Sharing: resolve and claim share links and email invites #57

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1. Adron

   added

   parityWeb/API feature-parity workWeb/API feature-parity work

   P2DepthDepth

   area:sharingArea: sharingArea: sharing

   on Sep 15, 2026
2. Adron

   added a parent issue on Sep 15, 2026

   • Epic: Sharing, invites and collaboration depth #54
3. Adron commented on Sep 16, 2026

   

   Adron

   on Sep 16, 2026

   MemberAuthor

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   ⚠️ The role vocabulary in this issue is wrong — the API does not accept Read-only / Edit / Admin

   I wrote these issues from /help/documents, which describes three permission levels as Read-only, Edit and Admin. Those are display names. The API rejects them. Verified live 2026-09-16 on a throwaway list:

   role=read-only     -> 400 {"error":"Invalid role. Must be watcher, collaborator, or manager"}
   role=edit          -> 400 {"error":"Invalid role. Must be watcher, collaborator, or manager"}
   role=admin         -> 400 {"error":"Invalid role. Must be watcher, collaborator, or manager"}
   
   role=watcher       -> 201 {"email":"…","role":"watcher","expiresAt":null,"url":"…/lists/invite/OG72S9Ee…"}
   role=collaborator  -> 201 {"email":"…","role":"collaborator","expiresAt":null,"url":"…"}
   role=manager       -> 201 {"email":"…","role":"manager","expiresAt":null,"url":"…"}
   

   So the wire values are watcher / collaborator / manager, and any UI needs an explicit mapping to the documented labels:

   Wire value	Help-doc label	Can
   watcher	Read-only	view content only
   collaborator	Edit	change content, but not rename, change public/private, or move
   manager	Admin	also rename, switch visibility, move, delete

   Don't send the display names, and don't show the wire values to users.

   Other live findings from #55/#56 (PRs #168/#169) that affect these issues

   The invite envelopes are asymmetric, which forces a read-after-write:

   POST   …/invites  -> 201 {email, role, expiresAt, url}     ← url, NO token
   GET    …/invites  -> 200 {invites:[{email, role, expiresAt, accepted, createdAt, token}]}  ← token, NO url
   DELETE …/invites/{token} -> 200 {"revoked":true}
   

   Revoke is keyed by token, which the create response doesn't return — so creating an invite must be followed by a GET to obtain a revocable handle. Copy-link rebuilds the URL from the token.

   role works despite the published OpenAPI request schema omitting it — that schema lists only email + expiresAt. Another case of the spec being thinner than reality; /help/api/sharing is right and the spec is wrong.

   Error shapes: invalid email → 400 "A valid email address is required"; unknown token → 404 "Invite not found or access denied" (note: not-found and not-permitted are deliberately indistinguishable).

   Ownership envelopes differ between domains — lists nest the object under data, documents under document; both carry userId, which neither ListSummary nor DocumentSummary models.

   customerStatus values are free / subscriber / subscriber:monthly / subscriber:annual — any non-free value grants access, so don't compare against the literal "subscriber".

   An undocumented notify:false on invite create is accepted (201) but not echoed back. It was deliberately not exposed in the UI because there's no way to confirm it actually suppresses the email — which is exactly what #58's "Email this person" toggle needs. Confirming that flag is the blocker for #58's notify toggle, and it needs a mailbox you control to verify.

   Still unverified for #57

   The claim/accept side (/api/{lists|documents}/invite/{token}) is cookie-session-only per the docs and needs a second verified account, so it is unimplemented. That's the substance of #57.