diff --git a/backend/api/v1/requests_app/views.py b/backend/api/v1/requests_app/views.py
index 21fc4ba6..c30e7928 100644
--- a/backend/api/v1/requests_app/views.py
+++ b/backend/api/v1/requests_app/views.py
@@ -514,7 +514,7 @@ class RequestViewSet(viewsets.ModelViewSet):
         req_obj = self.get_object()
 
         # Получаем чат для этой заявки
-        chat = comments_helpers.get_or_create_comments_chat(req_obj)[0]
+        chat = comments_helpers.get_or_create_comments_chat(req_obj)
 
         # Находим комментарий
         try:
diff --git a/backend/tests/api/v1/requests_app/test_requests_api.py b/backend/tests/api/v1/requests_app/test_requests_api.py
index 32213290..88f67ce2 100644
--- a/backend/tests/api/v1/requests_app/test_requests_api.py
+++ b/backend/tests/api/v1/requests_app/test_requests_api.py
@@ -386,6 +386,32 @@ def test_comments_allowed_for_admin_and_manager(
     assert post_r.status_code == 201, "Получатель должен уметь создавать комментарий"
 
 
+def test_comment_author_can_delete_own_comment(
+    auth_client,
+    regular_user: models.Model,
+    make_request,
+) -> None:
+    """Автор комментария может удалить свой комментарий без 500."""
+    req = make_request(employee=regular_user)
+    client = auth_client(regular_user)
+
+    post_resp = client.post(
+        f"{API_BASE}{req.id}/comments/",
+        data={"text": "удаляемый комментарий"},
+        format="json",
+    )
+    assert post_resp.status_code == 201
+    comment_id = post_resp.json()["id"]
+
+    delete_resp = client.delete(f"{API_BASE}{req.id}/comments/{comment_id}/")
+    assert delete_resp.status_code == 204
+
+    list_resp = client.get(f"{API_BASE}{req.id}/comments/")
+    assert list_resp.status_code == 200
+    ids = {item["id"] for item in _results(list_resp.json())}
+    assert comment_id not in ids
+
+
 # ------------------------------------------------------------------------------
 # 8) ФИЛЬТРЫ
 # ------------------------------------------------------------------------------
@@ -434,4 +460,4 @@ def test_invalid_filter_does_not_crash(auth_client, admin_user: models.Model) ->
     """Странные значения фильтров не приводят к 500."""
     client = auth_client(admin_user)
     resp = client.get(f"{API_BASE}?type=__sql__' OR 1=1 --&status=")
-    assert resp.status_code == 200
\ No newline at end of file
+    assert resp.status_code == 200
diff --git a/frontend/src/app/requests/page.tsx b/frontend/src/app/requests/page.tsx
index f509b606..0ca80bf6 100644
--- a/frontend/src/app/requests/page.tsx
+++ b/frontend/src/app/requests/page.tsx
@@ -235,7 +235,7 @@ function RequestsPageContent() {
               const summary = item.comment || item.description;
 
               return (
-                <article key={item.id} className="app-surface overflow-hidden rounded-xl transition hover:border-[var(--border-strong)]">
+                <article key={item.id} className="app-surface-muted overflow-hidden rounded-xl transition hover:border-[var(--border-strong)]">
                   <div className="p-4">
                     <div className="flex items-start gap-3">
                       <button type="button" onClick={() => h.toggleRow(item.id)} className="app-action-secondary mt-0.5 inline-flex h-8 w-8 shrink-0 items-center justify-center rounded-lg transition"><ChevronDown size={15} className={`transition ${rowOpen ? "rotate-180" : ""}`} /></button>
@@ -271,7 +271,7 @@ function RequestsPageContent() {
                     </div>
 
                     {(rowOpen || commentsOpen) && (
-                      <div className="app-surface-muted mt-4 rounded-xl p-4">
+                      <div className="app-surface-elevated mt-4 rounded-xl p-4">
                         {rowOpen && (
                           <div className="space-y-3 text-xs">
                             <div className="grid grid-cols-1 gap-x-4 gap-y-2 sm:grid-cols-2">
diff --git a/frontend/src/hooks/useRequestsPage.ts b/frontend/src/hooks/useRequestsPage.ts
index 53ba593c..698c5217 100644
--- a/frontend/src/hooks/useRequestsPage.ts
+++ b/frontend/src/hooks/useRequestsPage.ts
@@ -320,6 +320,9 @@ export function useRequestsPage(_userId: number | null | undefined) {
   };
 
   const handleDelete = async (id: number) => {
+    if (!window.confirm("Удалить заявление? Это действие нельзя отменить.")) {
+      return;
+    }
     try { setBusyKey(`delete-${id}`); setActionError(null); await apiClient.deleteRequest(id); setRequests((p) => p.filter((r) => r.id !== id)); }
     catch (e: unknown) { setActionError(String((e as Error)?.message || "Не удалось удалить")); }
     finally { setBusyKey(null); }