fix(providers): Azure OpenAI model listing 404 during configure (#7034)

Signed-off-by: Adrian Cole <adrian@tetrate.io>

crates/goose/src/providers/azure.rs

@@ -82,11 +82,7 @@ impl ProviderDef for AzureProvider {
             })?;
 
             let auth_provider = AzureAuthProvider { auth };
-            let host = format!(
+            let host = format!("{}/openai", endpoint.trim_end_matches('/'));
-                "{}/openai/deployments/{}",
-                endpoint.trim_end_matches('/'),
-                deployment_name
-            );
             let api_client = ApiClient::new(host, AuthMethod::Custom(Box::new(auth_provider)))?
                 .with_query(vec![("api-version".to_string(), api_version)]);
 
@@ -94,6 +90,7 @@ impl ProviderDef for AzureProvider {
                 AZURE_PROVIDER_NAME.to_string(),
                 api_client,
                 model,
+                format!("deployments/{}/", deployment_name),
             ))
         })
     }

crates/goose/src/providers/openai_compatible.rs

@@ -25,14 +25,22 @@ pub struct OpenAiCompatibleProvider {
     /// Client targeted at the base URL (e.g. `https://api.x.ai/v1`)
     api_client: ApiClient,
     model: ModelConfig,
+    /// Path prefix prepended to `chat/completions` (e.g. `"deployments/{name}/"` for Azure).
+    completions_prefix: String,
 }
 
 impl OpenAiCompatibleProvider {
-    pub fn new(name: String, api_client: ApiClient, model: ModelConfig) -> Self {
+    pub fn new(
+        name: String,
+        api_client: ApiClient,
+        model: ModelConfig,
+        completions_prefix: String,
+    ) -> Self {
         Self {
             name,
             api_client,
             model,
+            completions_prefix,
         }
     }
 
@@ -81,11 +89,12 @@ impl Provider for OpenAiCompatibleProvider {
         let payload = self.build_request(model_config, system, messages, tools, false)?;
         let mut log = RequestLog::start(model_config, &payload)?;
 
+        let completions_path = format!("{}chat/completions", self.completions_prefix);
         let response = self
             .with_retry(|| async {
                 let resp = self
                     .api_client
-                    .response_post(session_id, "chat/completions", &payload)
+                    .response_post(session_id, &completions_path, &payload)
                     .await?;
                 handle_response_openai_compat(resp).await
             })
@@ -147,11 +156,12 @@ impl Provider for OpenAiCompatibleProvider {
         let payload = self.build_request(&self.model, system, messages, tools, true)?;
         let mut log = RequestLog::start(&self.model, &payload)?;
 
+        let completions_path = format!("{}chat/completions", self.completions_prefix);
         let response = self
             .with_retry(|| async {
                 let resp = self
                     .api_client
-                    .response_post(Some(session_id), "chat/completions", &payload)
+                    .response_post(Some(session_id), &completions_path, &payload)
                     .await?;
                 handle_status_openai_compat(resp).await
             })

crates/goose/src/providers/xai.rs

@@ -65,6 +65,7 @@ impl ProviderDef for XaiProvider {
                 XAI_PROVIDER_NAME.to_string(),
                 api_client,
                 model,
+                String::new(),
             ))
         })
     }