fix: details toggle UX, Edge Runtime warnings, minimatch CVE

- Keep show/hide details button in place when expanded (#18)
- Use i18n translations for details toggle text
- Split instrumentation for Edge Runtime compatibility
- Patch minimatch ReDoS (CVE-2026-27903)

instrumentation.ts

@@ -1,43 +1,5 @@
-import { readFileSync } from "fs";
-
-const VERSION_CHECK_URL =
-  "https://raw.githubusercontent.com/root-fr/jmap-webmail/main/VERSION";
-
-const SEMVER_RE = /^\d+\.\d+\.\d+$/;
-
-function compareVersions(current: string, remote: string): number {
-  const a = current.split(".").map(Number);
-  const b = remote.split(".").map(Number);
-  for (let i = 0; i < 3; i++) {
-    if ((b[i] ?? 0) > (a[i] ?? 0)) return 1;
-    if ((b[i] ?? 0) < (a[i] ?? 0)) return -1;
-  }
-  return 0;
-}
-
 export async function register() {
-  const pkg = JSON.parse(
-    readFileSync(`${process.cwd()}/package.json`, "utf-8")
-  );
-  const current: string = pkg.version ?? "0.0.0";
-  console.info(`JMAP Webmail v${current}`);
-
-  if (process.env.NODE_ENV !== "production") return;
-
-  try {
-    const res = await fetch(VERSION_CHECK_URL, {
-      cache: "no-store",
-      signal: AbortSignal.timeout(5000),
-    });
-    if (!res.ok) return;
-    const remote = (await res.text()).trim();
-    if (!SEMVER_RE.test(remote)) return;
-    if (compareVersions(current, remote) > 0) {
-      console.info(
-        `Update available: v${remote} — https://github.com/root-fr/jmap-webmail`
-      );
-    }
-  } catch {
-    // Network unavailable — not critical
+  if (process.env.NEXT_RUNTIME === "nodejs") {
+    await import("./instrumentation.node");
   }
 }