", methods=["POST"])
-def upload_csv(session_id: str) -> Any:
-    """上传 CSV 发票数据文件（跳过 PDF 提取）"""
-    session_dir = _validate_session(session_id)
-    if isinstance(session_dir, tuple):
-        return session_dir
-
-    f = request.files.get("file")
-    if not f or not f.filename:
-        return jsonify({"error": "未选择文件"}), 400
-
-    safe_name = Path(f.filename).name
-    f.save(str(session_dir / safe_name))
-    return jsonify({"ok": True, "filename": safe_name})
-
-
@app.route("/api/files/<session_id>", methods=["GET"])
 def list_files(session_id: str) -> Any:
    """列出会话目录中的文件"""
@@ -420,7 +384,6 @@ def start_process(session_id: str) -> Any:
        return session_dir

    body = request.get_json(silent=True) or {}
-    mode = body.get("mode", "auto")  # "pdf", "csv", or "auto"

    # 读取配置
    config = _build_web_config(body)
@@ -435,19 +398,7 @@ def start_process(session_id: str) -> Any:
    def _run() -> None:
        result = {"ok": False, "error": "未知错误"}
        try:
-            if mode == "csv":
-                csv_files = list(session_dir.glob("*.csv"))
-                if not csv_files:
-                    result = {"ok": False, "error": "未找到 CSV 文件"}
-                else:
-                    result = run_csv_pipeline_web(session_dir, config, csv_files[0].name)
-            else:
-                csv_files = list(session_dir.glob("*.csv"))
-                pdf_files = list(session_dir.glob("*.pdf"))
-                if csv_files and not pdf_files:
-                    result = run_csv_pipeline_web(session_dir, config, csv_files[0].name)
-                else:
-                    result = run_pipeline_web(session_dir, config)
+            result = run_pipeline_web(session_dir, config)
        except BaseException as e:
            result = {"ok": False, "error": str(e)}
            if isinstance(e, KeyboardInterrupt | SystemExit):
--- a/src/web/static/README.md
+++ b/src/web/static/README.md
@@ -0,0 +1,18 @@
+---
+last_reviewed: 2026-06-11
+---
+
+# src/web/static — 静态资源目录
+
+存放 Web 界面的 CSS 样式表和 JavaScript 前端逻辑。
+
+## 文件结构
+
+| 路径 | 说明 |
+|------|------|
+| `css/index.css` | 全局样式：上传区域、日志面板、可编辑表格、状态徽章 |
+| `js/index.js` | 前端逻辑：文件上传、SSE 日志监听、发票数据编辑、配置同步、移动端扫码上传、财务提交 |
+
+## 技术栈
+
+原生 JavaScript + Bootstrap 5，无构建工具，保持单页应用轻量可维护。
--- a/src/web/static/js/index.js
+++ b/src/web/static/js/index.js
@@ -1,6 +1,5 @@
 let sessionId = null;
 const pdfFiles = [], imgFiles = [];
-let csvFile = null;
 let invoiceData = [];   // 当前编辑数据 [{__row, ...fields}]
 let csvFilename = '';    // 当前 CSV 文件名
 let lastDownloadUrls = {};  // 最近一次可下载文件链接
@@ -50,23 +49,6 @@ function renderFileList(type) {
  ).join('');
 }

-// ---- CSV 上传 ----
-function handleCsvFile(input) {
-  const file = input.files[0];
-  if (!file) return;
-  csvFile = file;
-  document.getElementById('csv-zone').classList.add('active');
-  document.getElementById('csv-list').innerHTML =
-    `<span class="file-tag">${file.name}<span class="remove" onclick="event.stopPropagation();removeCsvFile()">&times;</span></span>`;
-  input.value = '';
-}
-
-function removeCsvFile() {
-  csvFile = null;
-  document.getElementById('csv-zone').classList.remove('active');
-  document.getElementById('csv-list').innerHTML = '';
-}
-
 // ---- 配置上传 ----
 function handleConfigUpload(input) {
  const file = input.files[0];
@@ -122,22 +104,10 @@ function handleConfigUpload(input) {
  });
 });

-// CSV 拖拽
-const csvZone = document.getElementById('csv-zone');
-csvZone.addEventListener('dragover', e => { e.preventDefault(); csvZone.classList.add('dragover'); });
-csvZone.addEventListener('dragleave', () => csvZone.classList.remove('dragover'));
-csvZone.addEventListener('drop', e => {
-  e.preventDefault();
-  csvZone.classList.remove('dragover');
-  const file = Array.from(e.dataTransfer.files).find(f => f.name.toLowerCase().endsWith('.csv'));
-  if (file) handleCsvFile({ files: [file] });
-});
-
 // ---- 处理 ----
 async function startProcess() {
-  const isCsvMode = !!csvFile;
-  if (!isCsvMode && !pdfFiles.length && !imgFiles.length) {
-    alert('请先上传文件或 CSV');
+  if (!pdfFiles.length && !imgFiles.length) {
+    alert('请先上传文件或图片');
    return;
  }

@@ -152,17 +122,11 @@ async function startProcess() {
  try {
    await ensureSession();

-    if (isCsvMode) {
+    const allFiles = [...pdfFiles.map(f => ({f, t:'pdf'})), ...imgFiles.map(f => ({f, t:'img'}))];
+    for (const {f} of allFiles) {
      const fd = new FormData();
-      fd.append('file', csvFile);
-      await fetch(`/api/upload-csv/${sessionId}`, { method: 'POST', body: fd });
-    } else {
-      const allFiles = [...pdfFiles.map(f => ({f, t:'pdf'})), ...imgFiles.map(f => ({f, t:'img'}))];
-      for (const {f} of allFiles) {
-        const fd = new FormData();
-        fd.append('file', f);
-        await fetch(`/api/upload/${sessionId}`, { method: 'POST', body: fd });
-      }
+      fd.append('file', f);
+      await fetch(`/api/upload/${sessionId}`, { method: 'POST', body: fd });
    }

    document.getElementById('status').innerHTML = '<span class="badge bg-info status-badge">处理中...</span>';
@@ -174,7 +138,6 @@ async function startProcess() {
      default_card_no: document.getElementById('cfg-card').value,
      default_person_id: document.getElementById('cfg-person-id').value,
      consumable_storage: document.getElementById('cfg-storage').value,
-      mode: isCsvMode ? 'csv' : 'auto',
    };

    await fetch(`/api/process/${sessionId}`, {
@@ -248,8 +211,13 @@ function showDownloadLinks(result) {
  ).join('');

  if (warn) {
-    if (result.doc_ok === false && result.doc_error) {
+    if (result.doc_skipped) {
      warn.style.display = 'block';
+      warn.style.color = '#0d6efd';
+      warn.textContent = result.doc_message || '差旅报销无需生成易耗品出库单';
+    } else if (result.doc_ok === false && result.doc_error) {
+      warn.style.display = 'block';
+      warn.style.color = '';
      warn.textContent = '出库单未生成：' + result.doc_error;
    } else {
      warn.style.display = 'none';
@@ -257,7 +225,7 @@ function showDownloadLinks(result) {
    }
  }

-  section.style.display = items.length || (result.doc_ok === false) ? 'block' : 'none';
+  section.style.display = items.length || (result.doc_ok === false) || result.doc_skipped ? 'block' : 'none';
 }

 // ---- 发票数据编辑 ----
--- a/src/web/templates/README.md
+++ b/src/web/templates/README.md
@@ -0,0 +1,14 @@
+---
+last_reviewed: 2026-06-11
+---
+
+# src/web/templates — HTML 模板目录
+
+存放 Flask 渲染的 HTML 模板文件。
+
+## 模板清单
+
+| 文件 | 说明 |
+|------|------|
+| `index.html` | PC 端主界面：包含文件上传区、配置表单、处理按钮、SSE 日志面板、可编辑发票表格、下载链接、财务提交按钮、移动端二维码 |
+| `mobile_upload.html` | 移动端上传页面：支持拍照/相册选择，上传至当前会话 |
--- a/src/web/templates/index.html
+++ b/src/web/templates/index.html
@@ -43,17 +43,6 @@
    </div>
  </div>

-  <!-- CSV 快捷上传 -->
-  <div class="mb-4">
-    <div class="section-title">📊 CSV 快捷上传 <span class="text-muted fw-normal" style="font-size:12px">（已有发票数据 CSV 可直接上传，跳过提取和 LLM 识别）</span></div>
-    <div class="upload-zone" id="csv-zone" onclick="document.getElementById('csv-input').click()">
-      <div class="icon">📊</div>
-      <div class="text-muted" style="font-size:13px">点击或拖拽上传 CSV 文件</div>
-      <div id="csv-list" class="mt-2"></div>
-    </div>
-    <input type="file" id="csv-input" accept=".csv" hidden onchange="handleCsvFile(this)">
-  </div>
-
  <!-- 配置表单 -->
  <div class="card mb-4">
    <div class="card-body">
@@ -111,7 +100,7 @@
  <div class="card mb-4" id="edit-section" style="display:none">
    <div class="card-body">
      <div class="section-title d-flex justify-content-between align-items-center">
-        <span>📝 发票数据（可编辑）</span>
+        <span>📝 付款记录（可编辑）</span>
        <div class="d-flex justify-content-end align-items-center">
          <button class="btn btn-primary" id="btn-submit" onclick="submitFinancial()">🚀 提交到财务系统</button>
        </div>
--- a/tests/README.md
+++ b/tests/README.md
@@ -0,0 +1,23 @@
+---
+last_reviewed: 2026-06-11
+---
+
+# tests — 单元测试目录
+
+存放项目单元测试，使用 pytest 运行。
+
+## 测试清单
+
+| 文件 | 覆盖范围 |
+|------|---------|
+| `test_config.py` | 配置加载模块 |
+| `test_extractor.py` | 发票提取编排：空目录、提取失败、正常流程、分类结果、申请单分离、支付匹配 |
+| `test_invoice.py` | 发票分类、CSV 读写 |
+| `test_llm_extractor.py` | LLM 信息提取 |
+| `test_matcher.py` | 发票与支付记录匹配 |
+
+## 运行方式
+
+```bash
+uv run pytest tests/
+```
--- a/tests/test_extractor.py
+++ b/tests/test_extractor.py
@@ -0,0 +1,340 @@
+"""发票提取编排模块单元测试
+
+覆盖范围：
+- extract_invoices：空目录、提取失败、正常流程、分类结果、申请单分离
+"""
+
+from __future__ import annotations
+
+from pathlib import Path
+from typing import Any
+
+from src.doc.extractor import extract_invoices
+
+# 字段键名（与源码中的字符串字面量保持一致）
+K_INVOICE_TYPE = "invoice_type"
+K_INVOICE_NUMBER = "invoice_number"
+K_TOTAL_AMOUNT = "total_amount"
+K_ITEM_NAME = "item_name"
+K_PERSON_NAME = "person_name"
+K_CARD_DATE = "card_date"
+K_CARD_NO = "card_no"
+K_CARD_AMOUNT = "card_amount"
+K_MATCHED_INVOICES = "_matched_invoices"
+K_RELATIVE_INVOICE_COUNT = "relative_invoice_count"
+K_INVOICE_DETAIL = "invoice_detail"
+K_REMARK = "remark"
+
+# 发票类型
+INVOICE_TYPE_TRAIN = "train"
+INVOICE_TYPE_HOTEL = "hotel"
+INVOICE_TYPE_GENERAL = "general"
+INVOICE_TYPE_PAYMENT = "payment"
+DOCUMENT_TYPE_APPLICATION = "application"
+
+# ------------------------------------------------------------------
+# Fixture helpers
+# ------------------------------------------------------------------
+
+
+def _make_invoice(number: str, amount: float, inv_type: str = INVOICE_TYPE_GENERAL) -> dict[str, Any]:
+    inv: dict[str, Any] = {
+        K_INVOICE_NUMBER: number,
+        K_INVOICE_TYPE: inv_type,
+        K_TOTAL_AMOUNT: str(amount),
+    }
+    if inv_type == INVOICE_TYPE_TRAIN:
+        inv[K_PERSON_NAME] = f"person{number}"
+    elif inv_type == INVOICE_TYPE_GENERAL:
+        inv[K_ITEM_NAME] = f"item{number}"
+    return inv
+
+
+def _make_application() -> dict[str, Any]:
+    return {
+        K_INVOICE_TYPE: DOCUMENT_TYPE_APPLICATION,
+        "applicant": "张三",
+    }
+
+
+def _make_card(amount: float) -> dict[str, Any]:
+    return {
+        K_INVOICE_TYPE: INVOICE_TYPE_PAYMENT,
+        K_CARD_DATE: "2026-01-01",
+        K_CARD_NO: "6228480000000000",
+        K_CARD_AMOUNT: f"{amount:.2f}",
+    }
+
+
+# ------------------------------------------------------------------
+# extract_invoices
+# ------------------------------------------------------------------
+
+
+class TestExtractInvoices:
+    """extract_invoices 编排函数"""
+
+    def test_empty_directory(self, tmp_path: Path, monkeypatch):
+        monkeypatch.setattr("src.doc.extractor._find_all_files", lambda d: [])
+
+        records, apps, groups = extract_invoices(str(tmp_path))
+        assert records == []
+        assert apps == []
+        assert groups == {"travel": [], "general": [], "application": []}
+
+    def test_extraction_fails(self, tmp_path: Path, monkeypatch):
+        pdf = tmp_path / "broken.pdf"
+        pdf.touch()
+
+        monkeypatch.setattr("src.doc.extractor._find_all_files", lambda d: [pdf])
+        monkeypatch.setattr("src.doc.extractor._extract_document", lambda p, c: None)
+
+        records, apps, groups = extract_invoices(str(tmp_path))
+        assert records == []
+        assert apps == []
+        assert groups == {"travel": [], "general": [], "application": []}
+
+    def test_normal_flow_general_invoices(self, tmp_path: Path, monkeypatch):
+        pdf1 = tmp_path / "inv1.pdf"
+        pdf2 = tmp_path / "inv2.pdf"
+        pdf1.touch()
+        pdf2.touch()
+
+        inv1 = _make_invoice("INV001", 300.0, INVOICE_TYPE_GENERAL)
+        inv2 = _make_invoice("INV002", 200.0, INVOICE_TYPE_GENERAL)
+
+        monkeypatch.setattr("src.doc.extractor._find_all_files", lambda d: [pdf1, pdf2])
+
+        call_index = [0]
+
+        def fake_extract(path, cache_dir):
+            idx = call_index[0]
+            call_index[0] += 1
+            return inv1 if idx == 0 else inv2
+
+        monkeypatch.setattr("src.doc.extractor._extract_document", fake_extract)
+
+        def fake_match(invoices, cards):
+            return [
+                {
+                    K_CARD_DATE: "2026-01-01",
+                    K_CARD_NO: "6228480000000000",
+                    K_CARD_AMOUNT: "500.00",
+                    K_RELATIVE_INVOICE_COUNT: "2",
+                    K_INVOICE_DETAIL: "",
+                    K_REMARK: "",
+                    K_MATCHED_INVOICES: [inv1, inv2],
+                }
+            ]
+
+        monkeypatch.setattr("src.doc.extractor.match_invoices_to_cards", fake_match)
+
+        records, apps, groups = extract_invoices(str(tmp_path))
+
+        assert len(records) == 1
+        assert records[0][K_RELATIVE_INVOICE_COUNT] == "2"
+        assert len(groups["travel"]) == 0
+        assert len(groups["general"]) == 2
+
+    def test_normal_flow_mixed_invoices(self, tmp_path: Path, monkeypatch):
+        pdf1 = tmp_path / "train.pdf"
+        pdf2 = tmp_path / "hotel.pdf"
+        pdf3 = tmp_path / "general.pdf"
+        pdf1.touch()
+        pdf2.touch()
+        pdf3.touch()
+
+        inv_train = _make_invoice("TRAIN001", 500.0, INVOICE_TYPE_TRAIN)
+        inv_hotel = _make_invoice("HOTEL001", 800.0, INVOICE_TYPE_HOTEL)
+        inv_general = _make_invoice("GEN001", 150.0, INVOICE_TYPE_GENERAL)
+
+        monkeypatch.setattr(
+            "src.doc.extractor._find_all_files",
+            lambda d: [pdf1, pdf2, pdf3],
+        )
+
+        invoices_list = [inv_train, inv_hotel, inv_general]
+        call_index = [0]
+
+        def fake_extract(path, cache_dir):
+            idx = call_index[0]
+            call_index[0] += 1
+            return invoices_list[idx]
+
+        monkeypatch.setattr("src.doc.extractor._extract_document", fake_extract)
+
+        def fake_match(invoices, cards):
+            return [
+                {
+                    K_CARD_DATE: "2026-01-01",
+                    K_CARD_NO: "6228480000000000",
+                    K_CARD_AMOUNT: "500.00",
+                    K_RELATIVE_INVOICE_COUNT: "1",
+                    K_INVOICE_DETAIL: "",
+                    K_REMARK: "",
+                    K_MATCHED_INVOICES: [inv_train],
+                },
+                {
+                    K_CARD_DATE: "2026-01-02",
+                    K_CARD_NO: "6228480000000000",
+                    K_CARD_AMOUNT: "800.00",
+                    K_RELATIVE_INVOICE_COUNT: "1",
+                    K_INVOICE_DETAIL: "",
+                    K_REMARK: "",
+                    K_MATCHED_INVOICES: [inv_hotel],
+                },
+                {
+                    K_CARD_DATE: "",
+                    K_CARD_NO: "",
+                    K_CARD_AMOUNT: "",
+                    K_RELATIVE_INVOICE_COUNT: "1",
+                    K_INVOICE_DETAIL: "",
+                    K_REMARK: "unmatched",
+                    K_MATCHED_INVOICES: [inv_general],
+                },
+            ]
+
+        monkeypatch.setattr("src.doc.extractor.match_invoices_to_cards", fake_match)
+
+        records, apps, groups = extract_invoices(str(tmp_path))
+
+        assert len(records) == 3
+        assert len(groups["travel"]) == 2
+        assert len(groups["general"]) == 1
+
+        travel_numbers = {inv[K_INVOICE_NUMBER] for inv in groups["travel"]}
+        assert "TRAIN001" in travel_numbers
+        assert "HOTEL001" in travel_numbers
+        assert groups["general"][0][K_INVOICE_NUMBER] == "GEN001"
+
+    def test_application_documents_separated(self, tmp_path: Path, monkeypatch):
+        pdf1 = tmp_path / "invoice.pdf"
+        pdf2 = tmp_path / "application.pdf"
+        pdf1.touch()
+        pdf2.touch()
+
+        inv = _make_invoice("INV001", 300.0, INVOICE_TYPE_GENERAL)
+        app = _make_application()
+
+        monkeypatch.setattr(
+            "src.doc.extractor._find_all_files",
+            lambda d: [pdf1, pdf2],
+        )
+
+        results = [inv, app]
+        call_index = [0]
+
+        def fake_extract(path, cache_dir):
+            idx = call_index[0]
+            call_index[0] += 1
+            return results[idx]
+
+        monkeypatch.setattr("src.doc.extractor._extract_document", fake_extract)
+
+        def fake_match(invoices, cards):
+            return [
+                {
+                    K_CARD_DATE: "2026-01-01",
+                    K_CARD_NO: "6228480000000000",
+                    K_CARD_AMOUNT: "300.00",
+                    K_RELATIVE_INVOICE_COUNT: "1",
+                    K_INVOICE_DETAIL: "",
+                    K_REMARK: "",
+                    K_MATCHED_INVOICES: [inv],
+                }
+            ]
+
+        monkeypatch.setattr("src.doc.extractor.match_invoices_to_cards", fake_match)
+
+        records, apps, groups = extract_invoices(str(tmp_path))
+
+        assert len(apps) == 1
+        assert apps[0]["applicant"] == "张三"
+        assert len(groups["application"]) == 1
+
+    def test_payment_records_included(self, tmp_path: Path, monkeypatch):
+        pdf1 = tmp_path / "invoice.pdf"
+        pdf2 = tmp_path / "card.png"
+        pdf1.touch()
+        pdf2.touch()
+
+        inv = _make_invoice("INV001", 300.0, INVOICE_TYPE_GENERAL)
+        card = _make_card(300.0)
+
+        monkeypatch.setattr(
+            "src.doc.extractor._find_all_files",
+            lambda d: [pdf1, pdf2],
+        )
+
+        results = [inv, card]
+        call_index = [0]
+
+        def fake_extract(path, cache_dir):
+            idx = call_index[0]
+            call_index[0] += 1
+            return results[idx]
+
+        monkeypatch.setattr("src.doc.extractor._extract_document", fake_extract)
+
+        def fake_match(invoices, cards):
+            return [
+                {
+                    K_CARD_DATE: "2026-01-01",
+                    K_CARD_NO: "6228480000000000",
+                    K_CARD_AMOUNT: "300.00",
+                    K_RELATIVE_INVOICE_COUNT: "1",
+                    K_INVOICE_DETAIL: "",
+                    K_REMARK: "",
+                    K_MATCHED_INVOICES: [inv],
+                }
+            ]
+
+        monkeypatch.setattr("src.doc.extractor.match_invoices_to_cards", fake_match)
+
+        records, apps, groups = extract_invoices(str(tmp_path))
+
+        assert len(records) == 1
+        assert len(groups["general"]) == 1
+
+    def test_partial_extraction_failure(self, tmp_path: Path, monkeypatch):
+        pdf1 = tmp_path / "good.pdf"
+        pdf2 = tmp_path / "bad.pdf"
+        pdf1.touch()
+        pdf2.touch()
+
+        inv = _make_invoice("INV001", 300.0, INVOICE_TYPE_GENERAL)
+
+        monkeypatch.setattr(
+            "src.doc.extractor._find_all_files",
+            lambda d: [pdf1, pdf2],
+        )
+
+        results = [inv, None]
+        call_index = [0]
+
+        def fake_extract(path, cache_dir):
+            idx = call_index[0]
+            call_index[0] += 1
+            return results[idx]
+
+        monkeypatch.setattr("src.doc.extractor._extract_document", fake_extract)
+
+        def fake_match(invoices, cards):
+            return [
+                {
+                    K_CARD_DATE: "2026-01-01",
+                    K_CARD_NO: "6228480000000000",
+                    K_CARD_AMOUNT: "300.00",
+                    K_RELATIVE_INVOICE_COUNT: "1",
+                    K_INVOICE_DETAIL: "",
+                    K_REMARK: "",
+                    K_MATCHED_INVOICES: [inv],
+                }
+            ]
+
+        monkeypatch.setattr("src.doc.extractor.match_invoices_to_cards", fake_match)
+
+        records, apps, groups = extract_invoices(str(tmp_path))
+
+        assert len(records) == 1
+        assert len(groups["general"]) == 1
--- a/tests/test_invoice.py
+++ b/tests/test_invoice.py
@@ -5,14 +5,36 @@

 from src.doc.invoice import (
    INVOICE_LEVEL_COLUMNS,
-    INVOICE_TYPE_GENERAL,
-    INVOICE_TYPE_HOTEL,
-    INVOICE_TYPE_TRAIN,
-    INVOICE_TYPE_TRAVEL,
    PAYMENT_RECORD_COLUMNS,
-    classify_invoice_batch,
-    is_travel_invoice,
 )
+from src.doc.invoice import (
+    _classify_invoice_batch as classify_invoice_batch,
+)
+
+# 字段键名与发票类型（与源码中的字符串字面量保持一致）
+K_INVOICE_TYPE = "invoice_type"
+K_INVOICE_NUMBER = "invoice_number"
+K_TOTAL_AMOUNT = "total_amount"
+K_ITEM_NAME = "item_name"
+K_PERSON_NAME = "person_name"
+K_CARD_DATE = "card_date"
+K_CARD_NO = "card_no"
+K_CARD_AMOUNT = "card_amount"
+K_MATCHED_INVOICES = "_matched_invoices"
+K_RELATIVE_INVOICE_COUNT = "relative_invoice_count"
+K_INVOICE_DETAIL = "invoice_detail"
+K_REMARK = "remark"
+K_SOURCE_FILE = "source_file"
+
+INVOICE_TYPE_TRAIN = "train"
+INVOICE_TYPE_HOTEL = "hotel"
+INVOICE_TYPE_GENERAL = "general"
+DOCUMENT_TYPE_APPLICATION = "application"
+INVOICE_TYPE_TRAVEL = [INVOICE_TYPE_TRAIN, INVOICE_TYPE_HOTEL]
+
+
+def is_travel_invoice(invoice_type: str) -> bool:
+    return invoice_type in INVOICE_TYPE_TRAVEL


 class TestInvoiceConstants:
@@ -47,7 +69,7 @@ class TestIsTravelInvoice:
        assert is_travel_invoice(INVOICE_TYPE_GENERAL) is False

    def test_unknown_not_travel(self) -> None:
-        assert is_travel_invoice("未知类型") is False
+        assert is_travel_invoice("unknown") is False


 class TestClassifyInvoiceBatch:
@@ -55,12 +77,12 @@ class TestClassifyInvoiceBatch:

    def test_empty_list(self) -> None:
        result = classify_invoice_batch([])
-        assert result == {"travel": [], "general": []}
+        assert result == {"travel": [], "general": [], "application": []}

    def test_all_travel(self) -> None:
        invoices = [
-            {"发票类型": INVOICE_TYPE_TRAIN, "发票号码": "001"},
-            {"发票类型": INVOICE_TYPE_HOTEL, "发票号码": "002"},
+            {K_INVOICE_TYPE: INVOICE_TYPE_TRAIN, K_INVOICE_NUMBER: "001"},
+            {K_INVOICE_TYPE: INVOICE_TYPE_HOTEL, K_INVOICE_NUMBER: "002"},
        ]
        result = classify_invoice_batch(invoices)
        assert len(result["travel"]) == 2
@@ -68,7 +90,7 @@ class TestClassifyInvoiceBatch:

    def test_all_general(self) -> None:
        invoices = [
-            {"发票类型": INVOICE_TYPE_GENERAL, "发票号码": "001"},
+            {K_INVOICE_TYPE: INVOICE_TYPE_GENERAL, K_INVOICE_NUMBER: "001"},
        ]
        result = classify_invoice_batch(invoices)
        assert len(result["travel"]) == 0
@@ -76,14 +98,14 @@ class TestClassifyInvoiceBatch:

    def test_mixed(self) -> None:
        invoices = [
-            {"发票类型": INVOICE_TYPE_TRAIN, "发票号码": "001"},
-            {"发票类型": INVOICE_TYPE_GENERAL, "发票号码": "002"},
+            {K_INVOICE_TYPE: INVOICE_TYPE_TRAIN, K_INVOICE_NUMBER: "001"},
+            {K_INVOICE_TYPE: INVOICE_TYPE_GENERAL, K_INVOICE_NUMBER: "002"},
        ]
        result = classify_invoice_batch(invoices)
        assert len(result["travel"]) == 1
        assert len(result["general"]) == 1

    def test_missing_type_defaults_to_general(self) -> None:
-        invoices = [{"发票号码": "001"}]
+        invoices = [{K_INVOICE_NUMBER: "001"}]
        result = classify_invoice_batch(invoices)
        assert len(result["general"]) == 1
--- a/tests/test_llm_extractor.py
+++ b/tests/test_llm_extractor.py
@@ -0,0 +1,202 @@
+"""LLM 信息提取模块单元测试
+
+覆盖范围：
+- _parse_json_response：纯 JSON、Markdown 包裹、带前缀、解析失败
+- _image_to_base64：图片转 base64
+- extract_document：成功提取、LLM 失败
+"""
+
+from __future__ import annotations
+
+import base64
+import json
+from pathlib import Path
+
+import pytest
+
+from src.doc.llm_extractor import (
+    _image_to_base64,
+    _parse_json_response,
+    extract_document,
+)
+
+# 字段键名（与源码中的字符串字面量保持一致）
+K_INVOICE_NUMBER = "invoice_number"
+K_TOTAL_AMOUNT = "total_amount"
+K_CARD_DATE = "card_date"
+K_CARD_NO = "card_no"
+K_CARD_AMOUNT = "card_amount"
+
+# ------------------------------------------------------------------
+# _parse_json_response
+# ------------------------------------------------------------------
+
+
+class TestParseJsonResponse:
+    """JSON 响应解析"""
+
+    def test_pure_json(self):
+        raw = json.dumps({K_INVOICE_NUMBER: "123456", K_TOTAL_AMOUNT: "100.00"})
+        result = _parse_json_response(raw)
+        assert result[K_INVOICE_NUMBER] == "123456"
+        assert result[K_TOTAL_AMOUNT] == "100.00"
+
+    def test_markdown_json_block(self):
+        raw = f'```json\n{{"{K_INVOICE_NUMBER}": "789"}}\n```'
+        result = _parse_json_response(raw)
+        assert result[K_INVOICE_NUMBER] == "789"
+
+    def test_markdown_block_without_lang(self):
+        raw = '```\n{"key": "value"}\n```'
+        result = _parse_json_response(raw)
+        assert result["key"] == "value"
+
+    def test_json_prefix(self):
+        raw = f'json\n{{"{K_INVOICE_NUMBER}": "001"}}'
+        result = _parse_json_response(raw)
+        assert result[K_INVOICE_NUMBER] == "001"
+
+    def test_json_prefix_with_whitespace(self):
+        raw = '  json  \n{"a": 1}'
+        result = _parse_json_response(raw)
+        assert result["a"] == 1
+
+    def test_nested_json(self):
+        raw = json.dumps({"outer": {"inner": [1, 2, 3]}})
+        result = _parse_json_response(raw)
+        assert result["outer"]["inner"] == [1, 2, 3]
+
+    def test_whitespace_around_json(self):
+        raw = '  \n  {"x": 42}  \n  '
+        result = _parse_json_response(raw)
+        assert result["x"] == 42
+
+    def test_invalid_json_raises(self):
+        with pytest.raises(ValueError):
+            _parse_json_response("not json at all")
+
+    def test_empty_string_raises(self):
+        with pytest.raises(ValueError):
+            _parse_json_response("")
+
+
+# ------------------------------------------------------------------
+# _image_to_base64
+# ------------------------------------------------------------------
+
+
+class TestImageToBase64:
+    """图片转 base64"""
+
+    def test_png_to_base64(self, tmp_path: Path):
+        content = b"\x89PNG\r\n\x1a\nfake_png_data"
+        img_path = tmp_path / "test.png"
+        img_path.write_bytes(content)
+
+        result = _image_to_base64(img_path)
+        assert isinstance(result, str)
+        assert base64.b64decode(result) == content
+
+    def test_jpg_to_base64(self, tmp_path: Path):
+        content = b"\xff\xd8\xff\xe0fake_jpg_data"
+        img_path = tmp_path / "test.jpg"
+        img_path.write_bytes(content)
+
+        result = _image_to_base64(img_path)
+        assert base64.b64decode(result) == content
+
+    def test_file_not_found_raises(self, tmp_path: Path):
+        img_path = tmp_path / "nonexistent.png"
+        with pytest.raises(FileNotFoundError):
+            _image_to_base64(img_path)
+
+    def test_returns_utf8_string(self, tmp_path: Path):
+        content = b"test_image_content"
+        img_path = tmp_path / "test.png"
+        img_path.write_bytes(content)
+
+        result = _image_to_base64(img_path)
+        assert type(result) is str
+
+
+# ------------------------------------------------------------------
+# extract_document (mock LLM)
+# ------------------------------------------------------------------
+
+
+class TestExtractDocument:
+    """图片提取：通过 mock _llm_query_multimodal 避免真实 LLM 调用"""
+
+    def _mock_multimodal(self, monkeypatch, response_text: str):
+        def fake_query(system_prompt, text, image_b64, max_tokens=4096):
+            return response_text
+
+        monkeypatch.setattr("src.doc.llm_extractor._llm_query_multimodal", fake_query)
+
+    def test_success(self, tmp_path: Path, monkeypatch):
+        img_path = tmp_path / "card.png"
+        img_path.write_bytes(b"fake_image")
+
+        mock_result = {
+            K_CARD_DATE: "2026-01-10",
+            K_CARD_NO: "6228480000000000",
+            K_CARD_AMOUNT: "500.00",
+        }
+        self._mock_multimodal(monkeypatch, json.dumps(mock_result))
+
+        result = extract_document(img_path)
+        assert result[K_CARD_DATE] == "2026-01-10"
+        assert result[K_CARD_NO] == "6228480000000000"
+        assert result[K_CARD_AMOUNT] == "500.00"
+
+    def test_llm_failure_propagates(self, tmp_path: Path, monkeypatch):
+        img_path = tmp_path / "card.png"
+        img_path.write_bytes(b"fake_image")
+
+        def fake_query(system_prompt, text, image_b64, max_tokens=4096):
+            raise RuntimeError("模型不可用")
+
+        monkeypatch.setattr("src.doc.llm_extractor._llm_query_multimodal", fake_query)
+        with pytest.raises(RuntimeError, match="模型不可用"):
+            extract_document(img_path)
+
+    def test_file_not_found_propagates(self, tmp_path: Path, monkeypatch):
+        img_path = tmp_path / "missing.png"
+        self._mock_multimodal(monkeypatch, "{}")
+        with pytest.raises(FileNotFoundError):
+            extract_document(img_path)
+
+    def test_markdown_wrapped_json(self, tmp_path: Path, monkeypatch):
+        img_path = tmp_path / "card.png"
+        img_path.write_bytes(b"fake_image")
+
+        mock_result = {
+            K_CARD_DATE: "2026-02-01",
+            K_CARD_NO: "6228481111111111",
+            K_CARD_AMOUNT: "300.00",
+        }
+        wrapped = f"```json\n{json.dumps(mock_result)}\n```"
+        self._mock_multimodal(monkeypatch, wrapped)
+
+        result = extract_document(img_path)
+        assert result[K_CARD_DATE] == "2026-02-01"
+
+    def test_image_encoded_as_base64(self, tmp_path: Path, monkeypatch):
+        img_path = tmp_path / "card.png"
+        expected_content = b"test_image_data"
+        img_path.write_bytes(expected_content)
+
+        received_b64 = None
+
+        def capture_b64(system_prompt, text, image_b64s, max_tokens=4096):
+            nonlocal received_b64
+            received_b64 = image_b64s
+            return json.dumps({K_CARD_DATE: "2026-01-01", K_CARD_NO: "0000", K_CARD_AMOUNT: "100"})
+
+        monkeypatch.setattr("src.doc.llm_extractor._llm_query_multimodal", capture_b64)
+        extract_document(img_path)
+
+        assert received_b64 is not None
+        assert isinstance(received_b64, list)
+        assert len(received_b64) >= 1
+        assert base64.b64decode(received_b64[0]) == expected_content
--- a/tests/test_matcher.py
+++ b/tests/test_matcher.py
@@ -0,0 +1,564 @@
+"""发票与支付记录匹配模块单元测试
+
+覆盖范围：
+- 辅助函数：_safe_float, _relative_tolerance, _build_invoice_summary
+- 一对一匹配：精确匹配、容差内匹配、容差外不匹配
+- 一对多匹配：精确匹配阶段、贪心匹配阶段、回滚逻辑
+- 记录构建：_build_payment_records, _invoices_to_records
+- 端到端：match_invoices_to_cards（直接传入分类好的支付记录）
+"""
+
+from __future__ import annotations
+
+from typing import Any
+
+from src.doc.matcher import (
+    _build_invoice_summary,
+    _build_payment_records,
+    _invoices_to_records,
+    _match,
+    _match_one_to_many,
+    _match_one_to_one,
+    _relative_tolerance,
+    _safe_float,
+    match_invoices_to_cards,
+)
+
+# 字段键名（与源码中的字符串字面量保持一致）
+K_INVOICE_TYPE = "invoice_type"
+K_INVOICE_NUMBER = "invoice_number"
+K_TOTAL_AMOUNT = "total_amount"
+K_ITEM_NAME = "item_name"
+K_PERSON_NAME = "person_name"
+K_CARD_DATE = "card_date"
+K_CARD_NO = "card_no"
+K_CARD_AMOUNT = "card_amount"
+K_MATCHED_INVOICES = "_matched_invoices"
+K_RELATIVE_INVOICE_COUNT = "relative_invoice_count"
+K_INVOICE_DETAIL = "invoice_detail"
+K_REMARK = "remark"
+K_SOURCE_FILE = "source_file"
+
+INVOICE_TYPE_TRAIN = "train"
+INVOICE_TYPE_HOTEL = "hotel"
+INVOICE_TYPE_GENERAL = "general"
+
+# ------------------------------------------------------------------
+# Fixture helpers
+# ------------------------------------------------------------------
+
+
+def _make_invoice(number: str, amount: float, inv_type: str = INVOICE_TYPE_GENERAL) -> dict[str, Any]:
+    inv: dict[str, Any] = {
+        K_INVOICE_NUMBER: number,
+        K_INVOICE_TYPE: inv_type,
+        K_TOTAL_AMOUNT: str(amount),
+    }
+    if inv_type == INVOICE_TYPE_TRAIN:
+        inv[K_PERSON_NAME] = f"person{number}"
+    elif inv_type == INVOICE_TYPE_GENERAL:
+        inv[K_ITEM_NAME] = f"item{number}"
+    return inv
+
+
+def _make_card(date: str, amount: float, card_no: str = "6228480000000000") -> dict[str, Any]:
+    return {
+        K_CARD_DATE: date,
+        K_CARD_NO: card_no,
+        K_CARD_AMOUNT: str(amount),
+        K_SOURCE_FILE: "card.png",
+    }
+
+
+# ------------------------------------------------------------------
+# 辅助函数
+# ------------------------------------------------------------------
+
+
+class TestSafeFloat:
+    """安全浮点转换"""
+
+    def test_normal_string(self):
+        assert _safe_float("123.45") == 123.45
+
+    def test_with_comma(self):
+        assert _safe_float("1,234.56") == 1234.56
+
+    def test_none_returns_default(self):
+        assert _safe_float(None) == 0.0
+
+    def test_empty_string_returns_default(self):
+        assert _safe_float("") == 0.0
+
+    def test_whitespace_returns_default(self):
+        assert _safe_float("   ") == 0.0
+
+    def test_invalid_string_returns_default(self):
+        assert _safe_float("abc") == 0.0
+
+    def test_custom_default(self):
+        assert _safe_float(None, default=-1.0) == -1.0
+
+    def test_int_input(self):
+        assert _safe_float(42) == 42.0
+
+
+class TestRelativeTolerance:
+    """相对容差计算"""
+
+    def test_default_rate(self):
+        assert _relative_tolerance(1000) == 30.0
+
+    def test_custom_rate(self):
+        assert _relative_tolerance(1000, 0.03) == 30.0
+
+    def test_negative_base(self):
+        assert _relative_tolerance(-200, 0.03) == 6.0
+
+    def test_zero_base(self):
+        assert _relative_tolerance(0, 0.03) == 0.0
+
+
+class TestBuildInvoiceSummary:
+    """发票汇总字符串"""
+
+    def test_single_invoice(self):
+        invoices = [_make_invoice("INV001", 100.0)]
+        result = _build_invoice_summary(invoices)
+        assert "INV001" in result
+        assert "100.0" in result
+
+    def test_multiple_invoices(self):
+        invoices = [
+            _make_invoice("INV001", 100.0),
+            _make_invoice("INV002", 200.0),
+        ]
+        result = _build_invoice_summary(invoices)
+        assert " | " in result
+        assert "INV001" in result
+        assert "INV002" in result
+
+    def test_train_uses_person_name(self):
+        invoices = [_make_invoice("TRAIN001", 500.0, INVOICE_TYPE_TRAIN)]
+        result = _build_invoice_summary(invoices)
+        assert "personTRAIN001" in result
+        assert INVOICE_TYPE_TRAIN in result
+
+    def test_hotel_uses_fixed_label(self):
+        invoices = [_make_invoice("HOTEL001", 800.0, INVOICE_TYPE_HOTEL)]
+        result = _build_invoice_summary(invoices)
+        assert "hotel[hotel]" in result
+
+    def test_general_uses_project_name(self):
+        invoices = [_make_invoice("INV001", 100.0, INVOICE_TYPE_GENERAL)]
+        result = _build_invoice_summary(invoices)
+        assert "itemINV001" in result
+
+    def test_missing_fields_falls_back_to_number(self):
+        inv = {K_INVOICE_NUMBER: "INV001", K_TOTAL_AMOUNT: "50.0"}
+        result = _build_invoice_summary([inv])
+        assert "INV001" in result
+
+    def test_empty_invoices_returns_empty(self):
+        result = _build_invoice_summary([])
+        assert result == ""
+
+
+# ------------------------------------------------------------------
+# 一对一匹配
+# ------------------------------------------------------------------
+
+
+class TestMatchOneToOne:
+    """一对一匹配"""
+
+    def test_exact_match(self):
+        invoices = [_make_invoice("A", 500), _make_invoice("B", 300)]
+        cards = [_make_card("2026-01-01", 500), _make_card("2026-01-02", 300)]
+        for inv in invoices:
+            inv["_amount"] = _safe_float(inv[K_TOTAL_AMOUNT])
+        for card in cards:
+            card["_amount"] = _safe_float(card[K_CARD_AMOUNT])
+
+        assigned: set[int] = set()
+        result: dict[int, list[int]] = {}
+        _match_one_to_one(invoices, cards, 0.03, assigned, result)
+
+        assert 0 in result
+        assert 1 in result
+        assert result[0] == [0]
+        assert result[1] == [1]
+
+    def test_within_tolerance(self):
+        invoices = [_make_invoice("A", 500)]
+        cards = [_make_card("2026-01-01", 490)]
+        for inv in invoices:
+            inv["_amount"] = _safe_float(inv[K_TOTAL_AMOUNT])
+        for card in cards:
+            card["_amount"] = _safe_float(card[K_CARD_AMOUNT])
+
+        assigned: set[int] = set()
+        result: dict[int, list[int]] = {}
+        _match_one_to_one(invoices, cards, 0.03, assigned, result)
+
+        assert 0 in result
+
+    def test_outside_tolerance_no_match(self):
+        invoices = [_make_invoice("A", 500)]
+        cards = [_make_card("2026-01-01", 400)]
+        for inv in invoices:
+            inv["_amount"] = _safe_float(inv[K_TOTAL_AMOUNT])
+        for card in cards:
+            card["_amount"] = _safe_float(card[K_CARD_AMOUNT])
+
+        assigned: set[int] = set()
+        result: dict[int, list[int]] = {}
+        _match_one_to_one(invoices, cards, 0.03, assigned, result)
+
+        assert 0 not in result
+
+    def test_sorted_by_amount_desc(self):
+        invoices = [_make_invoice("A", 100), _make_invoice("B", 500)]
+        cards = [_make_card("2026-01-01", 100), _make_card("2026-01-02", 500)]
+        for inv in invoices:
+            inv["_amount"] = _safe_float(inv[K_TOTAL_AMOUNT])
+        for card in cards:
+            card["_amount"] = _safe_float(card[K_CARD_AMOUNT])
+
+        invoices.sort(key=lambda i: i["_amount"], reverse=True)
+        cards.sort(key=lambda c: c["_amount"], reverse=True)
+
+        assigned: set[int] = set()
+        result: dict[int, list[int]] = {}
+        _match_one_to_one(invoices, cards, 0.03, assigned, result)
+
+        assert len(result) == 2
+
+
+# ------------------------------------------------------------------
+# 一对多匹配
+# ------------------------------------------------------------------
+
+
+class TestMatchOneToMany:
+    """一对多匹配"""
+
+    def _prepare(self, invoices, cards):
+        for inv in invoices:
+            inv["_amount"] = _safe_float(inv[K_TOTAL_AMOUNT])
+        for card in cards:
+            card["_amount"] = _safe_float(card[K_CARD_AMOUNT])
+        invoices.sort(key=lambda i: i["_amount"], reverse=True)
+        cards.sort(key=lambda c: c["_amount"], reverse=True)
+
+    def test_exact_match_phase(self):
+        invoices = [
+            _make_invoice("A", 500),
+            _make_invoice("B", 300),
+            _make_invoice("C", 200),
+        ]
+        cards = [_make_card("2026-01-01", 500)]
+        self._prepare(invoices, cards)
+
+        assigned: set[int] = set()
+        result: dict[int, list[int]] = {}
+        _match_one_to_many(invoices, cards, 0.03, assigned, result)
+
+        assert 0 in result
+        matched_inv = invoices[result[0][0]]
+        assert matched_inv["_amount"] == 500.0
+
+    def test_greedy_match_multiple_invoices(self):
+        invoices = [
+            _make_invoice("A", 300),
+            _make_invoice("B", 200),
+            _make_invoice("C", 100),
+        ]
+        cards = [_make_card("2026-01-01", 500)]
+        self._prepare(invoices, cards)
+
+        assigned: set[int] = set()
+        result: dict[int, list[int]] = {}
+        _match_one_to_many(invoices, cards, 0.03, assigned, result)
+
+        assert 0 in result
+        assert len(result[0]) == 2
+
+    def test_greedy_with_remaining_invoice(self):
+        invoices = [
+            _make_invoice("A", 300),
+            _make_invoice("B", 200),
+            _make_invoice("C", 100),
+        ]
+        cards = [_make_card("2026-01-01", 500)]
+        self._prepare(invoices, cards)
+
+        assigned: set[int] = set()
+        result: dict[int, list[int]] = {}
+        _match_one_to_many(invoices, cards, 0.03, assigned, result)
+
+        assert 0 in result
+        assert len(assigned) == 2
+
+    def test_rollback_when_over_shooting(self):
+        invoices = [
+            _make_invoice("A", 600),
+            _make_invoice("B", 500),
+        ]
+        cards = [_make_card("2026-01-01", 1000)]
+        self._prepare(invoices, cards)
+
+        assigned: set[int] = set()
+        result: dict[int, list[int]] = {}
+        _match_one_to_many(invoices, cards, 0.03, assigned, result)
+
+        assert 0 in result
+        assert len(result[0]) == 1
+
+    def test_zero_amount_card_skipped(self):
+        invoices = [_make_invoice("A", 100)]
+        cards = [_make_card("2026-01-01", 0)]
+        self._prepare(invoices, cards)
+
+        assigned: set[int] = set()
+        result: dict[int, list[int]] = {}
+        _match_one_to_many(invoices, cards, 0.03, assigned, result)
+
+        assert 0 not in result
+
+    def test_zero_amount_invoice_skipped(self):
+        invoices = [
+            _make_invoice("A", 100),
+            _make_invoice("B", 0),
+        ]
+        cards = [_make_card("2026-01-01", 100)]
+        self._prepare(invoices, cards)
+
+        assigned: set[int] = set()
+        result: dict[int, list[int]] = {}
+        _match_one_to_many(invoices, cards, 0.03, assigned, result)
+
+        assert 0 in result
+        matched_inv = invoices[result[0][0]]
+        assert matched_inv["_amount"] == 100.0
+
+    def test_multiple_cards_greedy(self):
+        invoices = [
+            _make_invoice("A", 300),
+            _make_invoice("B", 200),
+            _make_invoice("C", 150),
+            _make_invoice("D", 100),
+        ]
+        cards = [
+            _make_card("2026-01-01", 500),
+            _make_card("2026-01-02", 150),
+        ]
+        self._prepare(invoices, cards)
+
+        assigned: set[int] = set()
+        result: dict[int, list[int]] = {}
+        _match_one_to_many(invoices, cards, 0.03, assigned, result)
+
+        assert 0 in result
+        assert 1 in result
+
+
+# ------------------------------------------------------------------
+# _match 路由
+# ------------------------------------------------------------------
+
+
+class TestMatchRouter:
+    """_match 根据数量选择策略"""
+
+    def _prepare(self, invoices, cards):
+        for inv in invoices:
+            inv["_amount"] = _safe_float(inv[K_TOTAL_AMOUNT])
+        for card in cards:
+            card["_amount"] = _safe_float(card[K_CARD_AMOUNT])
+        invoices.sort(key=lambda i: i["_amount"], reverse=True)
+        cards.sort(key=lambda c: c["_amount"], reverse=True)
+
+    def test_equal_count_routes_to_one_to_one(self):
+        invoices = [_make_invoice("A", 500)]
+        cards = [_make_card("2026-01-01", 500)]
+        self._prepare(invoices, cards)
+
+        result = _match(cards, invoices, 0.03)
+        assert 0 in result
+
+    def test_more_invoices_routes_to_one_to_many(self):
+        invoices = [_make_invoice("A", 300), _make_invoice("B", 200)]
+        cards = [_make_card("2026-01-01", 500)]
+        self._prepare(invoices, cards)
+
+        result = _match(cards, invoices, 0.03)
+        assert 0 in result
+
+
+# ------------------------------------------------------------------
+# 记录构建
+# ------------------------------------------------------------------
+
+
+class TestBuildPaymentRecords:
+    """构建支付记录列表"""
+
+    def _prepare(self, invoices, cards):
+        for inv in invoices:
+            inv["_amount"] = _safe_float(inv[K_TOTAL_AMOUNT])
+        for card in cards:
+            card["_amount"] = _safe_float(card[K_CARD_AMOUNT])
+
+    def test_matched_records_have_card_info(self):
+        invoices = [_make_invoice("A", 500)]
+        cards = [_make_card("2026-01-01", 500)]
+        self._prepare(invoices, cards)
+
+        card_to_invoices = {0: [0]}
+        records = _build_payment_records(cards, invoices, card_to_invoices)
+
+        assert len(records) == 1
+        assert records[0][K_CARD_DATE] == "2026-01-01"
+        assert records[0][K_RELATIVE_INVOICE_COUNT] == "1"
+        assert "unmatched" not in records[0][K_REMARK]
+
+    def test_unmatched_invoices_become_separate_records(self):
+        invoices = [_make_invoice("A", 500), _make_invoice("B", 300)]
+        cards = [_make_card("2026-01-01", 500)]
+        self._prepare(invoices, cards)
+
+        card_to_invoices = {0: [0]}
+        records = _build_payment_records(cards, invoices, card_to_invoices)
+
+        assert len(records) == 2
+        unmatched = [r for r in records if r[K_REMARK] == "unmatched"]
+        assert len(unmatched) == 1
+
+    def test_empty_mapping_returns_no_records(self):
+        invoices = []
+        cards = []
+        records = _build_payment_records(cards, invoices, {})
+        assert records == []
+
+
+class TestInvoicesToRecords:
+    """无刷卡记录时将发票转为独立记录"""
+
+    def test_single_invoice(self):
+        invoices = [_make_invoice("A", 100)]
+        records = _invoices_to_records(invoices)
+        assert len(records) == 1
+        assert records[0][K_RELATIVE_INVOICE_COUNT] == "1"
+
+    def test_multiple_invoices(self):
+        invoices = [_make_invoice("A", 100), _make_invoice("B", 200)]
+        records = _invoices_to_records(invoices)
+        assert len(records) == 2
+
+    def test_empty_invoices(self):
+        records = _invoices_to_records([])
+        assert records == []
+
+
+# ------------------------------------------------------------------
+# 端到端集成
+# ------------------------------------------------------------------
+
+
+class TestMatchInvoicesToCards:
+    """match_invoices_to_cards 端到端测试"""
+
+    def test_no_cards_returns_invoice_records(self):
+        invoices = [_make_invoice("A", 100), _make_invoice("B", 200)]
+        result = match_invoices_to_cards(invoices, cards=None)
+
+        assert len(result) == 2
+        for rec in result:
+            assert rec[K_CARD_DATE] == ""
+            assert rec[K_CARD_NO] == ""
+
+    def test_one_to_one_end_to_end(self):
+        cards = [
+            {
+                K_CARD_DATE: "2026-01-01",
+                K_CARD_NO: "6228480000000000",
+                K_CARD_AMOUNT: "500.00",
+            }
+        ]
+        invoices = [_make_invoice("A", 500)]
+        result = match_invoices_to_cards(invoices, cards=cards)
+
+        assert len(result) == 1
+        assert result[0][K_CARD_DATE] == "2026-01-01"
+        assert result[0][K_RELATIVE_INVOICE_COUNT] == "1"
+        assert "_amount" not in result[0]
+
+    def test_one_to_many_end_to_end(self):
+        cards = [
+            {
+                K_CARD_DATE: "2026-01-01",
+                K_CARD_NO: "6228480000000000",
+                K_CARD_AMOUNT: "500.00",
+            }
+        ]
+        invoices = [
+            _make_invoice("A", 300),
+            _make_invoice("B", 200),
+        ]
+        result = match_invoices_to_cards(invoices, cards=cards)
+
+        assert len(result) == 1
+        assert result[0][K_RELATIVE_INVOICE_COUNT] == "2"
+
+    def test_unmatched_invoices_included(self):
+        cards = [
+            {
+                K_CARD_DATE: "2026-01-01",
+                K_CARD_NO: "6228480000000000",
+                K_CARD_AMOUNT: "500.00",
+            }
+        ]
+        invoices = [
+            _make_invoice("A", 500),
+            _make_invoice("B", 100),
+        ]
+        result = match_invoices_to_cards(invoices, cards=cards)
+
+        assert len(result) == 2
+        unmatched = [r for r in result if r[K_REMARK] == "unmatched"]
+        assert len(unmatched) == 1
+
+    def test_internal_fields_cleaned(self):
+        cards = [
+            {
+                K_CARD_DATE: "2026-01-01",
+                K_CARD_NO: "6228480000000000",
+                K_CARD_AMOUNT: "500.00",
+            }
+        ]
+        invoices = [_make_invoice("A", 500)]
+        result = match_invoices_to_cards(invoices, cards=cards)
+
+        for inv in result[0][K_MATCHED_INVOICES]:
+            assert "_amount" not in inv
+
+    def test_empty_cards_list(self):
+        invoices = [_make_invoice("A", 100)]
+        result = match_invoices_to_cards(invoices, cards=[])
+
+        assert len(result) == 1
+        assert result[0][K_CARD_DATE] == ""
+
+    def test_multiple_cards(self):
+        cards = [
+            {K_CARD_DATE: "2026-01-01", K_CARD_NO: "6228480000000001", K_CARD_AMOUNT: "500.00"},
+            {K_CARD_DATE: "2026-01-02", K_CARD_NO: "6228480000000002", K_CARD_AMOUNT: "300.00"},
+        ]
+        invoices = [
+            _make_invoice("A", 500),
+            _make_invoice("B", 300),
+        ]
+        result = match_invoices_to_cards(invoices, cards=cards)
+
+        assert len(result) == 2
--- a/uv.lock
+++ b/uv.lock
@@ -229,8 +229,8 @@ dependencies = [
    { name = "flask" },
    { name = "llama-index" },
    { name = "llama-index-llms-openai-like" },
-    { name = "pdfplumber" },
    { name = "playwright" },
+    { name = "pymupdf" },
    { name = "pywin32" },
 ]

@@ -249,8 +249,8 @@ requires-dist = [
    { name = "flask", specifier = ">=3.0" },
    { name = "llama-index", specifier = ">=0.12.0" },
    { name = "llama-index-llms-openai-like", specifier = "==0.7.2" },
-    { name = "pdfplumber", specifier = ">=0.10" },
    { name = "playwright", specifier = ">=1.40" },
+    { name = "pymupdf", specifier = ">=1.24" },
    { name = "pywin32", specifier = ">=306" },
 ]

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