feat(tradein): «Росреестр» button — copy address + open EGRN request form (#550)

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

@@ -4,6 +4,7 @@
  * DealsCard — Секция 3 «Сделки» из mockup. Реальные сделки из Росреестра / ДомКлик.
  */
 import type { AggregatedEstimate, AnalogLot } from "@/types/trade-in";
+import { openRosreestrWithAddress } from "@/lib/rosreestr";
 
 interface Props {
   estimate: AggregatedEstimate;
@@ -124,6 +125,7 @@ export function DealsCard({ estimate }: Props) {
             <th className="num">₽ / м²</th>
             <th className="num">Цена сделки</th>
             <th className="num">Дата</th>
+            <th />
           </tr>
         </thead>
         <tbody>
@@ -168,6 +170,16 @@ function DealRow({ deal }: { deal: AnalogLot }) {
       <td className="num">{fmtRub(deal.price_per_m2)}</td>
       <td className="num">{fmtRub(deal.price_rub)}</td>
       <td className="num">{fmtDate(deal.listing_date)}</td>
+      <td>
+        <button
+          type="button"
+          className="rosreestr-btn"
+          onClick={() => void openRosreestrWithAddress(deal.address)}
+          title="Скопировать адрес и открыть форму запроса выписки ЕГРН"
+        >
+          Росреестр ↗
+        </button>
+      </td>
     </tr>
   );
 }

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

@@ -8,6 +8,7 @@ import { useMemo } from "react";
 import type { AggregatedEstimate, AnalogLot, CianPriceChangeStats } from "@/types/trade-in";
 import { safeUrl } from "@/lib/safeUrl";
 import { useEstimateCianPriceChanges } from "@/lib/trade-in-api";
+import { openRosreestrWithAddress } from "@/lib/rosreestr";
 
 interface Props {
   estimate: AggregatedEstimate;
@@ -328,7 +329,7 @@ function AnalogRow({
         )}
       </td>
       <td className="num">{distance}</td>
-      <td>
+      <td style={{ whiteSpace: "nowrap" }}>
         {externalUrl && (
           <a
             href={externalUrl}
@@ -344,6 +345,14 @@ function AnalogRow({
             </svg>
           </a>
         )}
+        <button
+          type="button"
+          className="rosreestr-btn"
+          onClick={() => void openRosreestrWithAddress(lot.address)}
+          title="Скопировать адрес и открыть форму запроса выписки ЕГРН"
+        >
+          Росреестр ↗
+        </button>
       </td>
     </tr>
   );

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

@@ -1595,3 +1595,20 @@
   color: var(--fg-secondary, #5b6066);
   font-weight: 500;
 }
+
+/* ── Росреестр deeplink button ── */
+
+.rosreestr-btn {
+  background: transparent;
+  border: 1px solid var(--border);
+  color: var(--muted);
+  padding: 2px 8px;
+  border-radius: 4px;
+  font-size: 11px;
+  cursor: pointer;
+  white-space: nowrap;
+}
+.rosreestr-btn:hover {
+  color: var(--fg);
+  border-color: var(--fg);
+}

tradein-mvp/frontend/src/lib/rosreestr.ts

@@ -0,0 +1,11 @@
+export const ROSREESTR_REQUEST_URL =
+  "https://rosreestr.gov.ru/eservices/request_info_from_egrn/";
+
+export async function openRosreestrWithAddress(address: string): Promise<void> {
+  try {
+    await navigator.clipboard.writeText(address);
+  } catch {
+    // clipboard may be unavailable — open form anyway
+  }
+  window.open(ROSREESTR_REQUEST_URL, "_blank", "noopener,noreferrer");
+}