diff --git a/tradein-mvp/backend/app/schemas/trade_in.py b/tradein-mvp/backend/app/schemas/trade_in.py
index 7ae83e1b..2bc0993d 100644
--- a/tradein-mvp/backend/app/schemas/trade_in.py
+++ b/tradein-mvp/backend/app/schemas/trade_in.py
@@ -46,6 +46,20 @@ class AnalogLot(BaseModel):
     distance_m: int | None = None      # расстояние до целевой квартиры в метрах
 
 
+class CianValuationSummary(BaseModel):
+    """Cian Valuation Calculator данные для UI.
+
+    Источник: external_valuations table (source='cian_valuation').
+    Заполняется только при successful Cian Calculator call в estimator.py.
+    """
+
+    sale_price_rub: int | None = None
+    rent_price_rub: int | None = None
+    chart: list[dict[str, Any]] = Field(default_factory=list)
+    chart_change_pct: float | None = None
+    chart_change_direction: Literal["increase", "decrease", "neutral"] | None = None
+
+
 class AggregatedEstimate(BaseModel):
     estimate_id: UUID
     median_price_rub: int
@@ -66,6 +80,7 @@ class AggregatedEstimate(BaseModel):
     sources_used: list[str] = Field(default_factory=list)  # ['avito', 'cian', 'rosreestr']
     data_freshness_minutes: int | None = None        # сколько минут назад был самый свежий парсинг
     est_days_on_market: int | None = None            # прогноз срока продажи (медиана по аналогам)
+    cian_valuation: CianValuationSummary | None = None
     # ── Параметры оценённой квартиры — нужны, чтобы восстановить карточку
     #    при открытии оценки по ссылке (?id=), когда формы-инпута уже нет ──
     area_m2: float | None = None
diff --git a/tradein-mvp/backend/app/services/estimator.py b/tradein-mvp/backend/app/services/estimator.py
index da4c104f..dead7bd5 100644
--- a/tradein-mvp/backend/app/services/estimator.py
+++ b/tradein-mvp/backend/app/services/estimator.py
@@ -31,7 +31,12 @@ from uuid import uuid4
 from sqlalchemy import text
 from sqlalchemy.orm import Session
 
-from app.schemas.trade_in import AggregatedEstimate, AnalogLot, TradeInEstimateInput
+from app.schemas.trade_in import (
+    AggregatedEstimate,
+    AnalogLot,
+    CianValuationSummary,
+    TradeInEstimateInput,
+)
 from app.services.geocoder import GeocodeResult, geocode
 from app.services.house_metadata import get_house_metadata
 from app.services.scrapers.avito_imv import (
@@ -865,6 +870,17 @@ async def estimate_quality(
         sources_used=sources_used,
         data_freshness_minutes=freshness_min,
         est_days_on_market=_estimate_days_on_market(listings_clean, deals),
+        cian_valuation=(
+            CianValuationSummary(
+                sale_price_rub=int(cian_val.sale_price_rub) if cian_val.sale_price_rub else None,
+                rent_price_rub=int(cian_val.rent_price_rub) if cian_val.rent_price_rub else None,
+                chart=list(cian_val.chart or []),
+                chart_change_pct=cian_val.chart_change_pct,
+                chart_change_direction=cian_val.chart_change_direction,
+            )
+            if cian_val is not None
+            else None
+        ),
         area_m2=payload.area_m2,
         rooms=payload.rooms,
         floor=payload.floor,
@@ -1598,4 +1614,5 @@ def _empty_estimate(
         analogs=[],
         actual_deals=[],
         expires_at=expires_at,
+        cian_valuation=None,
     )