clarified correct type for decoded /v1/models/{model_id} response, added /v1/language-models/{model_id} endpoint

src/init.luau

@@ -177,8 +177,8 @@ export type ModelsResponse = {
 }
 
 type model_id = string
-export type ModelRequest = model_id
 
+export type ModelRequest = model_id
 export type ModelResponse = model
 
 type modality = 'text' | 'image' | string
@@ -212,12 +212,15 @@ export type LanguageModelsResponse = {
     }
 }
 
+export type LanguageModelRequest = model_id
+export type LanguageModelResponse = LanguageModel
+
 type ApiResponse = {
     success: boolean
 }
 
 export type SuccessfulApiResponse = ApiResponse & {
-    response: CompletionsResponse | ModelsResponse | ModelResponse | LanguageModelsResponse
+    response: CompletionsResponse | ModelsResponse | ModelResponse | LanguageModelsResponse | LanguageModelResponse
 }
 
 export type FailedApiResponse = ApiResponse & {
@@ -277,7 +280,7 @@ function xai.create(api_key: string)
         }
         local response = net.request(config)
         if response.ok then
-            local decoded: ModelsResponse = serde.decode("json", response.body)
+            local decoded: ModelResponse = serde.decode("json", response.body)
             return { success = true, response = decoded } :: SuccessfulApiResponse
         else
             return { success = false, status = response.status, message = response.body } :: FailedApiResponse
@@ -301,6 +304,23 @@ function xai.create(api_key: string)
         end
     end
 
+    function client:language_model(model_id: LanguageModelRequest): SuccessfulApiResponse | FailedApiResponse
+        local config = {
+            url = `{baseUrl}/language-models/{model_id}`,
+            method = "GET",
+            headers = {
+                ["Content-Type"] = "application/json",
+            },
+        }
+        local response = net.request(config)
+        if response.ok then
+            local decoded: LanguageModelResponse = serde.decode("json", response.body)
+            return { success = true, response = decoded } :: SuccessfulApiResponse
+        else
+            return { success = false, status = response.status, message = response.body } :: FailedApiResponse
+        end
+    end
+
     return client
 end