feat: execute route and release recovery contracts

tests/unit/runtime-adapters.test.js

@@ -13,6 +13,7 @@ const runtime = {
     AUTH_MODE: "demo",
     REQUEST_TIMEOUT_MS: 4321,
     MAX_RETRY_ATTEMPTS: 0,
+    RELEASE_MANIFEST_URL: "/release-manifest.json",
   },
 };
 const release = /** @type {const} */ ({
@@ -25,6 +26,7 @@ const release = /** @type {const} */ ({
   assetManifestHash: "hash-a",
   releaseId: "release-a",
   builtAt: "2026-07-25T00:00:00Z",
+  routeChunks: { "route-home": "assets/home.js" },
 });
 
 describe("runtime adapter composition", () => {
@@ -59,6 +61,34 @@ describe("runtime adapter composition", () => {
     expect(adapters.outputPorts.session.getState()).toBe("integration-failed");
   });
 
+  it("refetches the active release manifest with no-store semantics", async () => {
+    const activeRelease = {
+      ...release,
+      buildId: "build-b",
+      releaseId: "release-b",
+      routeChunks: { "route-home": "assets/home-b.js" },
+    };
+    const fetcher = vi.fn(async () => Response.json(activeRelease));
+    const adapters = await createRuntimeAdapters({
+      runtime:
+        /** @type {Parameters<typeof createRuntimeAdapters>[0]["runtime"]} */ (
+          runtime
+        ),
+      release,
+      fetcher,
+      host: {},
+    });
+
+    await expect(adapters.outputPorts.releaseInfo.refresh()).resolves.toMatchObject({
+      buildId: "build-b",
+      releaseId: "release-b",
+    });
+    expect(fetcher).toHaveBeenCalledWith("/release-manifest.json", {
+      cache: "no-store",
+      headers: { Accept: "application/json" },
+    });
+  });
+
   it("injects runtime timeout and max-attempt policy into HTTP execution", async () => {
     const scheduled =
       /** @type {Array<{callback: () => void, milliseconds: number}>} */ ([]);