01 — Requirements
“Design a notification system with priority queuing, permission handling, and push integration.”
02 — API & Data Model
Define endpoints for sending, listing, and managing notification preferences.
03 — Architecture
Map the notification pipeline: push server service worker notification manager toast queue UI.
04 — Toast Component
Build a configurable toast with position, duration, type, and dismiss controls.
05 — Toast Queue
Implement the visible/overflow queue with max-visible constraints.
06 — Priority System
Add priority-based ordering so critical notifications jump the queue.
07 — Toast Animations
Choose animation strategies that avoid layout shift during stack reflow.
08 — Notification Center
Build a persistent inbox with read/unread state, filtering, and bulk actions.
09 — Push Permission
Implement the soft-ask pattern to protect the one-shot browser permission prompt.
10 — Push API Integration
Walk through SW registration push subscription server storage push receive.
11 — Notification Grouping
Collapse rapid-fire related notifications into grouped summaries.
12 — Rate Limiting
Throttle notification frequency to prevent queue flooding and user fatigue.
13 — Preferences
Build per-category opt-in/out controls and quiet hours.
14 — Accessibility
Ensure aria-live regions, focus management, and keyboard navigation for toasts.
15 — Full System Stress Test
Run a mixed-priority notification stream and observe the complete system in action.