chore: 适配 macOS 编译（测试期望改用平台路径分隔符、统一 LF 行尾）

.gitattributes

@@ -0,0 +1,12 @@
+# 统一按 LF 存储、按 LF 检出，避免 Windows / macOS 之间整文件 diff 噪音
+* text=auto eol=lf
+
+# 明确的二进制文件
+*.png binary
+*.ico binary
+*.exe binary
+*.jpg binary
+*.jpeg binary
+*.gif binary
+*.icns binary
+*.zip binary

internal/core/paths_test.go

@@ -2,6 +2,7 @@ package core
 
 import (
 	"os"
+	"path/filepath"
 	"strings"
 	"testing"
 
@@ -31,23 +32,25 @@ func TestBuildDir(t *testing.T) {
 		want string
 	}{
 		{"{title}", "[Noxe] 0820 Qingxiao [AI Generated]"},
-		{"{artist}/{title}", `Noxe\[Noxe] 0820 Qingxiao [AI Generated]`},
-		{"{group}/{title}", `CriticalHAI\[Noxe] 0820 Qingxiao [AI Generated]`},
-		{"{category}/{group}/{title}", `misc\CriticalHAI\[Noxe] 0820 Qingxiao [AI Generated]`},
-		{"{tags:2}/{artist}/{title}", `qingxiao_rover\Noxe\[Noxe] 0820 Qingxiao [AI Generated]`},
-		{"{tags}/{artist}/{title}", `qingxiao_rover_big breasts_x-ray_ai generated\Noxe\[Noxe] 0820 Qingxiao [AI Generated]`},
+		{"{artist}/{title}", `Noxe/[Noxe] 0820 Qingxiao [AI Generated]`},
+		{"{group}/{title}", `CriticalHAI/[Noxe] 0820 Qingxiao [AI Generated]`},
+		{"{category}/{group}/{title}", `misc/CriticalHAI/[Noxe] 0820 Qingxiao [AI Generated]`},
+		{"{tags:2}/{artist}/{title}", `qingxiao_rover/Noxe/[Noxe] 0820 Qingxiao [AI Generated]`},
+		{"{tags}/{artist}/{title}", `qingxiao_rover_big breasts_x-ray_ai generated/Noxe/[Noxe] 0820 Qingxiao [AI Generated]`},
 		{"{tag1}-{tag2}", "qingxiao-rover"},
 		{"{artist} - {gid} - {title}", "Noxe - 4239274 - [Noxe] 0820 Qingxiao [AI Generated]"},
 		{"{gid}", "4239274"},
-		{"{lang}/{title}", `chinese\[Noxe] 0820 Qingxiao [AI Generated]`},
-		{"{unknown}/{title}", `{unknown}\[Noxe] 0820 Qingxiao [AI Generated]`}, // 未知占位符原样保留
+		{"{lang}/{title}", `chinese/[Noxe] 0820 Qingxiao [AI Generated]`},
+		{"{unknown}/{title}", `{unknown}/[Noxe] 0820 Qingxiao [AI Generated]`}, // 未知占位符原样保留
 	}
 
 	for _, tt := range tests {
 		t.Run(tt.tpl, func(t *testing.T) {
 			got := BuildDir(tt.tpl, g)
-			if got != tt.want {
-				t.Errorf("\n got: %q\nwant: %q", got, tt.want)
+			// 期望值用 / 书写，再换成本机路径分隔符（Windows 是 \）
+			want := strings.ReplaceAll(tt.want, "/", string(filepath.Separator))
+			if got != want {
+				t.Errorf("\n got: %q\nwant: %q", got, want)
 			}
 		})
 	}