fix(site): route plugin detail pages through worker shell

docs/lib/worker.test.ts

@@ -1,7 +1,19 @@
 import assert from "node:assert/strict";
+import { readFileSync } from "node:fs";
 import { test } from "vitest";
 import { issueRedirectPath, pluginDetailShellRequest, sanitizeReturnTo, signPayload, staticAssetCacheControl, verifySignedPayload } from "../worker";
 
+test("plugin detail shell routes are routed to the worker before static 404 handling", () => {
+  const wrangler = JSON.parse(readFileSync(new URL("../wrangler.json", import.meta.url), "utf8"));
+  const runWorkerFirst: string[] = wrangler.assets.run_worker_first;
+  for (const prefix of ["/cn/plugins", "/en/plugins"]) {
+    assert.ok(
+      runWorkerFirst.includes(`${prefix}/*`),
+      `${prefix}/* missing from run_worker_first; the asset layer would serve the static 404 before the worker shell fallback runs`,
+    );
+  }
+});
+
 test("signed OAuth payloads round-trip and reject tampering", async () => {
   const signed = await signPayload({ login: "dbx-user" }, "test-secret");
   assert.deepEqual(await verifySignedPayload<{ login: string }>(signed, "test-secret"), { login: "dbx-user" });

docs/wrangler.json

@@ -8,6 +8,8 @@
     "not_found_handling": "404-page",
     "run_worker_first": [
       "/api/*",
+      "/cn/plugins/*",
+      "/en/plugins/*",
       "/tr",
       "/tr/*",
       "/issue",