/internal/storage/dolt: fix windows build issue

internal/storage/dolt/process_windows.go

@@ -0,0 +1,21 @@
+//go:build windows
+// +build windows
+
+package dolt
+
+import "os"
+
+func processMayBeAlive(p *os.Process) bool {
+	// Windows doesn't support Unix-style signal(0) checks. Treat as "unknown/alive"
+	// and let connection attempts / wait timeouts determine readiness.
+	_ = p
+	return true
+}
+
+func terminateProcess(p *os.Process) error {
+	if p == nil {
+		return nil
+	}
+	// Best-effort: Windows doesn't have SIGTERM semantics; kill the process.
+	return p.Kill()
+}