frontend/src/app/site-finder/analysis/[cad]/page.tsx

@@ -7,6 +7,7 @@ import { AnalysisSidebar } from "@/components/site-finder/analysis/AnalysisSideb
 import { AnalysisBreadcrumb } from "@/components/site-finder/analysis/AnalysisBreadcrumb";
 import { UserAvatar } from "@/components/site-finder/analysis/UserAvatar";
 import { Section1ParcelInfo } from "@/components/site-finder/analysis/Section1ParcelInfo";
+import { Section2NetworksUtilities } from "@/components/site-finder/analysis/Section2NetworksUtilities";
 
 // ── Section placeholder (Wave 3–4 refactor will replace these) ─────────────────
 
@@ -133,12 +134,8 @@ export default function AnalysisPage({ params }: PageProps) {
           {/* Section 1 — A5: Инфо об участке */}
           <Section1ParcelInfo cad={cad} />
 
-          {/* Section 2 — TODO A6 */}
-          <SectionPlaceholder
-            id="section-2"
-            title="2. Земля и риски"
-            note="TODO A6: reuse NspdEngineeringNearbyBlock в новом layout headline+map"
-          />
+          {/* Section 2 — A6: Сети и точки подключения */}
+          <Section2NetworksUtilities cad={cad} />
 
           {/* Section 3 — TODO A7/A8/A9 */}
           <SectionPlaceholder

frontend/src/components/site-finder/analysis/Section2NetworksUtilities.tsx

@@ -0,0 +1,564 @@
+"use client";
+
+/**
+ * Section2NetworksUtilities — "2. Сети и точки подключения"
+ *
+ * Layout:
+ *   HeadlineBar (title «Сети» + subtitle с расстояниями)
+ *   Utilities table: 4 rows × [Иконка / Тип / Расстояние / Количество / Статус]
+ *   Warning banner if power_line_охранная_зона_flag === true
+ *   Note (caveat text)
+ *
+ * Data: useParcelAnalyzeQuery (B5) — field `utilities`.
+ * If utilities absent from response — shows "нет данных" state gracefully.
+ */
+
+import type { ReactNode } from "react";
+import {
+  Zap,
+  Flame,
+  Droplet,
+  Pipette,
+  AlertTriangle,
+  Info,
+} from "lucide-react";
+import { HeadlineBar } from "@/components/ui/HeadlineBar";
+import { useParcelAnalyzeQuery } from "@/lib/site-finder-api";
+import type { UtilitySummaryItem } from "@/lib/site-finder-api";
+
+// ── Subtype display config ────────────────────────────────────────────────────
+
+interface UtilityDisplayConfig {
+  label: string;
+  icon: ReactNode;
+}
+
+function getUtilityConfig(subtype: string): UtilityDisplayConfig {
+  switch (subtype) {
+    case "substation":
+      return {
+        label: "Электричество (подстанция)",
+        icon: (
+          <Zap size={16} strokeWidth={1.5} style={{ color: "var(--viz-4)" }} />
+        ),
+      };
+    case "power_line":
+      return {
+        label: "Электричество (ЛЭП)",
+        icon: (
+          <Zap size={16} strokeWidth={1.5} style={{ color: "var(--viz-4)" }} />
+        ),
+      };
+    case "pipeline":
+      return {
+        label: "Газ (газопровод)",
+        icon: (
+          <Flame
+            size={16}
+            strokeWidth={1.5}
+            style={{ color: "var(--viz-4)" }}
+          />
+        ),
+      };
+    case "water_intake":
+      return {
+        label: "Водопровод",
+        icon: (
+          <Droplet
+            size={16}
+            strokeWidth={1.5}
+            style={{ color: "var(--viz-2)" }}
+          />
+        ),
+      };
+    case "pumping_station":
+      return {
+        label: "Канализация (насосная)",
+        icon: (
+          <Pipette
+            size={16}
+            strokeWidth={1.5}
+            style={{ color: "var(--fg-secondary)" }}
+          />
+        ),
+      };
+    default:
+      return {
+        label: subtype,
+        icon: (
+          <Info
+            size={16}
+            strokeWidth={1.5}
+            style={{ color: "var(--fg-tertiary)" }}
+          />
+        ),
+      };
+  }
+}
+
+// ── Distance → presence status ────────────────────────────────────────────────
+
+type PresenceStatus = "close" | "reachable" | "far" | "absent";
+
+function getPresenceStatus(nearestM: number): PresenceStatus {
+  if (nearestM <= 200) return "close";
+  if (nearestM <= 500) return "reachable";
+  if (nearestM <= 1000) return "far";
+  return "absent";
+}
+
+const PRESENCE_LABEL: Record<PresenceStatus, string> = {
+  close: "В радиусе 200 м",
+  reachable: "В радиусе 500 м",
+  far: "В радиусе 1 км",
+  absent: "Далее 1 км",
+};
+
+const PRESENCE_COLOR: Record<PresenceStatus, string> = {
+  close: "var(--success)",
+  reachable: "var(--accent)",
+  far: "var(--warn)",
+  absent: "var(--danger)",
+};
+
+const PRESENCE_BG: Record<PresenceStatus, string> = {
+  close: "var(--success-soft)",
+  reachable: "var(--accent-soft)",
+  far: "var(--warn-soft)",
+  absent: "var(--danger-soft)",
+};
+
+// ── HeadlineBar subtitle helper ───────────────────────────────────────────────
+
+function buildSubtitle(items: UtilitySummaryItem[]): string {
+  const parts: string[] = [];
+
+  const electric = items.find(
+    (i) => i.subtype === "substation" || i.subtype === "power_line",
+  );
+  const gas = items.find((i) => i.subtype === "pipeline");
+  const water = items.find((i) => i.subtype === "water_intake");
+
+  if (electric) parts.push(`электричество ${electric.nearest_m} м`);
+  if (gas) parts.push(`газ ${gas.nearest_m} м`);
+  if (water) parts.push(`водопровод ${water.nearest_m} м`);
+
+  return parts.length > 0
+    ? parts.join(" · ")
+    : "данные из НСПД об инженерной инфраструктуре";
+}
+
+// ── Loading skeleton ──────────────────────────────────────────────────────────
+
+function Section2Skeleton() {
+  return (
+    <section
+      id="section-2"
+      style={{
+        background: "var(--bg-card)",
+        border: "1px solid var(--border-card)",
+        borderRadius: 12,
+        padding: 20,
+        marginBottom: 24,
+      }}
+    >
+      <div
+        style={{
+          height: 56,
+          background: "var(--bg-card-alt)",
+          borderRadius: 12,
+          marginBottom: 16,
+        }}
+      />
+      <div
+        style={{
+          height: 180,
+          background: "var(--bg-card-alt)",
+          borderRadius: 10,
+        }}
+      />
+    </section>
+  );
+}
+
+// ── No-data state ─────────────────────────────────────────────────────────────
+
+function Section2NoData() {
+  return (
+    <section
+      id="section-2"
+      style={{
+        background: "var(--bg-card)",
+        border: "1px solid var(--border-card)",
+        borderRadius: 12,
+        padding: 20,
+        marginBottom: 24,
+      }}
+    >
+      <h2
+        style={{
+          margin: "0 0 12px",
+          fontSize: 18,
+          fontWeight: 600,
+          color: "var(--fg-primary)",
+        }}
+      >
+        2. Сети и точки подключения
+      </h2>
+      <div
+        style={{
+          padding: "20px 16px",
+          background: "var(--bg-card-alt)",
+          border: "1px dashed var(--border-strong)",
+          borderRadius: 10,
+          display: "flex",
+          alignItems: "center",
+          gap: 8,
+          color: "var(--fg-tertiary)",
+          fontSize: 13,
+        }}
+      >
+        <Info size={16} strokeWidth={1.5} style={{ flexShrink: 0 }} />
+        Данные НСПД об инженерной инфраструктуре не получены для этого участка.
+        Проверьте наличие NSPD-снимка в базе.
+      </div>
+    </section>
+  );
+}
+
+// ── Error state ───────────────────────────────────────────────────────────────
+
+function Section2Error({ message }: { message: string }) {
+  return (
+    <section
+      id="section-2"
+      style={{
+        background: "var(--bg-card)",
+        border: "1px solid var(--border-card)",
+        borderRadius: 12,
+        padding: 20,
+        marginBottom: 24,
+      }}
+    >
+      <h2
+        style={{
+          margin: "0 0 8px",
+          fontSize: 18,
+          fontWeight: 600,
+          color: "var(--fg-primary)",
+        }}
+      >
+        2. Сети и точки подключения
+      </h2>
+      <p
+        style={{ margin: 0, fontSize: 13, color: "var(--danger)" }}
+        role="alert"
+      >
+        {message}
+      </p>
+    </section>
+  );
+}
+
+// ── Utilities table ───────────────────────────────────────────────────────────
+
+interface UtilitiesTableProps {
+  items: UtilitySummaryItem[];
+}
+
+function UtilitiesTable({ items }: UtilitiesTableProps) {
+  return (
+    <div
+      style={{
+        border: "1px solid var(--border-card)",
+        borderRadius: 10,
+        overflow: "hidden",
+      }}
+    >
+      {/* Table header */}
+      <div
+        style={{
+          display: "grid",
+          gridTemplateColumns: "32px 1fr 120px 110px 140px",
+          gap: 0,
+          background: "var(--bg-card-alt)",
+          borderBottom: "1px solid var(--border-soft)",
+          padding: "8px 16px",
+          alignItems: "center",
+        }}
+      >
+        <div />
+        <div
+          style={{
+            fontSize: 11,
+            fontWeight: 600,
+            color: "var(--fg-secondary)",
+            textTransform: "uppercase",
+            letterSpacing: "0.04em",
+          }}
+        >
+          Тип объекта
+        </div>
+        <div
+          style={{
+            fontSize: 11,
+            fontWeight: 600,
+            color: "var(--fg-secondary)",
+            textTransform: "uppercase",
+            letterSpacing: "0.04em",
+            textAlign: "right",
+          }}
+        >
+          Ближайший
+        </div>
+        <div
+          style={{
+            fontSize: 11,
+            fontWeight: 600,
+            color: "var(--fg-secondary)",
+            textTransform: "uppercase",
+            letterSpacing: "0.04em",
+            textAlign: "right",
+          }}
+        >
+          В 2 км
+        </div>
+        <div
+          style={{
+            fontSize: 11,
+            fontWeight: 600,
+            color: "var(--fg-secondary)",
+            textTransform: "uppercase",
+            letterSpacing: "0.04em",
+            textAlign: "right",
+          }}
+        >
+          Статус
+        </div>
+      </div>
+
+      {/* Table rows */}
+      {items.map((item, idx) => {
+        const config = getUtilityConfig(item.subtype);
+        const status = getPresenceStatus(item.nearest_m);
+        const isLast = idx === items.length - 1;
+
+        return (
+          <div
+            key={`${item.subtype}-${idx}`}
+            style={{
+              display: "grid",
+              gridTemplateColumns: "32px 1fr 120px 110px 140px",
+              gap: 0,
+              padding: "10px 16px",
+              alignItems: "center",
+              borderBottom: isLast ? "none" : "1px solid var(--border-soft)",
+              background: "var(--bg-card)",
+            }}
+          >
+            {/* Icon */}
+            <div
+              style={{
+                display: "flex",
+                alignItems: "center",
+                justifyContent: "flex-start",
+              }}
+            >
+              {config.icon}
+            </div>
+
+            {/* Label */}
+            <div
+              style={{
+                fontSize: 14,
+                color: "var(--fg-primary)",
+                fontWeight: 400,
+              }}
+            >
+              {config.label}
+              {item.name && (
+                <span
+                  style={{
+                    display: "block",
+                    fontSize: 12,
+                    color: "var(--fg-tertiary)",
+                    marginTop: 2,
+                  }}
+                >
+                  {item.name}
+                </span>
+              )}
+            </div>
+
+            {/* Nearest distance */}
+            <div
+              style={{
+                fontSize: 14,
+                fontVariantNumeric: "tabular-nums",
+                color: "var(--fg-primary)",
+                textAlign: "right",
+              }}
+            >
+              {item.nearest_m.toLocaleString("ru")} м
+            </div>
+
+            {/* Count within 2km */}
+            <div
+              style={{
+                fontSize: 14,
+                fontVariantNumeric: "tabular-nums",
+                color: "var(--fg-secondary)",
+                textAlign: "right",
+              }}
+            >
+              {item.count_within_2km} шт.
+            </div>
+
+            {/* Status badge */}
+            <div style={{ textAlign: "right" }}>
+              <span
+                style={{
+                  display: "inline-block",
+                  padding: "2px 8px",
+                  borderRadius: 6,
+                  fontSize: 12,
+                  fontWeight: 500,
+                  color: PRESENCE_COLOR[status],
+                  background: PRESENCE_BG[status],
+                }}
+              >
+                {PRESENCE_LABEL[status]}
+              </span>
+            </div>
+          </div>
+        );
+      })}
+    </div>
+  );
+}
+
+// ── Main component ────────────────────────────────────────────────────────────
+
+interface Props {
+  cad: string;
+}
+
+export function Section2NetworksUtilities({ cad }: Props) {
+  const { isLoading, isError, error, data } = useParcelAnalyzeQuery(cad);
+
+  if (isLoading) return <Section2Skeleton />;
+
+  if (isError || !data) {
+    return (
+      <Section2Error
+        message={
+          error instanceof Error
+            ? error.message
+            : "Не удалось загрузить данные участка"
+        }
+      />
+    );
+  }
+
+  const utilities = data.utilities;
+
+  // No utilities data in response (NSPD snapshot absent)
+  if (!utilities || utilities.summary.length === 0) {
+    return <Section2NoData />;
+  }
+
+  const {
+    summary,
+    power_line_охранная_зона_flag: powerLineZone,
+    note,
+  } = utilities;
+
+  // HeadlineBar subtitle: list distances for key utility types
+  const headlineSubtitle = buildSubtitle(summary);
+
+  return (
+    <section
+      id="section-2"
+      style={{
+        background: "var(--bg-card)",
+        border: "1px solid var(--border-card)",
+        borderRadius: 12,
+        padding: 20,
+        marginBottom: 24,
+      }}
+    >
+      {/* Section title */}
+      <h2
+        style={{
+          margin: "0 0 12px",
+          fontSize: 18,
+          fontWeight: 600,
+          color: "var(--fg-primary)",
+        }}
+      >
+        2. Сети и точки подключения
+      </h2>
+
+      {/* HeadlineBar */}
+      <div style={{ marginBottom: 16 }}>
+        <HeadlineBar title="Сети" subtitle={headlineSubtitle} />
+      </div>
+
+      {/* Power line охранная зона warning */}
+      {powerLineZone && (
+        <div
+          role="alert"
+          style={{
+            display: "flex",
+            alignItems: "flex-start",
+            gap: 10,
+            padding: "12px 16px",
+            background: "var(--danger-soft)",
+            border: "1px solid var(--danger)",
+            borderRadius: 10,
+            marginBottom: 16,
+            fontSize: 13,
+            color: "var(--danger)",
+          }}
+        >
+          <AlertTriangle
+            size={16}
+            strokeWidth={1.5}
+            style={{ flexShrink: 0, marginTop: 1 }}
+          />
+          <span>
+            Участок находится в охранной зоне ЛЭП ≥35 кВ. Капитальное
+            строительство в ОЗ запрещено (СП 36.13330, ЗОУИТ тип 5).
+          </span>
+        </div>
+      )}
+
+      {/* Utilities table */}
+      <UtilitiesTable items={summary} />
+
+      {/* Caveat note */}
+      {note && (
+        <div
+          style={{
+            display: "flex",
+            alignItems: "flex-start",
+            gap: 8,
+            marginTop: 12,
+            padding: "10px 12px",
+            background: "var(--bg-card-alt)",
+            borderRadius: 8,
+            fontSize: 12,
+            color: "var(--fg-secondary)",
+          }}
+        >
+          <Info
+            size={14}
+            strokeWidth={1.5}
+            style={{ flexShrink: 0, marginTop: 1, color: "var(--fg-tertiary)" }}
+          />
+          <span>{note}</span>
+        </div>
+      )}
+    </section>
+  );
+}

frontend/src/lib/mocks/parcel-analyze.json

@@ -112,5 +112,29 @@
     "encumbrance": "Нет",
     "status": "Учтённый",
     "last_updated": "2025-10-01"
+  },
+  "utilities": {
+    "summary": [
+      {
+        "subtype": "substation",
+        "nearest_m": 59,
+        "name": null,
+        "count_within_2km": 7
+      },
+      {
+        "subtype": "pipeline",
+        "nearest_m": 320,
+        "name": null,
+        "count_within_2km": 1
+      },
+      {
+        "subtype": "power_line",
+        "nearest_m": 630,
+        "name": null,
+        "count_within_2km": 2
+      }
+    ],
+    "power_line_охранная_зона_flag": false,
+    "note": "Охранная зона ЛЭП ≥35 кВ — 15-40м по обе стороны (СП 36.13330). В зоне ОЗ нельзя строить капитальные объекты."
   }
 }

frontend/src/lib/site-finder-api.ts

@@ -254,6 +254,29 @@ export interface ParcelEgrn {
   last_updated: string | null;
 }
 
+// ── Types: utilities (engineering nearby) ────────────────────────────────────
+
+export type UtilitySubtype =
+  | "substation"
+  | "pipeline"
+  | "power_line"
+  | "water_intake"
+  | "pumping_station"
+  | string; // open for future subtypes
+
+export interface UtilitySummaryItem {
+  subtype: UtilitySubtype;
+  nearest_m: number;
+  name: string | null;
+  count_within_2km: number;
+}
+
+export interface UtilitiesData {
+  summary: UtilitySummaryItem[];
+  power_line_охранная_зона_flag: boolean;
+  note: string | null;
+}
+
 export interface ParcelAnalyzeResponse {
   cad_num: string;
   source: string;
@@ -279,6 +302,8 @@ export interface ParcelAnalyzeResponse {
   poi_count: number;
   /** EGRN data — may be null if B5 extended not yet deployed */
   egrn?: ParcelEgrn | null;
+  /** Engineering / utilities nearby — present when NSPD data available */
+  utilities?: UtilitiesData | null;
 }
 
 // ── Types: B6 poi-score response ─────────────────────────────────────────────