Add ModelScope API-Inference provider support to Copilot

[Copilot]

Adds ModelScope API-Inference as a second LLM provider for Copilot, allowing users to choose between SiliconFlow and ModelScope based on availability and preference.

Implementation

• New client: modelscope_client.py implementing chat completion, streaming, embeddings, and connection testing against https://api-inference.modelscope.cn/v1

• Provider abstraction: Added PROVIDER_SILICONFLOW and PROVIDER_MODELSCOPE constants to eliminate hardcoded strings. CopilotManager now initializes appropriate client based on configured provider.

• UI enhancement: Settings dialog includes provider dropdown with dynamic model lists. Provider-to-display-name mapping prevents brittle string comparisons.

• Configuration: Provider persisted as copilot.provider setting. Backward compatible—defaults to SiliconFlow if unset.

Usage

# In copilot_manager.py
from .copilot_manager import PROVIDER_MODELSCOPE

manager.set_api_key(api_key, model, provider=PROVIDER_MODELSCOPE)
manager.set_provider(PROVIDER_MODELSCOPE)

Settings UI allows runtime switching between providers without code changes.

Model Naming

ModelScope uses lowercase namespaces (qwen/Qwen2.5-7B-Instruct) vs SiliconFlow's uppercase (Qwen/Qwen2.5-7B-Instruct). Model lists update dynamically based on selected provider.

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• www.modelscope.cn
  • Triggering command: /usr/bin/curl curl -s REDACTED (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)

Original prompt

---

This section details on the original issue you should resolve

<issue_title>为copilot服务添加API-Inference大模型服务提供</issue_title>
<issue_description>为copilot服务添加API-Inference大模型服务提供
https://www.modelscope.cn/docs/model-service/API-Inference/intro</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes 为copilot服务添加API-Inference大模型服务提供 #10

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