fix: fixed model mapping stop working in codex

src-tauri/src/proxy/forwarder.rs

@@ -1159,9 +1159,15 @@ impl RequestForwarder {
         // 应用模型映射（独立于格式转换）
         // Claude Desktop proxy 模式必须先把 Desktop 可见的 claude-* route
         // 映射成真实上游模型名，并且未知 route 要直接报错，不能使用默认模型兜底。
+        // Codex catalogue 集成模式（Responses 原生直连）使用 catalog 模型，无需 env 映射。
         let mapped_body = if matches!(app_type, AppType::ClaudeDesktop) {
             crate::claude_desktop_config::map_proxy_request_model(body.clone(), provider)
                 .map_err(|e| ProxyError::InvalidRequest(e.to_string()))?
+        } else if matches!(app_type, AppType::Codex | AppType::GrokBuild)
+            && super::providers::codex_provider_has_catalog_model(provider)
+        {
+            // Codex catalogue provider 使用 catalog 模型，跳过 env 映射
+            body.clone()
         } else {
             let (mapped_body, _original_model, _mapped_model) =
                 super::model_mapper::apply_model_mapping(body.clone(), provider);

src-tauri/src/proxy/providers/codex.rs

@@ -327,6 +327,18 @@ pub fn apply_codex_upstream_model(provider: &Provider, body: &mut JsonValue) ->
     Some(upstream_model)
 }
 
+/// Check if the provider has a catalog with model mappings
+/// This is used to skip env-based model mapping for providers that use catalog models
+pub fn codex_provider_has_catalog_model(provider: &Provider) -> bool {
+    provider
+        .settings_config
+        .get("modelCatalog")
+        .and_then(|catalog| catalog.get("models"))
+        .and_then(|models| models.as_array())
+        .map(|models| !models.is_empty())
+        .unwrap_or(false)
+}
+
 pub fn resolve_codex_chat_reasoning_config(
     provider: &Provider,
     body: &JsonValue,

src-tauri/src/proxy/providers/mod.rs

@@ -57,8 +57,8 @@ pub use claude::{
 };
 pub use codex::CodexAdapter;
 pub use codex::{
-    apply_codex_chat_upstream_model, apply_codex_upstream_model, codex_provider_upstream_model,
-    inject_codex_chat_prompt_cache_key, is_codex_official_provider,
+    apply_codex_chat_upstream_model, apply_codex_upstream_model, codex_provider_has_catalog_model,
+    codex_provider_upstream_model, inject_codex_chat_prompt_cache_key, is_codex_official_provider,
     provider_needs_responses_namespace_flatten, resolve_codex_catalog_tool_profile,
     resolve_codex_chat_reasoning_config, should_convert_codex_responses_to_anthropic,
     should_convert_codex_responses_to_chat,