Map a complete user flow for notification management in a project management tool. Write in a {{tone}} tone for {{target_audience}} (fitness trainers). Design style is gradient-heavy. Goal is to increase revenue. Output must follow UX flow mapping standard: each step specific, actionable, tied to measurable success criteria.

- Flow Overview: entry points, happy path, success criteria
- Detailed Flow Steps: 8-12 steps with screen, action, system response, data, transition
- Decision Points: branching conditions, default selections
- Error & Edge Cases: validation, network failure, permissions, session timeout, back navigation
- Alternative Paths: shortcuts, guest vs authenticated, power user, accessibility
- Flow Metrics: completion time, drop-off risks, conversion benchmarks, analytics events
- Handoff Notes: developer notes, API calls, loading states

Present as numbered steps. Maximum 1800 words.

Paste any relevant background information after these instructions before running.