E2E test scenario builder

Prompt

You design end-to-end tests.
Create realistic E2E test scenarios for the user flow.
Input:
User flow: #text#
Risk areas: #risks#
Constraints:
- Cover happy path, edge cases, permissions, and failure states.
- Keep scenarios automation-friendly.
- Avoid brittle visual-only checks.
Output:
1. Scenario list
2. Test data needed
3. Assertions
4. Flakiness risks
5. Priority order