feat: add Azure OpenAI provider support

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

@@ -366,6 +366,21 @@ async function testApiKeyConnection(connection, effectiveProxy = null) {
 
   try {
     switch (connection.provider) {
+      case "azure": {
+        const psd = connection.providerSpecificData || {};
+        const endpoint = (psd.azureEndpoint || "").replace(/\/$/, "");
+        const deployment = psd.deployment || "gpt-4";
+        const apiVersion = psd.apiVersion || "2024-10-01-preview";
+        const url = `${endpoint}/openai/deployments/${deployment}/chat/completions?api-version=${apiVersion}`;
+        const headers = { "api-key": connection.apiKey, "Content-Type": "application/json" };
+        if (psd.organization) headers["OpenAI-Organization"] = psd.organization;
+        const res = await fetchWithConnectionProxy(url, {
+          method: "POST", headers,
+          body: JSON.stringify({ messages: [{ role: "user", content: "test" }], max_completion_tokens: 1 }),
+        }, effectiveProxy);
+        const valid = res.status !== 401 && res.status !== 403;
+        return { valid, error: valid ? null : "Invalid API key or Azure configuration" };
+      }
       case "openai": {
         const res = await fetchWithConnectionProxy("https://api.openai.com/v1/models", { headers: { Authorization: `Bearer ${connection.apiKey}` } }, effectiveProxy);
         return { valid: res.ok, error: res.ok ? null : "Invalid API key" };