diff --git a/apps/backend/hub_platform/conversations/chat_extras_views.py b/apps/backend/hub_platform/conversations/chat_extras_views.py
index c68a120..ea80376 100644
--- a/apps/backend/hub_platform/conversations/chat_extras_views.py
+++ b/apps/backend/hub_platform/conversations/chat_extras_views.py
@@ -25,6 +25,8 @@ from hub_platform.conversations.models import (
 from hub_platform.conversations.selectors import apply_conversation_visibility
 from hub_platform.conversations.serializers import conversation_payload
 from hub_platform.conversations.view_base import ConversationViewBase
+from hub_platform.identity.group_models import EmployeeGroup
+from hub_platform.identity.models import OrganizationMembership
 from hub_platform.identity.policy import can_administer_access
 
 
@@ -205,6 +207,34 @@ class ConversationCountersView(ConversationViewBase):
         )
 
 
+class ConversationDirectoryView(APIView):
+    """Справочник блока «Диалог» для оператора (дизайн-базлайн v2, кадр G):
+    все группы организации — для переноса, активные коллеги — для назначения.
+    Доступен любому, кто видит чат: менеджерские списки сотрудников и групп
+    сотруднику закрыты, а переносить и назначать он может."""
+
+    permission_classes = [HasCapability]
+    required_capabilities = {"GET": "conversations.view"}
+
+    def get(self, request: Request) -> Response:
+        organization_id = request.tenant_context.organization_id
+        groups = EmployeeGroup.objects.filter(organization_id=organization_id).order_by("name")
+        members = (
+            OrganizationMembership.objects.select_related("user")
+            .filter(organization_id=organization_id, blocked_at__isnull=True, user__is_active=True)
+            .order_by("user__full_name", "user__email")
+        )
+        return Response(
+            {
+                "groups": [{"id": group.id, "name": group.name} for group in groups],
+                "employees": [
+                    {"id": member.user_id, "name": member.user.full_name or member.user.email}
+                    for member in members
+                ],
+            }
+        )
+
+
 class LabelListView(APIView):
     """Словарь меток организации. Создание — лёгкое действие оператора
     («+ Добавить» в карточке), правка/удаление — администратора."""
diff --git a/apps/backend/hub_platform/conversations/test_chat_extras.py b/apps/backend/hub_platform/conversations/test_chat_extras.py
index 74c9cca..0668d78 100644
--- a/apps/backend/hub_platform/conversations/test_chat_extras.py
+++ b/apps/backend/hub_platform/conversations/test_chat_extras.py
@@ -1,6 +1,7 @@
 import json
 
 from django.test import TestCase
+from django.utils import timezone
 from hub_platform.testing import TenantAPIClient as APIClient
 
 from hub_platform.channels.models import Channel
@@ -205,6 +206,25 @@ class ListFilterTests(ChatExtrasTestCase):
 
 
 class CountersTests(ChatExtrasTestCase):
+    def test_directory_lists_all_groups_and_colleagues_for_employee(self) -> None:
+        support = EmployeeGroup.objects.create(
+            organization=self.organization, name="Поддержка"
+        )
+        blocked = self._member("blocked@chat.test", EmployeeRole.EMPLOYEE)
+        blocked.blocked_at = timezone.now()
+        blocked.save(update_fields=["blocked_at"])
+
+        payload = self.client.get("/api/v1/conversations/directory/").json()
+        # Сотрудник видит все группы — иначе не перенести диалог (кадр G).
+        self.assertEqual(
+            [group["name"] for group in payload["groups"]], ["Операторы", "Поддержка"]
+        )
+        self.assertEqual(payload["groups"][1]["id"], support.id)
+        names = {employee["id"]: employee["name"] for employee in payload["employees"]}
+        self.assertIn(self.owner.user_id, names)
+        self.assertIn(self.employee.user_id, names)
+        self.assertNotIn(blocked.user_id, names)
+
     def test_counters_reflect_visibility(self) -> None:
         support = EmployeeGroup.objects.create(
             organization=self.organization, name="Поддержка"
diff --git a/apps/backend/hub_platform/conversations/urls.py b/apps/backend/hub_platform/conversations/urls.py
index b708f2f..44f535d 100644
--- a/apps/backend/hub_platform/conversations/urls.py
+++ b/apps/backend/hub_platform/conversations/urls.py
@@ -22,6 +22,7 @@ urlpatterns = [
     path("<int:conversation_id>/labels/", chat_extras_views.ConversationLabelsView.as_view(), name="conversation-labels"),
     path("<int:conversation_id>/archive/", chat_extras_views.ConversationArchiveView.as_view(), name="conversation-archive"),
     path("counters/", chat_extras_views.ConversationCountersView.as_view(), name="conversation-counters"),
+    path("directory/", chat_extras_views.ConversationDirectoryView.as_view(), name="conversation-directory"),
     path("labels/", chat_extras_views.LabelListView.as_view(), name="conversation-label-list"),
     path("labels/<int:label_id>/", chat_extras_views.LabelDetailView.as_view(), name="conversation-label-detail"),
     path("templates/", chat_extras_views.ReplyTemplateListView.as_view(), name="reply-template-list"),
diff --git a/apps/internal-ui/src/features/chat/ChatPage.tsx b/apps/internal-ui/src/features/chat/ChatPage.tsx
index 67f39ff..06f750b 100644
--- a/apps/internal-ui/src/features/chat/ChatPage.tsx
+++ b/apps/internal-ui/src/features/chat/ChatPage.tsx
@@ -1,17 +1,18 @@
-import { useState, type ReactNode } from "react";
+import { useEffect, useState, type ReactNode } from "react";
 
 import { ChatMobileHeader } from "../../layout/ChatMobileHeader";
 import { Hint } from "../../shared/Hint";
+import { Icon } from "../../shared/icons";
 
 import { ConversationWorkspace, type DialogScope } from "../conversations/ConversationWorkspace";
 import { DialogControls } from "../conversations/DialogControls";
-import type { ApiConversation, ConversationCounters } from "../conversations/model";
+import { fetchChatDirectory, type ApiConversation, type ChatDirectory, type ConversationCounters } from "../conversations/model";
 import type { ConversationListItem } from "../conversations/types";
 import { ClientContext } from "../sales/dialogs/context/ClientContext";
 import { HistoryContext } from "../sales/dialogs/context/HistoryContext";
 import { OperatorCards } from "../support/context/OperatorCards";
 import { SupportHistory } from "../support/context/SupportHistory";
-import type { EmployeeGroup, RouteKey, SessionUser } from "../../types";
+import type { EmployeeGroupRef, RouteKey, SessionUser } from "../../types";
 
 // Единый «Чат» (дизайн-базлайн v2 §8.1): один экран для всех диалогов
 // организации. Контекст-панель сама выбирает представление по источнику
@@ -22,27 +23,31 @@ type ChatRightTab = "client" | "history";
 export function ChatPage({
   initialConversationId,
   user,
-  groups = [],
-  employees = [],
   scope,
   setScope,
   counters,
   showScopeSwitcher,
   setRoute,
   onLogout,
+  onOpenMenu,
 }: {
   initialConversationId?: number | null;
   user: SessionUser;
-  groups?: EmployeeGroup[];
-  employees?: Array<{ id: number; name: string }>;
   scope: DialogScope;
   setScope: (scope: DialogScope) => void;
   counters: ConversationCounters | null;
   showScopeSwitcher: boolean;
   setRoute: (route: RouteKey) => void;
   onLogout: () => void;
+  onOpenMenu: () => void;
 }) {
   const [rightTab, setRightTab] = useState<ChatRightTab>("client");
+  const [directory, setDirectory] = useState<ChatDirectory>({ groups: [], employees: [] });
+  useEffect(() => {
+    let cancelled = false;
+    fetchChatDirectory().then((payload) => { if (!cancelled) setDirectory(payload); }).catch(() => undefined);
+    return () => { cancelled = true; };
+  }, [user.organizationPublicId]);
   return (
     <ConversationWorkspace
       isOwner={user.role === "OWNER"}
@@ -51,21 +56,22 @@ export function ChatPage({
       setScope={setScope}
       counters={counters}
       showScopeSwitcher={showScopeSwitcher}
-      mobileHeader={<ChatMobileHeader user={user} setRoute={setRoute} onLogout={onLogout} />}
+      mobileHeader={({ total }) => <ChatMobileHeader user={user} scope={scope} total={total} setRoute={setRoute} onLogout={onLogout} onOpenMenu={onOpenMenu} />}
       hint={showScopeSwitcher
         ? <Hint id="chat-visibility">Вы видите все диалоги организации. Сотрудники видят только диалоги своих групп, без группы и те, где они ответственные.</Hint>
         : undefined}
       viewerId={user.id}
-      renderContextPanel={({ dialog, detail, applyConversation, startCall }) => (
+      renderContextPanel={({ dialog, detail, applyConversation, startCall, closeContext }) => (
         <ChatContextPanel
           rightTab={rightTab}
           setRightTab={setRightTab}
           dialog={dialog}
           detail={detail}
-          groups={groups}
-          employees={employees}
+          groups={directory.groups}
+          employees={directory.employees}
           applyConversation={applyConversation}
           startCall={startCall}
+          closeContext={closeContext}
           viewerId={user.id}
         />
       )}
@@ -82,16 +88,18 @@ function ChatContextPanel({
   employees,
   applyConversation,
   startCall,
+  closeContext,
   viewerId,
 }: {
   rightTab: ChatRightTab;
   setRightTab: (tab: ChatRightTab) => void;
   dialog: ConversationListItem | null;
   detail: ApiConversation | null;
-  groups: EmployeeGroup[];
+  groups: EmployeeGroupRef[];
   employees: Array<{ id: number; name: string }>;
   applyConversation: (updated: ApiConversation) => void;
   startCall: ((kind: "AUDIO" | "VIDEO") => void) | null;
+  closeContext: () => void;
   viewerId: number;
 }) {
   const isSupport = Boolean(detail?.supportIdentitySnapshot);
@@ -100,6 +108,7 @@ function ChatContextPanel({
       <div className="sales-context-tabs">
         <RightTabButton active={rightTab === "client"} onClick={() => setRightTab("client")}>Контакт</RightTabButton>
         <RightTabButton active={rightTab === "history"} onClick={() => setRightTab("history")}>История</RightTabButton>
+        <button className="ctx-close" type="button" aria-label="Закрыть панель" onClick={closeContext}><Icon name="xCircle" size={16} /></button>
       </div>
       <div className="sales-context-body">
         {rightTab === "client" && (
diff --git a/apps/internal-ui/src/features/conversations/Composer.tsx b/apps/internal-ui/src/features/conversations/Composer.tsx
index 2738fb3..bfbbf64 100644
--- a/apps/internal-ui/src/features/conversations/Composer.tsx
+++ b/apps/internal-ui/src/features/conversations/Composer.tsx
@@ -1,6 +1,7 @@
 import { useEffect, useMemo, useRef, useState } from "react";
 
 import { Icon } from "../../shared/icons";
+import { useMediaQuery } from "../../shared/useMediaQuery";
 import { fetchReplyTemplates, sendOperatorMessage, sendVoiceMessage, type ReplyTemplateRef } from "./model";
 import { formatDuration } from "./VoiceMessage";
 import { useVoiceRecorder } from "./useVoiceRecorder";
@@ -8,6 +9,7 @@ import type { ChannelKey, ControlMode } from "./types";
 
 export function Composer({ mode, loaded, assignedOperatorName, conversationId, channel, onClaim, onRelease, onReturnQueue, onClose, onSent }: { mode: ControlMode; loaded: boolean; assignedOperatorName?: string; conversationId: number | null; channel?: ChannelKey; onClaim: () => void; onRelease: () => void; onReturnQueue: () => void; onClose: () => void; onSent: () => void }) {
   const [text, setText] = useState("");
+  const compact = useMediaQuery("(max-width: 768px)");
   const [sending, setSending] = useState(false);
   const [sendError, setSendError] = useState("");
   const [templates, setTemplates] = useState<ReplyTemplateRef[]>([]);
@@ -137,7 +139,7 @@ export function Composer({ mode, loaded, assignedOperatorName, conversationId, c
           <textarea
             ref={textareaRef}
             rows={1}
-            placeholder="Введите сообщение… Shift+Enter — перенос строки, «/» — шаблон ответа"
+            placeholder={compact ? "Сообщение…" : "Введите сообщение… Shift+Enter — перенос строки, «/» — шаблон ответа"}
             value={text}
             onChange={(event) => setText(event.target.value)}
             onKeyDown={(event) => {
@@ -162,7 +164,7 @@ export function Composer({ mode, loaded, assignedOperatorName, conversationId, c
               </button>
             )}
             <span className="composer-spacer" />
-            <button className="composer-send" type="button" onClick={() => void send()} disabled={sending}>Отправить<kbd>⏎</kbd></button>
+            <button className="composer-send" type="button" onClick={() => void send()} disabled={sending}><span>Отправить</span><kbd>⏎</kbd><Icon name="send" size={17} /></button>
           </div>
         </div>
       </div>
diff --git a/apps/internal-ui/src/features/conversations/ConversationWorkspace.tsx b/apps/internal-ui/src/features/conversations/ConversationWorkspace.tsx
index cc369c9..616c744 100644
--- a/apps/internal-ui/src/features/conversations/ConversationWorkspace.tsx
+++ b/apps/internal-ui/src/features/conversations/ConversationWorkspace.tsx
@@ -49,9 +49,9 @@ export function ConversationWorkspace({ isOwner = false, viewerId = null, listTi
   isOwner?: boolean;
   listTitle?: string;
   searchPlaceholder?: string;
-  renderContextPanel: (ctx: { dialog: ConversationListItem | null; detail: ApiConversation | null; applyConversation: (updated: ApiConversation) => void; startCall: ((kind: "AUDIO" | "VIDEO") => void) | null }) => ReactNode;
+  renderContextPanel: (ctx: { dialog: ConversationListItem | null; detail: ApiConversation | null; applyConversation: (updated: ApiConversation) => void; startCall: ((kind: "AUDIO" | "VIDEO") => void) | null; closeContext: () => void }) => ReactNode;
   viewerId?: number | null;
-  mobileHeader?: ReactNode;
+  mobileHeader?: (info: { total: number }) => ReactNode;
   hint?: ReactNode;
   initialConversationId?: number | null;
   // Охват (дерево фильтров) живёт в Shell: у сотрудника им управляет сайдбар,
@@ -251,7 +251,12 @@ export function ConversationWorkspace({ isOwner = false, viewerId = null, listTi
         hint={hint}
         searchRef={searchRef}
       />
+      {!selectedDialog && (
+        <section className="sales-conversation"><div className="sales-conversation-empty">Выберите диалог</div></section>
+      )}
+      {selectedDialog && (
       <section className="sales-conversation">
+        {ctxOpen && <button className="ctx-backdrop" type="button" aria-label="Закрыть панель" onClick={() => setCtxOpen(false)} />}
         <ConversationThread controlMode={controlMode} dialog={selectedDialog} detail={detail} isOwner={isOwner} onExpandList={listCollapsed ? () => setListCollapsed(false) : undefined} viewerId={viewerId} onClaim={onClaim} onRelease={onRelease} onClose={onClose} onSpam={onSpam} onReturnQueue={onReturnQueue} onArchive={onArchive} onToggleContext={() => setCtxOpen((open) => !open)} onMobileBack={() => setMobileDialogOpen(false)} />
         {(detailError || actionError) && <div className="sales-conversation-error">{detailError || actionError}</div>}
         <CallOverlay
@@ -279,12 +284,15 @@ export function ConversationWorkspace({ isOwner = false, viewerId = null, listTi
           onSent={() => selectedId != null && loadDetail(selectedId)}
         />
       </section>
-      {renderContextPanel({
+      )}
+      {selectedDialog && renderContextPanel({
         dialog: selectedDialog,
         detail,
         applyConversation: applyUpdated,
         // Звонки — в карточке контакта (решение 5); почта звонков не поддерживает.
         startCall: detail?.lifecycle === "OPEN" && selectedDialog && selectedDialog.channel !== "EMAIL" ? (kind) => void callController.start(kind) : null,
+        // Кадр S2: выдвижная панель закрывается крестиком в её шапке.
+        closeContext: () => setCtxOpen(false),
       })}
     </div>
   );
diff --git a/apps/internal-ui/src/features/conversations/DialogControls.tsx b/apps/internal-ui/src/features/conversations/DialogControls.tsx
index 39a80af..7181190 100644
--- a/apps/internal-ui/src/features/conversations/DialogControls.tsx
+++ b/apps/internal-ui/src/features/conversations/DialogControls.tsx
@@ -129,13 +129,13 @@ export function DialogControls({
             <Dropdown
               disabled={busy || employees.length === 0}
               trigger={["click"]}
-              overlayClassName="app-dropdown is-wide"
+              overlayClassName="app-dropdown ctx-menu"
               menu={{
                 items: [
-                  { key: "none", label: <button type="button" className={assignee ? "" : "is-checked"} onClick={() => void run(() => setConversationAssignee(detail.id, null))}><span className="ctx-avatar-empty" />Не назначен</button> },
+                  { key: "none", label: <button type="button" className={assignee ? "" : "is-checked"} onClick={() => void run(() => setConversationAssignee(detail.id, null))}><span className="ctx-avatar-empty" /><span>Не назначен</span>{!assignee && <Icon name="check" size={15} />}</button> },
                   ...employees.map((employee) => ({
                     key: employee.id,
-                    label: <button type="button" className={assignee?.id === employee.id ? "is-checked" : ""} onClick={() => void run(() => setConversationAssignee(detail.id, employee.id))}><span className="ctx-avatar-small">{initials(employee.name)}</span>{employee.name}{viewerId === employee.id ? " · вы" : ""}</button>,
+                    label: <button type="button" className={assignee?.id === employee.id ? "is-checked" : ""} onClick={() => void run(() => setConversationAssignee(detail.id, employee.id))}><span className="ctx-avatar-small">{initials(employee.name)}</span><span>{employee.name}{viewerId === employee.id ? " · вы" : ""}</span>{assignee?.id === employee.id && <Icon name="check" size={15} />}</button>,
                   })),
                 ],
               }}
@@ -151,14 +151,17 @@ export function DialogControls({
             <Dropdown
               disabled={busy || groups.length === 0}
               trigger={["click"]}
-              overlayClassName="app-dropdown is-wide"
+              overlayClassName="app-dropdown ctx-menu"
               menu={{
+                // Кадр G: заголовок «Перенести в группу», отмеченный пункт с галочкой, подпись внизу.
                 items: [
-                  { key: "none", label: <button type="button" className={detail.group ? "" : "is-checked"} onClick={() => void run(() => setConversationGroup(detail.id, null))}><i className="ctx-dot is-muted" />Без группы<small>видят все сотрудники</small></button> },
+                  { key: "title", type: "group" as const, label: "Перенести в группу" },
+                  { key: "none", label: <button type="button" className={detail.group ? "" : "is-checked"} onClick={() => void run(() => setConversationGroup(detail.id, null))}><i className="ctx-dot is-muted" /><span>Без группы</span>{!detail.group && <Icon name="check" size={15} />}</button> },
                   ...groups.map((group) => ({
                     key: group.id,
-                    label: <button type="button" className={detail.group?.id === group.id ? "is-checked" : ""} onClick={() => void run(() => setConversationGroup(detail.id, group.id))}><i className="ctx-dot" style={{ background: groupColorOf(group.id) }} />{group.name}</button>,
+                    label: <button type="button" className={detail.group?.id === group.id ? "is-checked" : ""} onClick={() => void run(() => setConversationGroup(detail.id, group.id))}><i className="ctx-dot" style={{ background: groupColorOf(group.id) }} /><span>{group.name}</span>{detail.group?.id === group.id && <Icon name="check" size={15} />}</button>,
                   })),
+                  { key: "note", type: "group" as const, className: "ctx-menu-note", label: "Диалог без группы видят все сотрудники." },
                 ],
               }}
             >
@@ -173,11 +176,11 @@ export function DialogControls({
             <Dropdown
               disabled={busy}
               trigger={["click"]}
-              overlayClassName="app-dropdown is-wide"
+              overlayClassName="app-dropdown ctx-menu"
               menu={{
                 items: PRIORITY_OPTIONS.map(([value, label]) => ({
                   key: value,
-                  label: <button type="button" className={detail.priority === value ? "is-checked" : ""} onClick={() => void run(() => setConversationPriority(detail.id, value))}><PriorityBars priority={value} placeholder />{label}</button>,
+                  label: <button type="button" className={detail.priority === value ? "is-checked" : ""} onClick={() => void run(() => setConversationPriority(detail.id, value))}><PriorityBars priority={value} placeholder /><span>{label}</span>{detail.priority === value && <Icon name="check" size={15} />}</button>,
                 })),
               }}
             >
diff --git a/apps/internal-ui/src/features/conversations/DialogList.tsx b/apps/internal-ui/src/features/conversations/DialogList.tsx
index d535f45..45372b1 100644
--- a/apps/internal-ui/src/features/conversations/DialogList.tsx
+++ b/apps/internal-ui/src/features/conversations/DialogList.tsx
@@ -22,7 +22,7 @@ export function DialogList({ title = "Диалоги", searchPlaceholder = "По
   counters: ConversationCounters | null;
   setScope: (scope: DialogScope) => void;
   showScopeSwitcher?: boolean;
-  mobileHeader?: ReactNode;
+  mobileHeader?: (info: { total: number }) => ReactNode;
   hint?: ReactNode;
   searchRef?: RefObject<HTMLInputElement | null>;
   dialogs: ConversationListItem[];
@@ -38,7 +38,7 @@ export function DialogList({ title = "Диалоги", searchPlaceholder = "По
   const waitCount = dialogs.filter((dialog) => dialog.mode === "wait").length;
   return (
     <section className="sales-dialog-list">
-      {mobileHeader}
+      {mobileHeader?.({ total: dialogs.length })}
       <div className="sales-dialog-list-head">
         <div>
           {showScopeSwitcher
@@ -72,7 +72,9 @@ export function DialogList({ title = "Диалоги", searchPlaceholder = "По
       <div className="sales-dialog-list-body">
         {errorText && <div className="sales-wait-note sales-load-error">{errorText}</div>}
         {/* Кадр S1: пустой список без призыва к действию. */}
-        {!errorText && dialogs.length === 0 && <div className="sales-wait-note">Диалоги появятся, когда клиенты напишут вашему агенту</div>}
+        {!errorText && dialogs.length === 0 && (
+          <div className="sales-dialog-list-empty"><span><Icon name="message" size={20} /></span><p>Диалоги появятся, когда клиенты напишут вашему агенту</p></div>
+        )}
         {filtered.map((dialog) => <DialogListItem dialog={dialog} active={dialog.id === selectedId} setSelectedId={setSelectedId} key={dialog.id} />)}
       </div>
     </section>
diff --git a/apps/internal-ui/src/features/conversations/model.ts b/apps/internal-ui/src/features/conversations/model.ts
index 238aa41..4af7968 100644
--- a/apps/internal-ui/src/features/conversations/model.ts
+++ b/apps/internal-ui/src/features/conversations/model.ts
@@ -252,6 +252,15 @@ export const fetchWaitingCount = () => api<{ waiting: number }>("/api/v1/convers
 
 // --- Дизайн-базлайн v2: карточка «Диалог», метки, шаблоны, счётчики ---
 
+// Справочник блока «Диалог» (кадр G): все группы для переноса и коллеги для
+// назначения — доступен и сотруднику, у которого нет менеджерских списков.
+export type ChatDirectory = {
+  groups: Array<{ id: number; name: string }>;
+  employees: Array<{ id: number; name: string }>;
+};
+
+export const fetchChatDirectory = () => api<ChatDirectory>("/api/v1/conversations/directory/");
+
 const conversationAction = (id: number, suffix: string, body: object) =>
   api<{ conversation: ApiConversation }>(`/api/v1/conversations/${id}/${suffix}/`, {
     method: "POST",
diff --git a/apps/internal-ui/src/features/sales/dialogs/composer.css b/apps/internal-ui/src/features/sales/dialogs/composer.css
index f167c53..5aef06e 100644
--- a/apps/internal-ui/src/features/sales/dialogs/composer.css
+++ b/apps/internal-ui/src/features/sales/dialogs/composer.css
@@ -121,6 +121,11 @@
   opacity: 0.75;
 }
 
+/* Иконка отправки — только в мобильном композере (кадр M2). */
+.composer-send svg {
+  display: none;
+}
+
 /* Кадры D, E: композер заменён карточкой-сообщением. */
 .composer-locked {
   max-width: 760px;
diff --git a/apps/internal-ui/src/features/sales/dialogs/context.css b/apps/internal-ui/src/features/sales/dialogs/context.css
index 2e5980b..d83f543 100644
--- a/apps/internal-ui/src/features/sales/dialogs/context.css
+++ b/apps/internal-ui/src/features/sales/dialogs/context.css
@@ -33,6 +33,29 @@
   font-weight: 600;
 }
 
+/* Крестик выдвижной панели (кадр S2) — только на ≤1024px. */
+.sales-context-tabs button.ctx-close {
+  display: none;
+  flex: none;
+  width: 36px;
+  align-items: center;
+  justify-content: center;
+  padding: 0;
+  margin-bottom: 0;
+  color: var(--n-4);
+  border-bottom: 0;
+}
+
+.sales-context-tabs button.ctx-close:hover {
+  color: var(--n-2);
+}
+
+@media (max-width: 1024px) {
+  .sales-context-tabs button.ctx-close {
+    display: flex;
+  }
+}
+
 .sales-context-body {
   flex: 1;
   min-height: 0;
@@ -1133,6 +1156,54 @@
 .app-dropdown .ant-dropdown-menu-item button.is-checked {
   color: var(--primary-text);
   background: var(--primary-bg);
+  font-weight: 600;
+}
+
+/* Меню полей блока «Диалог» (кадр G): 283px, пункты 33px r7, заголовок капсом,
+   галочка у выбранного, подпись под списком. */
+.app-dropdown.ctx-menu .ant-dropdown-menu {
+  width: 283px;
+}
+
+.app-dropdown.ctx-menu .ant-dropdown-menu-item button > span:not(.ctx-avatar-small):not(.ctx-avatar-empty):not(.sales-priority-bars) {
+  flex: 1;
+  min-width: 0;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.app-dropdown.ctx-menu .ant-dropdown-menu-item button > svg {
+  flex: none;
+}
+
+.app-dropdown.ctx-menu .ant-dropdown-menu-item-group-title {
+  padding: 6px 10px 4px;
+  color: var(--n-5);
+  font-size: 11px;
+  font-weight: 600;
+  line-height: 15px;
+  letter-spacing: 0.02em;
+  text-transform: uppercase;
+}
+
+.app-dropdown.ctx-menu .ant-dropdown-menu-item-group-list {
+  margin: 0;
+}
+
+.app-dropdown.ctx-menu .ctx-menu-note {
+  margin-top: 4px;
+  border-top: 1px solid var(--n-9);
+}
+
+.app-dropdown.ctx-menu .ctx-menu-note .ant-dropdown-menu-item-group-title {
+  padding: 8px 10px 6px;
+  color: var(--n-4);
+  font-size: 11.5px;
+  font-weight: 400;
+  line-height: 17px;
+  letter-spacing: 0;
+  text-transform: none;
 }
 
 
diff --git a/apps/internal-ui/src/features/sales/dialogs/conversation.css b/apps/internal-ui/src/features/sales/dialogs/conversation.css
index ba04e1a..a441c0f 100644
--- a/apps/internal-ui/src/features/sales/dialogs/conversation.css
+++ b/apps/internal-ui/src/features/sales/dialogs/conversation.css
@@ -232,6 +232,16 @@
   font-weight: 500;
 }
 
+/* Кадр S1: ничего не выбрано. */
+.sales-conversation-empty {
+  flex: 1;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  color: var(--n-5);
+  font-size: 13px;
+}
+
 .sales-wait-note {
   margin: -8px 0 8px;
   color: var(--n-5);
diff --git a/apps/internal-ui/src/features/sales/dialogs/layout.css b/apps/internal-ui/src/features/sales/dialogs/layout.css
index ab3ef68..5fb0928 100644
--- a/apps/internal-ui/src/features/sales/dialogs/layout.css
+++ b/apps/internal-ui/src/features/sales/dialogs/layout.css
@@ -32,11 +32,29 @@
 
   .sales-conversation-actions .ctx-toggle {
     display: inline-flex;
+  }
+
+  .sales-dialogs.is-ctx-open .sales-conversation-actions .ctx-toggle {
     color: var(--primary-text);
     background: var(--primary-bg);
     border-color: var(--primary-border);
   }
 
+  /* Кадр S2: при открытой панели лента затемняется, клик по ней закрывает панель. */
+  .sales-dialogs .ctx-backdrop {
+    display: none;
+    position: absolute;
+    inset: 0;
+    z-index: 3;
+    border: 0;
+    padding: 0;
+    background: rgba(0, 0, 0, 0.18);
+  }
+
+  .sales-dialogs.is-ctx-open .ctx-backdrop {
+    display: block;
+  }
+
   .sales-dialogs .sales-context {
     display: none;
     position: absolute;
@@ -56,10 +74,188 @@
 /* Кадры M1/M2 (≤768px): список и лента — отдельные экраны; сайдбар скрыт,
    шапка бренда живёт в списке. */
 @media (max-width: 768px) {
+  /* Сайдбар на мобильном чате — выезжающее меню (☰ в шапке списка): сама
+     колонка схлопнута, раскрытое тело сайдбара и подложка — fixed. */
   .hub-shell.is-chat-route .hub-sidebar {
+    width: 0;
+    border-right: 0;
+    overflow: visible;
+  }
+
+  .hub-shell.is-chat-route .hub-sidebar .hub-rail {
     display: none;
   }
 
+  .hub-shell.is-chat-route .hub-sidebar.is-rail-expanded .hub-sidebar-body {
+    width: 280px;
+  }
+
+  .sales-dialogs .sales-dialog-list-head > div {
+    display: none;
+  }
+
+  .sales-dialogs .sales-dialog-list-head {
+    padding: 0 16px 10px;
+  }
+
+  .sales-dialogs .sales-dialog-search {
+    height: 36px;
+    border-radius: 9px;
+  }
+
+  .sales-dialogs .sales-dialog-search kbd {
+    display: none;
+  }
+
+  .sales-dialogs .sales-dialog-search input {
+    font-size: 13.5px;
+  }
+
+  .sales-dialogs .sales-dialog-tabs button {
+    padding: 10px 9px 9px;
+  }
+
+  .sales-dialogs .sales-dialog-row {
+    gap: 11px;
+    padding: 12px 16px;
+  }
+
+  .sales-dialogs .sales-dialog-avatar {
+    width: 42px;
+    height: 42px;
+    font-size: 14px;
+  }
+
+  .sales-dialogs .sales-dialog-row-main {
+    gap: 3px;
+  }
+
+  .sales-dialogs .sales-dialog-row-title strong {
+    font-size: 14.5px;
+  }
+
+  .sales-dialogs .sales-dialog-row-title em,
+  .sales-dialogs .sales-dialog-row-agent small {
+    font-size: 11.5px;
+  }
+
+  .sales-dialogs .sales-dialog-row-preview small {
+    font-size: 13px;
+    font-weight: 500;
+  }
+
+  /* Кадр M2: шапка ленты — назад · аватар 36 · имя/статус · контакт · ⋯. */
+  .sales-dialogs .sales-conversation-head {
+    gap: 10px;
+    padding: 10px 12px 10px 8px;
+  }
+
+  .sales-dialogs .sales-conversation-person {
+    flex: 1;
+    min-width: 0;
+    gap: 10px;
+  }
+
+  .sales-dialogs .sales-conversation-avatar {
+    width: 36px;
+    height: 36px;
+    font-size: 13px;
+  }
+
+  .sales-dialogs .sales-conversation-avatar-wrap i {
+    display: none;
+  }
+
+  .sales-dialogs .sales-conversation-person strong {
+    font-size: 14.5px;
+  }
+
+  .sales-dialogs .sales-conversation-person p {
+    font-size: 11.5px;
+  }
+
+  .sales-dialogs .sales-conversation-person p > span:not(.is-status),
+  .sales-dialogs .sales-conversation-person p > i {
+    display: none;
+  }
+
+  .sales-dialogs .sales-conversation-actions {
+    gap: 10px;
+  }
+
+  .sales-dialogs .sales-conversation-actions .sales-claim-button,
+  .sales-dialogs .sales-conversation-actions .sales-secondary-action {
+    display: none;
+  }
+
+  .sales-dialogs .sales-conversation-actions .ctx-toggle,
+  .sales-dialogs .sales-conversation-actions .sales-more-button {
+    width: 36px;
+    height: 36px;
+    border-radius: 8px;
+    color: var(--n-3);
+    background: var(--surface-card);
+    border: 1px solid var(--n-8);
+  }
+
+  .sales-dialogs.is-ctx-open .sales-conversation-actions .ctx-toggle {
+    color: var(--primary-text);
+    background: var(--primary-bg);
+    border-color: var(--primary-border);
+  }
+
+  .sales-dialogs .sales-timeline {
+    padding: 16px 14px 8px;
+  }
+
+  /* Кадр M2: компактный композер — поле и круглая кнопка отправки в одной строке. */
+  .sales-dialogs .sales-composer {
+    padding: 8px 12px 14px;
+  }
+
+  .sales-dialogs .composer-warning {
+    margin: 0 6px 6px;
+  }
+
+  .sales-dialogs .composer-box {
+    display: flex;
+    align-items: flex-end;
+    gap: 8px;
+    padding: 6px 6px 6px 14px;
+    border-radius: 14px;
+  }
+
+  .sales-dialogs .composer-box textarea {
+    flex: 1;
+    min-height: 35px;
+    padding: 8px 0;
+    font-size: 14px;
+  }
+
+  .sales-dialogs .composer-toolbar {
+    padding: 0;
+    gap: 0;
+  }
+
+  .sales-dialogs .composer-tool,
+  .sales-dialogs .composer-spacer,
+  .sales-dialogs .composer-send > span,
+  .sales-dialogs .composer-send kbd {
+    display: none;
+  }
+
+  .sales-dialogs .composer-send {
+    width: 38px;
+    height: 38px;
+    padding: 0;
+    justify-content: center;
+    border-radius: 10px;
+  }
+
+  .sales-dialogs .composer-send svg {
+    display: block;
+  }
+
   .sales-dialogs .sales-dialog-list {
     width: 100%;
     border-right: 0;
@@ -81,7 +277,10 @@
     width: min(320px, 100%);
   }
 
-  .sales-conversation-head .mobile-back {
+}
+
+@media (max-width: 768px) {
+  .sales-dialogs .sales-conversation-head .mobile-back {
     display: flex;
   }
 }
@@ -89,6 +288,7 @@
 .sales-conversation-head .mobile-back {
   display: none;
   align-items: center;
+  margin-right: -2px;
   justify-content: center;
   width: 36px;
   height: 36px;
@@ -103,34 +303,74 @@
   transform: rotate(180deg);
 }
 
-/* Мобильная шапка списка (кадр M1). */
+/* Мобильная шапка списка (кадр M1): ☰ · заголовок охвата с подписью · аватар. */
 .chat-mobile-header {
   display: none;
   align-items: center;
-  justify-content: space-between;
   gap: 10px;
-  padding: 10px 14px 4px;
+  height: 56px;
+  padding: 12px 12px 8px 8px;
 }
 
-.chat-mobile-brand {
+.chat-mobile-menu {
+  width: 36px;
+  height: 36px;
   display: flex;
   align-items: center;
-  gap: 10px;
+  justify-content: center;
+  flex: none;
+  border: 0;
+  border-radius: 8px;
+  padding: 0;
+  color: var(--n-3);
+  background: transparent;
+}
+
+.chat-mobile-menu:hover {
+  background: var(--n-9);
+}
+
+.chat-mobile-title {
+  flex: 1;
   min-width: 0;
+  display: flex;
+  flex-direction: column;
+  align-items: flex-start;
+  gap: 1px;
   border: 0;
   padding: 0;
   background: transparent;
+  text-align: left;
+}
+
+.chat-mobile-title strong {
+  max-width: 100%;
+  display: flex;
+  align-items: center;
+  gap: 5px;
   color: var(--n-1);
   font-size: 14.5px;
   font-weight: 700;
 }
 
-.chat-mobile-brand strong {
+.chat-mobile-title strong span {
   overflow: hidden;
   text-overflow: ellipsis;
   white-space: nowrap;
 }
 
+.chat-mobile-title strong svg {
+  flex: none;
+  color: var(--n-4);
+}
+
+.chat-mobile-title small {
+  color: var(--n-4);
+  font-size: 11px;
+  font-weight: 400;
+  white-space: nowrap;
+}
+
 .chat-mobile-avatar {
   border: 0;
   padding: 0;
@@ -138,6 +378,12 @@
   background: transparent;
 }
 
+.chat-mobile-avatar .avatar {
+  width: 32px;
+  height: 32px;
+  font-size: 11px;
+}
+
 @media (max-width: 768px) {
   .chat-mobile-header {
     display: flex;
diff --git a/apps/internal-ui/src/features/sales/dialogs/list.css b/apps/internal-ui/src/features/sales/dialogs/list.css
index 0a5717b..0012ba0 100644
--- a/apps/internal-ui/src/features/sales/dialogs/list.css
+++ b/apps/internal-ui/src/features/sales/dialogs/list.css
@@ -116,6 +116,7 @@
   margin-bottom: -1px;
   font-size: 12.5px;
   font-weight: 500;
+  line-height: 14px;
   white-space: nowrap;
 }
 
@@ -146,6 +147,32 @@
 }
 
 /* Строка диалога (решение 4). Активная — фон n9, без акцентной полосы. */
+/* Кадр S1: пустой список без призыва к действию. */
+.sales-dialog-list-empty {
+  padding: 64px 28px;
+  text-align: center;
+}
+
+.sales-dialog-list-empty span {
+  width: 44px;
+  height: 44px;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  margin-bottom: 12px;
+  color: var(--n-5);
+  background: var(--n-10);
+  border-radius: 50%;
+}
+
+.sales-dialog-list-empty p {
+  margin: 0;
+  color: var(--n-3);
+  font-size: 13.5px;
+  font-weight: 600;
+  line-height: 1.45;
+}
+
 .sales-dialog-row {
   position: relative;
   width: 100%;
diff --git a/apps/internal-ui/src/layout/ChatMobileHeader.tsx b/apps/internal-ui/src/layout/ChatMobileHeader.tsx
index 8f3d8f8..35e73d3 100644
--- a/apps/internal-ui/src/layout/ChatMobileHeader.tsx
+++ b/apps/internal-ui/src/layout/ChatMobileHeader.tsx
@@ -2,14 +2,23 @@ import { Dropdown } from "antd";
 import { useState } from "react";
 
 import type { RouteKey, SessionUser } from "../types";
-import { Icon, LogoIcon } from "../shared/icons";
+import { Icon } from "../shared/icons";
 import { Avatar } from "../shared/ui";
-import { defaultRoute } from "../auth/access";
+import { scopeLabel, type DialogScope } from "../features/conversations/ConversationWorkspace";
 
-// Мобильная шапка экрана списка (дизайн-базлайн v2, кадр M1): логотип +
-// организация слева, аватар с меню профиля справа. Видна только на ≤768px —
-// сайдбар на мобильном чате скрыт.
-export function ChatMobileHeader({ user, setRoute, onLogout }: { user: SessionUser; setRoute: (route: RouteKey) => void; onLogout: () => void }) {
+// Мобильная шапка экрана списка (дизайн-базлайн v2, кадр M1): ☰ и заголовок
+// охвата открывают дерево «Диалоги» выезжающим меню; справа — аватар с меню
+// профиля. Видна только на ≤768px.
+
+function pluralDialogs(count: number): string {
+  const mod10 = count % 10;
+  const mod100 = count % 100;
+  if (mod10 === 1 && mod100 !== 11) return `${count} диалог`;
+  if (mod10 >= 2 && mod10 <= 4 && (mod100 < 10 || mod100 >= 20)) return `${count} диалога`;
+  return `${count} диалогов`;
+}
+
+export function ChatMobileHeader({ user, scope, total, setRoute, onLogout, onOpenMenu }: { user: SessionUser; scope: DialogScope; total: number; setRoute: (route: RouteKey) => void; onLogout: () => void; onOpenMenu: () => void }) {
   const [open, setOpen] = useState(false);
   const menuItems = [
     { key: "profile", label: <button type="button" onClick={() => setRoute("profile")}><Icon name="user" size={15} />Профиль</button> },
@@ -17,13 +26,13 @@ export function ChatMobileHeader({ user, setRoute, onLogout }: { user: SessionUs
     { type: "divider" as const },
     { key: "logout", label: <button type="button" className="danger" onClick={onLogout}><Icon name="logout" size={15} />Выйти</button> },
   ];
+  const title = scope.kind === "all" ? "Все диалоги" : scopeLabel(scope);
   return (
     <div className="chat-mobile-header">
-      <button className="chat-mobile-brand" type="button" onClick={() => setRoute(defaultRoute(user))}>
-        <span className={`hub-brand-mark ${user.organizationLogoUrl ? "has-logo" : ""}`}>
-          {user.organizationLogoUrl ? <img src={user.organizationLogoUrl} alt="" /> : <LogoIcon />}
-        </span>
-        <strong>{user.organizationName || "Chatbolls"}</strong>
+      <button className="chat-mobile-menu" type="button" aria-label="Меню" onClick={onOpenMenu}><Icon name="list" size={20} /></button>
+      <button className="chat-mobile-title" type="button" onClick={onOpenMenu}>
+        <strong><span>{title}</span><Icon name="chevron" size={14} /></strong>
+        <small>{user.organizationName || "Chatbolls"} · {pluralDialogs(total)}</small>
       </button>
       <Dropdown menu={{ items: menuItems }} open={open} onOpenChange={setOpen} trigger={["click"]} placement="bottomRight" overlayClassName="app-dropdown is-wide">
         <button className="chat-mobile-avatar" type="button" aria-label="Меню пользователя"><Avatar user={user} /></button>
diff --git a/apps/internal-ui/src/layout/Shell.tsx b/apps/internal-ui/src/layout/Shell.tsx
index fed426b..ada31c5 100644
--- a/apps/internal-ui/src/layout/Shell.tsx
+++ b/apps/internal-ui/src/layout/Shell.tsx
@@ -18,6 +18,8 @@ export function Shell({ route, setRoute, selectedEmployeeId, selectedProductCode
   const [unreadCount, setUnreadCount] = useState(0);
   const [notifOpen, setNotifOpen] = useState(false);
   const [waitingCount, setWaitingCount] = useState(0);
+  // Кадры S2/M1: рейка или ☰ раскрывают сайдбар поверх контента.
+  const [sidebarExpanded, setSidebarExpanded] = useState(false);
   const prevUnread = useRef<number | null>(null);
   const manager = isManager(user);
   // Охват чата живёт здесь: сотрудницкий сайдбар и страница чата делят одно
@@ -96,7 +98,7 @@ export function Shell({ route, setRoute, selectedEmployeeId, selectedProductCode
   const isKnowledgeEditor = route === "aiKnowledgeCreate" || route === "aiKnowledgeDetail";
   return (
     <div className={`hub-shell ${isDialogsWorkspace ? "is-chat-route" : ""}`}>
-      <Sidebar route={route} user={user} setRoute={setRoute} onLogout={onLogout} waitingCount={waitingCount} chatScope={chatScope.scope} setChatScope={chatScope.setScope} chatCounters={chatScope.counters} unreadCount={unreadCount} onOpenNotifications={() => { setNotifOpen(true); void loadNotifications(); }} />
+      <Sidebar route={route} user={user} setRoute={setRoute} onLogout={onLogout} waitingCount={waitingCount} chatScope={chatScope.scope} setChatScope={chatScope.setScope} chatCounters={chatScope.counters} unreadCount={unreadCount} onOpenNotifications={() => { setNotifOpen(true); void loadNotifications(); }} expanded={sidebarExpanded} setExpanded={setSidebarExpanded} />
       <div className="hub-main">
         {/* У сотрудника верхней панели нет (дизайн-базлайн v2 §4.1). */}
         {/* Дизайн-базлайн v2 (A1/A2): верхней панели в чате нет и у менеджера;
@@ -104,7 +106,7 @@ export function Shell({ route, setRoute, selectedEmployeeId, selectedProductCode
         {manager && !isDialogsWorkspace && <TopBar route={route} user={user} currentEmployee={currentEmployee} currentAgentName={agentName} currentChannelName={channelName} setRoute={setRoute} unreadCount={unreadCount} onOpenNotifications={() => { setNotifOpen(true); void loadNotifications(); }} />}
         <main className={`hub-scroll ${isDialogsWorkspace ? "sales-dialogs-scroll" : ""} ${isAiFullWidth ? "ai-fullwidth-scroll" : ""}`}>
           <div className={`hub-page ${isSalesWorkspace || isSupportWorkspace ? "sales-workspace-page" : ""} ${isDialogsWorkspace ? "sales-dialogs-page" : ""} ${isSalesClients ? "sales-clients-page" : ""} ${isSalesClientDetail ? "sales-client-detail-page" : ""} ${isAiFullWidth ? "ai-fullwidth-page" : ""} ${isKnowledgeLibrary ? "ai-knowledge-library-page" : ""} ${isKnowledgeEditor ? "ai-knowledge-editor-page" : ""}`}>
-            <ShellRouteContent chatScope={chatScope.scope} setChatScope={chatScope.setScope} chatCounters={chatScope.counters} chatScopeSwitcher={manager} route={route} data={data} currentEmployee={currentEmployee} selectedProductCode={selectedProductCode} selectedAgentId={selectedAgentId} selectedKnowledgeId={selectedKnowledgeId} selectedConversationId={selectedConversationId} selectedClientId={selectedClientId} openClient={openClientRoute} selectedChannelId={selectedChannelId} openChannel={openChannelRoute} selectedSupportPortalId={selectedSupportPortalId} openSupportPortal={openSupportPortalRoute} openConversation={openConversationRoute} openEmployee={openEmployee} openAgentCreate={openAgentCreateRoute} openAgent={openAgentRoute} openKnowledge={openKnowledgeRoute} onAgentLoaded={setAgentName} onChannelLoaded={setChannelName} reload={reload} setRoute={setRoute} user={user} onUserUpdated={onUserUpdated} onLogout={onLogout} />
+            <ShellRouteContent chatScope={chatScope.scope} setChatScope={chatScope.setScope} chatCounters={chatScope.counters} chatScopeSwitcher={manager} route={route} data={data} currentEmployee={currentEmployee} selectedProductCode={selectedProductCode} selectedAgentId={selectedAgentId} selectedKnowledgeId={selectedKnowledgeId} selectedConversationId={selectedConversationId} selectedClientId={selectedClientId} openClient={openClientRoute} selectedChannelId={selectedChannelId} openChannel={openChannelRoute} selectedSupportPortalId={selectedSupportPortalId} openSupportPortal={openSupportPortalRoute} openConversation={openConversationRoute} openEmployee={openEmployee} openAgentCreate={openAgentCreateRoute} openAgent={openAgentRoute} openKnowledge={openKnowledgeRoute} onAgentLoaded={setAgentName} onChannelLoaded={setChannelName} reload={reload} setRoute={setRoute} user={user} onUserUpdated={onUserUpdated} onLogout={onLogout} onOpenSidebar={() => setSidebarExpanded(true)} />
           </div>
         </main>
       </div>
diff --git a/apps/internal-ui/src/layout/ShellRouteContent.tsx b/apps/internal-ui/src/layout/ShellRouteContent.tsx
index 2a4b739..7f52e63 100644
--- a/apps/internal-ui/src/layout/ShellRouteContent.tsx
+++ b/apps/internal-ui/src/layout/ShellRouteContent.tsx
@@ -25,7 +25,7 @@ const SupportPortalDetailPage = lazy(() => import("../features/support-portals/S
   (module) => ({ default: module.SupportPortalDetailPage }),
 ));
 
-export function ShellRouteContent({ chatScope, setChatScope, chatCounters, chatScopeSwitcher, route, data, currentEmployee, selectedProductCode, selectedAgentId, selectedKnowledgeId, selectedConversationId, selectedClientId, openClient, selectedChannelId, openChannel, selectedSupportPortalId, openSupportPortal, openConversation, openEmployee, openAgentCreate, openAgent, openKnowledge, onAgentLoaded, onChannelLoaded, reload, setRoute, user, onUserUpdated, onLogout }: { chatScope: DialogScope; setChatScope: (scope: DialogScope) => void; chatCounters: ConversationCounters | null; chatScopeSwitcher: boolean; route: RouteKey; data: AppData; currentEmployee: Employee | null; selectedProductCode: string | null; selectedAgentId: number | null; selectedKnowledgeId: number | null; selectedConversationId: number | null; selectedClientId: number | null; openClient: (clientId: number) => void; selectedChannelId: number | null; openChannel: (channelId: number) => void; selectedSupportPortalId: number | null; openSupportPortal: (portalId: number) => void; openConversation: (conversationId: number) => void; openEmployee: (employee: Employee) => void; openAgentCreate: (productCode: string | null) => void; openAgent: (agentId: number) => void; openKnowledge: (knowledgeId: number) => void; onAgentLoaded: (name: string | null) => void; onChannelLoaded: (name: string | null) => void; reload: () => void; setRoute: (route: RouteKey) => void; user: SessionUser; onUserUpdated: (user: SessionUser) => void; onLogout: () => void }) {
+export function ShellRouteContent({ chatScope, setChatScope, chatCounters, chatScopeSwitcher, route, data, currentEmployee, selectedProductCode, selectedAgentId, selectedKnowledgeId, selectedConversationId, selectedClientId, openClient, selectedChannelId, openChannel, selectedSupportPortalId, openSupportPortal, openConversation, openEmployee, openAgentCreate, openAgent, openKnowledge, onAgentLoaded, onChannelLoaded, reload, setRoute, user, onUserUpdated, onLogout, onOpenSidebar }: { chatScope: DialogScope; setChatScope: (scope: DialogScope) => void; chatCounters: ConversationCounters | null; chatScopeSwitcher: boolean; route: RouteKey; data: AppData; currentEmployee: Employee | null; selectedProductCode: string | null; selectedAgentId: number | null; selectedKnowledgeId: number | null; selectedConversationId: number | null; selectedClientId: number | null; openClient: (clientId: number) => void; selectedChannelId: number | null; openChannel: (channelId: number) => void; selectedSupportPortalId: number | null; openSupportPortal: (portalId: number) => void; openConversation: (conversationId: number) => void; openEmployee: (employee: Employee) => void; openAgentCreate: (productCode: string | null) => void; openAgent: (agentId: number) => void; openKnowledge: (knowledgeId: number) => void; onAgentLoaded: (name: string | null) => void; onChannelLoaded: (name: string | null) => void; reload: () => void; setRoute: (route: RouteKey) => void; user: SessionUser; onUserUpdated: (user: SessionUser) => void; onLogout: () => void; onOpenSidebar: () => void }) {
   return (
     <>
       {route === "employees" && <EmployeesPage groups={data.groups} employees={data.employees} reload={reload} openEmployee={openEmployee} setRoute={setRoute} user={user} />}
@@ -46,14 +46,13 @@ export function ShellRouteContent({ chatScope, setChatScope, chatCounters, chatS
         <ChatPage
           initialConversationId={selectedConversationId}
           user={user}
-          groups={data.groups}
-          employees={dialogAssignees(data)}
           scope={chatScope}
           setScope={setChatScope}
           counters={chatCounters}
           showScopeSwitcher={chatScopeSwitcher}
           setRoute={setRoute}
           onLogout={onLogout}
+          onOpenMenu={onOpenSidebar}
         />
       )}
       {route === "agents" && <AgentsPage agents={data.agents} groups={data.groups} reload={reload} openAgent={openAgent} />}
@@ -80,9 +79,3 @@ export function ShellRouteContent({ chatScope, setChatScope, chatCounters, chatS
 }
 
 // Кандидаты в «Ответственные»: id сотрудника в employee-API — это id пользователя.
-function dialogAssignees(data: AppData): Array<{ id: number; name: string }> {
-  return data.employees.map((employee) => ({
-    id: employee.id,
-    name: employee.fullName || employee.email,
-  }));
-}
diff --git a/apps/internal-ui/src/layout/Sidebar.tsx b/apps/internal-ui/src/layout/Sidebar.tsx
index 7f3908a..fa6be88 100644
--- a/apps/internal-ui/src/layout/Sidebar.tsx
+++ b/apps/internal-ui/src/layout/Sidebar.tsx
@@ -1,4 +1,4 @@
-import { useState } from "react";
+import { Dropdown } from "antd";
 
 import type { RouteKey, SessionUser } from "../types";
 import { Icon, LogoIcon } from "../shared/icons";
@@ -55,6 +55,8 @@ export function Sidebar({
   chatCounters,
   unreadCount = 0,
   onOpenNotifications,
+  expanded: railExpanded,
+  setExpanded: setRailExpanded,
 }: {
   route: RouteKey;
   user: SessionUser;
@@ -66,11 +68,13 @@ export function Sidebar({
   chatCounters: ConversationCounters | null;
   unreadCount?: number;
   onOpenNotifications?: () => void;
+  expanded: boolean;
+  setExpanded: (expanded: boolean) => void;
 }) {
   const manager = isManager(user);
   // Кадр S2: на ≤1024px сайдбар сжимается в рейку 60px; «развернуть»
-  // раскрывает полный сайдбар поверх контента.
-  const [railExpanded, setRailExpanded] = useState(false);
+  // раскрывает полный сайдбар поверх контента (состояние — в Shell, его же
+  // открывает ☰ мобильной шапки чата, кадр M1).
   const sectionStorageKey = (section: string) => (
     `chatbolls.sidebar.${user.organizationPublicId}.${section}.expanded`
   );
@@ -105,14 +109,26 @@ export function Sidebar({
       </div>
       {railExpanded && <button className="hub-rail-backdrop" aria-label="Свернуть меню" type="button" onClick={() => setRailExpanded(false)} />}
       <div className="hub-sidebar-body" onClick={() => setRailExpanded(false)}>
-      <button className="hub-brand" type="button" onClick={() => setRoute(defaultRoute(user))}>
-        <div className={`hub-brand-mark ${user.organizationLogoUrl ? "has-logo" : ""}`}>
+      <div className="hub-brand">
+        <button className={`hub-brand-mark ${user.organizationLogoUrl ? "has-logo" : ""}`} type="button" aria-label="На главную" onClick={() => setRoute(defaultRoute(user))}>
           {user.organizationLogoUrl
             ? <img src={user.organizationLogoUrl} alt="" />
             : <LogoIcon />}
-        </div>
-        <strong>{user.organizationName || "Chatbolls"}</strong>
-      </button>
+        </button>
+        {/* Переключатель организации (дизайн-базлайн v2, A1): пока у пользователя
+            одна организация — в списке она одна, отмечена. */}
+        <Dropdown
+          trigger={["click"]}
+          placement="bottomLeft"
+          overlayClassName="app-dropdown is-wide"
+          menu={{ items: [{ key: "current", label: <button type="button" className="is-checked"><Icon name="building" size={15} />{user.organizationName || "Chatbolls"}</button> }] }}
+        >
+          <button className="hub-brand-switch" type="button">
+            <span>{user.organizationName || "Chatbolls"}</span>
+            <Icon name="chevron" size={14} />
+          </button>
+        </Dropdown>
+      </div>
       {manager ? (
         <nav className="hub-nav">
           <SidebarLink icon="message" label="Чат" badge={waitingCount > 0 ? String(waitingCount) : undefined} route={route} routeKey="chat" setRoute={setRoute} />
@@ -181,7 +197,7 @@ function ChatScopeTree({
         <span>Все диалоги</span>
         {counters && <small>{counters.all}</small>}
       </button>
-      {counters && counters.groups.length > 0 && (
+      {counters && (
         <>
           <div className="chat-scope-section"><Icon name="team" size={15} /><span>Группы</span></div>
           {counters.groups.map((group) => (
@@ -196,18 +212,20 @@ function ChatScopeTree({
               <small>{group.count}</small>
             </button>
           ))}
-          <button
-            className={`chat-scope-item is-nested ${isActive({ kind: "ungrouped" }) ? "is-active" : ""}`}
-            type="button"
-            onClick={() => setScope({ kind: "ungrouped" })}
-          >
-            <i className="chat-scope-dot is-muted" />
-            <span>Без группы</span>
-            {counters && <small>{counters.ungrouped}</small>}
-          </button>
+          {counters.groups.length > 0 && (
+            <button
+              className={`chat-scope-item is-nested ${isActive({ kind: "ungrouped" }) ? "is-active" : ""}`}
+              type="button"
+              onClick={() => setScope({ kind: "ungrouped" })}
+            >
+              <i className="chat-scope-dot is-muted" />
+              <span>Без группы</span>
+              <small>{counters.ungrouped}</small>
+            </button>
+          )}
         </>
       )}
-      {counters && counters.agents.length > 0 && (
+      {counters && (
         <>
           <div className="chat-scope-section"><Icon name="robot" size={15} /><span>Агенты</span></div>
           {counters.agents.map((agent) => (
diff --git a/apps/internal-ui/src/layout/styles.css b/apps/internal-ui/src/layout/styles.css
index 8e63093..106044d 100644
--- a/apps/internal-ui/src/layout/styles.css
+++ b/apps/internal-ui/src/layout/styles.css
@@ -5,6 +5,12 @@
   background: var(--n-11);
 }
 
+/* Страницы вне чата не адаптированы под мобильный — держат десктопную ширину.
+   Чат (кадры M1/M2) адаптивен и ограничение снимает. */
+.hub-shell:not(.is-chat-route) {
+  min-width: 1024px;
+}
+
 /* Сайдбар 220px (дизайн-базлайн v2, решение 1): фон surface2, без верхней панели. */
 .hub-sidebar {
   width: 220px;
@@ -124,15 +130,48 @@
   flex: none;
   gap: 10px;
   padding: 14px 14px 10px;
+}
+
+.hub-brand-mark {
+  border: 0;
+  padding: 0;
+}
+
+/* Переключатель организации (A1): имя + шеврон, 32px. */
+.hub-brand-switch {
+  flex: 1;
+  min-width: 0;
+  height: 32px;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 6px;
+  padding: 0 6px 0 8px;
+  border: 0;
+  border-radius: 8px;
   background: transparent;
-  border: none;
+  color: var(--n-1);
+  font-size: 14px;
+  font-weight: 700;
   text-align: left;
 }
 
-.hub-brand:hover {
+.hub-brand-switch:hover {
   background: var(--n-9);
 }
 
+.hub-brand-switch span {
+  min-width: 0;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.hub-brand-switch svg {
+  flex: none;
+  color: var(--n-4);
+}
+
 .hub-brand-mark {
   width: 28px;
   height: 28px;
@@ -159,18 +198,6 @@
   object-fit: contain;
 }
 
-.hub-brand strong {
-  display: block;
-  min-width: 0;
-  overflow: hidden;
-  color: var(--n-1);
-  font-size: 14px;
-  font-weight: 700;
-  line-height: 1.35;
-  text-overflow: ellipsis;
-  white-space: nowrap;
-}
-
 .profile-link strong {
   display: block;
   overflow: hidden;
@@ -342,6 +369,10 @@
 }
 
 /* Дерево «Диалоги» сотрудника (дизайн-базлайн v2 §3): сайдбар = фильтр чата. */
+.chat-scope-tree {
+  padding-bottom: 12px;
+}
+
 .chat-scope-head {
   display: flex;
   align-items: center;
diff --git a/apps/internal-ui/src/shared/menu.css b/apps/internal-ui/src/shared/menu.css
index f91e1b3..1b57f6e 100644
--- a/apps/internal-ui/src/shared/menu.css
+++ b/apps/internal-ui/src/shared/menu.css
@@ -5,11 +5,20 @@
    больше нет — портал antd сам закрывается по клику вне и по Esc и не
    обрезается overflow-контейнерами. */
 
+/* Геометрия по дизайн-базлайну v2 (кадр C, меню ⋯): 220px, отступ 5,
+   скругление 10, пункты 33px r7, разделитель n-9. */
 .app-dropdown .ant-dropdown-menu {
-  width: 200px;
+  width: 220px;
   padding: 5px;
+  background: var(--surface-card);
   border: 1px solid var(--n-8);
   border-radius: 10px;
+  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
+}
+
+.app-dropdown .ant-dropdown-menu .ant-dropdown-menu-item-divider {
+  margin: 4px 8px;
+  background: var(--n-9);
 }
 
 .app-dropdown.is-wide .ant-dropdown-menu {
@@ -26,7 +35,7 @@
 
 .app-dropdown .ant-dropdown-menu-item button {
   width: 100%;
-  min-height: 32px;
+  min-height: 33px;
   display: flex;
   align-items: center;
   gap: 9px;
@@ -34,9 +43,10 @@
   color: var(--n-2);
   background: transparent;
   border: 0;
-  border-radius: 6px;
+  border-radius: 7px;
   font-size: 13px;
   font-weight: 500;
+  line-height: 17px;
   text-align: left;
   cursor: pointer;
   white-space: nowrap;
diff --git a/apps/internal-ui/src/shared/useMediaQuery.ts b/apps/internal-ui/src/shared/useMediaQuery.ts
new file mode 100644
index 0000000..52a12af
--- /dev/null
+++ b/apps/internal-ui/src/shared/useMediaQuery.ts
@@ -0,0 +1,17 @@
+import { useEffect, useState } from "react";
+
+// Реактивный matchMedia — для разметки, которую CSS переключить не может
+// (текст плейсхолдера, набор кнопок на мобильном кадре M2).
+export function useMediaQuery(query: string): boolean {
+  const get = () => (typeof window !== "undefined" && window.matchMedia ? window.matchMedia(query).matches : false);
+  const [matches, setMatches] = useState(get);
+  useEffect(() => {
+    if (typeof window === "undefined" || !window.matchMedia) return;
+    const media = window.matchMedia(query);
+    const onChange = () => setMatches(media.matches);
+    onChange();
+    media.addEventListener("change", onChange);
+    return () => media.removeEventListener("change", onChange);
+  }, [query]);
+  return matches;
+}
diff --git a/apps/internal-ui/src/styles/base.css b/apps/internal-ui/src/styles/base.css
index d0357e1..91fc1ae 100644
--- a/apps/internal-ui/src/styles/base.css
+++ b/apps/internal-ui/src/styles/base.css
@@ -112,7 +112,6 @@
 html,
 body,
 #root {
-  min-width: 1024px;
   min-height: 100%;
   margin: 0;
 }
@@ -125,7 +124,9 @@ body {
 }
 
 button,
-input {
+input,
+textarea,
+select {
   font: inherit;
 }