objectstack-ai
diff --git a/‎.changeset/runtime-tenancy-posture-failure-discrimination.md‎
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diff --git a/‎content/docs/protocol/kernel/index.mdx‎
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diff --git a/‎packages/runtime/src/http-dispatcher.tenancy-posture-outage.test.ts‎
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@@ -0,0 +1,14 @@
+---
+"@objectstack/runtime": patch
+---
+
+The runtime dispatcher door no longer admits a request on a tenancy posture it could not read.
+
+`resolveExecutionContext` reads the effective tenancy posture from the kernel's `tenancy` service, and both posture-conditional API-key refusals (`organization_required`, `organization_membership_ended`) run only when that posture is present. The read used to swallow every failure into "no posture", so a `tenancy` service that was **registered and failed to build** answered exactly like a deployment with no tenancy at all: the wall was skipped, and an API key stamped with an organization its owner had left — or carrying no organization — was admitted with full grants.
+
+The seam now carries the same discrimination the REST door already applies (#13906 decision 1, option A), by the registry's own brand rather than by message text:
+
+- **never registered** — the supported no-tenancy composition. Absorbed as before: no posture, no posture-conditional refusal, nothing changes for single-organization embedders.
+- **registered and failed to build** — re-raised as `AuthzStoreUnavailableError`, so the door answers `503 SERVICE_UNAVAILABLE` ("the authorization store could not be read"), which is an existing member of the closed error vocabulary. A posture that could not be read is not a posture that is absent.
+
+Two nets between the resolver and the transport envelope are told the same thing, in the one shape `@objectstack/core` already prescribes for such seams (`rethrowAuthzStoreUnavailable`): the dispatcher's service facade hands the resolver the classified rejection for `tenancy` instead of collapsing it to `undefined`, and the identity step's catch re-raises only the branded outage while every other fault still degrades to an anonymous request. A consequence worth knowing: an authorization-store read failure (`AuthzStoreUnavailableError` from the permission tables) now also reaches this door as 503 instead of being served as an anonymous request.
@@ -293,8 +293,11 @@ that order.
 
 // 1. Identity — resolveExecutionContext() reads the better-auth session (or
 //    API key), aggregates positions/permission sets/RLS membership, and layers
-//    locale + timezone on top. It always resolves; anonymous yields
-//    `{ isSystem: false, positions: [], permissions: [] }`.
+//    locale + timezone on top. Anonymous yields
+//    `{ isSystem: false, positions: [], permissions: [] }`. It rejects with
+//    AuthzStoreUnavailableError (503) only when an authorization input exists
+//    and could not be read — a failed permission-store read, or a tenancy
+//    service that is registered and failed to build.
 const context = await resolveExecutionContext({ getService, getQl, request });
 // → ExecutionContext { userId, tenantId, locale, timezone, positions,
 //                      permissions, isSystem, ... }
 
@@ -0,0 +1,271 @@
+// Copyright (c) 2026 ObjectStack. Licensed under the Apache-2.0 license.
+
+/**
+ * [#13906 decision 1 option A — at the RUNTIME door, measured end to end]
+ *
+ * The runtime resolver (`security/resolve-execution-context.ts`) has ONE
+ * production caller: `HttpDispatcher.resolveRequestScope`, reached from
+ * `dispatch()` and from the declarative-endpoint fallback. Between the
+ * resolver's tenancy read and the transport's error envelope sat THREE nets,
+ * every one of them collapsing "the posture could not be READ" into "there is
+ * no posture":
+ *
+ *   1. the resolver's own bare `catch { tenancyPosture = undefined }`;
+ *   2. the dispatcher's `getService` facade — `resolveService`, a capability
+ *      PROBE whose fallback chain absorbs every rejection at every step and
+ *      hands back `undefined`, so the resolver's catch was never even reached;
+ *   3. `resolveRequestScope`'s bare `catch` ("anonymous request") around the
+ *      whole identity step.
+ *
+ * With all three in place a tenancy service that was REGISTERED AND FAILED TO
+ * BUILD read as "no wall": both posture-conditional API-key refusals were
+ * skipped and an ex-member's org-stamped key was admitted with full grants.
+ * The REST seam (`rest-server.ts`) already answers this class with
+ * `AuthzStoreUnavailableError` (503); this file pins the same answer on the
+ * runtime door, against a REAL `ObjectKernel` so the rejections under test are
+ * the registry's own (#13905: branded on "never registered", unbranded on
+ * "registered and could not be built").
+ */
+
+import { describe, it, expect } from 'vitest';
+
+import { ObjectKernel, isAuthzStoreUnavailableError } from '@objectstack/core';
+import { ApiErrorSchema, BaseResponseSchema } from '@objectstack/spec/api';
+
+import { HttpDispatcher } from './http-dispatcher.js';
+import { createDispatcherPlugin } from './dispatcher-plugin.js';
+import { hashApiKey } from './security/api-key.js';
+
+const FUTURE = '2999-01-01T00:00:00Z';
+const RAW_EXMEMBER = 'osk_exmember_dispatcher_door';
+
+function qlWith() {
+    const tables: Record<string, any[]> = {
+        // Stamped org_A; the owner's ONLY current membership is org_B.
+        sys_api_key: [
+            { id: 'k_ex', key: hashApiKey(RAW_EXMEMBER), revoked: false, user_id: 'u_exmember', active_organization_id: 'org_A', expires_at: FUTURE },
+        ],
+        sys_member: [{ user_id: 'u_exmember', organization_id: 'org_B' }],
+        sys_user_permission_set: [], sys_permission_set: [],
+        sys_position: [], sys_position_permission_set: [], sys_user_position: [],
+    };
+    return {
+        async find(object: string, opts: any) {
+            const rows = tables[object] ?? [];
+            const where = opts?.where ?? {};
+            const matched = rows.filter((row) => {
+                for (const [k, v] of Object.entries(where)) {
+                    if (v !== null && typeof v === 'object') {
+                        if (Array.isArray((v as any).$in) && !(v as any).$in.includes(row[k])) return false;
+                        continue;
+                    }
+                    if ((v ?? null) !== (row[k] ?? null)) return false;
+                }
+                return true;
+            });
+            return typeof opts?.limit === 'number' ? matched.slice(0, opts.limit) : matched;
+        },
+    };
+}
+
+type Tenancy = 'healthy-isolated' | 'factory-throws' | 'unregistered';
+
+/** A REAL kernel, as the host would hand the dispatcher. */
+function kernelWith(tenancy: Tenancy): ObjectKernel {
+    // `gracefulShutdown: false` — a fixture kernel must not hook the test
+    // runner's process signals.
+    const kernel = new ObjectKernel({ skipSystemValidation: true, gracefulShutdown: false } as any);
+    kernel.registerService('objectql', qlWith());
+    if (tenancy === 'healthy-isolated') {
+        kernel.registerService('tenancy', { posture: 'isolated' });
+    } else if (tenancy === 'factory-throws') {
+        // The REAL failure class: the registry's own unbranded rejection.
+        kernel.registerServiceFactory('tenancy', () => {
+            throw new Error('tenancy backend unavailable');
+        });
+    }
+    // 'unregistered' → nothing: the branded not-registered rejection.
+    return kernel;
+}
+
+function dispatcherOn(kernel: ObjectKernel) {
+    return new HttpDispatcher(kernel, undefined, { enforceProjectMembership: false });
+}
+
+/** The context shape the plugin hands `dispatch()`: `{ request }`, nothing resolved yet. */
+function requestWith(headers: Record<string, string>): any {
+    return { request: { headers } };
+}
+
+/** Settle to the rejection, or to `undefined` when the call RESOLVED. */
+const rejectionOf = (p: Promise<unknown>) => p.then(() => undefined, (e) => e);
+
+// ---------------------------------------------------------------------------
+// §1 — the identity step (`resolveRequestScope`): what the door DERIVES
+// ---------------------------------------------------------------------------
+
+describe('[#13906 / 1A] HttpDispatcher.resolveRequestScope — the tenancy posture seam on the dispatcher wiring', () => {
+    it('POSITIVE CONTROL: a healthy `isolated` tenancy service reaches the resolver on THIS wiring — the ex-member key is refused (guest)', async () => {
+        const context = requestWith({ 'x-api-key': RAW_EXMEMBER });
+        await dispatcherOn(kernelWith('healthy-isolated')).resolveRequestScope(context, '/data/task');
+        // The membership refusal fires and the request resolves as a GUEST —
+        // this is what distinguishes "the refusal was skipped" (next test)
+        // from "the refusal never applied to this fixture".
+        expect(context.executionContext).toBeDefined();
+        expect(context.executionContext.userId).toBeUndefined();
+    });
+
+    it('REPAIRED: tenancy REGISTERED AND FAILING (factory throws) → the identity step raises AuthzStoreUnavailableError (503) — no longer an admitted principal', async () => {
+        // SUPERSEDED PIN, quoted — what origin/main answered on this wiring:
+        //     await dispatcher.resolveRequestScope(context, '/data/task');   // resolved
+        //     expect(context.executionContext.userId).toBe('u_exmember');    // admitted, full grants
+        // `resolveService` absorbed the factory's rejection into `undefined`,
+        // the resolver read that as "no posture", and the Layer 0 refusal
+        // never ran.
+        const context = requestWith({ 'x-api-key': RAW_EXMEMBER });
+        const err: any = await rejectionOf(dispatcherOn(kernelWith('factory-throws')).resolveRequestScope(context, '/data/task'));
+        expect(err, 'the identity step RESOLVED — the failed build read as "no wall"').toBeDefined();
+        expect(isAuthzStoreUnavailableError(err)).toBe(true);
+        expect(err.code).toBe('SERVICE_UNAVAILABLE');
+        expect(err.status).toBe(503);
+        expect(err.object).toBe('tenancy');
+        // Nothing was written on the context — an outage leaves no principal behind.
+        expect(context.executionContext).toBeUndefined();
+    });
+
+    it('SUPPORTED, unchanged: tenancy NEVER registered → quiet `undefined` posture, the key is admitted (the no-tenancy composition)', async () => {
+        // No wall exists here, and an org-stamped key working is by design.
+        // This is the composition a careless repair breaks; it must be
+        // byte-for-byte what it was.
+        const context = requestWith({ 'x-api-key': RAW_EXMEMBER });
+        await dispatcherOn(kernelWith('unregistered')).resolveRequestScope(context, '/data/task');
+        expect(context.executionContext.userId).toBe('u_exmember');
+        expect(context.executionContext.tenantId).toBe('org_A');
+    });
+
+    it('THE COLLAPSE IS ENDED: "registered and failed" and "never registered" no longer answer alike on this wiring', async () => {
+        const failedCtx = requestWith({ 'x-api-key': RAW_EXMEMBER });
+        const failed: any = await rejectionOf(dispatcherOn(kernelWith('factory-throws')).resolveRequestScope(failedCtx, '/data/task'));
+        const absentCtx = requestWith({ 'x-api-key': RAW_EXMEMBER });
+        await dispatcherOn(kernelWith('unregistered')).resolveRequestScope(absentCtx, '/data/task');
+        expect(isAuthzStoreUnavailableError(failed)).toBe(true);
+        expect(absentCtx.executionContext.userId).toBe('u_exmember');
+    });
+
+    it('every OTHER fault of the identity step still degrades to anonymous — only the branded outage is re-raised', async () => {
+        // The net around the identity step keeps its fail-closed shape for
+        // everything except the one class the ruling requires to stay loud:
+        // an engine whose `find` throws a plain Error is not an authz-store
+        // outage (the API-key lookup fails closed to "no key"), so the request
+        // resolves as a guest exactly as before.
+        const kernel = new ObjectKernel({ skipSystemValidation: true, gracefulShutdown: false } as any);
+        kernel.registerService('objectql', { find: async () => { throw new Error('plain engine fault'); } });
+        kernel.registerService('tenancy', { posture: 'isolated' });
+        const context = requestWith({ 'x-api-key': RAW_EXMEMBER });
+        await dispatcherOn(kernel).resolveRequestScope(context, '/data/task');
+        expect(context.executionContext).toBeDefined();
+        expect(context.executionContext.userId).toBeUndefined();
+    });
+});
+
+// ---------------------------------------------------------------------------
+// §2 — the door: the outage LEAVES `dispatch()` and reaches the envelope
+// ---------------------------------------------------------------------------
+
+describe('[#13906 / 1A] the outage reaches the transport envelope as 503 SERVICE_UNAVAILABLE', () => {
+    it('`dispatch()` re-raises the outage — no net inside the pipeline turns it back into an anonymous 200/401', async () => {
+        const err: any = await rejectionOf(
+            dispatcherOn(kernelWith('factory-throws')).dispatch('GET', '/data/task', undefined, {}, requestWith({ 'x-api-key': RAW_EXMEMBER })),
+        );
+        expect(err, '`dispatch()` RESOLVED — the outage was absorbed inside the pipeline').toBeDefined();
+        expect(err.code).toBe('SERVICE_UNAVAILABLE');
+        expect(err.status).toBe(503);
+    });
+
+    /** A fake `IHttpServer` recording the handlers the plugin mounts. */
+    function makeFakeServer() {
+        const handlers: Record<string, (req: any, res: any) => any> = {};
+        const rec = (verb: string) => (path: string, handler: any) => { handlers[`${verb} ${path}`] = handler; };
+        return {
+            handlers,
+            server: { get: rec('GET'), post: rec('POST'), put: rec('PUT'), delete: rec('DELETE'), patch: rec('PATCH') },
+        };
+    }
+
+    async function mountOn(kernel: ObjectKernel) {
+        const { server, handlers } = makeFakeServer();
+        const plugin = createDispatcherPlugin({ prefix: '/api/v1', securityHeaders: false });
+        await plugin.start?.({
+            getKernel: () => kernel,
+            getService: (n: string) => (n === 'http.server' ? server : undefined),
+            environmentId: undefined,
+            logger: { info() {}, warn() {}, error() {}, debug() {} },
+            hook: () => {}, on: () => {},
+        } as any);
+        return handlers;
+    }
+
+    async function drive(handler: (req: any, res: any) => any, req: any) {
+        expect(handler, 'route must be mounted').toBeTypeOf('function');
+        const res: any = {
+            statusCode: undefined, body: undefined,
+            status(c: number) { res.statusCode = c; return res; },
+            header() { return res; },
+            json(b: any) { res.body = b; return res; },
+            end() { return res; },
+        };
+        await handler(req, res);
+        return { status: res.statusCode as number, body: res.body };
+    }
+
+    // The wire route is `GET /automation` with the ex-member key, chosen by
+    // MEASUREMENT on the unrepaired tree so that each tenancy state answers
+    // differently and no domain-side 503 is in the way (`POST /keys` answers
+    // its own `503 Data service not available` against a fixture engine
+    // with no `insert`, so it cannot pin this seam):
+    //
+    //   tenancy service   | before (origin/main) | after
+    //   ------------------|----------------------|-------
+    //   healthy isolated  | 401 UNAUTHENTICATED  | 401 — the membership refusal, unchanged
+    //   never registered  | 501 NOT_IMPLEMENTED  | 501 — admitted, then "no automation service", unchanged
+    //   registered+FAILED | 501 NOT_IMPLEMENTED  | 503 SERVICE_UNAVAILABLE
+    //
+    // The 501 on the failed leg is the defect on the wire: byte-for-byte the
+    // "never registered" answer, i.e. the ex-member was ADMITTED.
+    const AUTOMATION = 'GET /api/v1/automation';
+    const withKey = { headers: { 'x-api-key': RAW_EXMEMBER }, query: {} };
+
+    it('POSITIVE CONTROL on the wire: healthy `isolated` tenancy → the ex-member key is refused on the anonymous floor (401)', async () => {
+        const handlers = await mountOn(kernelWith('healthy-isolated'));
+        const { status, body } = await drive(handlers[AUTOMATION], withKey);
+        expect(status).toBe(401);
+        expect(body?.error?.code).toBe('UNAUTHENTICATED');
+    });
+
+    it('REPAIRED on the wire (real route, real `errorResponseBase`): registered and FAILING → 503 with a declared `SERVICE_UNAVAILABLE` envelope', async () => {
+        // SUPERSEDED PIN, quoted — measured on origin/main:
+        //     expect(status).toBe(501);
+        //     expect(body?.error?.code).toBe('NOT_IMPLEMENTED');
+        const handlers = await mountOn(kernelWith('factory-throws'));
+        const { status, body } = await drive(handlers[AUTOMATION], withKey);
+        expect(status).toBe(503);
+        expect(BaseResponseSchema.safeParse(body).success).toBe(true);
+        expect(body?.success).toBe(false);
+        const parsed = ApiErrorSchema.safeParse(body?.error);
+        expect(parsed.error?.issues ?? []).toEqual([]);
+        expect(body?.error?.code).toBe('SERVICE_UNAVAILABLE');
+    });
+
+    it('THE COLLAPSE IS ENDED on the wire: never registered keeps its 501 (admitted, no automation service) — only the FAILED leg moved', async () => {
+        const handlers = await mountOn(kernelWith('unregistered'));
+        const { status, body } = await drive(handlers[AUTOMATION], withKey);
+        expect(status).toBe(501);
+        expect(body?.error?.code).toBe('NOT_IMPLEMENTED');
+    });
+
+    it('CONTROL on the wire: with tenancy never registered the same door serves — the no-tenancy composition is untouched', async () => {
+        const handlers = await mountOn(kernelWith('unregistered'));
+        const { status } = await drive(handlers['GET /api/v1/health'], { headers: {} });
+        expect(status).toBe(200);
+    });
+});