feat: 完善模型请求适配与输出限制

apps/api/internal/clients/responses_compat_test.go

@@ -23,6 +23,10 @@ func TestOpenAIResponsesNativeUsesResponsesEndpointAndPreservesVendorIDs(t *test
 		if body["messages"] != nil {
 			t.Fatalf("native Responses request must not contain messages: %+v", body)
 		}
+		input, _ := body["input"].([]any)
+		if len(input) != 1 {
+			t.Fatalf("native Responses request must translate controlled messages to input: %+v", body)
+		}
 		if body["previous_response_id"] != "resp_upstream_parent" {
 			t.Fatalf("expected translated upstream previous id, got %+v", body["previous_response_id"])
 		}
@@ -41,7 +45,7 @@ func TestOpenAIResponsesNativeUsesResponsesEndpointAndPreservesVendorIDs(t *test
 
 	response, err := (OpenAIClient{}).Run(context.Background(), Request{
 		Kind: "responses", Model: "Demo",
-		Body:             map[string]any{"input": "hello", "messages": []any{map[string]any{"role": "user", "content": "illegal"}}},
+		Body:             map[string]any{"messages": []any{map[string]any{"role": "user", "content": "hello"}}},
 		Candidate:        store.RuntimeModelCandidate{BaseURL: server.URL, ProviderModelName: "demo", Credentials: map[string]any{"apiKey": "secret"}},
 		UpstreamProtocol: ProtocolOpenAIResponses, PublicResponseID: "resp_12345678901234567890123456789012",
 		PublicPreviousResponseID: "resp_abcdefghijklmnopqrstuvwxyz123456", UpstreamPreviousResponseID: "resp_upstream_parent",