- test_share_default_permission_view: asserts permission='view' in POST
response and owner's GET /api/shares list (SHARE-03)
- test_share_indicator_in_owner_list: asserts is_shared flips True in
owner's GET /api/documents after sharing (SHARE-05)
All 14 phase tests now pass (9 shares + 5 audit).
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>