Sprint 30: end-of-sprint architecture refactor pass

editor/src/DebugValidationUtil.h

@@ -0,0 +1,12 @@
+#pragma once
+// Sprint 30 refactor: shared debug validation helpers
+
+#include <string>
+
+inline bool hasRequiredDebugIds(const std::string& a, const std::string& b) {
+    return !a.empty() && !b.empty();
+}
+
+inline bool isPositiveLine(int line) {
+    return line > 0;
+}