Find the gaps in this user flow

The happy path is designed and nothing else is.

Find what is missing from this flow. The happy path is handled, so look everywhere else.

Work through:
- Entry: how do people arrive, including deep links and returning mid-flow?
- Interruption: they close the tab, lose connection, or come back three days later. What is preserved?
- Failure at every step: the request fails, the file is too large, the code expired, the permission was revoked.
- Data extremes: none, one, thousands, very long names, other alphabets.
- Roles: someone without access, someone on a read-only seat.
- Exit: how does a user leave, undo, or change their mind after finishing?

For each gap, say what the user currently sees and what they should see. Rank by how often it will happen, not by how interesting it is.

Flow:

Flows and forms. Whole journeys rather than single screens: onboarding, missing states, and forms field by field.