- prove profile uses a read-only shared route\n- cover scoped navigation independent of actor module flags\n- require action, access, and kind in record button names
- Render a record-keyed status view for managed profiles\n- Refuse shared Settings links before actor controls mount\n- Localize intentional unavailable states
A grant has meant one thing since it shipped: the whole record, to read or to
add to. This lays the words for the two shapes the rest of the sharing work
needs — part of a record, and management of one — while changing what no
existing grant does.
`ShareDomain` is a closed set of eight sections in `src/lib/sharing/scope.ts`,
clustered from the delegable read surfaces rather than invented, plus the
distinguished `record` for the routes that read across them. It never converts
to a `ModuleKey` and never imports one: two masks, two questions, no shared
spelling, because the day they share a name is the day somebody makes one
imply the other, and a module the owner enabled is not a section the owner
shared.
`account_grants.scope_json` is NULL on every row that exists, and NULL is the
entire record — the answer those rows were consented as, so no backfill and no
re-consent. A non-NULL value is read through one fail-closed normaliser: a
blob it cannot parse opens nothing, including a section the blob happened to
name. That is the deliberate inverse of the module preference normaliser,
which fails open on purpose; both do the safe thing with a value nobody can
read, and the safe thing differs because one answers an authorization question
and the other a presentation question.
`MANAGE` joins the level enum, ordered above WRITE so a write grant can never
satisfy it, and carries no scope at all: management of part of a record
promises a boundary that cannot survive an edit, so the invite path refuses to
write one.
`requireRecordAuth` takes the section as a second required argument. The
requirement is the lever — a delegable route without a classification does not
typecheck, so the set of classified routes cannot fall behind the set of
delegable ones. All fifty-seven modules carry theirs. The structural guard
freezes each against the production vocabulary, fails when a module's own arms
disagree, and pins a non-zero count of resolved sections so a matcher that
stopped reading the argument fails instead of agreeing with everything.
`requireGuardianAuth` is exported and reaches nothing yet. It gates on the
managed-profile marker rather than on the grant, so an adult who granted
management of their own record cannot arrive at that record's settings by any
argument about what MANAGE means: widening MANAGE would widen the record
resolver and would not touch this one. Its frozen list lands empty, with the
declaration site as the positive control that keeps "nothing reaches it" a
measurement rather than a renamed symbol.
`users.managed_profile_at` says since when a record is one somebody else runs.
A timestamp and not a boolean, for a reason the schema has to keep possible:
clearing it is the handover, and the grants and the activity trail span it
untouched.
Seven findings from the adversarial pass before v1.36.1 was tagged. One
blocking defect shipped in that release; these did not, and they are all places
where somebody looking after another person's health record meets a wall with
no explanation, or where a guard cannot fail.
The document vault was the largest. `/documents` is marked as a shared
destination, so the shell offers it under a switch, and every read behind it
resolved the caller instead of the record: the vault painted a query-error card
and the illness view painted another beside it. That is the same failure the
release describes as fixed on the dashboard. Five GET arms move to the record
resolver now, and only the GET arms: the list, one document, its file, its
thumbnail and the vault's usage payload, which the filter bar is built from.
Uploading, retyping, deleting, linking a document to an illness and every AI
verb stay with the owner, and the two reads that spend decryption CPU key
their quota on the person calling rather than the record, the rule
`medications/compliance` already follows.
Logging a value on a metric you track yourself leaves the admitted set. It was
admitted, named on the consent screen in six languages, and unreachable: the
only form that posts one sits on a page a shared record does not open, and the
component that renders it says so in its own comment while returning null. It
is the third route the rule that withdrew allergies and family history fitted
exactly, and it was applied to two of the three. Reading those values stays.
Two guards could not fail, and both were proved by mutation before and after.
The prefetch guard checked rule three with two regexes: one was satisfied by
the doc comment every page carries, the other missed an aliased import, and
the pair stayed green with the dashboard genuinely prefetching off the
switch-blind session. It reads the AST now, resolves aliases through the
module's own import table, and pins the five prefetching pages by name so a
page that stops being detected is loud. The activity verb map decided
membership on a literal `requireRecordAuth("write")`, so putting the argument
on its own line, which is what the formatter does the moment the call grows,
dropped a route out of the scan and turned a genuinely-red run green. Both
counts are of matches now rather than of files walked.
The rest are single instances of rules applied everywhere else. "Take all due"
was withheld on a note saying it rides the bulk intake route; it does not, and
its own docblock says why not, so a helper with five morning tablets tapped
five times for nothing. Marking a dose skipped is offered wherever marking it
taken is. A form could be opened in the frame before the app knew whose record
was on screen and then stood there once the answer arrived, on the capture
sheet and on the dashboard's quick-entry sheets. Two more copies of the intake
toast were still building their own, one of them with an Undo pointing at a
route no delegate may call. The customise link on the mood page led to a page
that exists to say it is not part of what was shared. And the access-level
radios on the invitation screen are hidden by design with no focus ring on
their label, so keyboard focus moved invisibly across the one screen where
somebody grants write access to their record.
Three new structural guards, each watched fail first: the customise link sits
inside a capability branch on every surface a delegate can reach, every intake
surface confirms through the one shared decision, and the batch sweep is
offered at the level that admits it.
Ten routes on `/` refused with `undeclared_mode`, which made the first page
of account sharing the only page in it that does not work. Each one now
declares a mode, per route rather than as a class.
Eight are record reads: the dashboard snapshot, the Today digest, the badge
grid, the Coach nudge signal and reminder ledger, the medication low-stock
thresholds, and the two presentation blobs. The old objection to admitting an
aggregate — a summary can carry a finding from a module the grant does not
cover — does not hold while a grant is whole-record and all-or-nothing. Every
admission site names that, so the day per-module scope lands the aggregates
are findable.
The layout routes split their verbs. Reading the owner's arrangement is right
and, for the dashboard, forced: the snapshot already carries the layout and
the client seeds the same cache cell from it, so an actor answer would put two
people's layouts in one key. Writing it is not a caregiver's job, so the PUT
and DELETE stay bare and refuse. Same on the medication list, where the stored
order names the owner's medication ids and means nothing anywhere else.
Two are actor surfaces: the UI language belongs to the person reading the
screen and must not be transplanted onto the record, and the feature-flag
matrix reads the settings singleton and no user row at all.
Also fixes a second instance of the delegate-data-under-owner-banner defect,
on the same page: the dashboard's client-side band fallback derived blood-
pressure targets and the weight range from `/api/auth/me`, which answers about
the caller, and painted them over the record's charts. Under a switch it now
derives nothing and waits for the snapshot's own bands.
The integration suite drives every admitted route with both accounts seeded,
proves the two answers differ, and then demands the owner's back.
Three surfaces record a dose and all three had to reach the same two
conclusions inside somebody else's record: name the record, and drop an
Undo the server refuses. Two learned it and the dose ledger did not,
because the ternary was written out three times. It is written once now,
in the file the other two already share, with its own test.
POST /api/allergies and POST /api/family-history leave the frozen
delegable write set. The argument that admitted them still stands — an
allergy is the single most useful thing a caregiver can contribute — but
the only surface that posts to either lives in Settings, which a switch
closes, so no delegate could reach the form at any level. That is a
permission frozen ahead of the caller for it, and the list is built the
other way round on purpose.
Both delegable READ arms stay. A caregiver reading the allergy list is
what the feature is for; only the contribute step waits, and it comes
back in the same diff as the surface that offers it.
A server-prefetching page dehydrates a health record into the HTML and
seeds it into the client's query cache under the key the client cell
reads. That copy is only right when the account the page read is the
account the client's route would answer with, and under an account
switch it never is: `getSession()` answers who is CALLING, deliberately
and permanently, so all five prefetching pages seeded the delegate's own
rows into a document opened on somebody else's record. The dashboard was
the worst of it — snapshot, digest and widget layout ride routes that
refuse the refetch, so the delegate's numbers stayed on the owner's
dashboard, while the chart row refetched to the owner and left the page
showing two people at once under a banner naming one.
Resolve the session through `getUnswitchedSession()` instead, which
answers null while the browser is acting on another record. The prefetch
steps aside and every cell fetches through its route, which is where the
grant check lives. Resolving the owner here instead was the other
candidate and is worse: the grant check has exactly one home, half of
what these pages prefetch rides routes that declared themselves not
delegable, and re-deriving it in an RSC would be a second program
deciding whose record this is.
Close the two shell-level doors beside it. The Coach launcher, its
drawer mount and the module tour hang off `<AuthShell>` rather than off a
route, so dropping Insights and Coach from the navigation under a switch
left them painting on every page in the record and on the unavailable
panel too — one tap from a drawer whose every action refuses, and a
`POST /api/insights/coach/seen` fired by opening it at all. All three
bind `useRecordCapabilities()`, the same resolved grant the banner and
the switcher read. Absent, not disabled.
The prefetch rule is structural: the guard walks the app tree, so a sixth
prefetching page is covered the moment it lands rather than the moment
somebody remembers. The pages stay on the session-surface allowlist with
their reasons rewritten, because a wrapper one directory deeper is the
easiest way for a surface to walk out of a guard.
Sharing lived in a settings panel and a menu three levels deep. That is where
a grant is managed and not where it is used: somebody who opens this app every
morning to check on a parent does not go through settings to do it, and the
design standards draw the same line, settings being account utilities rather
than feature destinations. So the dashboard carries one compact card listing
the records shared with this account, each row a one-tap switch through the
existing flow.
It is a doorway and not a preview. No numbers, no last reading. A slice of
somebody else's record on the delegate's own dashboard would sit outside the
one frame the design leans on, the banner naming the record you are inside.
An account nobody has shared with sees nothing at all.
The other half is the receipt: a reading, a lab result or a dose recorded
under a switch now says which record it landed in, because "Saved" alone is
the confirmation somebody acting for another person does not need. The undo
on the dose toast goes at the same time, since a delegate cannot remove what
they recorded and an undo they can see is one the server refuses.
Also here: the lines the owner's activity view owes each admitted verb, as a
translated mapping with a fallback, so a later release filing a verb it has
never heard of still renders a sentence rather than a blank row.
The surface guard grows a write leg. Membership is decided by the argument
a module passes to the record resolver, not by the identifier, because a
delegable read and a delegable write name the same symbol and mean opposite
things. The call matcher resolves aliased and namespace-qualified calls
back to the original name, and proves it can against synthetic modules.
Two assertions carry the decision not to add a provenance column to eleven
tables. Every module in the write list has to call auditLog, which is the
only writer that stamps the acting account, and none of them may reach the
audit table through the client instead. That decision rested on the trail
existing; it now rests on a test.
The prose on the read list said the write arms keep refusing under a
switch. Eleven of them no longer do, so those sentences are rewritten
rather than left to lie.
The integration suite drives the shipped POST exports through the real
handler, resolver, grant table and Prisma. Five legs per verb: the write
lands under the owner and nowhere else, a read grant is refused with
nothing written, a caller who was never granted is refused the same way,
the request after a revocation is refused with no re-login, and a caller
who never switched is indistinguishable from before. The grant is minted
through the invitation flow rather than planted, and the audit assertion
reads both ends of the row.
A delegate retrying with one `Idempotency-Key` across two people's records met
itself in one cell. The cache tuple was `(caller, key, method, path)`, so the
second record's request replayed the first record's cached 201: the handler
never ran, no row was written for the second person, and the caller was told it
had been — with the other person's id in the body. Nothing errored and nothing
logged a conflict, and five of the write verbs about to become delegable are
wrapped here.
Fold the claimed record into the `key` component, centrally, once. Not into
`userId`: that column is a foreign key to `users` with a cascade behind it and
cannot hold a composite. It keeps naming the caller, which is what makes two
delegates on one record two cells for free. The separator is a byte the key
validator refuses, so a caller cannot hand-craft a key into a cell belonging to
a request they are not making.
A request with no acting account keys byte-for-byte as it did before, so a
client that never heard of sharing cannot be affected.
Accepted and pinned by test: the fold uses the CLAIM, before the grant check,
so within the 24h window a delegate whose access has ended can still replay a
key they had already completed. They receive bytes they already had, nothing
new is written, and a fresh key from them is refused because that request
reaches the handler.
Both frozen surfaces move in this diff. The claim reader gains a guard leg
freezing its consumers, since an unchecked claim is exactly the value a future
caller must not mistake for permission.
The rule that decides what a request says it is acting as — session stamp on
the cookie transport, selector header on Bearer, a header on a cookie request
naming nothing — sat inside the resolver that acts on the answer. A second
caller needs the same question answered before any auth context exists, and
two implementations of "whose record is this" drift; the copy that drifts is
the one nobody reads.
Move the decision, the header name and the two predicates into
`auth/acting-carrier`, as a pure function of what the transport carried. The
resolver keeps what only it may do: turning a claim into a data scope once a
live grant says so. No behaviour changes — the resolver's arms are the same
arms, and its suite passes untouched.
The header-name guard follows the constant to its new file.
The destructive-control registry carried this card because a detector read
its hardcoded `expiresAt: null` as a field being blanked, and an entry
explained at length why blanking was harmless here. The explanation was
right and the cause was not: the null was there because nobody could set a
date, not because none was wanted.
With the control wired the detector no longer fires, so the entry no longer
matches anything and the registry's own staleness check asked for it back.
A child model rides its parent through the backup, so the check looks
for the relation field name as well as the delegate. It looked for the
bare name anywhere in the declared files, and `symptomLinks` is declared
twice — on `IllnessDayLog` for the illness link, on `CycleDayLog` for
the cycle one. Deleting the illness branch from the restore route left
all twelve checks green, because the cycle write in another file was
answering a question about a different table.
A name that points at exactly one model is still evidence anywhere. A
name shared by several counts only in a file that also operates on the
declaring parent's delegate, and a check asserts the cycle file proves
the cycle link and refuses to prove the illness one.
That leaves the illness link unprovable from source: its include is a
shared constant with no query beside it, and the parent that would
disambiguate it is reached through the episode in another file.
`STRUCTURALLY_UNATTRIBUTABLE` names it with what defeats the matcher,
and naming a model there is not a free pass — it has to be seeded in
the round trip, which is checked here.
The two cycle entries in the frozen list claimed the gate reads `gender` off
the resolved auth context. It does not: `requireCycleEnabled` names that
parameter `_gender` and ignores it, then re-loads gender and the profile by
the resolved user id through the module gate. The answer is the same — the
owner's — but a reviewer checking the claim would have found a dead argument
and no explanation.
The profile route is the exception and now says so: it passes the auth-context
gender to `isCycleEnabled` itself to compute the flag it returns.
A frozen-list entry is only worth the reviewing it invites, so it has to
describe the mechanism that is there rather than the one the call site looks
like it has.
Ten routes: the cabinet list, the medication detail, its cadence, schedule
revisions, side effects, inventory, phase config and intake history, plus the
account-wide intake list and the batched compliance read.
`GET /api/medications/compliance` is the one delegable read that spends a
quota, and its rate-limit bucket now keys on the ACTOR while everything below
it scopes to the record. Both halves matter: a delegate hammering the route
must burn their own allowance rather than lock the owner out of their own
cabinet, and switching records must not hand the same caller a fresh one. The
test reads the `rate_limits` row rather than inferring it from a 429, because
a bucket keyed on the wrong person still answers 200.
`GET /api/medications/[id]/api-endpoint` stays refused. It returns two scalar
fields and no secret, and it tells a delegate whether the owner holds a live
ingest credential and for which medication — in the same file as the PUT that
mints one that would survive revocation.
The two intake validation breadcrumbs move onto `auditLog()` for the actor
stamp. The POST arm's breadcrumb stays as it is: that arm cannot be reached
under a switch.
Four routes: the cycle history, the day log, the profile and the custom
symptom vocabulary.
All four gate on `requireCycleEnabled(user.id, user.gender)`, and both
arguments now come off the record. That is the correct reading and the one
that had to be verified rather than assumed: whether cycle tracking applies
is a property of the record, so a delegate who tracks nothing still sees the
owner's cycle, and a delegate who tracks their own sees nothing when the
owner does not. Both directions are asserted.
Marc-André Bombeck