added /v1/models/{model_id} endpoint

src/init.luau

@@ -1,7 +1,7 @@
 local net = require("@lune/net")
 local serde = require("@lune/serde")
 
-export type model = 'grok-4' | 'grok-code-fast-1' | 'grok-4-fast-reasoning' | 'grok-4-fast-non-reasoning' | 'grok-3-mini' | 'grok-3' | 'grok-2-vision'
+export type AvailableModels = 'grok-4' | 'grok-code-fast-1' | 'grok-4-fast-reasoning' | 'grok-4-fast-non-reasoning' | 'grok-3-mini' | 'grok-3' | 'grok-2-vision'
 
 export type message = {
     role: string,
@@ -99,7 +99,7 @@ type rsssource = {
 
 export type CompletionsRequest = {
     messages: { message },
-    model: model,
+    model: AvailableModels,
     stream: false?,
     search_parameters: {
         mode: 'auto' | 'on' | 'off',
@@ -162,16 +162,25 @@ export type CompletionsRequest = {
     }?
 }
 
-export type ModelsResponse = {
-    data : {
+type model = {
     created: number,
     id: string,
     object: "model",
     owned_by: string
+}
+
+export type ModelsResponse = {
+    data : {
+        model
     },
     object: "list"
 }
 
+type model_id = string
+export type ModelRequest = model_id
+
+export type ModelResponse = model
+
 type modality = 'text' | 'image' | string
 
 export type LanguageModel = {
@@ -208,7 +217,7 @@ type ApiResponse = {
 }
 
 export type SuccessfulApiResponse = ApiResponse & {
-    response: CompletionsResponse | ModelsResponse | LanguageModelsResponse
+    response: CompletionsResponse | ModelsResponse | ModelResponse | LanguageModelsResponse
 }
 
 export type FailedApiResponse = ApiResponse & {
@@ -258,6 +267,23 @@ function xai.create(api_key: string)
         end
     end
 
+    function client:model(model_id: ModelRequest): SuccessfulApiResponse | FailedApiResponse
+        local config = {
+            url = `{baseUrl}/models/{model_id}`,
+            method = "GET",
+            headers = {
+                ["Content-Type"] = "application/json",
+            },
+        }
+        local response = net.request(config)
+        if response.ok then
+            local decoded: ModelsResponse = serde.decode("json", response.body)
+            return { success = true, response = decoded } :: SuccessfulApiResponse
+        else
+            return { success = false, status = response.status, message = response.body } :: FailedApiResponse
+        end
+    end
+
     function client:language_models(): SuccessfulApiResponse | FailedApiResponse
         local config = {
             url = `{baseUrl}/language-models`,