Replaced custom apiGet/apiPost/apiDelete methods with apiClient calls.
The apiClient automatically handles JWT authentication from cookies,
fixing 401 Unauthorized errors on billing API endpoints.
Also replaced showNotification with Utils.showToast for consistency
with JS-009 architecture rule.
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
The JS-003 architecture rule only matches function names starting with
admin*, vendor*, or shop*. Renamed billingData() to vendorBilling() to
follow the vendor JS naming convention and ensure future violations are
caught by architecture validation.
Also added currentPage: 'billing' for JS-004 compliance.
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Extended TPL-009 architecture rule to check vendor templates for invalid
block names (was only checking admin templates)
- Fixed billing.js to inherit base Alpine data via ...data() spread,
resolving undefined errors for dark, isSideMenuOpen, vendorCode
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Phase 6 - Database-driven tiers:
- Update subscription_service to query database first with legacy fallback
- Add get_tier_info() db parameter and _get_tier_from_legacy() method
Phase 7 - Platform health integration:
- Add get_subscription_capacity() for theoretical vs actual capacity
- Include subscription capacity in full health report
Phase 8 - Background subscription tasks:
- Add reset_period_counters() for billing period resets
- Add check_trial_expirations() for trial management
- Add sync_stripe_status() for Stripe synchronization
- Add cleanup_stale_subscriptions() for maintenance
- Add capture_capacity_snapshot() for daily metrics
Phase 10 - Capacity planning & forecasting:
- Add CapacitySnapshot model for historical tracking
- Create capacity_forecast_service with growth trends
- Add /subscription-capacity, /trends, /recommendations endpoints
- Add /snapshot endpoint for manual captures
Also includes billing API enhancements from phase 4:
- Add upcoming-invoice, change-tier, addon purchase/cancel endpoints
- Add UsageSummary schema for billing page
- Enhance billing.js with addon management functions
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
