chore: les dix injections de useShape passent par le faux partage

Dix sites, pas les deux que le suivi annoncait : `(() => {}) as unknown as
UseShapeLike` survivait la ou le type etait encore `any` et ou le cast ne
disait donc rien. Ils prennent le faux partage, sans cast.

packages/polyfill/test/orm.test.ts

@@ -22,6 +22,7 @@
  * another's document is decided by the system rather than by a variable in this file.
  */
 import { test, expect, mock, afterEach } from "bun:test";
+import { makeUseShapeHook } from "./use-shape-fake";
 import { configure, getObjects, insertObject, initNg, storeRegistry } from "../src/index";
 import { makeNg } from "../src/surface/ng-proxy";
 import {
@@ -179,7 +180,7 @@ function inject(orm?: OrmDouble) {
   const ng = makeFakeNg();
   configure({
     ng: ng as unknown as NgLike,
-    useShape: (() => {}) as unknown as UseShapeLike,
+    useShape: makeUseShapeHook().hook,
     ...(orm ? { getObjects: orm.getObjects, insertObject: orm.insertObject } : {}),
   });
   configureStoreRegistry({ getSession: async () => SESSION });
@@ -397,7 +398,7 @@ test("initNg hands the ORM this package's wrapped ng, not the argument", async (
   const raw = { marker: "the raw SDK object" };
   configure({
     ng: ng as unknown as NgLike,
-    useShape: (() => {}) as unknown as UseShapeLike,
+    useShape: makeUseShapeHook().hook,
     initNg: (...a: unknown[]) => void seen.push(...a),
   });
   configureStoreRegistry({ getSession: async () => SESSION });