feat(orion-server): historical logs API & task_output refactor(#1379)

[slow2342]

描述

本次提交对 orion-server 模块进行了以下更新：

• 重新构建了 task-output 接口，修复了之前会返回历史日志的错误，现在接口仅输出实时构建日志。
• 新增了 task-history-output 接口，用于获取历史日志内容。
• 编写并完善了对应的接口文档，确保使用方可以参考 API 说明进行调用。
• 引入了tokio-stream包用于消息通道。

关联 Issue

• 测试任务 Issue: [r2cn] 重构 Orion Server 日志处理部分代码 #1379

影响范围

• 日志输出逻辑（实时与历史日志的分离）
• API 使用文档更新
• 引入tokio-stream包

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Project	Deployment	Preview	Comments	Updated (UTC)
mega	Ready	Preview	Comment	Sep 1, 2025 2:59am

[Copilot]

Pull Request Overview

This PR refactors the task output logging system to separate real-time and historical log access, addressing issue #1379. The changes improve the API design by providing dedicated endpoints for different log access patterns.

• Refactored task-output endpoint to only stream real-time build logs using SSE
• Added new task-history-output endpoint for retrieving historical logs with full or segmented access
• Updated documentation with comprehensive API usage examples and parameter descriptions

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 4 comments.

File	Description
orion-server/src/server.rs	Added route registration for the new historical logs endpoint
orion-server/src/api.rs	Implemented refactored real-time streaming and new historical log retrieval functionality
orion-server/README.md	Added comprehensive documentation for both real-time and historical log APIs
orion-server/Cargo.toml	Added tokio-stream dependency for improved async stream handling

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