objectstack-ai
diff --git a/‎.changeset/retire-sharing-execution-context.md‎
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diff --git a/‎content/docs/kernel/runtime-services/sharing-service.mdx‎
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diff --git a/‎docs/protocol-upgrade-guide.md‎
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diff --git a/‎packages/plugins/plugin-approvals/src/exec-context-annotation.pin.ts‎
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@@ -0,0 +1,52 @@
+---
+"@objectstack/spec": minor
+"@objectstack/plugin-sharing": minor
+"@objectstack/plugin-approvals": patch
+"@objectstack/plugin-reports": patch
+---
+
+refactor(spec,plugin-sharing): retire the exported `SharingExecutionContext` type (#7218)
+
+<!-- adr-0087: registered sharing-execution-context-retired -->
+
+**BREAKING — public surface removal.** `SharingExecutionContext` is deleted from
+`@objectstack/spec` (`contracts/sharing-service`) and from
+`@objectstack/plugin-sharing`, which re-exported it. Both `api-surface/` and
+`export-origins/` snapshots are regenerated accordingly.
+
+This is the deferred deletion recorded when #7070 split the convergence in two.
+#6523 / PR #7068 converged 36 contract signatures onto the full
+`resolveAuthzContext` envelope (`ExecutionContext`), applying the #6206 ruling —
+enforcement adjudicates on the whole envelope, never a per-site subset. The
+consumer halves then re-annotated the implementations: PR #7140 (identity:
+`plugin-sharing`, `plugin-audit`) and PR #7206 (services: `plugin-approvals`,
+`plugin-reports`). Both landed with the type still exported, because it is
+DEFINED in `packages/spec` and that package's retirement is the spec seat's to
+make. Nothing declares it any more, so it goes.
+
+**Migration.** Anyone who imported `SharingExecutionContext` from either package
+should import `ExecutionContext` from `@objectstack/spec` instead — the type the
+contracts have declared since #7068. The old shape was six optional fields, all
+of which exist on the envelope with the same names and types, so a value that
+satisfied the retired type already satisfies `ExecutionContext`; only the
+spelling of the annotation changes.
+
+**No runtime behaviour changes.** The type was erased at compile time and no
+signature's accepted shape moved: the contracts already took the wide envelope.
+
+**What the retirement did NOT remove — the reason to read the pins.** Deleting
+the type does not make re-narrowing a compile error. Structural subtyping still
+accepts a six-field context where the envelope is expected, so the boundary is
+held by the declared parameter type plus the pins, exactly as before. The three
+`exec-context-annotation.pin.ts` files (`plugin-sharing`, `plugin-approvals`,
+`plugin-reports`) told their failure story as "the parameter narrows back to
+`SharingExecutionContext`", which a deletion would have quietly hollowed out.
+Each now keeps the retired six-field shape as a local, non-exported SPECIMEN
+type and refutes every enforcement parameter against it by type identity, so a
+re-narrowing under ANY name is red — alongside the fresh-literal
+excess-property checks they already carried. `sharing-service.test.ts` in
+`packages/spec` is re-anchored the same way, and its "twin unchanged in shape"
+case becomes a "twin stays retired" case. The narrative the retired type's doc
+block carried (the measured `(context as any).posture` specimen, and why tsc
+cannot police this) moves to the module doc of `contracts/sharing-service`,
+which the contracts and pins now point at.
@@ -11,15 +11,21 @@ description: Record-level sharing and editability checks.
 ## Methods
 
 ```ts
-services.sharing.buildReadFilter(object: string, context: SharingExecutionContext): Promise<unknown | null>
-services.sharing.canEdit(object: string, recordId: string, context: SharingExecutionContext): Promise<boolean>
-services.sharing.canDelete(object: string, recordId: string, context: SharingExecutionContext): Promise<boolean>
-services.sharing.canManageShares(object: string, recordId: string, context: SharingExecutionContext): Promise<boolean>
-services.sharing.grant(input: GrantShareInput, context: SharingExecutionContext): Promise<RecordShare>
-services.sharing.revoke(shareId: string, context: SharingExecutionContext, scope?: { object: string; recordId: string }): Promise<void>
-services.sharing.listShares(object: string, recordId: string, context: SharingExecutionContext): Promise<RecordShare[]>
+services.sharing.buildReadFilter(object: string, context: ExecutionContext): Promise<unknown | null>
+services.sharing.canEdit(object: string, recordId: string, context: ExecutionContext): Promise<boolean>
+services.sharing.canDelete(object: string, recordId: string, context: ExecutionContext): Promise<boolean>
+services.sharing.canManageShares(object: string, recordId: string, context: ExecutionContext): Promise<boolean>
+services.sharing.grant(input: GrantShareInput, context: ExecutionContext): Promise<RecordShare>
+services.sharing.revoke(shareId: string, context: ExecutionContext, scope?: { object: string; recordId: string }): Promise<void>
+services.sharing.listShares(object: string, recordId: string, context: ExecutionContext): Promise<RecordShare[]>
 ```
 
+Every method above **adjudicates access**, so each takes the complete
+`resolveAuthzContext` envelope (`ExecutionContext`) — not a per-site subset
+(#6523, applying the #6206 ruling). The six-field `SharingExecutionContext`
+these signatures used to name was retired in #7218; pass the whole context you
+were handed, unchanged.
+
 ## Management authority (ADR-0111)
 
 `grant` / `revoke` / `listShares` are **management operations**, enforced in the
@@ -86,7 +92,7 @@ export async function mayEditContract(
 ): Promise<boolean> {
   return sharing.canEdit('contract', recordId, {
     userId: session.userId,
-    // `SharingExecutionContext` names the org `tenantId`; a session exposes the
+    // The execution context names the org `tenantId`; a session exposes the
     // same value as `organizationId` (the `session.tenantId` alias was removed in
     // v11, #3290).
     tenantId: session.organizationId,
 
@@ -455,6 +455,9 @@ This is a CODE-path API, not stored metadata, so — like `hook-register-empty-o
 
 ONE AUTHOR-REACHABLE SURFACE reaches this indirectly and is why it is not purely a code-side note: a saved report's `query.orderBy` (`sys_saved_report`) is forwarded verbatim into `engine.find` by `plugin-reports`, bypassing the ingress gate. A report authored to sort by a formula field used to run and return rows in an arbitrary order; it now fails loudly, with the remedy in the message. One further path is deliberately NOT a refusal: a nested `expand` sort raises this refusal inside `expandRelatedRecords`, whose pre-existing graceful-degradation `catch` swallows every expand failure and retains the raw foreign keys — so that path moves from silent to OBSERVABLE (a warning naming the field and the fix) rather than refusing. Reversing that backstop is a separate decision on all expand failure modes. #7095, #6994, #6924, #4226, #4256, #3821, ADR-0112.
   - Done when: No `engine.find` / `engine.findOne` call site sorts by a `formula` field, and no saved report's `query.orderBy` names one — grep your report definitions for an `orderBy` field whose object declares it as a `formula`, and denormalise it onto a stored column written when the source changes. A `summary` / rollup field needs no action: it has a real maintained column and sorts correctly. Reads complete with no `INVALID_SORT` naming a formula field, and no "Failed to expand relationship field" warning whose error text names one.
+- **`sharing-execution-context-retired`** — `@objectstack/spec: the exported type `SharingExecutionContext` (`contracts/sharing-service`), and its re-export from @objectstack/plugin-sharing — the six-field context shape (`userId` / `tenantId` / `positions` / `permissions` / `systemPermissions` / `isSystem`) that sharing, approval and report enforcement signatures used to name` → `ExecutionContext` from `@objectstack/spec` — the complete `resolveAuthzContext` envelope the contracts have declared since #6523. Every one of the retired type's six fields exists on it under the same name and type, so a value that satisfied the old type already satisfies the envelope: only the annotation is rewritten, never the value
+  - Why not automatic: ADR-0049 enforce-or-remove, completing the #6206 ruling (2026-08-07: enforcement adjudicates on the WHOLE envelope, never a per-site subset). This type was the declared context parameter of 36 signatures across three contracts — `ISharingService` / `ISharingRuleService`, `IApprovalService`, `IReportService` — and it omitted four fields those gates need: `accessible_org_ids` (under the `group` tenancy posture this IS the Layer 0 wall, ADR-0105 D2), `org_user_ids`, `posture` (ADR-0095 D2) and `tabPermissions`. Its damage ran in the MIRROR direction of the share-link twin (#6430 / PR #6511): nothing trimmed the VALUES — the engine middleware always handed the whole context down — it was the declared TYPE that was narrow, so an implementation could not READ what it had been given without casting out of its own contract (`const posture = (context as any).posture` in plugin-approvals' privileged-override gate). #6523 / PR #7068 converged the contracts, PR #7140 and PR #7206 re-annotated the four implementations, and this card removes the now-unreferenced declaration (#7070, #7218). Why this needs a ledger entry despite nothing in-repo referencing it: it is the `export-field-meta-constraints-retired` / `hook-context-session-roles-retired` disposition — a PUBLISHED TypeScript surface with no spec schema, so there is no `retiredKey()` tombstone and no parse rejection that could carry the prescription, and the ledger is the only channel that reaches an upgrader. Why D3 semantic and not a D2 conversion: nothing authored or stored changes shape. The name is only ever spelled inside a consumer's own TypeScript, so no `objectstack migrate meta` transform can reach it, and no `sys_metadata` row carries it. ADR-0049 / ADR-0087, #7218.
+  - Done when: No source of yours imports `SharingExecutionContext` from `@objectstack/spec` or `@objectstack/plugin-sharing`; each such import becomes `ExecutionContext` from `@objectstack/spec` and the build is green. tsc IS a sufficient detector here, unlike the optional-key retirements at this step: the name is gone outright, so every remaining reference is a hard resolution error rather than a silent `undefined`. ⚠️ Then check the direction tsc CANNOT see: widening an annotation never rejects a value, so an enforcement path that only ever received a hand-built six-field object still compiles and still under-adjudicates. Confirm each caller passes the context it was HANDED, unchanged, rather than a literal it assembled — and that any gate of yours reading `posture`, `accessible_org_ids`, `org_user_ids` or `tabPermissions` now reads them declared, with no `as any` in the path.
 
 ---
 
 
@@ -17,14 +17,26 @@
  * in this package. Nothing would notice. This module is the one thing that
  * does — every declaration below is red exactly when a parameter narrows back.
  *
- * HOW IT BITES: TypeScript's excess-property check on a FRESH object literal.
- * `posture` (ADR-0095 D2), `accessible_org_ids` (ADR-0105 D2) and
+ * HOW IT BITES, part 1: TypeScript's excess-property check on a FRESH object
+ * literal. `posture` (ADR-0095 D2), `accessible_org_ids` (ADR-0105 D2) and
  * `org_user_ids` are fields of the envelope that the retired six-field shape
  * did not carry, so a literal naming them is rejected the moment the parameter
  * is annotated with anything that lacks them. Note this is the ONLY direction
  * that works: a `@ts-expect-error` asserting the reverse would be unsatisfied
  * and fail the build, because a narrow context IS assignable to a wide
- * parameter — the boundary the retired type's own doc block records.
+ * parameter — see item 3 of the module doc on
+ * `@objectstack/spec/contracts/sharing-service` for that boundary.
+ *
+ * HOW IT BITES, part 2 (#7218): type IDENTITY against the retired shape itself.
+ * #7135's failure story was "the parameter narrows back to the six-field
+ * `SharingExecutionContext`" — a type that no longer exists, since #7218
+ * deleted it from the contract surface once all three implementations had been
+ * re-annotated. Deleting the type does NOT delete the failure mode: the six
+ * fields can be re-declared here under any name, and the literal checks above
+ * only fire on the fields a given literal happens to spell. So the retired
+ * shape is kept below as a local SPECIMEN and each parameter is refuted
+ * against it. A re-narrowing is then red twice over, and neither check depends
+ * on the retired export coming back.
  *
  * WHY A `.pin.ts` AND NOT A `*.test.ts`: `packages/plugins/plugin-approvals/
  * tsconfig.json` excludes `**\/*.test.ts` (measured on this card, and the same
@@ -45,6 +57,46 @@ type AuthorizeFileReadContext = Parameters<ApprovalService['authorizeFileRead']>
 type OpenNodeRequestContext = Parameters<ApprovalService['openNodeRequest']>[1];
 type ListRequestsContext = Parameters<ApprovalService['listRequests']>[1];
 
+/**
+ * [#7218] The RETIRED six-field shape, kept here as a SPECIMEN — a deliberate
+ * COPY of the type `@objectstack/spec` exported as `SharingExecutionContext`
+ * until #7218 deleted it. Copied rather than imported on purpose: nothing may
+ * depend on the retired name again, and a local copy is what lets this pin keep
+ * naming the shape it refuses after the export is gone.
+ *
+ * ⛔ Not a vocabulary to reach for, and not exported.
+ */
+type RetiredSharingContextSpecimen = {
+  userId?: string;
+  tenantId?: string;
+  positions?: string[];
+  permissions?: string[];
+  systemPermissions?: string[];
+  isSystem?: boolean;
+};
+
+/** Type-level identity: true iff A and B are the same type. */
+type Eq<A, B> = (<T>() => T extends A ? 1 : 2) extends (<T>() => T extends B ? 1 : 2)
+  ? true
+  : false;
+/** Compile error when the argument is not `false`. */
+type Refute<T extends false> = T;
+
+/**
+ * NEGATIVE, at the type level: no enforcement parameter IS the retired shape.
+ * Red the moment one is re-annotated with those six fields under any spelling
+ * — the failure #7135's pin told as "narrows back to `SharingExecutionContext`",
+ * restated so it no longer needs the deleted name to be checkable.
+ */
+type _NotTheRetiredShape = [
+  Refute<Eq<GetRequestContext, RetiredSharingContextSpecimen>>,
+  Refute<Eq<DecideContext, RetiredSharingContextSpecimen>>,
+  Refute<Eq<ListActionsContext, RetiredSharingContextSpecimen>>,
+  Refute<Eq<AuthorizeFileReadContext, RetiredSharingContextSpecimen>>,
+  Refute<Eq<OpenNodeRequestContext, RetiredSharingContextSpecimen>>,
+  Refute<Eq<ListRequestsContext, RetiredSharingContextSpecimen>>,
+];
+
 /**
  * Never called — every line below is a type-level assertion evaluated by
  * `tsc --noEmit`. The parameters are taken as arguments rather than read off a
@@ -70,6 +122,13 @@ export function __pinApprovalsTakesTheFullEnvelope(
   openNodeRequest(undefined as never, { userId: 'u1', posture: 'MEMBER', accessible_org_ids: ['org_a'] });
   listRequests(undefined, { userId: 'u1', org_user_ids: ['u1'] });
 
+  // ── NEGATIVE: none of these parameters IS the retired six-field shape. ───
+  // The tuple is all-`false` exactly when every `Refute` above holds; a
+  // parameter re-narrowed to the specimen makes its slot `true` and this
+  // assignment stops compiling.
+  const notTheRetiredShape: _NotTheRetiredShape = [false, false, false, false, false, false];
+  void notTheRetiredShape;
+
   // ── NEGATIVE: widening must not have degenerated into `any`. ─────────────
   // A parameter erased to `any` would swallow every positive above just as
   // happily, so the pin is only worth its weight if wrong input still fails.