fix(browser): support macOS core bundle paths

backend/internal/browser/core_binary.go

@@ -31,6 +31,12 @@ func FindCoreExecutable(baseDir string) (string, string, bool) {
 	if baseDir == "" {
 		return "", "", false
 	}
+	if directPath, directCandidate, ok := findDirectCoreExecutable(baseDir); ok {
+		return directPath, directCandidate, true
+	}
+	if bundlePath, bundleCandidate, ok := findAppBundleExecutable(baseDir); ok {
+		return bundlePath, bundleCandidate, true
+	}
 	for _, candidate := range CoreExecutableCandidates() {
 		p := filepath.Join(baseDir, filepath.FromSlash(candidate))
 		if _, err := os.Stat(p); err == nil {
@@ -39,3 +45,60 @@ func FindCoreExecutable(baseDir string) (string, string, bool) {
 	}
 	return "", "", false
 }
+
+func findDirectCoreExecutable(path string) (string, string, bool) {
+	info, err := os.Stat(path)
+	if err != nil || info.IsDir() {
+		return "", "", false
+	}
+
+	normalized := filepath.ToSlash(filepath.Clean(path))
+	for _, candidate := range CoreExecutableCandidates() {
+		candidatePath := filepath.ToSlash(candidate)
+		if strings.HasSuffix(normalized, candidatePath) || filepath.Base(normalized) == filepath.Base(candidatePath) {
+			return path, candidate, true
+		}
+	}
+
+	return "", "", false
+}
+
+func findAppBundleExecutable(path string) (string, string, bool) {
+	if goruntime.GOOS != "darwin" {
+		return "", "", false
+	}
+
+	info, err := os.Stat(path)
+	if err != nil || !info.IsDir() {
+		return "", "", false
+	}
+
+	normalized := filepath.ToSlash(filepath.Clean(path))
+	if !strings.HasSuffix(strings.ToLower(normalized), ".app") {
+		return "", "", false
+	}
+
+	for _, candidate := range CoreExecutableCandidates() {
+		candidatePath := filepath.ToSlash(candidate)
+		appMarker := ".app/"
+		index := strings.Index(strings.ToLower(candidatePath), appMarker)
+		if index < 0 {
+			continue
+		}
+		if !strings.EqualFold(filepath.Base(normalized), filepath.Base(candidatePath[:index+len(".app")])) {
+			continue
+		}
+
+		relativeExecutable := candidatePath[index+len(appMarker):]
+		if relativeExecutable == "" {
+			continue
+		}
+
+		p := filepath.Join(path, filepath.FromSlash(relativeExecutable))
+		if _, err := os.Stat(p); err == nil {
+			return p, candidate, true
+		}
+	}
+
+	return "", "", false
+}

backend/internal/browser/core_test.go

@@ -4,6 +4,7 @@ import (
 	"ant-chrome/backend/internal/config"
 	"os"
 	"path/filepath"
+	"runtime"
 	"testing"
 )
 
@@ -103,6 +104,84 @@ func TestResolveChromeBinaryNormalizesWindowsStyleRelativeCorePath(t *testing.T)
 	}
 }
 
+func TestResolveChromeBinaryAcceptsDirectExecutablePath(t *testing.T) {
+	t.Parallel()
+
+	root := t.TempDir()
+	coreDir := filepath.Join(root, "chrome-direct")
+	if err := os.MkdirAll(coreDir, 0o755); err != nil {
+		t.Fatalf("创建内核目录失败: %v", err)
+	}
+
+	exePath := filepath.Join(coreDir, filepath.FromSlash(CoreExecutableCandidates()[0]))
+	if err := os.MkdirAll(filepath.Dir(exePath), 0o755); err != nil {
+		t.Fatalf("创建可执行文件目录失败: %v", err)
+	}
+	if err := os.WriteFile(exePath, []byte("stub"), 0o755); err != nil {
+		t.Fatalf("写入可执行文件失败: %v", err)
+	}
+
+	cfg := config.DefaultConfig()
+	mgr := NewManager(cfg, root)
+	mgr.CoreDAO = &coreDAOStub{
+		list: []Core{
+			{
+				CoreId:    "core-direct",
+				CoreName:  "Chrome Direct",
+				CorePath:  exePath,
+				IsDefault: true,
+			},
+		},
+	}
+
+	got, err := mgr.ResolveChromeBinary(&Profile{})
+	if err != nil {
+		t.Fatalf("ResolveChromeBinary 返回错误: %v", err)
+	}
+	if got != exePath {
+		t.Fatalf("ResolveChromeBinary 路径错误: got=%q want=%q", got, exePath)
+	}
+}
+
+func TestResolveChromeBinaryAcceptsDarwinAppBundlePath(t *testing.T) {
+	t.Parallel()
+
+	if runtime.GOOS != "darwin" {
+		t.Skip("仅验证 darwin .app 路径解析")
+	}
+
+	root := t.TempDir()
+	appDir := filepath.Join(root, "Chromium.app")
+	exePath := filepath.Join(appDir, "Contents", "MacOS", "Chromium")
+	if err := os.MkdirAll(filepath.Dir(exePath), 0o755); err != nil {
+		t.Fatalf("创建可执行文件目录失败: %v", err)
+	}
+	if err := os.WriteFile(exePath, []byte("stub"), 0o755); err != nil {
+		t.Fatalf("写入可执行文件失败: %v", err)
+	}
+
+	cfg := config.DefaultConfig()
+	mgr := NewManager(cfg, root)
+	mgr.CoreDAO = &coreDAOStub{
+		list: []Core{
+			{
+				CoreId:    "core-app",
+				CoreName:  "Chromium App",
+				CorePath:  appDir,
+				IsDefault: true,
+			},
+		},
+	}
+
+	got, err := mgr.ResolveChromeBinary(&Profile{})
+	if err != nil {
+		t.Fatalf("ResolveChromeBinary 返回错误: %v", err)
+	}
+	if got != exePath {
+		t.Fatalf("ResolveChromeBinary 路径错误: got=%q want=%q", got, exePath)
+	}
+}
+
 func TestCountInstancesByCoreTreatsLegacyDefaultReferenceAsDefault(t *testing.T) {
 	t.Parallel()