[goose-llm] fix image content bug, add optional request_id field (#3439)

crates/goose-llm/examples/image.rs

@@ -0,0 +1,53 @@
+use anyhow::Result;
+use base64::{engine::general_purpose::STANDARD as BASE64, Engine as _};
+use goose_llm::{
+    completion,
+    message::MessageContent,
+    types::completion::{CompletionRequest, CompletionResponse},
+    Message, ModelConfig,
+};
+use serde_json::json;
+use std::{fs, vec};
+
+#[tokio::main]
+async fn main() -> Result<()> {
+    let provider = "databricks";
+    let provider_config = json!({
+        "host": std::env::var("DATABRICKS_HOST").expect("Missing DATABRICKS_HOST"),
+        "token": std::env::var("DATABRICKS_TOKEN").expect("Missing DATABRICKS_TOKEN"),
+    });
+    let model_name = "goose-claude-4-sonnet"; // "gpt-4o";
+    let model_config = ModelConfig::new(model_name.to_string());
+
+    let system_preamble = "You are a helpful assistant.";
+
+    // Read and encode test image
+    let image_data = fs::read("examples/test_assets/test_image.png")?;
+    let base64_image = BASE64.encode(image_data);
+
+    let user_msg = Message::user()
+        .with_text("What do you see in this image?")
+        .with_content(MessageContent::image(base64_image, "image/png"));
+
+    let messages = vec![user_msg];
+
+    let completion_response: CompletionResponse = completion(
+        CompletionRequest::new(
+            provider.to_string(),
+            provider_config.clone(),
+            model_config.clone(),
+            Some(system_preamble.to_string()),
+            None,
+            messages,
+            vec![],
+        )
+        .with_request_id("test-image-1".to_string()),
+    )
+    .await?;
+
+    // Print the response
+    println!("\nCompletion Response:");
+    println!("{}", serde_json::to_string_pretty(&completion_response)?);
+
+    Ok(())
+}

crates/goose-llm/examples/simple.rs

@@ -116,7 +116,7 @@ async fn main() -> Result<()> {
         println!("\nCompletion Response:");
         println!("{}", serde_json::to_string_pretty(&completion_response)?);
 
-        let tooltip = generate_tooltip(provider, provider_config.clone(), &messages).await?;
+        let tooltip = generate_tooltip(provider, provider_config.clone(), &messages, None).await?;
         println!("\nTooltip: {}", tooltip);
     }