diff --git a/apps/internal-ui/src/features/sales/SalesDialogsPage.tsx b/apps/internal-ui/src/features/sales/SalesDialogsPage.tsx
index 6ad356f..2a82ad8 100644
--- a/apps/internal-ui/src/features/sales/SalesDialogsPage.tsx
+++ b/apps/internal-ui/src/features/sales/SalesDialogsPage.tsx
@@ -1,26 +1,95 @@
-import { useMemo, useState } from "react";
+import { useCallback, useEffect, useMemo, useState } from "react";
 
 import { SalesComposer } from "./dialogs/SalesComposer";
 import { SalesContextPanel } from "./dialogs/SalesContextPanel";
 import { SalesConversation } from "./dialogs/SalesConversation";
 import { SalesDialogList } from "./dialogs/SalesDialogList";
-import { dialogs } from "./dialogs/data";
-import type { ControlMode, ListTab, RightTab } from "./dialogs/types";
+import {
+  claimConversation,
+  controlModeOf,
+  fetchConversation,
+  fetchConversations,
+  releaseConversation,
+  toDialog,
+  type ApiConversation,
+} from "./dialogs/model";
+import type { ListTab, RightTab } from "./dialogs/types";
 
 export function SalesDialogsPage() {
   const [listTab, setListTab] = useState<ListTab>("all");
   const [rightTab, setRightTab] = useState<RightTab>("client");
-  const [selectedId, setSelectedId] = useState(1);
-  const [controlMode, setControlMode] = useState<ControlMode>("waiting");
+  const [conversations, setConversations] = useState<ApiConversation[]>([]);
+  const [selectedId, setSelectedId] = useState<number | null>(null);
+  const [detail, setDetail] = useState<ApiConversation | null>(null);
 
-  const selected = dialogs.find((dialog) => dialog.id === selectedId) ?? dialogs[0];
-  const filtered = useMemo(() => dialogs.filter((dialog) => {
-    if (listTab === "wait") return dialog.mode === "wait";
-    if (listTab === "ai") return dialog.mode === "ai";
-    if (listTab === "operator") return dialog.mode === "operator";
-    if (listTab === "unread") return dialog.unread > 0;
-    return true;
-  }), [listTab]);
+  const loadList = useCallback(async () => {
+    try {
+      const items = await fetchConversations();
+      setConversations(items);
+      setSelectedId((current) => current ?? items[0]?.id ?? null);
+    } catch {
+      /* keep previous list on transient errors */
+    }
+  }, []);
+
+  const loadDetail = useCallback(async (id: number) => {
+    try {
+      setDetail(await fetchConversation(id));
+    } catch {
+      /* ignore */
+    }
+  }, []);
+
+  useEffect(() => {
+    void loadList();
+    const timer = setInterval(loadList, 4000);
+    return () => clearInterval(timer);
+  }, [loadList]);
+
+  useEffect(() => {
+    if (selectedId == null) return;
+    void loadDetail(selectedId);
+    const timer = setInterval(() => loadDetail(selectedId), 3000);
+    return () => clearInterval(timer);
+  }, [selectedId, loadDetail]);
+
+  const dialogs = useMemo(() => conversations.map(toDialog), [conversations]);
+  const filtered = useMemo(
+    () =>
+      dialogs.filter((dialog) => {
+        if (listTab === "wait") return dialog.mode === "wait";
+        if (listTab === "ai") return dialog.mode === "ai";
+        if (listTab === "operator") return dialog.mode === "operator";
+        if (listTab === "unread") return dialog.unread > 0;
+        return true;
+      }),
+    [dialogs, listTab],
+  );
+
+  const selectedDialog = dialogs.find((dialog) => dialog.id === selectedId) ?? null;
+  const controlMode = detail ? controlModeOf(detail) : "ai";
+
+  function applyUpdated(updated: ApiConversation) {
+    setDetail(updated);
+    void loadList();
+  }
+
+  const onClaim = async () => {
+    if (selectedId == null) return;
+    try {
+      applyUpdated(await claimConversation(selectedId));
+    } catch {
+      /* ignore */
+    }
+  };
+  const onRelease = async () => {
+    if (selectedId == null) return;
+    try {
+      applyUpdated(await releaseConversation(selectedId));
+    } catch {
+      /* ignore */
+    }
+  };
 
   return (
     <div className="sales-dialogs">
@@ -28,13 +97,19 @@ export function SalesDialogsPage() {
         dialogs={dialogs}
         filtered={filtered}
         listTab={listTab}
-        selectedId={selectedId}
+        selectedId={selectedId ?? -1}
         setListTab={setListTab}
         setSelectedId={setSelectedId}
       />
       <section className="sales-conversation">
-        <SalesConversation controlMode={controlMode} selected={selected} setControlMode={setControlMode} />
-        <SalesComposer mode={controlMode} setMode={setControlMode} />
+        <SalesConversation controlMode={controlMode} dialog={selectedDialog} detail={detail} onClaim={onClaim} />
+        <SalesComposer
+          mode={controlMode}
+          conversationId={selectedId}
+          onClaim={onClaim}
+          onRelease={onRelease}
+          onSent={() => selectedId != null && loadDetail(selectedId)}
+        />
       </section>
       <SalesContextPanel rightTab={rightTab} setRightTab={setRightTab} />
     </div>
diff --git a/apps/internal-ui/src/features/sales/dialogs/SalesComposer.tsx b/apps/internal-ui/src/features/sales/dialogs/SalesComposer.tsx
index 7461161..feee5a7 100644
--- a/apps/internal-ui/src/features/sales/dialogs/SalesComposer.tsx
+++ b/apps/internal-ui/src/features/sales/dialogs/SalesComposer.tsx
@@ -1,14 +1,19 @@
+import { useState } from "react";
+
 import { Icon } from "../../../shared/icons";
+import { sendOperatorMessage } from "./model";
 import type { ControlMode } from "./types";
 
-export function SalesComposer({ mode, setMode }: { mode: ControlMode; setMode: (mode: ControlMode) => void }) {
+export function SalesComposer({ mode, conversationId, onClaim, onRelease, onSent }: { mode: ControlMode; conversationId: number | null; onClaim: () => void; onRelease: () => void; onSent: () => void }) {
+  const [text, setText] = useState("");
+  const [sending, setSending] = useState(false);
+
   if (mode === "waiting") {
     return (
       <div className="sales-composer"><div className="sales-waiting-composer">
         <span><Icon name="lock" size={19} /></span>
         <div><strong>Диалог ждёт оператора</strong><p>Возьмите диалог, чтобы ответить клиенту. AI поставлен на паузу.</p></div>
-        <button className="sales-secondary-action">Вернуть в очередь</button>
-        <button className="sales-claim-button" onClick={() => setMode("human")}><Icon name="check" size={15} />Забрать диалог</button>
+        <button className="sales-claim-button" onClick={onClaim}><Icon name="check" size={15} />Забрать диалог</button>
       </div></div>
     );
   }
@@ -18,24 +23,40 @@ export function SalesComposer({ mode, setMode }: { mode: ControlMode; setMode: (
       <div className="sales-composer"><div className="sales-ai-composer">
         <span><Icon name="robot" size={19} /></span>
         <div><strong>AI ведёт диалог</strong><p>Перехватите, чтобы ответить вручную. Контроль перейдёт к вам.</p></div>
-        <button className="sales-ai-button" onClick={() => setMode("human")}>Перехватить AI</button>
+        <button className="sales-ai-button" onClick={onClaim}>Перехватить AI</button>
       </div></div>
     );
   }
 
+  async function send() {
+    const value = text.trim();
+    if (!value || conversationId == null || sending) return;
+    setSending(true);
+    try {
+      await sendOperatorMessage(conversationId, value);
+      setText("");
+      onSent();
+    } finally {
+      setSending(false);
+    }
+  }
+
   return (
     <div className="sales-composer">
       <div className="sales-human-tools">
-        <button>Шаблоны ответов</button>
-        <button>Создать ссылку покупки</button>
         <span />
-        <button className="ai" onClick={() => setMode("ai")}>Вернуть AI</button>
-        <button>Закрыть</button>
+        <button className="ai" onClick={onRelease}>Вернуть AI</button>
       </div>
       <div className="sales-message-input">
         <button aria-label="Прикрепить файл"><Icon name="paperclip" size={19} /></button>
-        <textarea rows={1} placeholder="Введите сообщение…" />
-        <button>Отправить<Icon name="send" size={15} /></button>
+        <textarea
+          rows={1}
+          placeholder="Введите сообщение…"
+          value={text}
+          onChange={(event) => setText(event.target.value)}
+          onKeyDown={(event) => { if (event.key === "Enter" && !event.shiftKey) { event.preventDefault(); void send(); } }}
+        />
+        <button onClick={() => void send()} disabled={sending}>Отправить<Icon name="send" size={15} /></button>
       </div>
     </div>
   );
diff --git a/apps/internal-ui/src/features/sales/dialogs/SalesConversation.tsx b/apps/internal-ui/src/features/sales/dialogs/SalesConversation.tsx
index fc9eb15..5219375 100644
--- a/apps/internal-ui/src/features/sales/dialogs/SalesConversation.tsx
+++ b/apps/internal-ui/src/features/sales/dialogs/SalesConversation.tsx
@@ -2,45 +2,61 @@ import type { ReactNode } from "react";
 
 import { Icon } from "../../../shared/icons";
 import { channelMeta, statusFor } from "./data";
+import type { ApiConversation, ApiMessage } from "./model";
 import type { ControlMode, SalesDialog, StatusInfo } from "./types";
 
-export function SalesConversation({ controlMode, selected, setControlMode }: { controlMode: ControlMode; selected: SalesDialog; setControlMode: (mode: ControlMode) => void }) {
+function fmtTime(value: string): string {
+  return new Date(value).toLocaleTimeString("ru-RU", { hour: "2-digit", minute: "2-digit" });
+}
+
+export function SalesConversation({ controlMode, dialog, detail, onClaim }: { controlMode: ControlMode; dialog: SalesDialog | null; detail: ApiConversation | null; onClaim: () => void }) {
+  if (!dialog) {
+    return <div className="sales-timeline"><div className="sales-timeline-inner"><div className="sales-wait-note">Выберите диалог</div></div></div>;
+  }
   const status = statusFor(controlMode);
-  const channel = channelMeta[selected.channel];
+  const channel = channelMeta[dialog.channel];
+  const messages = detail?.messages ?? [];
   return (
     <>
       <div className="sales-conversation-head">
         <div className="sales-conversation-person">
-          <span style={{ background: selected.avatarBg }}>{selected.initials}</span>
+          <span style={{ background: dialog.avatarBg }}>{dialog.initials}</span>
           <div>
-            <div><strong>{selected.name}</strong><StatusBadge status={status} /></div>
-            <p>{selected.product}<i /> <em style={{ background: channel.color }} />{channel.label}<i />{channel.handle}</p>
+            <div><strong>{dialog.name}</strong><StatusBadge status={status} /></div>
+            <p>{dialog.product}<i /> <em style={{ background: channel.color }} />{channel.label}</p>
           </div>
         </div>
         <div className="sales-conversation-actions">
-          {controlMode === "waiting" && <button className="sales-claim-button" onClick={() => setControlMode("human")}><Icon name="check" size={15} />Забрать</button>}
-          {controlMode === "ai" && <button className="sales-ai-button" onClick={() => setControlMode("human")}>Перехватить AI</button>}
+          {controlMode === "waiting" && <button className="sales-claim-button" onClick={onClaim}><Icon name="check" size={15} />Забрать</button>}
+          {controlMode === "ai" && <button className="sales-ai-button" onClick={onClaim}>Перехватить AI</button>}
           <button className="sales-more-button" aria-label="Действия диалога"><Icon name="more" size={18} /></button>
         </div>
       </div>
       <div className="sales-timeline">
         <div className="sales-timeline-inner">
-          <div className="sales-day-divider"><span />Сегодня<span /></div>
-          <div className="sales-event-chip"><Icon name="clock" size={12} />Диалог начат · канал MAX · 14:02</div>
-          <Message side="client" initials="МС" avatarBg="#eb6f4b" time="14:02">Здравствуйте! Смотрю готовые сайты FirePage для студии красоты. Как это работает?</Message>
-          <Message side="ai" actor="AI-агент FirePage" time="14:03">Здравствуйте! FirePage — это готовый сайт под нишу: выбираете вариант, например <b>BeautySoft</b>, оплачиваете разовую лицензию 4 900 ₽ — и сайт ваш, без подписки.</Message>
-          <Message side="client" initials="МС" avatarBg="#eb6f4b" time="14:06">А мой текущий контент перенесёте? Лучше бы уточнить у менеджера.</Message>
-          <div className="sales-event-chip warning"><Icon name="team" size={12} />AI передал диалог оператору · причина: запрос человека (перенос контента)</div>
-          {controlMode === "waiting" && <div className="sales-wait-note">Ожидает оператора · 4 мин</div>}
-          {controlMode === "ai" && <TypingMessage />}
-          {controlMode === "human" && <div className="sales-event-chip claimed"><Icon name="check" size={13} />Иван Петров забрал диалог · 14:09</div>}
-          {controlMode === "human" && <Message side="operator" initials="ИП" avatarBg="#1677ff" actor="Иван · оператор" time="14:10">Здравствуйте, Мария! Я подключился. По переносу — поможем перенести ваши тексты, фото и онлайн-запись на выбранный сайт. Подобрать вариант под вашу нишу?</Message>}
+          {messages.length === 0 && <div className="sales-wait-note">Пока нет сообщений</div>}
+          {messages.map((message) => (
+            <MessageRow key={message.id} message={message} dialog={dialog} />
+          ))}
         </div>
       </div>
     </>
   );
 }
 
+function MessageRow({ message, dialog }: { message: ApiMessage; dialog: SalesDialog }) {
+  if (message.author === "SYSTEM") {
+    return <div className="sales-event-chip"><Icon name="clock" size={12} />{message.text} · {fmtTime(message.createdAt)}</div>;
+  }
+  const side = message.author === "CONTACT" ? "client" : message.author === "OPERATOR" ? "operator" : "ai";
+  const actor = message.author === "AI" ? "AI-агент" : message.author === "OPERATOR" ? "Оператор" : undefined;
+  return (
+    <Message side={side} initials={dialog.initials} avatarBg={dialog.avatarBg} actor={actor} time={fmtTime(message.createdAt)}>
+      {message.text}
+    </Message>
+  );
+}
+
 function StatusBadge({ status }: { status: StatusInfo }) {
   return <span className="sales-status-badge" style={{ background: status.bg, borderColor: status.border, color: status.color }}><i style={{ background: status.dot }} />{status.label}</span>;
 }
@@ -57,12 +73,3 @@ function Message({ side, initials, avatarBg, actor, time, children }: { side: "a
     </div>
   );
 }
-
-function TypingMessage() {
-  return (
-    <div className="sales-message ai typing">
-      <div className="sales-message-avatar"><Icon name="robot" size={16} /></div>
-      <div className="sales-typing-bubble"><span /><span /><span /></div>
-    </div>
-  );
-}
diff --git a/apps/internal-ui/src/features/sales/dialogs/model.ts b/apps/internal-ui/src/features/sales/dialogs/model.ts
new file mode 100644
index 0000000..ebd30ea
--- /dev/null
+++ b/apps/internal-ui/src/features/sales/dialogs/model.ts
@@ -0,0 +1,63 @@
+import { api } from "../../../api/client";
+import type { ChannelKey, ControlMode, DialogMode, SalesDialog } from "./types";
+
+export type ApiMessage = { id: number; author: "CONTACT" | "AI" | "OPERATOR" | "SYSTEM"; text: string; createdAt: string };
+
+export type ApiConversation = {
+  id: number;
+  channel: { code: string; name: string };
+  connection: { id: number; provider: "MAX" | "TELEGRAM" | "WEB"; name: string } | null;
+  contact: { id: number; name: string };
+  lifecycle: "OPEN" | "CLOSED" | "SPAM";
+  controlMode: "AI" | "HUMAN" | "PAUSED";
+  expectedResponder: string;
+  assignedOperatorId: number | null;
+  lastActivityAt: string;
+  createdAt: string;
+  lastMessage: ApiMessage | null;
+  messages?: ApiMessage[];
+};
+
+const AVATAR_PALETTE = ["#eb6f4b", "#3b82c4", "#9254de", "#13a8a8", "#d4860b", "#52a838", "#c4413b", "#6b5be0"];
+const PROVIDER_CHANNEL: Record<string, ChannelKey> = { MAX: "MAX", TELEGRAM: "TG", WEB: "WEB" };
+
+export function controlModeOf(conversation: ApiConversation): ControlMode {
+  if (conversation.controlMode === "HUMAN") return "human";
+  if (conversation.controlMode === "AI") return "ai";
+  return "waiting";
+}
+
+function dialogMode(conversation: ApiConversation): DialogMode {
+  if (conversation.lifecycle === "CLOSED") return "closed";
+  if (conversation.controlMode === "HUMAN") return "operator";
+  if (conversation.controlMode === "AI") return "ai";
+  return "wait";
+}
+
+function initialsOf(name: string): string {
+  const parts = name.trim().split(/\s+/).filter(Boolean);
+  if (parts.length === 0) return "Г";
+  return (parts[0][0] + (parts[1]?.[0] ?? "")).toUpperCase();
+}
+
+export function toDialog(conversation: ApiConversation): SalesDialog {
+  const name = conversation.contact.name || `Гость ${conversation.contact.id}`;
+  return {
+    id: conversation.id,
+    name,
+    initials: initialsOf(name),
+    avatarBg: AVATAR_PALETTE[conversation.contact.id % AVATAR_PALETTE.length],
+    product: conversation.channel.name,
+    channel: PROVIDER_CHANNEL[conversation.connection?.provider ?? "WEB"] ?? "WEB",
+    mode: dialogMode(conversation),
+    preview: conversation.lastMessage?.text.replace(/\s+/g, " ").slice(0, 80) ?? "—",
+    time: new Date(conversation.lastActivityAt).toLocaleTimeString("ru-RU", { hour: "2-digit", minute: "2-digit" }),
+    unread: 0,
+  };
+}
+
+export const fetchConversations = () => api<{ items: ApiConversation[] }>("/api/v1/conversations/").then((r) => r.items);
+export const fetchConversation = (id: number) => api<{ conversation: ApiConversation }>(`/api/v1/conversations/${id}/`).then((r) => r.conversation);
+export const claimConversation = (id: number) => api<{ conversation: ApiConversation }>(`/api/v1/conversations/${id}/claim/`, { method: "POST" }).then((r) => r.conversation);
+export const releaseConversation = (id: number) => api<{ conversation: ApiConversation }>(`/api/v1/conversations/${id}/release/`, { method: "POST" }).then((r) => r.conversation);
+export const sendOperatorMessage = (id: number, text: string) => api(`/api/v1/conversations/${id}/messages/`, { method: "POST", body: JSON.stringify({ text }) });