phase 16 implementation

src/lib/demo/redaction.ts

@@ -0,0 +1,32 @@
+const sensitiveKeys = new Set([
+  'fullname',
+  'name',
+  'workemail',
+  'email',
+  'company',
+  'market',
+  'message',
+  'phone',
+  'fieldvalue',
+  'serverresponse',
+]);
+
+export function redactSensitive(value: unknown): unknown {
+  if (Array.isArray(value)) return value.map(redactSensitive);
+  if (!value || typeof value !== 'object') return value;
+
+  return Object.fromEntries(
+    Object.entries(value).map(([key, child]) => [
+      key,
+      sensitiveKeys.has(key.toLowerCase()) ? '[REDACTED]' : redactSensitive(child),
+    ]),
+  );
+}
+
+export function containsSensitiveKey(value: unknown): boolean {
+  if (Array.isArray(value)) return value.some(containsSensitiveKey);
+  if (!value || typeof value !== 'object') return false;
+  return Object.entries(value).some(
+    ([key, child]) => sensitiveKeys.has(key.toLowerCase()) || containsSensitiveKey(child),
+  );
+}