test(channels): align prerelease fallback catalog spec (#120092)

src/channels/plugins/contracts/channel-catalog.contract.test.ts

@@ -1,4 +1,7 @@
 // Channel catalog contract tests cover bundled and registry-backed channel catalog invariants.
+import fs from "node:fs";
+import path from "node:path";
+import { isPrereleaseSemverVersion } from "../../../infra/npm-registry-spec.js";
 import {
   describeBundledMetadataOnlyChannelCatalogContract,
   describeChannelCatalogEntryContract,
@@ -20,6 +23,22 @@ const whatsappMeta = {
   blurb: "works with your own number; recommend a separate phone + eSIM.",
 };
 
+const whatsappPackageJson = JSON.parse(
+  fs.readFileSync(path.join(process.cwd(), "extensions", "whatsapp", "package.json"), "utf8"),
+) as {
+  name?: string;
+  version?: string;
+  openclaw?: { install?: { npmSpec?: string } };
+};
+const whatsappNpmSpec = whatsappPackageJson.openclaw?.install?.npmSpec ?? whatsappPackageJson.name;
+const whatsappVersion = whatsappPackageJson.version;
+if (!whatsappNpmSpec || !whatsappVersion) {
+  throw new Error("missing package metadata for whatsapp");
+}
+const whatsappOfficialFallbackNpmSpec = isPrereleaseSemverVersion(whatsappVersion)
+  ? `${whatsappNpmSpec}@${whatsappVersion}`
+  : whatsappNpmSpec;
+
 describeBundledMetadataOnlyChannelCatalogContract({
   pluginId: "whatsapp",
   packageName: "@openclaw/whatsapp",
@@ -30,7 +49,7 @@ describeBundledMetadataOnlyChannelCatalogContract({
 
 describeOfficialFallbackChannelCatalogContract({
   channelId: "whatsapp",
-  npmSpec: "@openclaw/whatsapp",
+  npmSpec: whatsappOfficialFallbackNpmSpec,
   meta: whatsappMeta,
   packageName: "@openclaw/whatsapp",
   pluginId: "whatsapp",