diff --git a/ui/src/i18n/lib/translate.ts b/ui/src/i18n/lib/translate.ts
index badd868956e..d092ccb62c8 100644
--- a/ui/src/i18n/lib/translate.ts
+++ b/ui/src/i18n/lib/translate.ts
@@ -33,7 +33,9 @@ class I18nManager {
   }
 
   public async setLocale(locale: Locale) {
-    if (this.locale === locale) return;
+    if (this.locale === locale) {
+      return;
+    }
 
     // Lazy load translations if needed
     if (!this.translations[locale]) {
@@ -75,7 +77,7 @@ class I18nManager {
 
   public t(key: string, params?: Record<string, string>): string {
     const keys = key.split(".");
-    let value: any = this.translations[this.locale] || this.translations["en"];
+    let value: unknown = this.translations[this.locale] || this.translations["en"];
 
     for (const k of keys) {
       if (value && typeof value === "object") {
diff --git a/ui/src/i18n/test/translate.test.ts b/ui/src/i18n/test/translate.test.ts
index 0a1916e434a..8d6f32ef2d6 100644
--- a/ui/src/i18n/test/translate.test.ts
+++ b/ui/src/i18n/test/translate.test.ts
@@ -1,4 +1,4 @@
-import { describe, it, expect, beforeEach, vi } from "vitest";
+import { describe, it, expect, beforeEach } from "vitest";
 import { i18n, t } from "../lib/translate.ts";
 
 describe("i18n", () => {
diff --git a/ui/src/ui/app-render.ts b/ui/src/ui/app-render.ts
index a05900c29c8..ef35489faca 100644
--- a/ui/src/ui/app-render.ts
+++ b/ui/src/ui/app-render.ts
@@ -1,7 +1,7 @@
 import { html, nothing } from "lit";
 import type { AppViewState } from "./app-view-state.ts";
 import { parseAgentSessionKey } from "../../../src/routing/session-key.js";
-import { t, i18n, type Locale } from "../i18n/index.ts";
+import { t } from "../i18n/index.ts";
 import { refreshChatAvatar } from "./app-chat.ts";
 import { renderUsageTab } from "./app-render-usage-tab.ts";
 import { renderChatControls, renderTab, renderThemeToggle } from "./app-render.helpers.ts";
diff --git a/ui/src/ui/views/overview.ts b/ui/src/ui/views/overview.ts
index f21f4b4a3fc..e9c4c312ec6 100644
--- a/ui/src/ui/views/overview.ts
+++ b/ui/src/ui/views/overview.ts
@@ -33,10 +33,14 @@ export function renderOverview(props: OverviewProps) {
     : t("common.na");
 
   const authHint = (() => {
-    if (props.connected || !props.lastError) return null;
+    if (props.connected || !props.lastError) {
+      return null;
+    }
     const lower = props.lastError.toLowerCase();
     const authFailed = lower.includes("unauthorized") || lower.includes("connect failed");
-    if (!authFailed) return null;
+    if (!authFailed) {
+      return null;
+    }
     const hasToken = Boolean(props.settings.token.trim());
     const hasPassword = Boolean(props.password.trim());
     if (!hasToken && !hasPassword) {
@@ -78,9 +82,13 @@ export function renderOverview(props: OverviewProps) {
   })();
 
   const insecureContextHint = (() => {
-    if (props.connected || !props.lastError) return null;
+    if (props.connected || !props.lastError) {
+      return null;
+    }
     const isSecureContext = typeof window !== "undefined" ? window.isSecureContext : true;
-    if (isSecureContext !== false) return null;
+    if (isSecureContext !== false) {
+      return null;
+    }
     const lower = props.lastError.toLowerCase();
     if (!lower.includes("secure context") && !lower.includes("device identity required")) {
       return null;