diff --git a/tradein-mvp/browser/test_server.py b/tradein-mvp/browser/test_server.py
index 399f6722..2f1438eb 100644
--- a/tradein-mvp/browser/test_server.py
+++ b/tradein-mvp/browser/test_server.py
@@ -372,7 +372,11 @@ def test_resource_block_handler_degrades_to_continue(monkeypatch: pytest.MonkeyP
 
 def test_pace_provider_first_call_no_sleep(monkeypatch: pytest.MonkeyPatch) -> None:
     """Первый goto провайдера — без ожидания, но timestamp пишется."""
-    monkeypatch.setattr(server, "BROWSER_MIN_PAGE_INTERVAL_S", 2.0)
+    # Интервал задаём в _MIN_PAGE_INTERVAL_BY_PROVIDER — ИМЕННО его читает
+    # _pace_provider (per-provider override, #1812 follow-up). Модульный
+    # BROWSER_MIN_PAGE_INTERVAL_S там только фолбэк для провайдера вне словаря,
+    # так что патч глобала на известном провайдере не влияет ни на что.
+    monkeypatch.setitem(server._MIN_PAGE_INTERVAL_BY_PROVIDER, "avito", 2.0)
     slept: list[float] = []
 
     async def _fake_sleep(d: float) -> None:
@@ -386,7 +390,7 @@ def test_pace_provider_first_call_no_sleep(monkeypatch: pytest.MonkeyPatch) -> N
 
 def test_pace_provider_waits_remaining_interval(monkeypatch: pytest.MonkeyPatch) -> None:
     """Второй goto в пределах интервала → sleep на остаток (interval - elapsed)."""
-    monkeypatch.setattr(server, "BROWSER_MIN_PAGE_INTERVAL_S", 2.0)
+    monkeypatch.setitem(server._MIN_PAGE_INTERVAL_BY_PROVIDER, "cian", 2.0)
     slept: list[float] = []
 
     async def _fake_sleep(d: float) -> None:
@@ -415,7 +419,7 @@ def test_pace_provider_waits_remaining_interval(monkeypatch: pytest.MonkeyPatch)
 
 def test_pace_provider_no_sleep_when_interval_elapsed(monkeypatch: pytest.MonkeyPatch) -> None:
     """Если с прошлого goto прошло >= интервала → не спим."""
-    monkeypatch.setattr(server, "BROWSER_MIN_PAGE_INTERVAL_S", 2.0)
+    monkeypatch.setitem(server._MIN_PAGE_INTERVAL_BY_PROVIDER, "yandex", 2.0)
     slept: list[float] = []
 
     async def _fake_sleep(d: float) -> None:
@@ -440,8 +444,8 @@ def test_pace_provider_no_sleep_when_interval_elapsed(monkeypatch: pytest.Monkey
 
 
 def test_pace_provider_disabled_when_zero(monkeypatch: pytest.MonkeyPatch) -> None:
-    """BROWSER_MIN_PAGE_INTERVAL_S <= 0 → пейсинг выключен, timestamp не пишется."""
-    monkeypatch.setattr(server, "BROWSER_MIN_PAGE_INTERVAL_S", 0.0)
+    """Эффективный интервал провайдера <= 0 → пейсинг выключен, timestamp не пишется."""
+    monkeypatch.setitem(server._MIN_PAGE_INTERVAL_BY_PROVIDER, "avito", 0.0)
     slept: list[float] = []
 
     async def _fake_sleep(d: float) -> None:
@@ -460,7 +464,8 @@ def test_pace_provider_disabled_when_zero(monkeypatch: pytest.MonkeyPatch) -> No
 
 def test_pace_provider_independent_per_provider(monkeypatch: pytest.MonkeyPatch) -> None:
     """Timestamp независим по провайдерам — пейсинг avito не влияет на cian."""
-    monkeypatch.setattr(server, "BROWSER_MIN_PAGE_INTERVAL_S", 2.0)
+    monkeypatch.setitem(server._MIN_PAGE_INTERVAL_BY_PROVIDER, "avito", 2.0)
+    monkeypatch.setitem(server._MIN_PAGE_INTERVAL_BY_PROVIDER, "cian", 2.0)
     slept: list[float] = []
 
     async def _fake_sleep(d: float) -> None:
diff --git a/tradein-mvp/browser/test_server_smoke.py b/tradein-mvp/browser/test_server_smoke.py
index 43208a73..13c8527d 100644
--- a/tradein-mvp/browser/test_server_smoke.py
+++ b/tradein-mvp/browser/test_server_smoke.py
@@ -89,7 +89,7 @@ def test_fetch_returns_503_when_browser_unavailable(
     Никакого реального camoufox-launch'а / direct-fetch.
     """
 
-    async def _no_ensure(provider: str) -> bool:
+    async def _no_ensure(provider: str, proxy_override: str | None = None) -> bool:
         return False  # прокси всё ещё недоступен → браузер остаётся None
 
     monkeypatch.setattr(server, "_ensure_browser", _no_ensure)
@@ -111,7 +111,7 @@ def test_login_returns_503_when_browser_unavailable(
 ) -> None:
     """/login тоже отдаёт 503 когда инстанс не поднят (без credential-логирования)."""
 
-    async def _no_ensure(provider: str) -> bool:
+    async def _no_ensure(provider: str, proxy_override: str | None = None) -> bool:
         return False
 
     monkeypatch.setattr(server, "_ensure_browser", _no_ensure)
@@ -193,7 +193,7 @@ def test_fetch_opens_and_closes_own_page(monkeypatch: pytest.MonkeyPatch) -> Non
     server._browsers["avito"] = _FakeBrowser(tracker)
     monkeypatch.setattr(server, "BROWSER_RECYCLE_PAGES", 10_000)
 
-    async def _ensure(provider: str) -> bool:
+    async def _ensure(provider: str, proxy_override: str | None = None) -> bool:
         return True
 
     monkeypatch.setattr(server, "_ensure_browser", _ensure)
@@ -221,7 +221,7 @@ def test_fetch_recycles_after_threshold(monkeypatch: pytest.MonkeyPatch) -> None
         relaunched["n"] += 1
         server._page_counters[provider] = 0
 
-    async def _ensure(provider: str) -> bool:
+    async def _ensure(provider: str, proxy_override: str | None = None) -> bool:
         return True
 
     monkeypatch.setattr(server, "_relaunch_browser", _fake_relaunch)