feat(admin,partner): Tencent map location picker and expose LBS key

Store create/edit on HQ and partner can pick coords via Tencent locpicker; client-config exposes TENCENT_LBS_KEY; seed empty system settings from env.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/h5-partner/src/pages/StoreDetailPage.tsx

@@ -8,6 +8,7 @@ import { canManagePartnerStore } from '../lib/partnerAccess';
 import { normalizeStringArray, patchEnvPhotoAt } from '../lib/storeDraft';
 import { formatStoreCoords, locateStorePosition } from '../lib/storeLocate';
 import OssUploadField from '../components/OssUploadField';
+import TencentLocPickerOverlay from '../components/TencentLocPickerOverlay';
 import {
   canPartnerOpenStore,
   storeAuditLabel,
@@ -54,6 +55,7 @@ export default function StoreDetailPage() {
   const [saving, setSaving] = useState(false);
   const [mediaSaving, setMediaSaving] = useState(false);
   const [locating, setLocating] = useState(false);
+  const [mapPickerOpen, setMapPickerOpen] = useState(false);
   const [actionError, setActionError] = useState('');
   const [closeConfirmOpen, setCloseConfirmOpen] = useState(false);
 
@@ -367,6 +369,14 @@ export default function StoreDetailPage() {
                 >
                   {locating ? '定位中…' : '获取当前位置'}
                 </button>
+                <button
+                  type="button"
+                  className="partner-btn-outline"
+                  style={{ padding: '8px 12px', fontSize: 13 }}
+                  onClick={() => setMapPickerOpen(true)}
+                >
+                  地图选点
+                </button>
                 <span className="label-md text-muted">
                   {formatStoreCoords(form.latitude, form.longitude)
                     ? `坐标：${formatStoreCoords(form.latitude, form.longitude)}`
@@ -480,6 +490,24 @@ export default function StoreDetailPage() {
           </div>
         </div>
       )}
+
+      <TencentLocPickerOverlay
+        open={mapPickerOpen}
+        onClose={() => setMapPickerOpen(false)}
+        latitude={form.latitude ? Number(form.latitude) : undefined}
+        longitude={form.longitude ? Number(form.longitude) : undefined}
+        onPick={(loc) => {
+          setForm((prev) => ({
+            ...prev,
+            latitude: String(loc.latitude),
+            longitude: String(loc.longitude),
+            ...(loc.address && !prev.address.trim() ? { address: loc.address } : {}),
+          }));
+          toastSuccess(
+            `已选点 ${loc.latitude.toFixed(6)}, ${loc.longitude.toFixed(6)}${loc.name ? `（${loc.name}）` : ''}`,
+          );
+        }}
+      />
     </div>
   );
 }