feat(api): role-aware session helper + admin-only activity writes

apps/api/src/lib/work-session.ts

@@ -0,0 +1,27 @@
+import type { WorkSession } from '@solelog/shared';
+import type { workSessions } from '../db/schema';
+
+type WorkSessionRow = typeof workSessions.$inferSelect;
+
+export function toWorkSession(
+  row: WorkSessionRow,
+  opts: { activityName?: string | null; userName?: string | null; userEmail?: string | null } = {}
+): WorkSession {
+  return {
+    id: row.id,
+    user_id: row.userId,
+    activity_id: row.activityId,
+    activity_name: opts.activityName ?? undefined,
+    user_name: opts.userName ?? undefined,
+    user_email: opts.userEmail ?? undefined,
+    insole_type: (row.insoleType ?? null) as WorkSession['insole_type'],
+    pair_count: row.pairCount,
+    start_time: new Date(row.startTime).toISOString(),
+    end_time: row.endTime ? new Date(row.endTime).toISOString() : null,
+    duration_seconds: row.durationSeconds ?? null,
+    status: row.status as WorkSession['status'],
+    source: row.source as WorkSession['source'],
+    notes: row.notes ?? null,
+    created_at: new Date(row.createdAt).toISOString(),
+  };
+}