chore: relocate backend into apps/api ahead of monorepo merge

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

apps/api/models/task/task_completion.attributes.js

@@ -0,0 +1,40 @@
+/***********************************************************************************************************************************************************************
+ * File Name: task_completion.attributes.js
+ * Type of Program: Attributes / Field Config
+ * Description: Attribute exclusion lists for TaskCompletion and TaskCompletionFile.
+ *              Admins see audit fields; clients see only their own completion data.
+ *
+ * Author: Kenneth Obsequio (@lash0000)
+ * Date Created: Jun. 13, 2026
+ ***********************************************************************************************************************************************************************/
+
+// ─── Shared base exclusions (neither role needs these) ────────────────────────
+const excludeAttributes = [];
+
+// ─── Admin: can see audit trails ──────────────────────────────────────────────
+const adminExclude = [
+    ...excludeAttributes,
+];
+
+// ─── Client: no audit trails ──────────────────────────────────────────────────
+const clientExclude = [
+    ...excludeAttributes,
+    'createdBy',
+    'updatedBy',
+    'deletedBy',
+    'deletedAt',
+    'storage_key',
+];
+
+const jsonbSchemas = {};
+const computedAttributes = [];
+const filterableFields = {};
+
+module.exports = {
+    adminExclude,
+    clientExclude,
+    excludeAttributes,
+    jsonbSchemas,
+    computedAttributes,
+    filterableFields,
+};