objectstack-ai
diff --git a/‎.changeset/21476-public-form-intake-advisory.md‎
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diff --git a/‎content/docs/deployment/validating-metadata.mdx‎
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diff --git a/‎content/docs/ui/forms.mdx‎
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diff --git a/‎packages/metadata-core/src/anonymous-form-intake.test.ts‎
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@@ -0,0 +1,15 @@
+---
+'@objectstack/metadata-core': minor
+'@objectstack/metadata-protocol': patch
+'@objectstack/rest': patch
+---
+
+Public forms on a walled tenancy posture: saving or publishing a view whose public form cannot take anonymous intake now tells the author why, on the response.
+
+Clause-②: yes (widening)
+
+On a walled posture (`group` or `isolated` in force), an open public form whose object is walled by an organization column cannot take an anonymous submission: the submission carries no organization, and an insert without one into a walled object is refused. The two anonymous form endpoints already answer such a form as a withdrawn one (`404 FORM_NOT_FOUND`), and the administrator's read of the view (`GET /meta/view/:name`) already states why in `_diagnostics.warnings`.
+
+- **`@objectstack/metadata-protocol`**: saving the view (`PUT /meta/view/:name`) or publishing its draft (`POST /meta/view/:name/publish`, and a package's batch publish) now answers success with one `warning` advisory per such form, under `advisories`, with rule `public-form-intake-unavailable`. It is located at the form's `sharing` (for example `views[0].formViews.contact.sharing`), its `message` is the same text the administrator's read states, and its `hint` is the remedy: if the object's rows belong to no organization, declare `tenancy: { enabled: false }` on it. The write is never refused. The advisory reads the posture in force from the `tenancy` service, which is what the anonymous endpoints read: a single-posture deployment, a deployment whose walled posture is degraded to `single`, a deployment with no tenancy service, and a form bound to a tenancy-disabled object get no advisory, and a draft save is not judged. The publish refusal for an unstamped platform schedule flow still reads the requested posture, as before.
+- **`@objectstack/metadata-core`**: the intake-availability rule moved here from `@objectstack/rest` and is exported, so the anonymous endpoints, the administrator's read and the publish advisory read one answer: `anonymousFormIntakeUnavailability(object, posture, readObjectSchema)` (`null` when the form can take intake, otherwise the object, the posture and the wall column; it judges the object's effective schema, with the injected `organization_id`), `anonymousFormIntakePosture(tenancy)` (the posture in force, as a tenancy service reports it), `anonymousFormIntakeUnavailableMessage` and `anonymousFormIntakeUnavailableRemedy` (the reason and its remedy), `anonymousFormSharingPath` and `anonymousFormObjectName`, and the type `AnonymousFormIntakeUnavailable`.
+- **`@objectstack/rest`**: the anonymous form endpoints and the administrator's read import that rule instead of holding their own copy. Their answers are unchanged.
@@ -478,6 +478,7 @@ orthogonal to both, and no cell here can carry it; it is written out in
 | Declared enforcement that cannot run, **declared on the object being written** — a validation rule's regex / JSON Schema (#4762) and its `format` names (#5178) | ✓ | ✓ | ✓ | ✓ᵒ |
 | Declared enforcement that cannot run, **declared on another collection** — sharing-rule conditions (#4698), row-level-security predicates (#4983) | ✓ | ✓ | ✓ | — |
 | Platform-schedule `create_record` organization (#6285) | — | — | — | ✓ᶠ |
+| Public-form anonymous intake on this deployment's tenancy posture — advisory only (#21476) | — | — | — | ✓ᵛ |
 | Autonumber `{field}` interpolation | ✓ | ✓ | ✓ | ✓ᵒ |
 | View references — form targets, view-key collisions (#2554) | ✓ | ✓ | ✓ | — |
 | Flow authoring anti-patterns (#1874) | ✓ | ✓ | ✓ | ✓ᶠ |
@@ -594,11 +595,17 @@ The fourth door does not weaken that, because it is held to the CLI's verdicts
 rather than to its own: a test fails if a rule runs at the runtime publish gate
 but not on `os build` — the two publish verbs must not disagree. What that
 column narrows is which *types* it judges, never which *verdict* it reaches. The
-one deliberate exception is the platform-schedule row (#6285), runtime-only by ruling:
-both of its inputs are facts about the **deployment** (the organization this
-write lands in, and whether this deployment walls organizations), and a build
-machine's environment is a false signal for them — so `os build` must not judge
-it at all.
+deliberate exceptions are the two rows whose inputs are facts about the
+**deployment**, and a build machine's environment is a false signal for those —
+so `os build` must not judge them at all. The platform-schedule row (#6285) is
+runtime-only by ruling: its inputs are the organization this write lands in and
+whether this deployment walls organizations. The public-form intake row (#21476)
+reads the tenancy posture **in force**: on a walled posture, an open public form
+whose object is walled by an organization column cannot take an anonymous
+submission, so the anonymous form endpoints do not offer it, and a save or
+publish of the view answers success with a `public-form-intake-unavailable`
+warning in `advisories`, located at the form's `sharing`. It never refuses the
+write.
 
 Some rows are deliberately not universal across the three commands, and each is
 one-directional (none lets a stack through a gate another command enforces):
 
@@ -100,6 +100,7 @@ export default defineView({
 > - Anything not in the `sections[].fields[]` whitelist is silently stripped at submit time. Treat the whitelist as the form's authoritative "what the public is allowed to set" list.
 > - A form whose sections declare **no** fields collects nothing, so the submit is **refused** (`400 VALIDATION_ERROR`) rather than accepting whatever the caller sent (#6920). Its `GET /forms/:slug` publishes no schema either (#6601) — declare the fields and both planes come alive together.
 > - Multiple form views per object are fine — only the one(s) with `sharing.enabled === true` and `sharing.allowAnonymous === true` are exposed.
+> - On a **walled** tenancy posture (`group` or `isolated` in force), a form whose object is walled by an organization column is **not offered**. An anonymous submission carries no organization, and an insert without one into a walled object is refused, so both anonymous endpoints answer the form exactly as they answer a withdrawn one (`404 FORM_NOT_FOUND`). The administrator is told why, at the form's `sharing`: the view's read (`GET /api/v1/meta/view/:name`) carries it in `_diagnostics.warnings`, and a save or publish of the view answers success with a `public-form-intake-unavailable` warning in `advisories`. If the object's rows belong to no organization, declare `tenancy: { enabled: false }` on it and the form is offered again.
 
 ## 2. (Optional) Create the `guest_portal` permission set
 
 
@@ -4,8 +4,14 @@ import { describe, it, expect } from 'vitest';
 import { SharingConfigSchema } from '@objectstack/spec/ui';
 import {
     anonymousFormIntakeCandidates,
+    anonymousFormIntakePosture,
     anonymousFormIntakeSlug,
     anonymousFormIntakeSlugs,
+    anonymousFormIntakeUnavailability,
+    anonymousFormIntakeUnavailableMessage,
+    anonymousFormIntakeUnavailableRemedy,
+    anonymousFormObjectName,
+    anonymousFormSharingPath,
     publicFormSlug,
 } from './anonymous-form-intake.js';
 
@@ -79,3 +85,102 @@ describe('anonymousFormIntakeCandidates / anonymousFormIntakeSlugs — the three
         expect(publicFormSlug('//forms/x')).toBe('x');
     });
 });
+
+// [#21476] Whether an open form can take an anonymous submission on this
+// posture — the one predicate both anonymous doors, the admin read and the
+// runtime authoring gate's advisory read.
+describe('anonymousFormIntakeUnavailability — the intake-availability predicate', () => {
+    /** The object as a served document carries it: the registry injects `organization_id`. */
+    const served = (extra: Record<string, unknown> = {}) => ({
+        name: 'inquiry',
+        fields: { organization_id: { type: 'lookup', reference: 'sys_organization' }, email: { type: 'text' } },
+        ...extra,
+    });
+    /** The same object as a stored or pending body carries it: declared fields only. */
+    const raw = (extra: Record<string, unknown> = {}) => ({ name: 'inquiry', fields: { email: { type: 'text' } }, ...extra });
+
+    it.each(['isolated', 'group'] as const)("'%s': a walled object is unavailable, naming the object, the posture and the column", (posture) => {
+        expect(anonymousFormIntakeUnavailability('inquiry', posture, () => served()))
+            .toEqual({ object: 'inquiry', posture, tenantField: 'organization_id' });
+    });
+
+    it('judges the EFFECTIVE schema: a stored body with no declared organization_id is walled all the same', () => {
+        expect(anonymousFormIntakeUnavailability('inquiry', 'isolated', () => raw()))
+            .toEqual({ object: 'inquiry', posture: 'isolated', tenantField: 'organization_id' });
+    });
+
+    it('a declared tenancy.tenantField the object really has is the column named', () => {
+        const schema = served({ tenancy: { tenantField: 'company_id' }, fields: { company_id: { type: 'text' } } });
+        expect(anonymousFormIntakeUnavailability('inquiry', 'isolated', () => schema)?.tenantField).toBe('company_id');
+    });
+
+    it.each<[string, unknown]>([
+        ['tenancy: { enabled: false } (ADR-0066)', served({ tenancy: { enabled: false } })],
+        ['an object the universe does not hold', undefined],
+        ['an object with no fields record and no wall', { name: 'inquiry', systemFields: false }],
+    ])('CONTROL, walled posture — %s: available', (_label, schema) => {
+        expect(anonymousFormIntakeUnavailability('inquiry', 'isolated', () => schema)).toBeNull();
+    });
+
+    it.each<[string, 'single' | undefined]>([
+        ["the 'single' posture", 'single'],
+        ['no tenancy service (no posture)', undefined],
+    ])('CONTROL — %s: available, and the object is never read', (_label, posture) => {
+        let reads = 0;
+        expect(anonymousFormIntakeUnavailability('inquiry', posture, () => { reads += 1; return served(); })).toBeNull();
+        expect(reads).toBe(0);
+    });
+
+    it('an asynchronous reader gets a promise when a wall is in force, and null without reading otherwise', async () => {
+        const walled = anonymousFormIntakeUnavailability('inquiry', 'group', async () => served());
+        expect(walled).toBeInstanceOf(Promise);
+        expect(await walled).toEqual({ object: 'inquiry', posture: 'group', tenantField: 'organization_id' });
+        expect(anonymousFormIntakeUnavailability('inquiry', 'single', async () => served())).toBeNull();
+    });
+});
+
+describe('anonymousFormIntakePosture — the posture IN FORCE, as the tenancy service reports it', () => {
+    it('reads `posture`, never `requestedPosture`: a degraded walled request is single', () => {
+        expect(anonymousFormIntakePosture({ posture: 'single', requestedPosture: 'isolated' })).toBe('single');
+        expect(anonymousFormIntakePosture({ posture: 'group' })).toBe('group');
+        expect(anonymousFormIntakePosture({ posture: 'multi' })).toBe('isolated');
+    });
+
+    it('no service, or no recognisable posture: undefined', () => {
+        for (const tenancy of [undefined, null, {}, { posture: 'walled' }, 'isolated']) {
+            expect(anonymousFormIntakePosture(tenancy)).toBeUndefined();
+        }
+    });
+});
+
+describe('where the reason is located, and the reason itself', () => {
+    it('anonymousFormSharingPath: form.sharing, formViews.KEY.sharing, config.sharing', () => {
+        const view = {
+            name: 'inquiry.contact',
+            form: { sharing: { ...OPEN, publicLink: '/forms/nested' } },
+            formViews: { contact: { sharing: { ...OPEN, publicLink: '/forms/a' } } },
+            viewKind: 'form',
+            config: { sharing: { ...OPEN, publicLink: '/forms/flat' } },
+        };
+        expect(anonymousFormIntakeCandidates(view).map((c) => anonymousFormSharingPath(view, c)))
+            .toEqual(['form.sharing', 'formViews.contact.sharing', 'config.sharing']);
+    });
+
+    it('anonymousFormObjectName: the form\'s own data.object first, then the view\'s', () => {
+        const view = { object: 'v_obj', list: { data: { object: 'list_obj' } } };
+        expect(anonymousFormObjectName(view, { data: { object: 'form_obj' } })).toBe('form_obj');
+        expect(anonymousFormObjectName(view, {})).toBe('list_obj');
+        expect(anonymousFormObjectName({ object: 'v_obj' }, {})).toBe('v_obj');
+        expect(anonymousFormObjectName(undefined, undefined)).toBeUndefined();
+    });
+
+    it('the message names the slug, the object, the column and the posture, and ends with the remedy', () => {
+        const u = { object: 'inquiry', posture: 'isolated' as const, tenantField: 'organization_id' };
+        const message = anonymousFormIntakeUnavailableMessage('contact-us', u);
+        for (const named of ["'/forms/contact-us'", "'inquiry'", "'organization_id'", "'isolated'"]) {
+            expect(message).toContain(named);
+        }
+        expect(anonymousFormIntakeUnavailableRemedy(u)).toContain('tenancy: { enabled: false }');
+        expect(message.endsWith(` ${anonymousFormIntakeUnavailableRemedy(u)}`)).toBe(true);
+    });
+});