Add Atlas Cloud chat example

examples/atlascloud-chat/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "atlascloud-chat"
+version = "0.1.0"
+edition = "2021"
+publish = false
+
+[dependencies]
+async-openai = { path = "../../async-openai", features = ["chat-completion"] }
+tokio = { version = "1", features = ["full"] }

examples/atlascloud-chat/src/main.rs

@@ -0,0 +1,51 @@
+use std::{env, error::Error};
+
+use async_openai::{
+    config::OpenAIConfig,
+    types::chat::{
+        ChatCompletionRequestSystemMessageArgs, ChatCompletionRequestUserMessageArgs,
+        CreateChatCompletionRequestArgs,
+    },
+    Client,
+};
+
+const ATLASCLOUD_API_BASE: &str = "https://api.atlascloud.ai/v1";
+const DEFAULT_MODEL: &str = "qwen/qwen3.5-flash";
+
+#[tokio::main]
+async fn main() -> Result<(), Box<dyn Error>> {
+    let api_key = env::var("ATLASCLOUD_API_KEY")
+        .map_err(|_| "ATLASCLOUD_API_KEY must be set to call Atlas Cloud")?;
+    let model = env::var("ATLASCLOUD_MODEL").unwrap_or_else(|_| DEFAULT_MODEL.to_string());
+
+    let client = Client::with_config(
+        OpenAIConfig::new()
+            .with_api_base(ATLASCLOUD_API_BASE)
+            .with_api_key(api_key),
+    );
+
+    let request = CreateChatCompletionRequestArgs::default()
+        .model(model)
+        .max_tokens(256_u32)
+        .messages([
+            ChatCompletionRequestSystemMessageArgs::default()
+                .content("You are a concise assistant.")
+                .build()?
+                .into(),
+            ChatCompletionRequestUserMessageArgs::default()
+                .content("Write one sentence about Rust async clients.")
+                .build()?
+                .into(),
+        ])
+        .build()?;
+
+    let response = client.chat().create(request).await?;
+
+    for choice in response.choices {
+        if let Some(content) = choice.message.content {
+            println!("{content}");
+        }
+    }
+
+    Ok(())
+}