feat: Web 表格编辑、易耗品出库单自动生成与文档完善

- 新增 fill_consumable_doc，根据 CSV 填写 Word 出库单（宋体五号）
- Web 处理完成后自动生成出库单并提供下载
- 前端拆分为 static 资源，支持在线编辑 CSV 与分步提交财务系统
- 补充 API.md、README（含 Mermaid 数据流）及 config.example.json

Co-authored-by: Cursor <cursoragent@cursor.com>

web/static/css/index.css

@@ -0,0 +1,24 @@
+body { background: #f5f7fa; }
+.header { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: #fff; padding: 24px 0 20px; }
+.upload-zone {
+  border: 2px dashed #ccc; border-radius: 12px; padding: 28px; text-align: center;
+  cursor: pointer; transition: all .2s; background: #fff; min-height: 100px;
+}
+.upload-zone:hover, .upload-zone.dragover { border-color: #667eea; background: #f0f2ff; }
+.upload-zone.active { border-color: #28a745; background: #f0fff4; }
+.upload-zone .icon { font-size: 32px; color: #aaa; margin-bottom: 8px; }
+.file-tag { display: inline-block; background: #e8f0fe; border-radius: 4px; padding: 2px 10px; margin: 3px; font-size: 13px; }
+.file-tag .remove { cursor: pointer; color: #c00; margin-left: 6px; font-weight: bold; }
+.log-container { background: #1e1e1e; color: #d4d4d4; border-radius: 8px; padding: 14px; height: 360px; overflow-y: auto; font-family: Consolas, monospace; font-size: 13px; line-height: 1.6; white-space: pre-wrap; word-break: break-all; }
+.log-container .empty { color: #666; font-style: italic; }
+.section-title { font-size: 15px; font-weight: 600; color: #333; margin-bottom: 12px; }
+.btn-process { font-size: 17px; padding: 10px 40px; }
+.status-badge { font-size: 13px; }
+
+/* 可编辑表格 */
+.table-editable { font-size: 13px; }
+.table-editable th { position: sticky; top: 0; background: #f8f9fa; z-index: 1; font-weight: 600; white-space: nowrap; }
+.table-editable td { vertical-align: middle; }
+.table-editable input.form-control { font-size: 13px; padding: 4px 8px; min-width: 80px; }
+.table-wrapper { max-height: 500px; overflow-y: auto; border: 1px solid #dee2e6; border-radius: 8px; }
+.edit-note { font-size: 12px; color: #888; margin-bottom: 8px; }