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/StoreCreatePage.tsx

@@ -19,6 +19,8 @@ import { fetchPartnerCities, type OpenCityOption } from '../lib/upload';
 
 import { usePartnerSession } from '../contexts/PartnerSessionContext';
 
+import TencentLocPickerOverlay from '../components/TencentLocPickerOverlay';
+
 import {
 
   clearAllStoreDrafts,
@@ -106,6 +108,8 @@ export default function StoreCreatePage() {
 
   const [locating, setLocating] = useState(false);
 
+  const [mapPickerOpen, setMapPickerOpen] = useState(false);
+
   const draftSaveDisabledRef = useRef(false);
 
   function reportFormError(message: string) {
@@ -777,10 +781,18 @@ export default function StoreCreatePage() {
                 >
                   {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)}`
-                    : '未定位（提交后可按地址自动解析）'}
+                    : '未定位（可定位或地图选点）'}
                 </span>
               </div>
 
@@ -1278,6 +1290,23 @@ export default function StoreCreatePage() {
 
       </footer>
 
+      <TencentLocPickerOverlay
+        open={mapPickerOpen}
+        onClose={() => setMapPickerOpen(false)}
+        latitude={form.latitude ? Number(form.latitude) : undefined}
+        longitude={form.longitude ? Number(form.longitude) : undefined}
+        onPick={(loc) => {
+          patchForm({
+            latitude: String(loc.latitude),
+            longitude: String(loc.longitude),
+            ...(loc.address && !form.address.trim() ? { address: loc.address } : {}),
+          });
+          toastSuccess(
+            `已选点 ${loc.latitude.toFixed(6)}, ${loc.longitude.toFixed(6)}${loc.name ? `（${loc.name}）` : ''}`,
+          );
+        }}
+      />
+
     </div>
 
   );