Generic retry and error parsing (#3558)

Co-authored-by: Douwe Osinga <douwe@squareup.com>
Co-authored-by: Michael Neale <michael.neale@gmail.com>

crates/goose/src/providers/githubcopilot.rs

@@ -14,6 +14,7 @@ use std::time::Duration;
 use super::base::{Provider, ProviderMetadata, ProviderUsage, Usage};
 use super::errors::ProviderError;
 use super::formats::openai::{create_request, get_usage, response_to_message};
+use super::retry::ProviderRetry;
 use super::utils::{emit_debug_trace, get_model, handle_response_openai_compat, ImageFormat};
 
 use crate::config::{Config, ConfigError};
@@ -404,11 +405,15 @@ impl Provider for GithubCopilotProvider {
         messages: &[Message],
         tools: &[Tool],
     ) -> Result<(Message, ProviderUsage), ProviderError> {
-        let mut payload =
-            create_request(&self.model, system, messages, tools, &ImageFormat::OpenAi)?;
+        let payload = create_request(&self.model, system, messages, tools, &ImageFormat::OpenAi)?;
 
-        // Make request
-        let response = self.post(&mut payload).await?;
+        // Make request with retry
+        let response = self
+            .with_retry(|| async {
+                let mut payload_clone = payload.clone();
+                self.post(&mut payload_clone).await
+            })
+            .await?;
 
         // Parse response
         let message = response_to_message(&response)?;
@@ -422,7 +427,7 @@ impl Provider for GithubCopilotProvider {
     }
 
     /// Fetch supported models from GitHub Copliot; returns Err on failure, Ok(None) if not present
-    async fn fetch_supported_models_async(&self) -> Result<Option<Vec<String>>, ProviderError> {
+    async fn fetch_supported_models(&self) -> Result<Option<Vec<String>>, ProviderError> {
         let (endpoint, token) = self.get_api_info().await?;
         let url = format!("{}/models", endpoint);