feat(providers): add Minimax Coding (China) provider

- Add minimax-cn provider with China endpoint (api.minimaxi.com)
- Add provider icon and configuration
- Add validation and test support
- Add API configuration in open-sse

Co-authored-by: Blade096 <46746496+Blade096@users.noreply.github.com>
Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
Co-authored-by: Cursor <cursoragent@cursor.com>

open-sse/config/constants.js

@@ -120,6 +120,14 @@ export const PROVIDERS = {
       "Anthropic-Beta": "claude-code-20250219,interleaved-thinking-2025-05-14"
     }
   },
+  "minimax-cn": {
+    baseUrl: "https://api.minimaxi.com/anthropic/v1/messages",
+    format: "claude",
+    headers: {
+      "Anthropic-Version": "2023-06-01",
+      "Anthropic-Beta": "claude-code-20250219,interleaved-thinking-2025-05-14"
+    }
+  },
   github: {
     baseUrl: "https://api.githubcopilot.com/chat/completions", // GitHub Copilot API endpoint for chat
     format: "openai", // GitHub Copilot uses OpenAI-compatible format

open-sse/config/providerModels.js

@@ -189,6 +189,7 @@ export const PROVIDER_ID_TO_ALIAS = {
   glm: "glm",
   kimi: "kimi",
   minimax: "minimax",
+  "minimax-cn": "minimax",
 };
 
 export function getModelsByProviderId(providerId) {

open-sse/executors/default.js

@@ -23,6 +23,7 @@ export class DefaultExecutor extends BaseExecutor {
       case "glm":
       case "kimi":
       case "minimax":
+      case "minimax-cn":
         return `${this.config.baseUrl}?beta=true`;
       case "gemini":
         return `${this.config.baseUrl}/${model}:${stream ? "streamGenerateContent?alt=sse" : "generateContent"}`;
@@ -44,6 +45,7 @@ export class DefaultExecutor extends BaseExecutor {
       case "glm":
       case "kimi":
       case "minimax":
+      case "minimax-cn":
         headers["x-api-key"] = credentials.apiKey;
         break;
       default:

src/app/api/providers/[id]/test/route.js

@@ -406,9 +406,14 @@ async function testApiKeyConnection(connection) {
         return { valid, error: valid ? null : "Invalid API key" };
       }
 
-      case "minimax": {
+      case "minimax":
+      case "minimax-cn": {
         // MiniMax uses Claude-compatible API
-        const res = await fetch("https://api.minimax.io/anthropic/v1/messages", {
+        const minimaxEndpoints = {
+          minimax: "https://api.minimax.io/anthropic/v1/messages",
+          "minimax-cn": "https://api.minimaxi.com/anthropic/v1/messages",
+        };
+        const res = await fetch(minimaxEndpoints[connection.provider], {
           method: "POST",
           headers: {
             "x-api-key": connection.apiKey,

src/app/api/providers/validate/route.js

@@ -100,11 +100,13 @@ export async function POST(request) {
 
         case "glm":
         case "kimi":
-        case "minimax": {
+        case "minimax":
+        case "minimax-cn": {
           const claudeBaseUrls = {
             glm: "https://api.z.ai/api/anthropic/v1/messages",
             kimi: "https://api.kimi.com/coding/v1/messages",
             minimax: "https://api.minimax.io/anthropic/v1/messages",
+            "minimax-cn": "https://api.minimaxi.com/anthropic/v1/messages",
           };
           const claudeRes = await fetch(claudeBaseUrls[provider], {
             method: "POST",

src/shared/constants/config.js

@@ -35,6 +35,7 @@ export const PROVIDER_ENDPOINTS = {
   glm: "https://api.z.ai/api/anthropic/v1/messages",
   kimi: "https://api.kimi.com/coding/v1/messages",
   minimax: "https://api.minimax.io/anthropic/v1/messages",
+  "minimax-cn": "https://api.minimaxi.com/anthropic/v1/messages",
   openai: "https://api.openai.com/v1/chat/completions",
   anthropic: "https://api.anthropic.com/v1/messages",
   gemini: "https://generativelanguage.googleapis.com/v1beta/models",

src/shared/constants/providers.js

@@ -18,6 +18,7 @@ export const APIKEY_PROVIDERS = {
   glm: { id: "glm", alias: "glm", name: "GLM Coding", icon: "code", color: "#2563EB", textIcon: "GL" },
   kimi: { id: "kimi", alias: "kimi", name: "Kimi Coding", icon: "psychology", color: "#1E3A8A", textIcon: "KM" },
   minimax: { id: "minimax", alias: "minimax", name: "Minimax Coding", icon: "memory", color: "#7C3AED", textIcon: "MM" },
+  "minimax-cn": { id: "minimax-cn", alias: "minimax-cn", name: "Minimax Coding (China)", icon: "memory", color: "#DC2626", textIcon: "MC" },
   openai: { id: "openai", alias: "openai", name: "OpenAI", icon: "auto_awesome", color: "#10A37F", textIcon: "OA" },
   anthropic: { id: "anthropic", alias: "anthropic", name: "Anthropic", icon: "smart_toy", color: "#D97757", textIcon: "AN" },
   gemini: { id: "gemini", alias: "gemini", name: "Gemini", icon: "diamond", color: "#4285F4", textIcon: "GE" },