fix(insuranceId space issue)

apps/Backend/src/utils/helpers.ts

@@ -0,0 +1,27 @@
+export function normalizeInsuranceId(raw: unknown): string | undefined {
+  if (raw === undefined || raw === null) return undefined;
+
+  // Accept numbers too (e.g. 12345), but prefer strings
+  let s: string;
+  if (typeof raw === "number") {
+    s = String(raw);
+  } else if (typeof raw === "string") {
+    s = raw;
+  } else {
+    // Not acceptable type
+    throw new Error("Insurance ID must be a numeric string.");
+  }
+
+  // Remove all whitespace
+  const cleaned = s.replace(/\s+/g, "");
+
+  // If empty after cleaning, treat as undefined
+  if (cleaned === "") return undefined;
+
+  // Only digits allowed (since you said it's numeric)
+  if (!/^\d+$/.test(cleaned)) {
+    throw new Error("Insurance ID must contain only digits.");
+  }
+
+  return cleaned;
+}