Household Members Invite Email Validation Blocks Bad Input

EPIC: household

Household

STORY: members

As a parent, I can view and edit household members so that I can manage home-room assignments and watch-only status.

AC: invite_email_validation_blocks_bad_input

A structurally invalid invite email keeps the send action disabled so inviteCoParent is never called.

navigate to People page, open add sheet, choose Co-parent, enter a bad email

User Actions:

Tapped: widget with text "Household"
Tapped: widget with key [<'HouseholdPage.peopleButton'>]
Tapped: widget with key [<'PeoplePage.addChild'>]
Tapped: widget with text "Co-parent (invite)" descending from widget with key [<'MemberEditorSheet.kindSegmented'>]
Entered text: not-an-email
Tapped: widget with key [<'MemberEditorSheet.saveButton'>]

Expect:

Events: