diff --git a/app/i18n.sync.json b/app/i18n.sync.json
index 5a37c5ac..53fe6813 100644
--- a/app/i18n.sync.json
+++ b/app/i18n.sync.json
@@ -29,10 +29,6 @@
       "list.running_of": "dafe09b6ae07",
       "list.slots_free": "aa856cbf3070",
       "list.title": "279b44d2ab4b",
-      "relative_time.days": "a41234397f3c",
-      "relative_time.hours": "520c737ea624",
-      "relative_time.just_now": "7ddb44d8a533",
-      "relative_time.minutes": "0a03167c208c",
       "restart_stage.almost_body": "cc88c514c77b",
       "restart_stage.almost_title": "0ceb8f97a4cc",
       "restart_stage.deploying_body": "4cc2d4111a84",
@@ -59,6 +55,33 @@
       "chat.starter_hint": "76085886cbdf",
       "chat.you": "08b041935798"
     },
+    "chat:ru": {
+      "history.empty_cta": "9c6a7d961b50",
+      "history.empty_hint": "3f95b708f4a5",
+      "history.empty_title": "0d60084f056e",
+      "history.lede": "7865d148c397",
+      "history.sync": "8d261a372fde",
+      "history.syncing": "8a046cc90ab0",
+      "history.title": "0e7696009337",
+      "message.helpful": "63c432db3ebb",
+      "message.hide": "ac20a57bfde0",
+      "message.not_helpful": "3c4ebf31165b",
+      "message.show": "0df6f1cad36c",
+      "message.summarized": "4ad03ef5cd63",
+      "session.export": "3664895579f0",
+      "session.fallback_title": "ccca18175753",
+      "session.insights_title": "97bd413b2e35",
+      "session.last_activity": "133983b2edcf",
+      "session.load_older": "2fd15b734915",
+      "session.loading": "ba3bbbe10d8b",
+      "session.message_count": "ff43d682a3fb",
+      "session.no_messages": "1e56e882e6e4",
+      "session.no_summary": "f098ecd68006",
+      "session.not_found_hint": "ca81b79f7f6d",
+      "session.not_found_title": "d8e4dcef4f3d",
+      "session.resolved": "dc676b428599",
+      "session.unresolved": "27a888c9d5e6"
+    },
     "common:ru": {
       "app_name": "d64517995073",
       "auth.sign_in": "bfd402b2f6f3",
@@ -105,6 +128,10 @@
       "nav.agents": "279b44d2ab4b",
       "nav.history": "0e7696009337",
       "nav.templates": "56b564b75c7f",
+      "relative_time.days": "a41234397f3c",
+      "relative_time.hours": "520c737ea624",
+      "relative_time.just_now": "7ddb44d8a533",
+      "relative_time.minutes": "0a03167c208c",
       "steps.chat_body": "8f80dfeff166",
       "steps.chat_title": "e5e09a778387",
       "steps.deploy_body": "e358d64527e3",
diff --git a/app/slices/agent/i18n/locales/en.json b/app/slices/agent/i18n/locales/en.json
index b8e3bb31..ed00b5c9 100644
--- a/app/slices/agent/i18n/locales/en.json
+++ b/app/slices/agent/i18n/locales/en.json
@@ -50,11 +50,5 @@
     "starting_body": "The container is pulling and initialising.",
     "almost_title": "Almost ready…",
     "almost_body": "Waiting for the agent to come online."
-  },
-  "relative_time": {
-    "just_now": "just now",
-    "minutes": "{count}m ago",
-    "hours": "{count}h ago",
-    "days": "{count}d ago"
   }
 }
diff --git a/app/slices/agent/i18n/locales/ru.json b/app/slices/agent/i18n/locales/ru.json
index 079bf59d..e58b1c13 100644
--- a/app/slices/agent/i18n/locales/ru.json
+++ b/app/slices/agent/i18n/locales/ru.json
@@ -50,11 +50,5 @@
     "starting_body": "Контейнер загружается и инициализируется.",
     "almost_title": "Почти готово…",
     "almost_body": "Ожидание выхода агента в сеть."
-  },
-  "relative_time": {
-    "just_now": "только что",
-    "minutes": "{count} мин назад",
-    "hours": "{count} ч назад",
-    "days": "{count} дн назад"
   }
 }
diff --git a/app/slices/chat/components/chat/detail/Provider.vue b/app/slices/chat/components/chat/detail/Provider.vue
index ab8d2117..6782d20f 100644
--- a/app/slices/chat/components/chat/detail/Provider.vue
+++ b/app/slices/chat/components/chat/detail/Provider.vue
@@ -82,9 +82,11 @@ onMounted(() => {
   }
 });
 
-const heading = computed(() => session.value?.title?.trim() || 'Conversation');
+const { locale } = useI18n();
+
+const heading = computed(() => session.value?.title?.trim() || null);
 function fmt(iso?: string | null): string {
-  return iso ? new Date(iso).toLocaleString() : '—';
+  return iso ? new Date(iso).toLocaleString(locale.value) : '—';
 }
 
 const sentimentVariant: Record<string, 'default' | 'secondary' | 'outline' | 'destructive'> = {
@@ -101,7 +103,7 @@ const sentimentVariant: Record<string, 'default' | 'secondary' | 'outline' | 'de
       to="/chats"
       class="inline-flex items-center gap-1 text-sm text-muted-foreground hover:text-foreground"
     >
-      <Icon name="arrow-left" :size="16" /> History
+      <Icon name="arrow-left" :size="16" /> {{ $t('history.title') }}
     </NuxtLink>
 
     <!-- Not found / not owned -->
@@ -109,28 +111,42 @@ const sentimentVariant: Record<string, 'default' | 'secondary' | 'outline' | 'de
       v-if="!session && !sessionPending"
       class="rounded-xl border border-dashed bg-card/40 p-12 text-center"
     >
-      <h2 class="text-base font-semibold">Conversation not found</h2>
+      <h2 class="text-base font-semibold">{{ $t('session.not_found_title') }}</h2>
       <p class="mt-1 text-sm text-muted-foreground">
-        It may have been removed, or it isn't one of yours.
+        {{ $t('session.not_found_hint') }}
       </p>
     </div>
 
     <template v-else-if="session">
       <!-- Meta header -->
       <div class="rounded-md border bg-card p-4">
-        <span class="text-lg font-semibold">{{ heading }}</span>
+        <span class="text-lg font-semibold">
+          {{ heading ?? $t('session.fallback_title') }}
+        </span>
         <div
           class="mt-1 flex flex-wrap gap-x-4 gap-y-1 text-xs text-muted-foreground"
         >
-          <span>{{ session.messageCount }} messages</span>
-          <span>Last activity {{ fmt(session.lastMessageAt) }}</span>
+          <span>
+            {{
+              $t(
+                'session.message_count',
+                { count: session.messageCount },
+                session.messageCount,
+              )
+            }}
+          </span>
+          <span>
+            {{ $t('session.last_activity', { when: fmt(session.lastMessageAt) }) }}
+          </span>
         </div>
 
         <!-- LLM gist: summary + insights -->
         <div class="mt-3 rounded bg-muted/40 p-3">
         <div class="flex items-center justify-between gap-2">
           <div class="flex flex-wrap items-center gap-1.5">
-            <span class="text-xs font-medium text-muted-foreground">Summary &amp; insights</span>
+            <span class="text-xs font-medium text-muted-foreground">
+              {{ $t('session.insights_title') }}
+            </span>
             <!-- sentiment / resolved / language sit by the header, apart from topics -->
             <template v-if="session.insights">
               <Badge
@@ -140,7 +156,7 @@ const sentimentVariant: Record<string, 'default' | 'secondary' | 'outline' | 'de
                 {{ session.insights.sentiment }}
               </Badge>
               <Badge variant="outline" class="capitalize">
-                {{ session.insights.resolved ? 'resolved' : 'unresolved' }}
+                {{ $t(session.insights.resolved ? 'session.resolved' : 'session.unresolved') }}
               </Badge>
               <Badge variant="outline" class="capitalize">
                 {{ session.insights.language }}
@@ -152,7 +168,7 @@ const sentimentVariant: Record<string, 'default' | 'secondary' | 'outline' | 'de
           {{ session.summary }}
         </p>
         <p v-else class="mt-2 text-sm text-muted-foreground">
-          No summary yet
+          {{ $t('session.no_summary') }}
         </p>
         <!-- Topic tags only -->
         <div
@@ -173,7 +189,7 @@ const sentimentVariant: Record<string, 'default' | 'secondary' | 'outline' | 'de
 
       <!-- Export controls -->
       <div class="flex items-center justify-end gap-1.5">
-        <span class="text-xs text-muted-foreground">Export</span>
+        <span class="text-xs text-muted-foreground">{{ $t('session.export') }}</span>
         <button
           v-for="f in (['json', 'markdown', 'csv'] as ChatExportFormat[])"
           :key="f"
@@ -197,7 +213,7 @@ const sentimentVariant: Record<string, 'default' | 'secondary' | 'outline' | 'de
             :disabled="loading"
             @click="loadOlder"
           >
-            {{ loading ? 'Loading…' : 'Load older' }}
+            {{ $t(loading ? 'session.loading' : 'session.load_older') }}
           </button>
         </div>
 
@@ -205,7 +221,7 @@ const sentimentVariant: Record<string, 'default' | 'secondary' | 'outline' | 'de
           v-if="!messages.length && !loading"
           class="py-10 text-center text-sm text-muted-foreground"
         >
-          No messages in this conversation.
+          {{ $t('session.no_messages') }}
         </div>
 
         <ChatMessageBubble
diff --git a/app/slices/chat/components/chat/list/Card.vue b/app/slices/chat/components/chat/list/Card.vue
index 6f200fdb..66b536dd 100644
--- a/app/slices/chat/components/chat/list/Card.vue
+++ b/app/slices/chat/components/chat/list/Card.vue
@@ -10,20 +10,20 @@ const heading = computed(() => {
   if (t) return t;
   const s = props.session.summary?.trim();
   if (s) return s.length > 80 ? `${s.slice(0, 80)}…` : s;
-  return 'Conversation';
+  return null;
 });
 
-const relative = computed(() => {
+const relative = computed<{ key: string; count: number } | null>(() => {
   const ts = Date.parse(props.session.lastMessageAt);
   if (Number.isNaN(ts)) return null;
   const diff = Date.now() - ts;
   const minute = 60_000;
   const hour = 60 * minute;
   const day = 24 * hour;
-  if (diff < minute) return 'just now';
-  if (diff < hour) return `${Math.floor(diff / minute)}m ago`;
-  if (diff < day) return `${Math.floor(diff / hour)}h ago`;
-  return `${Math.floor(diff / day)}d ago`;
+  if (diff < minute) return { key: 'relative_time.just_now', count: 0 };
+  if (diff < hour) return { key: 'relative_time.minutes', count: Math.floor(diff / minute) };
+  if (diff < day) return { key: 'relative_time.hours', count: Math.floor(diff / hour) };
+  return { key: 'relative_time.days', count: Math.floor(diff / day) };
 });
 </script>
 
@@ -39,7 +39,9 @@ const relative = computed(() => {
         <Icon name="message-square" :size="18" />
       </div>
       <div class="min-w-0 flex-1">
-        <h3 class="truncate text-base font-semibold">{{ heading }}</h3>
+        <h3 class="truncate text-base font-semibold">
+          {{ heading ?? $t('session.fallback_title') }}
+        </h3>
         <p
           v-if="session.preview"
           class="mt-0.5 truncate text-xs text-muted-foreground"
@@ -54,10 +56,17 @@ const relative = computed(() => {
     >
       <span class="inline-flex items-center gap-1">
         <Icon name="messages-square" :size="12" class="-mt-0.5" />
-        {{ session.messageCount }}
-        {{ session.messageCount === 1 ? 'message' : 'messages' }}
+        {{
+          $t(
+            'session.message_count',
+            { count: session.messageCount },
+            session.messageCount,
+          )
+        }}
+      </span>
+      <span v-if="relative" class="shrink-0">
+        {{ $t(relative.key, { count: relative.count }) }}
       </span>
-      <span v-if="relative" class="shrink-0">{{ relative }}</span>
     </div>
   </NuxtLink>
 </template>
diff --git a/app/slices/chat/components/chat/list/Provider.vue b/app/slices/chat/components/chat/list/Provider.vue
index 74de435d..3bc9bb58 100644
--- a/app/slices/chat/components/chat/list/Provider.vue
+++ b/app/slices/chat/components/chat/list/Provider.vue
@@ -25,9 +25,9 @@ async function onSync() {
   <div class="flex flex-col gap-6">
     <header class="flex flex-wrap items-start justify-between gap-3">
       <div>
-        <h1 class="text-2xl font-bold tracking-tight">History</h1>
+        <h1 class="text-2xl font-bold tracking-tight">{{ $t('history.title') }}</h1>
         <p class="mt-1 text-sm text-muted-foreground">
-          Your past conversations. Open one to pick up where you left off.
+          {{ $t('history.lede') }}
         </p>
       </div>
       <button
@@ -41,7 +41,7 @@ async function onSync() {
           :size="14"
           :class="syncing ? 'animate-spin' : undefined"
         />
-        {{ syncing ? 'Syncing…' : 'Sync' }}
+        {{ $t(syncing ? 'history.syncing' : 'history.sync') }}
       </button>
     </header>
 
@@ -86,16 +86,16 @@ async function onSync() {
       >
         <Icon name="message-square" :size="22" />
       </div>
-      <h2 class="mt-4 text-base font-semibold">No conversations yet</h2>
+      <h2 class="mt-4 text-base font-semibold">{{ $t('history.empty_title') }}</h2>
       <p class="mt-1 text-sm text-muted-foreground max-w-sm mx-auto">
-        Chat with an agent and it'll show up here so you can revisit it later.
+        {{ $t('history.empty_hint') }}
       </p>
       <NuxtLink
         to="/agents"
         class="mt-5 inline-flex items-center gap-1.5 rounded-md bg-primary text-primary-foreground px-4 py-2 text-sm font-medium hover:opacity-95 transition"
       >
         <Icon name="bot" :size="14" />
-        Browse agents
+        {{ $t('history.empty_cta') }}
       </NuxtLink>
     </div>
   </div>
diff --git a/app/slices/chat/components/chat/message/Bubble.vue b/app/slices/chat/components/chat/message/Bubble.vue
index 84e383e9..e8d5fbd8 100644
--- a/app/slices/chat/components/chat/message/Bubble.vue
+++ b/app/slices/chat/components/chat/message/Bubble.vue
@@ -40,8 +40,10 @@ const summaryText = computed(() =>
         @click="summaryOpen = !summaryOpen"
       >
         <Icon name="file-text" :size="14" class="shrink-0" />
-        <span class="font-medium">Earlier in this conversation — summarized</span>
-        <span class="ml-auto text-xs">{{ summaryOpen ? 'Hide' : 'Show' }}</span>
+        <span class="font-medium">{{ $t('message.summarized') }}</span>
+        <span class="ml-auto text-xs">
+          {{ $t(summaryOpen ? 'message.hide' : 'message.show') }}
+        </span>
       </button>
       <p
         v-if="summaryOpen"
@@ -83,7 +85,7 @@ const summaryText = computed(() =>
         <div class="mt-1.5 flex items-center gap-0.5">
           <button
             type="button"
-            aria-label="Helpful"
+            :aria-label="$t('message.helpful')"
             class="rounded p-1 text-muted-foreground transition-colors hover:text-foreground"
             :class="rating === 1 && 'text-emerald-600'"
             @click="emit('rate', 1)"
@@ -92,7 +94,7 @@ const summaryText = computed(() =>
           </button>
           <button
             type="button"
-            aria-label="Not helpful"
+            :aria-label="$t('message.not_helpful')"
             class="rounded p-1 text-muted-foreground transition-colors hover:text-foreground"
             :class="rating === -1 && 'text-rose-600'"
             @click="emit('rate', -1)"
diff --git a/app/slices/chat/i18n/locales/en.json b/app/slices/chat/i18n/locales/en.json
new file mode 100644
index 00000000..700b87f8
--- /dev/null
+++ b/app/slices/chat/i18n/locales/en.json
@@ -0,0 +1,33 @@
+{
+  "history": {
+    "title": "History",
+    "lede": "Your past conversations. Open one to pick up where you left off.",
+    "sync": "Sync",
+    "syncing": "Syncing…",
+    "empty_title": "No conversations yet",
+    "empty_hint": "Chat with an agent and it'll show up here so you can revisit it later.",
+    "empty_cta": "Browse agents"
+  },
+  "session": {
+    "fallback_title": "Conversation",
+    "message_count": "no messages | {count} message | {count} messages",
+    "not_found_title": "Conversation not found",
+    "not_found_hint": "It may have been removed, or it isn't one of yours.",
+    "last_activity": "Last activity {when}",
+    "insights_title": "Summary & insights",
+    "no_summary": "No summary yet",
+    "resolved": "resolved",
+    "unresolved": "unresolved",
+    "export": "Export",
+    "load_older": "Load older",
+    "loading": "Loading…",
+    "no_messages": "No messages in this conversation."
+  },
+  "message": {
+    "summarized": "Earlier in this conversation — summarized",
+    "show": "Show",
+    "hide": "Hide",
+    "helpful": "Helpful",
+    "not_helpful": "Not helpful"
+  }
+}
diff --git a/app/slices/chat/i18n/locales/ru.json b/app/slices/chat/i18n/locales/ru.json
new file mode 100644
index 00000000..8cf32bab
--- /dev/null
+++ b/app/slices/chat/i18n/locales/ru.json
@@ -0,0 +1,33 @@
+{
+  "history": {
+    "title": "История",
+    "lede": "Ваши прошлые беседы. Откройте любую, чтобы продолжить с того места, где остановились.",
+    "sync": "Синхронизировать",
+    "syncing": "Синхронизация…",
+    "empty_title": "Пока нет бесед",
+    "empty_hint": "Начните беседу с агентом — она появится здесь, и вы сможете вернуться к ней позже.",
+    "empty_cta": "Смотреть агентов"
+  },
+  "session": {
+    "fallback_title": "Беседа",
+    "message_count": "нет сообщений | {count} сообщение | {count} сообщения | {count} сообщений",
+    "not_found_title": "Беседа не найдена",
+    "not_found_hint": "Возможно, она удалена или принадлежит не вам.",
+    "last_activity": "Последняя активность {when}",
+    "insights_title": "Сводка и выводы",
+    "no_summary": "Сводки пока нет",
+    "resolved": "решено",
+    "unresolved": "не решено",
+    "export": "Экспорт",
+    "load_older": "Загрузить ранние",
+    "loading": "Загрузка…",
+    "no_messages": "В этой беседе нет сообщений."
+  },
+  "message": {
+    "summarized": "Ранее в этой беседе — сводка",
+    "show": "Показать",
+    "hide": "Скрыть",
+    "helpful": "Полезно",
+    "not_helpful": "Не полезно"
+  }
+}
diff --git a/app/slices/chat/nuxt.config.ts b/app/slices/chat/nuxt.config.ts
index 837f6393..0cfc43a8 100644
--- a/app/slices/chat/nuxt.config.ts
+++ b/app/slices/chat/nuxt.config.ts
@@ -1,12 +1,19 @@
 import { fileURLToPath } from 'url';
 import { dirname } from 'path';
 
+import { LOCALES } from '../setup/i18n/locales';
+
 const currentDir = dirname(fileURLToPath(import.meta.url));
 
 export default defineNuxtConfig({
   alias: {
     '#chat': currentDir,
   },
+  modules: ['@nuxtjs/i18n'],
+  i18n: {
+    langDir: 'locales',
+    locales: LOCALES,
+  },
   imports: {
     dirs: [`${currentDir}/stores`],
   },
diff --git a/app/slices/common/i18n/locales/en.json b/app/slices/common/i18n/locales/en.json
index c611f608..bd8fa1eb 100644
--- a/app/slices/common/i18n/locales/en.json
+++ b/app/slices/common/i18n/locales/en.json
@@ -67,5 +67,11 @@
     "deploy_body": "Ranch submits an Argo Workflow to your k3s cluster. You get a status stream back in the dashboard.",
     "chat_title": "Start the conversation",
     "chat_body": "The agent connects to the bridle hub. Open the chat, send a message, watch it stream back."
+  },
+  "relative_time": {
+    "just_now": "just now",
+    "minutes": "{count}m ago",
+    "hours": "{count}h ago",
+    "days": "{count}d ago"
   }
 }
diff --git a/app/slices/common/i18n/locales/ru.json b/app/slices/common/i18n/locales/ru.json
index 4227f5fc..a4b511d4 100644
--- a/app/slices/common/i18n/locales/ru.json
+++ b/app/slices/common/i18n/locales/ru.json
@@ -67,5 +67,11 @@
     "deploy_body": "Ranch отправляет Argo Workflow в ваш кластер k3s. Статус приходит в панель в реальном времени.",
     "chat_title": "Начните диалог",
     "chat_body": "Агент подключается к хабу Bridle. Откройте чат, отправьте сообщение и следите за потоковым ответом."
+  },
+  "relative_time": {
+    "just_now": "только что",
+    "minutes": "{count} мин назад",
+    "hours": "{count} ч назад",
+    "days": "{count} дн назад"
   }
 }