feat: add OpenAI compatible channel (close #2091)

web/default/src/locales/en/translation.json

@@ -104,8 +104,10 @@
       "model_mapping_placeholder": "Optional, used to modify model names in request body. A JSON string where keys are request model names and values are target model names",
       "system_prompt": "System Prompt",
       "system_prompt_placeholder": "Optional, used to force set system prompt. Use with custom model & model mapping. First create a unique custom model name above, then map it to a natively supported model",
-      "base_url": "Proxy",
-      "base_url_placeholder": "Optional, used for API calls through proxy. Enter proxy address in format: https://domain.com",
+      "proxy_url": "Proxy",
+      "proxy_url_placeholder": "This is optional and used for API calls via a proxy. Please enter the proxy URL, formatted as: https://domain.com",
+      "base_url": "Base URL",
+      "base_url_placeholder": "The Base URL required by the OpenAPI SDK",
       "key": "Key",
       "key_placeholder": "Please enter key",
       "batch": "Batch Create",

web/default/src/locales/zh/translation.json

@@ -104,8 +104,10 @@
       "model_mapping_placeholder": "此项可选，用于修改请求体中的模型名称，为一个 JSON 字符串，键为请求中模型名称，值为要替换的模型名称",
       "system_prompt": "系统提示词",
       "system_prompt_placeholder": "此项可选，用于强制设置给定的系统提示词，请配合自定义模型 & 模型重定向使用，首先创建一个唯一的自定义模型名称并在上面填入，之后将该自定义模型重定向映射到该渠道一个原生支持的模型",
-      "base_url": "代理",
-      "base_url_placeholder": "此项可选，用于通过代理站来进行 API 调用，请输入代理站地址，格式为：https://domain.com",
+      "proxy_url": "代理",
+      "proxy_url_placeholder": "此项可选，用于通过代理站来进行 API 调用，请输入代理站地址，格式为：https://domain.com。注意，这里所需要填入的代理地址仅会在实际请求时替换域名部分，如果你想填入 OpenAI SDK 中所要求的 Base URL，请使用 OpenAI 兼容渠道类型",
+      "base_url": "Base URL",
+      "base_url_placeholder": "OpenAPI SDK 中所要求的 Base URL",
       "key": "密钥",
       "key_placeholder": "请输入密钥",
       "batch": "批量创建",