feat: 新增阿里云百炼 Token Plan 渠道类型

[shuaiZend]

⚠️ 提交说明 / PR Notice

Important

• 请提供人工撰写的简洁摘要，避免直接粘贴未经整理的 AI 输出。

📝 变更描述 / Description

新增阿里云百炼 Token Plan 专用渠道类型（type=59），解决使用"阿里千问"渠道类型时 /v1/responses 返回 500 的问题。

Token Plan 服务使用标准 OpenAI 兼容协议（/compatible-mode/v1/...），但现有 Ali 适配器会将 responses 请求路由到 DashScope 专有路径并注入不兼容的头部。本 PR 新建 ali_token_plan 适配器包，嵌入 ali.Adaptor 并覆写路由和头部逻辑，使 Token Plan 的 /v1/responses 端点正常工作。

🚀 变更类型 / Type of change

• ✨ 新功能 (New feature)

🔗 关联任务 / Related Issue

• Closes newapi缺乏阿里云token plan渠道导致responses不可用, 返回500错误 #5763

✅ 提交前检查项 / Checklist

• 人工确认: 我已亲自整理并撰写此描述，没有直接粘贴未经处理的 AI 输出。
• 非重复提交: 我已搜索现有的 Issues 与 PRs，确认不是重复提交。
• 变更理解: 我已理解这些更改的工作原理及可能影响。
• 范围聚焦: 本 PR 未包含任何与当前任务无关的代码改动。
• 本地验证: 已在本地运行并通过测试或手动验证，维护者可以据此复核结果。
• 安全合规: 代码中无敏感凭据，且符合项目代码规范。

📸 运行证明 / Proof of Work

已部署至生产环境验证，responses 和 chat/completions 均正常：

渠道配置界面：

curl 验证 responses 可用：

Summary by CodeRabbit

• New Features

  • Added support for a new channel option, “阿里云百炼 Token Plan,” across the app.
  • The new channel can now use compatible-mode requests and supports streaming.
  • The UI can display and fetch models for this channel.

• Bug Fixes

  • Requests to the new channel now use the correct authorization and routing behavior.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: e6d88058-2bac-496b-8c9b-bfff26f2544b

📥 Commits

Reviewing files that changed from the base of the PR and between 3a506f5 and e037c12.

📒 Files selected for processing (7)

• common/api_type.go
• constant/api_type.go
• constant/channel.go
• relay/channel/ali_token_plan/adaptor.go
• relay/common/relay_info.go
• relay/relay_adaptor.go
• web/classic/src/constants/channel.constants.js

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Walkthrough

Adds a new ChannelTypeAliTokenPlan (value 59) channel type with a corresponding APITypeAliTokenPlan constant. Implements a new ali_token_plan relay adaptor that embeds ali.Adaptor and routes requests to Alibaba Cloud Token Plan compatible-mode endpoints with standard Bearer auth. Registers the adaptor in the factory, enables stream support, and adds the channel to the UI.

AliTokenPlan Channel Integration

Layer / File(s)	Summary
Channel and API type constants constant/channel.go, constant/api_type.go, common/api_type.go	Adds ChannelTypeAliTokenPlan=59 with base URL and display name, adds APITypeAliTokenPlan iota constant, and maps the channel type to the API type in ChannelType2APIType.
ali_token_plan relay adaptor relay/channel/ali_token_plan/adaptor.go	Implements Adaptor embedding ali.Adaptor with overridden GetRequestURL routing to /compatible-mode/v1/... endpoints, SetupRequestHeader using Bearer auth instead of DashScope headers, and DoRequest passing the outer adaptor to channel.DoApiRequest.
Adaptor factory and stream support wiring relay/relay_adaptor.go, relay/common/relay_info.go	Adds constant.APITypeAliTokenPlan case in GetAdaptor returning &ali_token_plan.Adaptor{}, and marks ChannelTypeAliTokenPlan as supporting stream options.
UI channel registration web/classic/src/constants/channel.constants.js	Adds CHANNEL_OPTIONS entry for value 59 with orange color and Chinese display name, and includes 59 in MODEL_FETCHABLE_CHANNEL_TYPES.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• QuantumNous/new-api#2190: Extends the same relay/relay_adaptor.go GetAdaptor switch to add a new channel/API type adaptor registration.
• QuantumNous/new-api#2909: Modifies the same streamSupportedChannels map in relay/common/relay_info.go to add channel types supporting stream options.

Suggested reviewers

• seefs001
• Calcium-Ion

🐰 A new channel hops into the mix,
Token Plan with compatible-mode tricks,
Bearer auth replaces DashScope's flair,
Fifty-nine's the number, routing with care,
The rabbit cheers — the responses are there! 🎉

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	标题准确概括了新增阿里云百炼 Token Plan 渠道类型这一主要变更。
Linked Issues check	✅ Passed	新增专用 Token Plan 渠道、兼容模式适配器和请求头处理，覆盖了 #5763 要求的 responses 可用修复。
Out of Scope Changes check	✅ Passed	未见明显与 Token Plan 渠道支持无关的改动，前后端注册与适配器修改均属范围内。

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[seefs001]

原issue已回复过，不会考虑支持