fix(h5-partner): resolve merge conflicts for auth and sub-accounts

Merge partner session model (AuthGate, ensureSession, WeChat OAuth in Context) with sub-account routing, admin partner-account tree CRUD, upload lock, and partner staff flows.

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

apps/h5-partner/src/lib/storeDraft.ts

@@ -45,7 +45,7 @@ export const defaultStoreForm = (): StoreDraftForm => ({
   bankBranch: '',
 });
 
-function normalizeStringArray(raw: unknown, length: number): string[] {
+export function normalizeStringArray(raw: unknown, length: number): string[] {
   if (!Array.isArray(raw)) return Array.from({ length }, () => '');
   const items = raw.map((item) => String(item ?? ''));
   while (items.length < length) items.push('');
@@ -138,6 +138,12 @@ export function validateStoreStep2(
   return null;
 }
 
+export function patchEnvPhotoAt(urls: string[], index: number, url: string): string[] {
+  const envPhotoUrls = normalizeStringArray(urls, 3);
+  envPhotoUrls[index] = url;
+  return envPhotoUrls;
+}
+
 export function validateStoreStep3(
   form: Pick<StoreDraftForm, 'bankAccountName' | 'bankAccountNo' | 'bankBranch'>,
 ): string | null {