feat: add Tier Limits Matrix Editor (Admin UI)
Phase 3 Frontend - First Component: Matrix Editor
New page: AdminTierLimitsPage
- Displays Tier x Feature matrix (editable table)
- Inline editing for all limit values
- Visual feedback for changes (highlighted cells)
- Batch save with validation
- Category grouping (data, ai, export, integration)
- Legend: ∞ = unlimited (NULL), ❌ = disabled (0), 1-999 = limit
- Responsive table with sticky column headers
Features:
- GET /api/tier-limits - Load matrix
- PUT /api/tier-limits/batch - Save all changes
- Change tracking (shows unsaved count)
- Reset button to discard changes
- Success/error messages
API helpers added (api.js):
- v9c subscription endpoints (user + admin)
- listFeatures, listTiers, getTierLimitsMatrix
- updateTierLimit, updateTierLimitsBatch
- listCoupons, redeemCoupon
- User restrictions, access grants
Navigation:
- Link in AdminPanel (Settings Page)
- Route: /admin/tier-limits
Ready for testing on Dev!
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Lars
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