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/process_other.go

@@ -0,0 +1,11 @@
+//go:build !windows
+
+package cursor
+
+import "os/exec"
+
+// IsCursorRunning 检测 Cursor IDE 进程是否正在运行。
+func IsCursorRunning() bool {
+	out, err := exec.Command("pgrep", "-x", "Cursor").Output()
+	return err == nil && len(out) > 0
+}