Release v1.4.8 remote detection fixes

internal/remote/client.go

@@ -135,7 +135,7 @@ func (c *Client) ListModels(ctx context.Context) ([]Model, error) {
 	defer resp.Body.Close()
 	body, _ := io.ReadAll(resp.Body)
 	if resp.StatusCode >= 400 {
-		return nil, fmt.Errorf("remote model list status %d: %s", resp.StatusCode, truncate(string(body), 500))
+		return nil, c.modelListStatusError(resp.StatusCode, string(body))
 	}
 	var payload struct {
 		Chat   []Model `json:"chat"`
@@ -147,6 +147,14 @@ func (c *Client) ListModels(ctx context.Context) ([]Model, error) {
 	return append(payload.Chat, payload.Inline...), nil
 }
 
+func (c *Client) modelListStatusError(statusCode int, body string) error {
+	message := fmt.Sprintf("remote model list status %d from %s: %s", statusCode, c.cfg.BaseURL, truncate(body, 500))
+	if statusCode == http.StatusNotFound || strings.Contains(body, "NoSuchKey") {
+		message += "。这通常表示远端 API 域名自动探测命中了错误地址，请到设置页手动填写 Lingma 官方或企业专属远端 API 域名；官方默认域名为 https://lingma.alibabacloud.com。"
+	}
+	return fmt.Errorf("%s", message)
+}
+
 func (c *Client) Chat(ctx context.Context, request ChatRequest, onDelta func(string)) (*ChatResult, error) {
 	cred, err := LoadCredential(c.cfg.AuthFile)
 	if err != nil {
@@ -592,12 +600,29 @@ func normalizeRemoteBaseURLHint(raw string) string {
 		return ""
 	}
 	host := strings.ToLower(parsed.Host)
-	if !strings.Contains(host, "lingma") && !strings.Contains(host, "rdc.aliyuncs.com") {
+	if !isRemoteAPIHost(host) {
 		return ""
 	}
 	return parsed.Scheme + "://" + parsed.Host
 }
 
+func isRemoteAPIHost(host string) bool {
+	if host == "" {
+		return false
+	}
+	if strings.Contains(host, ".oss-") || strings.Contains(host, "oss-rg-") || strings.Contains(host, ".oss.") {
+		return false
+	}
+	switch host {
+	case "lingma.alibabacloud.com", "lingma-api.tongyi.aliyun.com":
+		return true
+	}
+	if strings.HasSuffix(host, ".rdc.aliyuncs.com") {
+		return true
+	}
+	return false
+}
+
 func estimateTokens(text string) int {
 	text = strings.TrimSpace(text)
 	if text == "" {

internal/remote/client_test.go

@@ -3,6 +3,7 @@ package remote
 import (
 	"os"
 	"path/filepath"
+	"strings"
 	"testing"
 	"time"
 )
@@ -22,43 +23,76 @@ func TestNewKeepsPositiveTimeout(t *testing.T) {
 }
 
 func TestExtractBaseURLFromEndpointLog(t *testing.T) {
-	got := extractBaseURLFromText(`2026-04-10 INFO Update endpoint success. endpoint config: https://ai-lingma-cmb01-cn-beijing.rdc.aliyuncs.com`)
-	want := "https://ai-lingma-cmb01-cn-beijing.rdc.aliyuncs.com"
+	got := extractBaseURLFromText(`2026-04-10 INFO Update endpoint success. endpoint config: https://ai-lingma-example-cn-beijing.rdc.aliyuncs.com`)
+	want := "https://ai-lingma-example-cn-beijing.rdc.aliyuncs.com"
 	if got != want {
 		t.Fatalf("got %q, want %q", got, want)
 	}
 }
 
 func TestExtractBaseURLFromMarketplaceLog(t *testing.T) {
-	got := extractBaseURLFromText(`2026-04-30 [info] [Marketplace] Using service url: https://ai-lingma-cmb01-cn-beijing.rdc.aliyuncs.com/marketplace/_apis/public/gallery`)
-	want := "https://ai-lingma-cmb01-cn-beijing.rdc.aliyuncs.com"
+	got := extractBaseURLFromText(`2026-04-30 [info] [Marketplace] Using service url: https://ai-lingma-example-cn-beijing.rdc.aliyuncs.com/marketplace/_apis/public/gallery`)
+	want := "https://ai-lingma-example-cn-beijing.rdc.aliyuncs.com"
 	if got != want {
 		t.Fatalf("got %q, want %q", got, want)
 	}
 }
 
 func TestExtractBaseURLFromRawWindowsLogURL(t *testing.T) {
-	got := extractBaseURLFromText(`2026-05-06T12:00:00 endpoint=https://ai-lingma-cmb01-cn-beijing.rdc.aliyuncs.com/algo/api/v2/model/list`)
-	want := "https://ai-lingma-cmb01-cn-beijing.rdc.aliyuncs.com"
+	got := extractBaseURLFromText(`2026-05-06T12:00:00 endpoint=https://ai-lingma-example-cn-beijing.rdc.aliyuncs.com/algo/api/v2/model/list`)
+	want := "https://ai-lingma-example-cn-beijing.rdc.aliyuncs.com"
+	if got != want {
+		t.Fatalf("got %q, want %q", got, want)
+	}
+}
+
+func TestExtractBaseURLIgnoresLingmaOSSAssetHost(t *testing.T) {
+	got := extractBaseURLFromText(`2026-05-06 endpoint config: https://ai-lingma-example-cn-beijing.rdc.aliyuncs.com
+2026-05-06 Download asset from: https://lingma-ide.oss-rg-china-mainland.aliyuncs.com/lingma-extension/download?name=plugin.zip`)
+	want := "https://ai-lingma-example-cn-beijing.rdc.aliyuncs.com"
 	if got != want {
 		t.Fatalf("got %q, want %q", got, want)
 	}
 }
 
 func TestNormalizeBaseURLRepairsMissingLeadingH(t *testing.T) {
-	got := normalizeRemoteBaseURLHint(`ttps://ai-lingma-cmb01-cn-beijing.rdc.aliyuncs.com`)
-	want := "https://ai-lingma-cmb01-cn-beijing.rdc.aliyuncs.com"
+	got := normalizeRemoteBaseURLHint(`ttps://ai-lingma-example-cn-beijing.rdc.aliyuncs.com`)
+	want := "https://ai-lingma-example-cn-beijing.rdc.aliyuncs.com"
 	if got != want {
 		t.Fatalf("got %q, want %q", got, want)
 	}
 }
 
-func TestNormalizeBaseURLRejectsUnsupportedScheme(t *testing.T) {
-	if got := normalizeRemoteBaseURLHint(`ftp://ai-lingma-cmb01-cn-beijing.rdc.aliyuncs.com`); got != "" {
+func TestNormalizeBaseURLRejectsLingmaOSSAssetHost(t *testing.T) {
+	if got := normalizeRemoteBaseURLHint(`https://lingma-ide.oss-rg-china-mainland.aliyuncs.com/lingma-extension/download`); got != "" {
 		t.Fatalf("got %q, want empty", got)
 	}
 }
 
+func TestNormalizeBaseURLRejectsUnsupportedScheme(t *testing.T) {
+	if got := normalizeRemoteBaseURLHint(`ftp://ai-lingma-example-cn-beijing.rdc.aliyuncs.com`); got != "" {
+		t.Fatalf("got %q, want empty", got)
+	}
+}
+
+func TestModelListStatusErrorSuggestsManualRemoteBaseURLOn404(t *testing.T) {
+	client := New(Config{BaseURL: "https://lingma-ide.oss-rg-china-mainland.aliyuncs.com"})
+	err := client.modelListStatusError(404, `<Error><Code>NoSuchKey</Code></Error>`)
+	if err == nil {
+		t.Fatal("expected error")
+	}
+	text := err.Error()
+	for _, want := range []string{
+		"https://lingma-ide.oss-rg-china-mainland.aliyuncs.com",
+		"远端 API 域名自动探测命中了错误地址",
+		"https://lingma.alibabacloud.com",
+	} {
+		if !strings.Contains(text, want) {
+			t.Fatalf("error %q missing %q", text, want)
+		}
+	}
+}
+
 func TestExtractMachineIDFromTextMarkers(t *testing.T) {
 	got := extractMachineIDFromText(`2026-05-06 info using machine id from file: abcdef1234567890abcdef`)
 	if got != "abcdef1234567890abcdef" {