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/wallet-fake.ts

@@ -19,6 +19,7 @@
  */
 
 import { mock } from "bun:test";
+import { makeUseShapeHook } from "./use-shape-fake";
 import { configure, storeRegistry } from "../src/index";
 import {
   configureStoreRegistry,
@@ -399,7 +400,7 @@ export function makeWallet(quads: Quad[], options: WalletOptions = {}): FakeWall
 /** Wire the library onto `quads` — what a page load does. */
 export function bootPage(quads: Quad[], options: WalletOptions = {}): FakeWallet {
   const ng = makeWallet(quads, options);
-  configure({ ng: ng as unknown as NgLike, useShape: (() => {}) as unknown as UseShapeLike });
+  configure({ ng: ng as unknown as NgLike, useShape: makeUseShapeHook().hook });
   configureStoreRegistry({ getSession: async () => SESSION, normalizeId: (id) => id.trim() });
   return ng;
 }