Add Didar gap features: lost-reason reports, audit logs, tags, card assignees, and saved-views API.

Ignore Graphify local artifacts and expose new modules in superadmin.

apps/api/src/common/tags.ts

@@ -0,0 +1,10 @@
+/** Normalize free-form tag lists (max 40 unique non-empty tags). */
+export function normalizeTags(input?: string[] | null): string[] {
+  if (!input?.length) return [];
+  const cleaned = input
+    .map((t) => String(t ?? '').trim())
+    .filter(Boolean)
+    .map((t) => (t.startsWith('#') ? t.slice(1).trim() : t))
+    .filter(Boolean);
+  return [...new Set(cleaned)].slice(0, 40);
+}