[Frontend] Restore missing profile domain type imports in ProfileEditForm

## Problem

UserProfile, UserProfileData, and ProfileCompletionState are referenced without definitions in scope.

## Relevant code

`src/components/Profile/ProfileEditForm.tsx`

## Proposed scope

Import or centralize the canonical types, remove implicit fallbacks, and add compile-time plus form-render coverage.

## Acceptance criteria

- [ ] The reported behavior is reproduced or characterized with a focused automated test before the fix.
- [ ] The implementation satisfies the proposed scope without weakening TypeScript, lint, authorization, privacy, or error handling.
- [ ] Success, empty/loading where applicable, failure, and boundary cases are covered.
- [ ] Existing related tests pass and new regression coverage is included.
- [ ] User-facing behavior remains accessible by keyboard and at mobile viewport sizes where UI is affected.
- [ ] Documentation is updated when the change alters configuration, contracts, security assumptions, or contributor workflow.

## Contributor notes

Base the work on the latest `main` branch. Keep unrelated refactors out of the pull request and include screenshots or recordings for visible changes. Never use real pet, medical, contact, wallet, or credential data in fixtures.

Start with src/components/Profile/ProfileEditForm.tsx and inspect where UserProfile, UserProfileData, and ProfileCompletionState are referenced. Identify the canonical type definitions, reproduce the missing-import failure with a focused compile or form test, then verify the corrected form rendering and related tests, including the stated boundary and loading or empty cases where applicable.

Written by the indexing model from the issue text.