chore(release): v1.4.27

v1.4.27 — Mobile capability and maintainer-finding cleanup.

ResponsiveSheet primitive (bottom-sheet on narrow viewports, centred dialog on desktop)
applied to BD, Weight, Glucose, Mood, Activity forms. Maintainer-finding cleanups across
Coach, Insights, Reports, Privacy. GeoLite2 offline geocoding with resilience layer
(graceful fallback when EULA not yet propagated). E2E gap-fill coverage. 450-line
release notes attached to the GitHub Release.

src/app/api/settings/telegram/test/route.ts

@@ -5,6 +5,13 @@ import { sendTelegramMessage } from "@/lib/telegram";
 import { checkRateLimit } from "@/lib/rate-limit";
 import { apiHandler, requireAuth } from "@/lib/api-handler";
 import { annotate } from "@/lib/logging/context";
+import { defaultLocale, type Locale } from "@/lib/i18n/config";
+import { getServerTranslator } from "@/lib/i18n/server-translator";
+
+function isLocale(value: string | null | undefined): value is Locale {
+  return value === "de" || value === "en" || value === "fr" ||
+    value === "es" || value === "it" || value === "pl";
+}
 
 /**
  * Send a test Telegram message to verify the bot token and chat ID.
@@ -19,18 +26,27 @@ export const POST = apiHandler(async () => {
 
   const dbUser = await prisma.user.findUnique({
     where: { id: user.id },
-    select: { telegramBotToken: true, telegramChatId: true },
+    select: { telegramBotToken: true, telegramChatId: true, locale: true },
   });
 
   if (!dbUser?.telegramBotToken || !dbUser?.telegramChatId) {
     return apiError("Bot token and chat ID must be saved first", 422);
   }
 
+  // v1.4.27 F21 — the test body now reads from the user's persisted
+  // locale rather than the hardcoded English string. The route talks
+  // to `sendTelegramMessage` directly (it needs the boolean send
+  // result for the UI) so we compose the body via the server
+  // translator rather than going through the dispatcher.
+  const userLocale: Locale = isLocale(dbUser.locale)
+    ? dbUser.locale
+    : defaultLocale;
+  const t = getServerTranslator(userLocale).t;
   const botToken = decrypt(dbUser.telegramBotToken);
   const result = await sendTelegramMessage(
     botToken,
     dbUser.telegramChatId,
-    "HealthLog: Connection successful! Telegram notifications are active.",
+    t("notifications.user.telegramTestBody"),
   );
 
   if (!result.ok) {