feat doc tree

[coltea]

PR 标题

文档树解析

相关 Issue

变更类型

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• Bug 修复 (不兼容变更的修复)
• 新功能 (不兼容变更的新功能)
• 功能改进 (不兼容现有功能的改进)
• 文档更新
• 依赖更新
• 重构 (不影响功能的代码修改)
• 测试用例
• CI/CD 配置变更
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变更内容

详细描述本次 PR 的具体变更内容:

1. 文档树解析

测试情况

描述本次变更的测试情况:

• 已本地测试
• 已添加测试用例
• 不需要测试 (理由: )

其他说明

任何其他需要说明的事项:

[Copilot]

Pull Request Overview

This PR refactors document tree parsing by consolidating multiple platform-specific crawling endpoints into a unified interface. The changes introduce a generalized parsing and export flow that handles various document sources (Feishu, Notion, Confluence, etc.) through common endpoints instead of dedicated routes per platform.

Key Changes:

• Consolidated 20+ platform-specific endpoints into 2 unified endpoints (/parse and /export)
• Introduced tree-structured document response format (Child type with recursive structure)
• Standardized return types across all document source APIs to use common ListDocResponse

Reviewed Changes

Copilot reviewed 18 out of 20 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
backend/usecase/crawler_feishu.go	Deleted - Feishu-specific usecase methods removed
backend/usecase/crawler.go	Major refactor - consolidated parsing logic into ParseUrl() and ExportDoc() methods
backend/pkg/anydoc/*.go	Updated return types to use shared ListDocResponse structure
backend/pkg/anydoc/res.go	Added new tree-structured response types (Child, Value, ListDocResponse)
backend/handler/v1/crawler.go	Removed 18+ platform-specific handlers, replaced with 2 unified handlers
backend/docs/swagger.yaml	Updated API documentation reflecting consolidated endpoints
backend/consts/parse.go	New file defining CrawlerSource enum and type classification
backend/api/crawler/v1/crawler.go	Updated request/response structures for unified API

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