feat(listings): 매물 목록 탭(필터·판정 tier·수집) + 스모크 테스트

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01UHXzpsZQxKG9hQmNRfZjRS

src/pages/listings/components/ListingsTab.jsx

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+import React, { useEffect, useState } from 'react';
+import { getListings, collectListings, getListingsCollectStatus } from '../../../api';
+import { tierMeta, formatMoney, formatRatio } from '../listingsUtils';
+
+const DEAL_TYPES = ['전체', '전세', '반전세', '매매'];
+
+const ListingCard = ({ l }) => {
+  const isSale = l.deal_type === '매매';
+  const tv = isSale ? l.valuation_tier : l.safety_tier;
+  const meta = tierMeta(isSale ? 'valuation' : 'safety', tv);
+  const price = l.price ?? l.deposit ?? l.amount;
+  const flags = Array.isArray(l.regulation_flags) ? l.regulation_flags : [];
+  const reasons = Array.isArray(l.reasons) ? l.reasons : [];
+  return (
+    <div className="lst-card">
+      <div className="lst-card__head">
+        {tv && <span className="lst-tier" style={{ color: meta.color }}>{meta.emoji} {meta.label}</span>}
+        <strong className="lst-card__name">{l.complex_name || l.name || l.dong || '(매물)'}</strong>
+        {l.deal_type && <span className="lst-card__deal">{l.deal_type}</span>}
+        {l.dong && <span className="lst-card__dong">{l.dong}</span>}
+      </div>
+      <div className="lst-card__body">
+        {price != null && <span className="lst-card__price">{formatMoney(price)}</span>}
+        {l.area != null && <span className="lst-card__area">{l.area}m²</span>}
+        {l.ratio != null && <span className="lst-card__ratio">비율 {formatRatio(l.ratio)}</span>}
+      </div>
+      {flags.length > 0 && (
+        <div className="lst-flags">{flags.map((f, i) => <span key={i} className="lst-flag">{f}</span>)}</div>
+      )}
+      {reasons.length > 0 && <div className="lst-card__reasons">{reasons.join(' · ')}</div>}
+    </div>
+  );
+};
+
+const ListingsTab = () => {
+  const [listings, setListings] = useState([]);
+  const [dealType, setDealType] = useState('전체');
+  const [matchedOnly, setMatchedOnly] = useState(false);
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState('');
+  const [collectStatus, setCollectStatus] = useState(null);
+  const [collecting, setCollecting] = useState(false);
+
+  const load = async () => {
+    setLoading(true);
+    setError('');
+    try {
+      const data = await getListings({
+        deal_type: dealType === '전체' ? undefined : dealType,
+        matched_only: matchedOnly,
+        size: 50,
+      });
+      setListings(Array.isArray(data) ? data : (data.listings ?? []));
+    } catch (e) {
+      setError(e?.message ?? String(e));
+      setListings([]);
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const loadStatus = async () => {
+    try { setCollectStatus(await getListingsCollectStatus()); } catch { /* noop */ }
+  };
+
+  useEffect(() => { load(); }, [dealType, matchedOnly]); // eslint-disable-line react-hooks/exhaustive-deps
+  useEffect(() => { loadStatus(); }, []);
+
+  const handleCollect = async () => {
+    setCollecting(true);
+    try {
+      await collectListings();
+      setTimeout(() => { loadStatus(); load(); setCollecting(false); }, 3000);
+    } catch (e) {
+      setError(e?.message ?? String(e));
+      setCollecting(false);
+    }
+  };
+
+  return (
+    <div className="lst-tab">
+      <div className="lst-toolbar">
+        <div className="lst-filter">
+          {DEAL_TYPES.map((d) => (
+            <button key={d} type="button" className={`lst-filter-btn ${dealType === d ? 'is-active' : ''}`}
+              onClick={() => setDealType(d)}>{d}</button>
+          ))}
+        </div>
+        <div className="lst-toolbar__right">
+          <button type="button" className={`lst-filter-btn ${matchedOnly ? 'is-active' : ''}`}
+            onClick={() => setMatchedOnly((v) => !v)}>매칭만</button>
+          <button type="button" className="lst-filter-btn is-primary" onClick={handleCollect} disabled={collecting}>
+            {collecting ? '수집 중…' : '수집 실행'}
+          </button>
+        </div>
+      </div>
+
+      {collectStatus && (
+        <p className="lst-status">
+          수집 상태: {collectStatus.status === 'never_run' ? '미실행' : collectStatus.status}
+          {collectStatus.total_count != null && ` · 총 ${collectStatus.total_count}건`}
+          {collectStatus.error && <span style={{ color: '#f87171' }}> · 오류: {collectStatus.error}</span>}
+        </p>
+      )}
+
+      {error && <p className="lst-error">{error}</p>}
+
+      {loading ? (
+        <p className="lst-empty">불러오는 중…</p>
+      ) : listings.length === 0 ? (
+        <p className="lst-empty">조건에 맞는 매물이 없습니다. ‘수집 실행’으로 매물을 모아보세요.</p>
+      ) : (
+        <div className="lst-grid">
+          {listings.map((l) => <ListingCard key={l.id ?? `${l.complex_name}-${l.dong}`} l={l} />)}
+        </div>
+      )}
+    </div>
+  );
+};
+
+export default ListingsTab;