@@ -0,0 +1,19 @@
+---
+'@object-ui/fields': patch
+'@object-ui/data-objectstack': patch
+---
+
+refactor(fields, data-objectstack)!: `UploadProvider` moves into `@object-ui/fields`, the ObjectStack upload adapter into `@object-ui/data-objectstack`, and `@object-ui/providers` is retired
+
+Clause-②: yes (narrowing) — `@object-ui/fields` gains `UploadProvider`, `useUpload`, `UploadProviderProps` and the three upload contract types, and `@object-ui/data-objectstack` gains `createObjectStackUploadAdapter` and `ObjectStackUploadAdapterOptions`; the whole `@object-ui/providers` package is retired, which takes `createS3Adapter`, `createAzureBlobAdapter`, their option types and the exported `createObjectUrlAdapter` with it.
+Metadata-protocol: none
+
+<!-- adr-0087: not-required (runtime-export-retired @object-ui/providers#*) the retired operand is a published ui package whose entry held a React upload context, its hook, four upload adapter factories and their TypeScript option and result types; no packages/spec schema, registered node type, ADR-0087 conversion surface or stored shape names any of them, so there is nothing for `objectstack migrate meta` to rewrite, and a consumer meets the move at its own import, where the compiler names the missing module -->
+
+**BREAKING.** `@object-ui/providers` is retired: `18.3.0` is its last published version, and it gets no further release. Its one remaining job was the upload context the file, image and avatar widgets of `@object-ui/fields` upload through, so that context now lives in `@object-ui/fields` itself, and the adapter that talks to an ObjectStack server's storage service lives in `@object-ui/data-objectstack`, beside the other fetch logic against that server. The upload contract the two share is `@object-ui/types`'.
+
+What leaves, and what to do:
+
+- FROM `@object-ui/providers` TO `@object-ui/fields` and `@object-ui/data-objectstack`: import `UploadProvider`, `useUpload` and the `UploadProviderProps`, `UploadAdapter`, `UploadOptions` and `UploadResult` types from `@object-ui/fields` (the three contract types also from `@object-ui/types`), and `createObjectStackUploadAdapter` with `ObjectStackUploadAdapterOptions` from `@object-ui/data-objectstack`, then drop the `@object-ui/providers` dependency. `createS3Adapter`, `createAzureBlobAdapter`, `S3AdapterOptions` and `AzureBlobAdapterOptions` had no consumer and leave with no replacement: a host that uploads to its own bucket writes an object with a `name` and an `upload(file, options)` method against the `UploadAdapter` type of `@object-ui/types` and hands it to `UploadProvider`. `createObjectUrlAdapter` is no longer exported: it stays the local `blob:` adapter `useUpload` falls back to when no `UploadProvider` is mounted.
+
+What does not change: `UploadProvider`, `useUpload` and `createObjectStackUploadAdapter` keep their signatures and behaviour, the presigned upload request is the same, and the widgets read the same context.
@@ -0,0 +1,10 @@
+---
+'@object-ui/types': patch
+---
+
+feat(types): `@object-ui/types` publishes the upload adapter contract, `UploadAdapter`, `UploadOptions` and `UploadResult`
+
+Clause-②: yes (widening)
+Metadata-protocol: none
+
+The three interfaces the file, image and avatar widgets upload through, unchanged in shape from the `@object-ui/providers` package they leave. They live here, as `DataSource` does, because `@object-ui/fields` (whose `UploadProvider` reads an adapter) and `@object-ui/data-objectstack` (whose `createObjectStackUploadAdapter` builds one) do not depend on each other. A host that writes its own adapter types it from here. Nothing existing changes.
@@ -114,7 +114,6 @@
       "@object-ui/plugin-timeline",
       "@object-ui/plugin-tree",
       "@object-ui/plugin-view",
-      "@object-ui/providers",
       "@object-ui/react",
       "@object-ui/react-runtime",
       "@object-ui/types"
 
@@ -467,7 +467,6 @@ Atoms and fields stay light; heavy widgets live in lazy-loaded plugins.
 | Package | Description |
 | :--- | :--- |
 | [`@object-ui/app-shell`](ui/packages/app-shell) | The Console's shell, views and Studio; a private workspace package, last published to npm as 18.2.0 |
-| [`@object-ui/providers`](ui/packages/providers) | The upload adapter context the file and image fields upload through |
 | [`@object-ui/auth`](ui/packages/auth) | `AuthProvider`, `useAuth`, `AuthGuard`, sign-in forms |
 | [`@object-ui/permissions`](ui/packages/permissions) | Object / field / row-level permission guards and hooks |
 | [`@object-ui/i18n`](ui/packages/i18n) | Language packs, RTL layout, date and currency formatting |
 
@@ -84,7 +84,6 @@
     "@object-ui/plugin-timeline": "workspace:*",
     "@object-ui/plugin-tree": "workspace:*",
     "@object-ui/plugin-view": "workspace:*",
-    "@object-ui/providers": "workspace:*",
     "@object-ui/react": "workspace:*",
     "@object-ui/test-support": "workspace:*",
     "@object-ui/types": "workspace:*",
 
@@ -16,7 +16,8 @@ import { lazy, Suspense, useCallback, useEffect, useMemo } from 'react';
 import { BrowserRouter, Routes, Route, Navigate, Outlet, matchPath, useLocation, useNavigate } from 'react-router-dom';
 import { useNativeHostRouting } from '@object-ui/mobile';
 import { AuthProvider, useAuth, createAuthenticatedFetch } from '@object-ui/auth';
-import { UploadProvider, createObjectStackUploadAdapter } from '@object-ui/providers';
+import { UploadProvider } from '@object-ui/fields';
+import { createObjectStackUploadAdapter } from '@object-ui/data-objectstack';
 import { DevMasterDetail } from './dev/DevMasterDetail';
 import { DevLists } from './dev/DevLists';
 import { DevModal } from './dev/DevModal';
 
@@ -81,10 +81,10 @@ const { adapterOptions, uploadSpy, passthrough, stub, MINTED_FILE_ID } = vi.hois
   return { adapterOptions, uploadSpy, passthrough, stub, MINTED_FILE_ID };
 });
 
-// The console's OWN adapter factory, replaced by a spy that mints a `sys_file`
-// id. `UploadProvider` / `useUpload` stay real — the context lookup is the
-// thing under test.
-vi.mock('@object-ui/providers', async (importOriginal) => ({
+// The console's OWN adapter factory (`@object-ui/data-objectstack`), replaced by
+// a spy that mints a `sys_file` id. `UploadProvider` / `useUpload`
+// (`@object-ui/fields`) stay real — the context lookup is the thing under test.
+vi.mock('@object-ui/data-objectstack', async (importOriginal) => ({
   ...(await importOriginal<Record<string, unknown>>()),
   createObjectStackUploadAdapter: (opts: Record<string, unknown>) => {
     adapterOptions.push(opts);
 
@@ -30,7 +30,7 @@ import { describe, expect, it, vi, beforeEach, afterEach } from 'vitest';
 import { render, screen, waitFor, cleanup } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
 import { MemoryRouter, Route, Routes } from 'react-router-dom';
-import { UploadProvider } from '@object-ui/providers';
+import { UploadProvider } from '@object-ui/fields';
 import { createI18n } from '@object-ui/i18n';
 import { FormPage } from './FormPage';
 
 
@@ -31,7 +31,7 @@ import { render, screen, waitFor, cleanup } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
 import { MemoryRouter, Route, Routes } from 'react-router-dom';
 import { createI18n } from '@object-ui/i18n';
-import { UploadProvider } from '@object-ui/providers';
+import { UploadProvider } from '@object-ui/fields';
 import { FormPage } from './FormPage';
 
 const { toastError } = vi.hoisted(() => ({ toastError: vi.fn() }));