chore: import Local-Cursor v1.1.8 source snapshot

Includes the current working directory changes. Historical commits and release binaries are excluded to limit Gitea storage.
Source base: d7515973fbfd6dd2001fa156c483455b8081c7cb

internal/cursor/localize_detect_test.go

@@ -0,0 +1,17 @@
+//go:build windows
+
+package cursor
+
+import "testing"
+
+// 验证：注册表卸载项扫描能找到本机 Cursor 安装目录（含自定义安装位置）。
+func TestDetectCursorInstallPath(t *testing.T) {
+	dir := DetectCursorInstallPath()
+	if dir == "" {
+		t.Skip("本机未安装 Cursor，跳过")
+	}
+	if !isCursorInstallDir(dir) {
+		t.Fatalf("detected dir is not a valid install dir: %s", dir)
+	}
+	t.Logf("detected: %s", dir)
+}