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_windows_test.go

@@ -0,0 +1,39 @@
+//go:build windows
+
+package cursor
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+)
+
+// 验证：注册表 PATH 中的 fnm\bin（仅含 fnm.exe）能被扩展到实际 node 所在目录。
+func TestMergeNodeSearchPathFindsNode(t *testing.T) {
+	merged, _ := mergeNodeSearchPath()
+	if _, err := execLookPathIn(merged, "node.exe"); err != nil {
+		t.Fatalf("node.exe not found in merged PATH: %v", err)
+	}
+}
+
+// execLookPathIn 在给定 PATH 字符串下查找可执行文件。
+func execLookPathIn(pathEnv string, file string) (string, error) {
+	for _, dir := range filepath.SplitList(pathEnv) {
+		if dir == "" {
+			continue
+		}
+		candidate := filepath.Join(dir, file)
+		if info, err := os.Stat(candidate); err == nil && !info.IsDir() {
+			return candidate, nil
+		}
+		// .cmd/.bat 等 PATHEXT 场景只处理精确名与 .cmd。
+		if !strings.HasSuffix(strings.ToLower(file), ".exe") {
+			cmdCandidate := candidate + ".cmd"
+			if info, err := os.Stat(cmdCandidate); err == nil && !info.IsDir() {
+				return cmdCandidate, nil
+			}
+		}
+	}
+	return "", os.ErrNotExist
+}