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/windows_cert_stub.go

@@ -0,0 +1,10 @@
+//go:build !windows && !darwin
+
+package cursor
+
+import "fmt"
+
+// EnsureCACertInstalled 非 Windows/macOS 平台的存根实现
+func EnsureCACertInstalled(_ []byte, certPath string) error {
+	return fmt.Errorf("ensureCACertInstalled: 当前平台暂不支持，certPath=%s", certPath)
+}