d430b96b51
Adds a dedicated super admin page for managing idea submissions across all tenants. Includes status summary cards, filterable/searchable table, detail modal with status updates, and private admin notes for internal tracking (sprint refs, thoughts, follow-ups). Notes are not visible to tenant users. - Database: admin_note column on shared.ideas (019 migration) - Backend: PUT /admin/ideas/:id/note endpoint - Frontend: AdminIdeasPage with table, filters, detail modal - Sidebar: "Idea Submissions" nav link in admin sections - Routing: /admin/ideas route under SuperAdminRoute guard Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>