feat(tradein): tier badge на DealsCard rows (#603)

tradein-mvp/frontend/src/components/trade-in/DealsCard.tsx

@@ -149,6 +149,14 @@ function DealRow({ deal }: { deal: AnalogLot }) {
   const dot = SOURCE_DOTS[src] ?? "dom";
   const label = SOURCE_LABELS[src] ?? src;
 
+  // Tier badge для rosreestr deals (PR M / #564 Phase 3).
+  // T0_per_house — точный кадастровый match (high confidence).
+  // T1_per_street — улица-уровень (open dataset default).
+  const tierBadge =
+    deal.tier === "T0_per_house" ? { text: "по дому", className: "tier-badge tier-t0" }
+    : deal.tier === "T1_per_street" ? { text: "по улице", className: "tier-badge tier-t1" }
+    : null;
+
   return (
     <tr>
       <td>
@@ -166,6 +174,11 @@ function DealRow({ deal }: { deal: AnalogLot }) {
         <span className="src-mini">
           <span className={`src-dot ${dot}`} /> {label}
         </span>
+        {tierBadge ? (
+          <span className={tierBadge.className} title="Точность сопоставления сделки">
+            {tierBadge.text}
+          </span>
+        ) : null}
       </td>
       <td className="num">{fmtRub(deal.price_per_m2)}</td>
       <td className="num">{fmtRub(deal.price_rub)}</td>

tradein-mvp/frontend/src/components/trade-in/trade-in.css

@@ -1691,3 +1691,26 @@
   .listing-cell { min-width: 0; max-width: none; }
   .listing-link { flex-direction: column; align-items: flex-start; gap: 2px; }
 }
+
+/* ── PR M (#564 Phase 3) — Tier badge for rosreestr deals ────────────────── */
+.tier-badge {
+  display: inline-block;
+  margin-left: 6px;
+  padding: 1px 6px;
+  border-radius: 4px;
+  font-size: 10px;
+  font-weight: 600;
+  letter-spacing: 0.04em;
+  text-transform: uppercase;
+  vertical-align: middle;
+}
+.tier-t0 {
+  /* T0_per_house — точный кадастровый match (high confidence) */
+  background: var(--success-soft);
+  color: var(--success);
+}
+.tier-t1 {
+  /* T1_per_street — улица-уровень (open dataset default) */
+  background: var(--bg-card-alt);
+  color: var(--fg-tertiary);
+}

tradein-mvp/frontend/src/types/trade-in.ts

@@ -44,6 +44,10 @@ export interface AnalogLot {
   source: string | null;       // 'avito' / 'cian' / 'domklik' / 'rosreestr'
   source_url: string | null;   // ссылка на оригинал
   distance_m: number | null;   // расстояние до целевой квартиры в метрах
+  // ── PR M (#564 Phase 3) — confidence tier для rosreestr deals ──
+  // 'T0_per_house' — kadastr_num exact match (currently not available in open dataset)
+  // 'T1_per_street' — street-level only (default for all rosreestr deals)
+  tier?: string | null;
 }
 
 export interface CianValuationSummary {