diff --git a/.github/workflows/_docker-build-push.yml b/.github/workflows/_docker-build-push.yml
index 30929e9..0be2ec5 100644
--- a/.github/workflows/_docker-build-push.yml
+++ b/.github/workflows/_docker-build-push.yml
@@ -2,7 +2,7 @@ name: Docker build & push (reusable)
 
 # Reusable workflow that builds the three image targets defined in
 # deploy/docker/Dockerfile (backend, worker, frontend) and optionally pushes
-# them to the selected registries under the 3252a8/ namespace.
+# them to the selected registries under the repository owner's namespace.
 #
 # Called by:
 #   - docker-dev.yml      (tag_mode: dev,     push: true)  on pushes to dev
@@ -88,13 +88,19 @@ jobs:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
+      - name: Resolve image namespace
+        id: image_namespace
+        run: |
+          owner="${{ github.repository_owner }}"
+          echo "owner=${owner,,}" >> "$GITHUB_OUTPUT"
+
       - name: Docker metadata
         id: meta
         uses: docker/metadata-action@v5
         with:
           images: |
-            name=3252a8/${{ matrix.image }},enable=${{ inputs.publish_dockerhub }}
-            name=ghcr.io/3252a8/${{ matrix.image }},enable=true
+            name=${{ steps.image_namespace.outputs.owner }}/${{ matrix.image }},enable=${{ inputs.publish_dockerhub }}
+            name=ghcr.io/${{ steps.image_namespace.outputs.owner }}/${{ matrix.image }},enable=true
           tags: |
             type=raw,value=dev,enable=${{ inputs.tag_mode == 'dev' }}
             type=raw,value=latest,enable=${{ inputs.tag_mode == 'release' }}
diff --git a/backend/bot/app/web/admin_settings_manifest.py b/backend/bot/app/web/admin_settings_manifest.py
index a4c4c57..76570b9 100644
--- a/backend/bot/app/web/admin_settings_manifest.py
+++ b/backend/bot/app/web/admin_settings_manifest.py
@@ -348,6 +348,16 @@ SETTINGS_MANIFEST: List[SettingField] = [
         "Английская версия текста на этапе оплаты.",
         subsection="checkout",
     ),
+    SettingField(
+        "PAYMENT_REQUEST_TIMEOUT_SECONDS",
+        "float",
+        "payments",
+        "Таймаут запроса к провайдеру",
+        "Максимальное общее время одного API-запроса к платёжному провайдеру, в секундах.",
+        optional=False,
+        min=1,
+        subsection="checkout",
+    ),
     # ─── Payment providers (toggles) ───────────────────────────────
     # Common
     SettingField("STARS_ENABLED", "bool", "payments", "Telegram Stars", subsection="common"),
diff --git a/backend/bot/app/web/web_server.py b/backend/bot/app/web/web_server.py
index 2b1ae96..797a531 100644
--- a/backend/bot/app/web/web_server.py
+++ b/backend/bot/app/web/web_server.py
@@ -1,13 +1,16 @@
 import asyncio
+import functools
 import hmac
 import logging
 
 from aiogram import Bot, Dispatcher
 from aiogram.webhook.aiohttp_server import SimpleRequestHandler, setup_application
 from aiohttp import web
+from aiohttp.web_log import AccessLogger, KeyMethod
 from sqlalchemy.orm import sessionmaker
 
 from bot.payment_providers import iter_provider_specs, iter_service_keys
+from bot.utils.request_security import request_client_ip
 from config.settings import Settings
 
 
@@ -18,6 +21,39 @@ class SecureSimpleRequestHandler(SimpleRequestHandler):
         return hmac.compare_digest(telegram_secret_token, self.secret_token)
 
 
+class TrustedProxyAccessLogger(AccessLogger):
+    """Aiohttp access logger that respects trusted X-Forwarded-For headers."""
+
+    def compile_format(self, log_format):
+        methods = []
+        for atom in self.FORMAT_RE.findall(log_format):
+            if atom[1] == "":
+                format_key = self.LOG_FORMAT_MAP[atom[0]]
+                method = getattr(type(self), f"_format_{atom[0]}", None)
+                if method is None:
+                    method = getattr(AccessLogger, f"_format_{atom[0]}")
+                methods.append(KeyMethod(format_key, method))
+            else:
+                format_key = (self.LOG_FORMAT_MAP[atom[2]], atom[1])
+                method = getattr(type(self), f"_format_{atom[2]}", None)
+                if method is None:
+                    method = getattr(AccessLogger, f"_format_{atom[2]}")
+                methods.append(KeyMethod(format_key, functools.partial(method, atom[1])))
+
+        compiled = self.FORMAT_RE.sub(r"%s", log_format)
+        compiled = self.CLEANUP_RE.sub(r"%\1", compiled)
+        return compiled, methods
+
+    @staticmethod
+    def _format_a(request, response, time):
+        if request is None:
+            return "-"
+        settings = request.app.get("settings") if hasattr(request, "app") else None
+        trusted_proxies = getattr(settings, "trusted_proxies", None)
+        client_ip = request_client_ip(request, trusted_proxies=trusted_proxies)
+        return client_ip or "-"
+
+
 def _inject_shared_instances(
     app: web.Application,
     dp: Dispatcher,
@@ -110,7 +146,7 @@ async def build_and_start_web_app(
 
     runners = []
 
-    webhooks_runner = web.AppRunner(app)
+    webhooks_runner = web.AppRunner(app, access_log_class=TrustedProxyAccessLogger)
     await webhooks_runner.setup()
     runners.append(webhooks_runner)
     site = web.TCPSite(
@@ -133,7 +169,10 @@ async def build_and_start_web_app(
             settings,
             async_session_factory,
         )
-        subscription_runner = web.AppRunner(subscription_app)
+        subscription_runner = web.AppRunner(
+            subscription_app,
+            access_log_class=TrustedProxyAccessLogger,
+        )
         await subscription_runner.setup()
         runners.append(subscription_runner)
         subscription_site = web.TCPSite(
diff --git a/backend/bot/payment_providers/freekassa.py b/backend/bot/payment_providers/freekassa.py
index 9be3bd0..6ee8d17 100644
--- a/backend/bot/payment_providers/freekassa.py
+++ b/backend/bot/payment_providers/freekassa.py
@@ -153,7 +153,7 @@ class FreeKassaService(HttpClientMixin):
         self.default_currency: str = default_payment_currency_code_for_settings(settings).upper()
 
         self.api_base_url: str = "https://api.fk.life/v1"
-        self._init_http_client(total_timeout=15)
+        self._init_http_client(total_timeout=self.settings.PAYMENT_REQUEST_TIMEOUT_SECONDS)
         self._nonce_lock = asyncio.Lock()
         self._last_nonce = int(time.time() * 1000)
 
diff --git a/backend/bot/payment_providers/heleket.py b/backend/bot/payment_providers/heleket.py
index 5faa786..f11bed5 100644
--- a/backend/bot/payment_providers/heleket.py
+++ b/backend/bot/payment_providers/heleket.py
@@ -243,7 +243,7 @@ class HeleketService(HttpClientMixin):
         self.referral_service = referral_service
         self._default_return_url = default_return_url
 
-        self._init_http_client(total_timeout=20)
+        self._init_http_client(total_timeout=self.settings.PAYMENT_REQUEST_TIMEOUT_SECONDS)
         if not self.configured:
             logging.warning(
                 "HeleketService initialized but not fully configured. Payments disabled."
diff --git a/backend/bot/payment_providers/paykilla.py b/backend/bot/payment_providers/paykilla.py
index b618fa0..4ee14db 100644
--- a/backend/bot/payment_providers/paykilla.py
+++ b/backend/bot/payment_providers/paykilla.py
@@ -546,7 +546,7 @@ class PaykillaService(HttpClientMixin):
         self._exchange_rate_cache: Dict[tuple[str, str], tuple[float, Decimal]] = {}
         self._currency_cache: tuple[float, List[Dict[str, Any]]] = (0, [])
 
-        self._init_http_client(total_timeout=20)
+        self._init_http_client(total_timeout=self.settings.PAYMENT_REQUEST_TIMEOUT_SECONDS)
         if not self.configured:
             logging.warning(
                 "PaykillaService initialized but not fully configured. Payments disabled."
diff --git a/backend/bot/payment_providers/platega.py b/backend/bot/payment_providers/platega.py
index e4f15fc..a05ffe2 100644
--- a/backend/bot/payment_providers/platega.py
+++ b/backend/bot/payment_providers/platega.py
@@ -157,7 +157,7 @@ class PlategaService(HttpClientMixin):
         self.referral_service = referral_service
         self._default_return_url = default_return_url
 
-        self._init_http_client(total_timeout=20)
+        self._init_http_client(total_timeout=self.settings.PAYMENT_REQUEST_TIMEOUT_SECONDS)
         if not self.configured:
             logging.warning(
                 "PlategaService initialized but not fully configured. Payments disabled."
diff --git a/backend/bot/payment_providers/severpay.py b/backend/bot/payment_providers/severpay.py
index 2822e4a..92fd910 100644
--- a/backend/bot/payment_providers/severpay.py
+++ b/backend/bot/payment_providers/severpay.py
@@ -136,7 +136,7 @@ class SeverPayService(HttpClientMixin):
         self.referral_service = referral_service
         self._default_return_url = default_return_url
 
-        self._init_http_client(total_timeout=15)
+        self._init_http_client(total_timeout=self.settings.PAYMENT_REQUEST_TIMEOUT_SECONDS)
 
         if not self.configured:
             logging.warning(
diff --git a/backend/bot/payment_providers/shared/http_client.py b/backend/bot/payment_providers/shared/http_client.py
index c5dbd6d..73787e2 100644
--- a/backend/bot/payment_providers/shared/http_client.py
+++ b/backend/bot/payment_providers/shared/http_client.py
@@ -1,12 +1,14 @@
 from __future__ import annotations
 
+import asyncio
 import json
 import logging
 from typing import Any, Callable, Dict, Mapping, Optional, Tuple
 
-from aiohttp import ClientSession, ClientTimeout
+from aiohttp import ClientError, ClientSession, ClientTimeout, TraceConfig
 
 SuccessCheck = Callable[[int, Any], bool]
+_TRANSPORT_ATTEMPTS = 2
 
 
 def http_ok(status: int, _body: Any) -> bool:
@@ -14,6 +16,29 @@ def http_ok(status: int, _body: Any) -> bool:
     return status == 200
 
 
+def _trace_request_ctx(trace_config_ctx: Any) -> Optional[dict]:
+    ctx = getattr(trace_config_ctx, "trace_request_ctx", None)
+    return ctx if isinstance(ctx, dict) else None
+
+
+async def _mark_request_headers_sent(session, trace_config_ctx, params) -> None:
+    ctx = _trace_request_ctx(trace_config_ctx)
+    if ctx is not None:
+        ctx["headers_sent"] = True
+
+
+def _payment_trace_config() -> TraceConfig:
+    trace_config = TraceConfig()
+    trace_config.on_request_headers_sent.append(_mark_request_headers_sent)
+    return trace_config
+
+
+def _should_retry_transport_error(exc: Exception, trace_ctx: Mapping[str, Any]) -> bool:
+    if trace_ctx.get("headers_sent"):
+        return False
+    return isinstance(exc, (asyncio.TimeoutError, ClientError, OSError))
+
+
 async def post_json_request(
     session: ClientSession,
     url: str,
@@ -29,34 +54,47 @@ async def post_json_request(
     returns ``(False, {"status": ..., "message": ..., "raw": ...?})`` so callers
     can decide what to do (typically: mark the payment as ``failed_creation``).
     """
-    try:
-        async with session.post(
-            url,
-            json=body,
-            headers=dict(headers) if headers else None,
-        ) as response:
-            response_text = await response.text()
-            try:
-                response_data = json.loads(response_text) if response_text else {}
-            except json.JSONDecodeError:
-                logging.error("%s: invalid JSON response: %s", log_prefix, response_text)
-                return False, {
-                    "status": response.status,
-                    "message": "invalid_json",
-                    "raw": response_text,
-                }
-            if not is_success(response.status, response_data):
-                logging.error(
-                    "%s: API returned error (status=%s, body=%s)",
+    for attempt in range(1, _TRANSPORT_ATTEMPTS + 1):
+        trace_ctx: dict[str, Any] = {"headers_sent": False}
+        try:
+            async with session.post(
+                url,
+                json=body,
+                headers=dict(headers) if headers else None,
+                trace_request_ctx=trace_ctx,
+            ) as response:
+                response_text = await response.text()
+                try:
+                    response_data = json.loads(response_text) if response_text else {}
+                except json.JSONDecodeError:
+                    logging.error("%s: invalid JSON response: %s", log_prefix, response_text)
+                    return False, {
+                        "status": response.status,
+                        "message": "invalid_json",
+                        "raw": response_text,
+                    }
+                if not is_success(response.status, response_data):
+                    logging.error(
+                        "%s: API returned error (status=%s, body=%s)",
+                        log_prefix,
+                        response.status,
+                        response_data,
+                    )
+                    return False, {"status": response.status, "message": response_data}
+                return True, response_data
+        except Exception as exc:
+            if attempt < _TRANSPORT_ATTEMPTS and _should_retry_transport_error(exc, trace_ctx):
+                logging.warning(
+                    "%s: transport failed before request headers were sent; retrying (%s/%s): %s",  # noqa: E501
                     log_prefix,
-                    response.status,
-                    response_data,
+                    attempt + 1,
+                    _TRANSPORT_ATTEMPTS,
+                    exc,
                 )
-                return False, {"status": response.status, "message": response_data}
-            return True, response_data
-    except Exception as exc:
-        logging.exception("%s: request failed.", log_prefix)
-        return False, {"message": str(exc)}
+                continue
+            logging.exception("%s: request failed.", log_prefix)
+            return False, {"message": str(exc)}
+    return False, {"message": "request_failed"}
 
 
 def first_value(data: Optional[Mapping[str, Any]], *keys: str) -> Optional[str]:
@@ -76,6 +114,9 @@ class HttpClientMixin:
     Each subclass calls ``self._init_http_client(total_timeout=...)`` from
     ``__init__`` and inherits ``_get_session`` / ``close``. The session is
     created on first use and recreated transparently if it was closed.
+
+    Provider API calls are traced so callers can retry transport failures only
+    when aiohttp has not sent request headers yet.
     """
 
     _timeout: ClientTimeout
@@ -87,7 +128,10 @@ class HttpClientMixin:
 
     async def _get_session(self) -> ClientSession:
         if self._session is None or self._session.closed:
-            self._session = ClientSession(timeout=self._timeout)
+            self._session = ClientSession(
+                timeout=self._timeout,
+                trace_configs=[_payment_trace_config()],
+            )
         return self._session
 
     async def close(self) -> None:
diff --git a/backend/bot/payment_providers/wata.py b/backend/bot/payment_providers/wata.py
index 3d0109e..4c4e2ec 100644
--- a/backend/bot/payment_providers/wata.py
+++ b/backend/bot/payment_providers/wata.py
@@ -206,7 +206,7 @@ class WataService(HttpClientMixin):
         self._default_return_url = default_return_url
         self._cached_public_key_pem = None  # populated by webhook on first verify
 
-        self._init_http_client(total_timeout=10)
+        self._init_http_client(total_timeout=self.settings.PAYMENT_REQUEST_TIMEOUT_SECONDS)
         if not self.configured:
             logging.warning("WataService initialized but not fully configured. Payments disabled.")
 
diff --git a/backend/config/settings.py b/backend/config/settings.py
index 19acc12..a8f56bc 100644
--- a/backend/config/settings.py
+++ b/backend/config/settings.py
@@ -331,6 +331,11 @@ class Settings(BaseSettings):
         default=DEFAULT_SUBSCRIPTION_PURCHASE_DESCRIPTION_EN,
         description="English subscription description shown before purchase/renewal options.",
     )
+    PAYMENT_REQUEST_TIMEOUT_SECONDS: float = Field(
+        default=20,
+        ge=1,
+        description="Maximum total time for one payment provider API request, in seconds.",
+    )
 
     MONTH_1_ENABLED: bool = Field(default=True, alias="1_MONTH_ENABLED")
     MONTH_3_ENABLED: bool = Field(default=True, alias="3_MONTHS_ENABLED")
diff --git a/docs/configuration/env-vars.md b/docs/configuration/env-vars.md
index 605f75a..09aed29 100644
--- a/docs/configuration/env-vars.md
+++ b/docs/configuration/env-vars.md
@@ -210,6 +210,7 @@ proxy/Docker gateway и может отклонить валидный webhook.
 | `PAYMENT_METHODS_ORDER` | Порядок кнопок оплаты: `severpay,wata,freekassa,platega,yookassa,stars,cryptopay,heleket,paykilla`. |
 | `SUBSCRIPTION_PURCHASE_DESCRIPTION_ENABLED` | Показывать описание подписки перед выбором срока. |
 | `SUBSCRIPTION_PURCHASE_DESCRIPTION_RU` / `SUBSCRIPTION_PURCHASE_DESCRIPTION_EN` | Локализованное описание подписки. |
+| `PAYMENT_REQUEST_TIMEOUT_SECONDS` | Общий таймаут одного API-запроса к платёжному провайдеру, в секундах. По умолчанию `20`. |
 | `PAYMENT_<METHOD>_WEBAPP_LABEL_RU` / `PAYMENT_<METHOD>_WEBAPP_LABEL_EN` | Текст кнопки провайдера в Web App. |
 | `PAYMENT_<METHOD>_WEBAPP_ICON` | Lucide-иконка кнопки в Web App. |
 | `PAYMENT_<METHOD>_TELEGRAM_LABEL_RU` / `PAYMENT_<METHOD>_TELEGRAM_LABEL_EN` | Текст кнопки в Telegram. |
diff --git a/frontend/src/admin/AdminPanel.svelte b/frontend/src/admin/AdminPanel.svelte
index df27457..d252ccc 100644
--- a/frontend/src/admin/AdminPanel.svelte
+++ b/frontend/src/admin/AdminPanel.svelte
@@ -223,6 +223,8 @@
   }
   let sidebarOpen = false;
   let isCompact = false;
+  let dismissedUserRouteKey = "";
+  let lastUserRouteKey = "";
   let adminLanguageMenuOpen = false;
   let adminLanguageClickGuard = false;
   let adminLanguageClickGuardArmed = false;
@@ -379,6 +381,7 @@
     const uid = Number(userId);
     // Synthetic email-only users use negative user_id; still a valid admin target.
     if (!Number.isFinite(uid) || uid === 0) return;
+    dismissedUserRouteKey = "";
     const next = normalizeSection("payments");
     sidebarOpen = false;
     if (active !== next) {
@@ -395,6 +398,7 @@
   function openLogsUserCard(userId) {
     const uid = Number(userId);
     if (!Number.isFinite(uid) || uid === 0) return;
+    dismissedUserRouteKey = "";
     const next = normalizeSection("logs");
     sidebarOpen = false;
     if (active !== next) {
@@ -410,16 +414,24 @@
   function openUserCard(userId) {
     const uid = Number(userId);
     if (!Number.isFinite(uid) || uid === 0) return;
-    const next = normalizeSection("users");
+    dismissedUserRouteKey = "";
     sidebarOpen = false;
-    if (active !== next) {
-      active = next;
-      paymentsStore.closePayment({ skipPush: true });
-      supportStore.closeTicketView({ skipPush: true });
-      onSectionChange(next, uid);
+    usersStore.setActive(active);
+    usersStore.openUser(uid, { skipPush: true, pathContext: active });
+  }
+
+  function userRouteKey(section = active) {
+    if (section === "users" && initialUserId) return `users:${initialUserId}`;
+    if (section === "payments" && initialPaymentUserId) return `payments:${initialPaymentUserId}`;
+    return "";
+  }
+
+  function closeUserCard() {
+    dismissedUserRouteKey = userRouteKey();
+    usersStore.closeUser({ skipPush: true });
+    if (active === "users" || active === "payments") {
+      onSectionChange(active, 0);
     }
-    usersStore.setActive(next);
-    usersStore.openUser(uid);
   }
 
   function resolvedAvatarUrl(user) {
@@ -534,9 +546,18 @@
   $: sectionFade = reduceMotion ? { duration: 0 } : { duration: 200 };
   $: sidebarBackdropFade = reduceMotion ? { duration: 0 } : { duration: 180 };
 
+  $: {
+    const currentUserRouteKey = userRouteKey();
+    if (currentUserRouteKey !== lastUserRouteKey) {
+      if (currentUserRouteKey !== dismissedUserRouteKey) dismissedUserRouteKey = "";
+      lastUserRouteKey = currentUserRouteKey;
+    }
+  }
+
   $: if (
     active === "users" &&
     initialUserId &&
+    dismissedUserRouteKey !== `users:${initialUserId}` &&
     (!$usersStore.openedUser || $usersStore.openedUser.user_id !== initialUserId)
   ) {
     usersStore.openUser(initialUserId, { skipPush: true });
@@ -553,6 +574,7 @@
   $: if (
     active === "payments" &&
     initialPaymentUserId &&
+    dismissedUserRouteKey !== `payments:${initialPaymentUserId}` &&
     (!$usersStore.openedUser || $usersStore.openedUser.user_id !== initialPaymentUserId)
   ) {
     usersStore.openUser(initialPaymentUserId, { skipPush: true, pathContext: "payments" });
@@ -893,4 +915,5 @@
   {trafficPercentValue}
   {trafficLeftLabel}
   {trafficOfLabel}
+  onClose={closeUserCard}
 />
diff --git a/frontend/src/admin/sections/UserDetailModal.svelte b/frontend/src/admin/sections/UserDetailModal.svelte
index 09983f8..998a3a0 100644
--- a/frontend/src/admin/sections/UserDetailModal.svelte
+++ b/frontend/src/admin/sections/UserDetailModal.svelte
@@ -42,6 +42,7 @@
   export let userTelegramProfileLink = () => "";
   export let userTelegramProfileLinkKind = () => "";
   export let openTelegramProfileLink = () => false;
+  export let onClose = () => usersStore.closeUser();
 
   let avatarPreviewOpen = false;
   let avatarPreviewUrl = "";
@@ -198,7 +199,7 @@
     : ""}
   description={openedUser?.username ? "@" + openedUser.username : ""}
   closeLabel={at("close", {}, "Закрыть")}
-  onclose={usersStore.closeUser}
+  onclose={onClose}
   class="admin-dialog admin-user-dialog"
 >
   {#if openedUser}
diff --git a/frontend/src/lib/admin/stores/usersStore.js b/frontend/src/lib/admin/stores/usersStore.js
index 716e1e8..6ba9e49 100644
--- a/frontend/src/lib/admin/stores/usersStore.js
+++ b/frontend/src/lib/admin/stores/usersStore.js
@@ -54,6 +54,58 @@ export function createUsersStore({ api, onToast, at, routePrefix = "" }) {
 
   let _activeRef = "stats"; // fallback if active isn't tracked
   let _pathContext = null;
+  let _openUserRequestId = 0;
+
+  function _closedUserModalState() {
+    return {
+      openedUser: null,
+      openedUserDetail: null,
+      userDetailLoading: false,
+      userMessageDraft: "",
+      userExtendDays: 30,
+      userExtendHwidDevices: true,
+      userDeleteOpen: false,
+      userBanConfirmOpen: false,
+      userMessageConfirmOpen: false,
+      userReferralsOpen: false,
+      userReferralsLoading: false,
+      userReferrals: [],
+      userReferralsTotal: 0,
+      userReferralsPage: 0,
+      userReferralsInviter: null,
+      userDetailTab: "profile",
+      premiumUnlimitedDraft: false,
+      premiumBonusGbDraft: "",
+      regularUnlimitedDraft: false,
+      regularBonusGbDraft: "",
+      hwidUnlimitedDraft: false,
+      hwidDeviceLimitDraft: "",
+      grantTrafficGbDraft: "",
+      grantTrafficKindDraft: "regular",
+      userLogs: [],
+      userLogsTotal: 0,
+      userLogsPage: 0,
+      userLogsLoading: false,
+      userLogsLoaded: false,
+      userLogsUserId: null,
+    };
+  }
+
+  function _openingUserModalState(user, userId) {
+    return {
+      ..._closedUserModalState(),
+      openedUser: user,
+      userDetailLoading: true,
+      userDetailTab: "subscription",
+      userLogsUserId: userId,
+    };
+  }
+
+  function _isCurrentUserRequest(s, requestId, userId) {
+    return (
+      requestId === _openUserRequestId && Boolean(s.openedUser) && s.openedUser.user_id === userId
+    );
+  }
 
   function setActive(active) {
     _activeRef = active;
@@ -124,31 +176,15 @@ export function createUsersStore({ api, onToast, at, routePrefix = "" }) {
     const userId =
       typeof userOrId === "object" && userOrId !== null ? userOrId.user_id : Number(userOrId);
     if (!userId) return;
+    const requestId = ++_openUserRequestId;
     _setPathContext(opts.pathContext);
+    const openedUser =
+      typeof userOrId === "object" && userOrId !== null ? userOrId : { user_id: userId };
 
     state.update((s) => ({
       ...s,
-      openedUser:
-        typeof userOrId === "object" && userOrId !== null ? userOrId : { user_id: userId },
-      openedUserDetail: null,
-      userMessageDraft: "",
-      userMessageConfirmOpen: false,
-      userExtendDays: 30,
-      userExtendHwidDevices: true,
-      userDetailLoading: true,
-      userDetailTab: "subscription",
-      userReferralsOpen: false,
-      userReferralsLoading: false,
-      userReferrals: [],
-      userReferralsTotal: 0,
-      userReferralsPage: 0,
-      userReferralsInviter: null,
-      userLogs: [],
-      userLogsTotal: 0,
-      userLogsPage: 0,
-      userLogsLoading: false,
-      userLogsLoaded: false,
-      userLogsUserId: userId,
+      ..._openingUserModalState(openedUser, userId),
+      userActionBusy: s.userActionBusy,
     }));
 
     if (!opts.skipPush) _pushUserPath(userId);
@@ -161,54 +197,52 @@ export function createUsersStore({ api, onToast, at, routePrefix = "" }) {
         const hasHwidLimit =
           sub?.hwid_device_limit !== null && sub?.hwid_device_limit !== undefined;
         const hwidLimit = hasHwidLimit ? Number(sub?.hwid_device_limit) : null;
-        state.update((s) => ({
-          ...s,
-          openedUserDetail: res,
-          openedUser: res.user ? { ...res.user, ...s.openedUser, ...res.user } : s.openedUser,
-          premiumUnlimitedDraft: Boolean(sub?.premium_unlimited_override),
-          premiumBonusGbDraft: bonusBytes > 0 ? +(bonusBytes / 1024 ** 3).toFixed(2) : "",
-          regularUnlimitedDraft: Boolean(sub?.regular_unlimited_override),
-          regularBonusGbDraft:
-            regularBonusBytes > 0 ? +(regularBonusBytes / 1024 ** 3).toFixed(2) : "",
-          hwidUnlimitedDraft: hasHwidLimit && hwidLimit === 0,
-          hwidDeviceLimitDraft: hasHwidLimit && hwidLimit > 0 ? String(hwidLimit) : "",
-          grantTrafficGbDraft: "",
-          grantTrafficKindDraft: "regular",
-        }));
+        state.update((s) => {
+          if (!_isCurrentUserRequest(s, requestId, userId)) return s;
+          return {
+            ...s,
+            openedUserDetail: res,
+            openedUser: res.user ? { ...res.user, ...s.openedUser, ...res.user } : s.openedUser,
+            premiumUnlimitedDraft: Boolean(sub?.premium_unlimited_override),
+            premiumBonusGbDraft: bonusBytes > 0 ? +(bonusBytes / 1024 ** 3).toFixed(2) : "",
+            regularUnlimitedDraft: Boolean(sub?.regular_unlimited_override),
+            regularBonusGbDraft:
+              regularBonusBytes > 0 ? +(regularBonusBytes / 1024 ** 3).toFixed(2) : "",
+            hwidUnlimitedDraft: hasHwidLimit && hwidLimit === 0,
+            hwidDeviceLimitDraft: hasHwidLimit && hwidLimit > 0 ? String(hwidLimit) : "",
+            grantTrafficGbDraft: "",
+            grantTrafficKindDraft: "regular",
+          };
+        });
       } else {
-        onToast(res?.error || "load_failed");
-        state.update((s) => ({ ...s, openedUser: null }));
-        if (!opts.skipPush) _pushUserPath(null);
-        _pathContext = null;
+        let shouldClearPath = false;
+        let shouldShowError = false;
+        state.update((s) => {
+          if (!_isCurrentUserRequest(s, requestId, userId)) return s;
+          shouldShowError = true;
+          shouldClearPath = true;
+          _pathContext = null;
+          return { ...s, ..._closedUserModalState() };
+        });
+        if (shouldShowError) onToast(res?.error || "load_failed");
+        if (shouldClearPath && !opts.skipPush) _pushUserPath(null);
       }
     } finally {
-      state.update((s) => ({ ...s, userDetailLoading: false }));
+      state.update((s) => {
+        if (!_isCurrentUserRequest(s, requestId, userId)) return s;
+        return { ...s, userDetailLoading: false };
+      });
     }
   }
 
   function closeUser(opts = {}) {
     let wasOpen = false;
+    _openUserRequestId += 1;
     state.update((s) => {
       wasOpen = Boolean(s.openedUser);
       return {
         ...s,
-        openedUser: null,
-        openedUserDetail: null,
-        userDeleteOpen: false,
-        userBanConfirmOpen: false,
-        userMessageConfirmOpen: false,
-        userReferralsOpen: false,
-        userReferralsLoading: false,
-        userReferrals: [],
-        userReferralsTotal: 0,
-        userReferralsPage: 0,
-        userReferralsInviter: null,
-        userLogs: [],
-        userLogsTotal: 0,
-        userLogsPage: 0,
-        userLogsLoading: false,
-        userLogsLoaded: false,
-        userLogsUserId: null,
+        ..._closedUserModalState(),
       };
     });
     if (wasOpen && !opts.skipPush) _pushUserPath(null);
diff --git a/frontend/src/lib/webapp/routes.js b/frontend/src/lib/webapp/routes.js
index 2c69574..3bd1e98 100644
--- a/frontend/src/lib/webapp/routes.js
+++ b/frontend/src/lib/webapp/routes.js
@@ -120,9 +120,11 @@ export function syncSectionPath(
   if (normalized === "admin") {
     const adm =
       adminSection || adminSectionFromPath(window.location.pathname, routePrefix) || "stats";
-    const uid =
-      adminUserId ??
-      (adm === "users" ? adminUserIdFromPath(window.location.pathname, routePrefix) : null);
+    const clearAdminUser = adminUserId === 0 || adminUserId === false;
+    const uid = clearAdminUser
+      ? null
+      : (adminUserId ??
+        (adm === "users" ? adminUserIdFromPath(window.location.pathname, routePrefix) : null));
     const supportTicketId =
       adm === "support"
         ? adminSupportTicketIdFromPath(window.location.pathname, routePrefix)
@@ -130,7 +132,7 @@ export function syncSectionPath(
     const paymentId =
       adm === "payments" ? adminPaymentIdFromPath(window.location.pathname, routePrefix) : null;
     const paymentUserId =
-      adm === "payments"
+      adm === "payments" && !clearAdminUser
         ? adminPaymentsUserIdFromPath(window.location.pathname, routePrefix)
         : null;
     if (adm === "users" && uid) targetPath = `/admin/users/${uid}`;
diff --git a/frontend/src/lib/webapp/settingsManifest.generated.json b/frontend/src/lib/webapp/settingsManifest.generated.json
index eb1ff71..05be4fb 100644
--- a/frontend/src/lib/webapp/settingsManifest.generated.json
+++ b/frontend/src/lib/webapp/settingsManifest.generated.json
@@ -603,6 +603,26 @@
         "overridden": false,
         "updated_at": null
       },
+      {
+        "key": "PAYMENT_REQUEST_TIMEOUT_SECONDS",
+        "type": "float",
+        "section": "payments",
+        "section_order": 4,
+        "subsection": "checkout",
+        "label": "Таймаут запроса к провайдеру",
+        "description": "Максимальное общее время одного API-запроса к платёжному провайдеру, в секундах.",
+        "i18n_label_key": "admin_settings_field_payment_request_timeout_seconds_label",
+        "i18n_description_key": "admin_settings_field_payment_request_timeout_seconds_description",
+        "i18n_subsection_key": "admin_settings_subsection_checkout",
+        "i18n_placeholder_key": null,
+        "placeholder": "",
+        "optional": false,
+        "secret": false,
+        "min": 1,
+        "value": "",
+        "overridden": false,
+        "updated_at": null
+      },
       {
         "key": "STARS_ENABLED",
         "type": "bool",
diff --git a/locales/en.json b/locales/en.json
index 38dfe30..7d9179f 100644
--- a/locales/en.json
+++ b/locales/en.json
@@ -1170,6 +1170,7 @@
   "admin_settings_subsection_cryptopay": "CryptoPay",
   "admin_settings_subsection_wata": "Wata",
   "admin_settings_subsection_heleket": "Heleket",
+  "admin_settings_subsection_paykilla": "PayKilla",
   "admin_settings_provider_webhook_url": "Webhook URL",
   "admin_settings_provider_webhook_url_hint": "Use this URL in the provider webhook settings.",
   "admin_settings_panel_webhook_url_hint": "Use this URL as WEBHOOK_URL in Remnawave Panel.",
@@ -1680,6 +1681,8 @@
   "admin_settings_field_subscription_purchase_description_ru_description": "Russian text shown during checkout.",
   "admin_settings_field_subscription_purchase_description_en_label": "Subscription description (EN)",
   "admin_settings_field_subscription_purchase_description_en_description": "English text shown during checkout.",
+  "admin_settings_field_payment_request_timeout_seconds_label": "Payment provider request timeout",
+  "admin_settings_field_payment_request_timeout_seconds_description": "Maximum total time for one payment provider API request, in seconds.",
   "admin_settings_field_stars_enabled_label": "Stars Enabled",
   "admin_settings_field_yookassa_enabled_label": "YooKassa Enabled",
   "admin_settings_field_yookassa_shop_id_label": "YooKassa Shop ID",
diff --git a/locales/ru.json b/locales/ru.json
index a16664e..8c35f1e 100644
--- a/locales/ru.json
+++ b/locales/ru.json
@@ -1170,6 +1170,7 @@
   "admin_settings_subsection_cryptopay": "CryptoPay",
   "admin_settings_subsection_wata": "Wata",
   "admin_settings_subsection_heleket": "Heleket",
+  "admin_settings_subsection_paykilla": "PayKilla",
   "admin_settings_provider_webhook_url": "Webhook URL",
   "admin_settings_provider_webhook_url_hint": "Укажите этот адрес в настройках вебхуков провайдера.",
   "admin_settings_panel_webhook_url_hint": "Укажите этот адрес как WEBHOOK_URL в Remnawave Panel.",
@@ -1680,6 +1681,8 @@
   "admin_settings_field_subscription_purchase_description_ru_description": "Русская версия текста на этапе оплаты.",
   "admin_settings_field_subscription_purchase_description_en_label": "Описание подписки (EN)",
   "admin_settings_field_subscription_purchase_description_en_description": "Английская версия текста на этапе оплаты.",
+  "admin_settings_field_payment_request_timeout_seconds_label": "Таймаут запроса к провайдеру",
+  "admin_settings_field_payment_request_timeout_seconds_description": "Максимальное общее время одного API-запроса к платёжному провайдеру, в секундах.",
   "admin_settings_field_stars_enabled_label": "Telegram Stars",
   "admin_settings_field_yookassa_enabled_label": "Включена",
   "admin_settings_field_yookassa_shop_id_label": "Shop ID",
diff --git a/tests/test_admin_settings_manifest_i18n.py b/tests/test_admin_settings_manifest_i18n.py
index 1228bcd..fed24a5 100644
--- a/tests/test_admin_settings_manifest_i18n.py
+++ b/tests/test_admin_settings_manifest_i18n.py
@@ -24,6 +24,7 @@ SUBSCRIPTION_PURCHASE_DESCRIPTION_SETTINGS = (
     "SUBSCRIPTION_PURCHASE_DESCRIPTION_ENABLED",
     "SUBSCRIPTION_PURCHASE_DESCRIPTION_RU",
     "SUBSCRIPTION_PURCHASE_DESCRIPTION_EN",
+    "PAYMENT_REQUEST_TIMEOUT_SECONDS",
 )
 
 SUBSCRIPTION_GUIDE_SETTINGS = (
@@ -177,6 +178,11 @@ def test_support_settings_i18n_keys_exist_in_admin_locales():
 def test_subscription_purchase_description_settings_i18n_keys_exist():
     manifest = _manifest_by_key()
 
+    timeout_field = manifest["PAYMENT_REQUEST_TIMEOUT_SECONDS"]
+    assert timeout_field["type"] == "float"
+    assert timeout_field["optional"] is False
+    assert timeout_field["min"] == 1
+
     for language in ("ru", "en"):
         messages = _locale(language)
         for setting_key in SUBSCRIPTION_PURCHASE_DESCRIPTION_SETTINGS:
diff --git a/tests/test_payment_http_client.py b/tests/test_payment_http_client.py
new file mode 100644
index 0000000..67e6b9a
--- /dev/null
+++ b/tests/test_payment_http_client.py
@@ -0,0 +1,30 @@
+import unittest
+
+from bot.payment_providers.shared.http_client import (
+    HttpClientMixin,
+    _should_retry_transport_error,
+)
+
+
+class _DummyHttpClient(HttpClientMixin):
+    def __init__(self):
+        self._init_http_client(total_timeout=20)
+
+
+class PaymentHttpClientTests(unittest.IsolatedAsyncioTestCase):
+    async def test_http_client_tracks_sent_headers_for_safe_retries(self):
+        client = _DummyHttpClient()
+        try:
+            session = await client._get_session()
+            self.assertFalse(session.connector.force_close)
+            self.assertTrue(session.trace_configs)
+        finally:
+            await client.close()
+
+    async def test_http_client_retries_only_before_headers_are_sent(self):
+        self.assertTrue(
+            _should_retry_transport_error(TimeoutError(), {"headers_sent": False})
+        )
+        self.assertFalse(
+            _should_retry_transport_error(TimeoutError(), {"headers_sent": True})
+        )
diff --git a/tests/test_security.py b/tests/test_security.py
index e471d1d..ae1e75d 100644
--- a/tests/test_security.py
+++ b/tests/test_security.py
@@ -12,6 +12,7 @@ from aiohttp import web
 
 from bot.app.web import admin_api, subscription_webapp
 from bot.app.web.admin_api_impl import settings as admin_settings_routes
+from bot.app.web.web_server import TrustedProxyAccessLogger
 from bot.app.web.webapp import account as account_routes
 from bot.app.web.webapp_auth import (
     create_telegram_oauth_nonce,
@@ -95,6 +96,38 @@ class RequestSecurityTests(unittest.IsolatedAsyncioTestCase):
             "198.51.100.7",
         )
 
+    async def test_request_client_ip_skips_trusted_forwarded_proxy_chain(self):
+        request = SimpleNamespace(
+            remote="172.19.0.6",
+            headers={"X-Forwarded-For": "203.0.113.10, 172.19.0.7"},
+        )
+
+        self.assertEqual(
+            request_client_ip(request, trusted_proxies=["172.19.0.0/16"]),
+            "203.0.113.10",
+        )
+
+    async def test_access_logger_uses_forwarded_ip_only_for_trusted_proxy(self):
+        trusted_request = SimpleNamespace(
+            remote="172.19.0.6",
+            headers={"X-Forwarded-For": "203.0.113.10, 172.19.0.7"},
+            app={"settings": SimpleNamespace(trusted_proxies=["172.19.0.0/16"])},
+        )
+        untrusted_request = SimpleNamespace(
+            remote="172.19.0.6",
+            headers={"X-Forwarded-For": "203.0.113.10, 172.19.0.7"},
+            app={"settings": SimpleNamespace(trusted_proxies=["127.0.0.1"])},
+        )
+
+        self.assertEqual(
+            TrustedProxyAccessLogger._format_a(trusted_request, object(), 0),
+            "203.0.113.10",
+        )
+        self.assertEqual(
+            TrustedProxyAccessLogger._format_a(untrusted_request, object(), 0),
+            "172.19.0.6",
+        )
+
     async def test_yookassa_webhook_rejects_untrusted_ip_before_reading_body(self):
         request = SimpleNamespace(
             app={