fix(provider): 接入 Windsurf 模型拉取和格式转换

crates/aether-provider-transport/src/conversion.rs

@@ -20,6 +20,11 @@ use crate::vertex::{
     local_vertex_gemini_transport_unsupported_reason_with_network,
     resolve_local_vertex_api_key_query_auth, VERTEX_API_KEY_QUERY_PARAM,
 };
+use crate::windsurf::{
+    is_windsurf_provider_transport,
+    local_windsurf_request_transport_unsupported_reason_with_network,
+    resolve_windsurf_cascade_auth,
+};
 use crate::GatewayProviderTransportSnapshot;
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
@@ -122,6 +127,11 @@ pub fn request_conversion_transport_unsupported_reason(
     if is_kiro_claude_messages_transport(transport, &transport.endpoint.api_format) {
         return local_kiro_request_transport_unsupported_reason_with_network(transport);
     }
+    if is_windsurf_provider_transport(transport)
+        && normalize_api_format_alias(&transport.endpoint.api_format) == "openai:chat"
+    {
+        return local_windsurf_request_transport_unsupported_reason_with_network(transport);
+    }
 
     match normalize_api_format_alias(&transport.endpoint.api_format).as_str() {
         "openai:chat" => local_openai_chat_transport_unsupported_reason(transport),
@@ -202,6 +212,9 @@ fn request_direct_auth_for_provider_format(
     provider_api_format: &str,
 ) -> Option<(String, String)> {
     match normalize_api_format_alias(provider_api_format).as_str() {
+        "openai:chat" if is_windsurf_provider_transport(transport) => {
+            resolve_windsurf_cascade_auth(transport)
+        }
         "openai:chat"
         | "openai:responses"
         | "openai:responses:compact"
@@ -623,6 +636,35 @@ mod tests {
         ));
     }
 
+    #[test]
+    fn windsurf_openai_chat_anchor_supports_cross_format_conversion_via_cascade() {
+        let mut transport = transport_snapshot("windsurf", "openai:chat", "oauth", true, None);
+        transport.key.decrypted_api_key = "devin-session-token$abc".to_string();
+        transport.key.decrypted_auth_config = Some(r#"{"provider_type":"windsurf"}"#.to_string());
+
+        assert!(request_pair_allowed_for_transport(
+            &transport,
+            "claude:messages",
+            "openai:chat"
+        ));
+        assert!(request_pair_allowed_for_transport(
+            &transport,
+            "openai:responses",
+            "openai:chat"
+        ));
+        assert!(request_conversion_transport_supported(
+            &transport,
+            RequestConversionKind::ToOpenAIChat
+        ));
+        assert_eq!(
+            request_conversion_direct_auth(&transport, RequestConversionKind::ToOpenAIChat),
+            Some((
+                "authorization".to_string(),
+                "Bearer devin-session-token$abc".to_string()
+            ))
+        );
+    }
+
     #[test]
     fn candidate_common_transport_policy_checks_active_state_format_and_allowed_models() {
         let mut transport = transport_snapshot("custom", "openai:chat", "bearer", true, None);