每日免费发放额为 0 时前端隐藏该池

- 后端：module-runtime 的 daily_free_points_per_day 校验由「必须大于 0」放宽为只校验上界，错误变体改名 DailyFreePointsPerDayOverflow
- 前端共享层：mudPoints 新增 shouldShowProfileDailyFreePool，判定 remaining > 0 || reset > 0，判定收口一处
- 钱包入口：PlatformMudPointWalletEntry 在每日免费发放额为 0 且无存量时隐藏该行
- 充值弹层：PlatformProfileRechargeModal 池概览按可见池渲染（三列变两列），扣点顺序提示与泥点确认页文案随可见性切换
- Admin Web：账号配置页每日免费泥点允许填 0（校验、min 与文案同步）
- 测试：删除「每日免费必然存在」断言，新增隐藏 / 有存量仍显示 / 发放额为正三类用例，并修正钱包入口测试在 HEAD 上失效的选择器
- 文档：更新会员与泥点前端改造设计文档 §14 与 shared-memory 决策记录

apps/admin-web/src/pages/AdminProfileWalletConfigPage.test.tsx

@@ -94,7 +94,7 @@ test('账号配置页一次保存初始和每日免费泥点', async () => {
   );
 });
 
-test('账号配置页拒绝非正整数每日免费额度', async () => {
+test('账号配置页拒绝负数或非整数每日免费额度', async () => {
   render(
     <AdminProfileWalletConfigPage
       token="admin-token"
@@ -109,5 +109,38 @@ test('账号配置页拒绝非正整数每日免费额度', async () => {
     (screen.getByRole('button', { name: '保存' }) as HTMLButtonElement)
       .disabled,
   ).toBe(true);
+  fireEvent.change(input, { target: { value: '-1' } });
+  expect(
+    (screen.getByRole('button', { name: '保存' }) as HTMLButtonElement)
+      .disabled,
+  ).toBe(true);
   expect(upsertProfileWalletConfig).not.toHaveBeenCalled();
 });
+
+test('账号配置页允许把每日免费泥点配置为 0', async () => {
+  const user = userEvent.setup();
+  vi.mocked(upsertProfileWalletConfig).mockResolvedValue({
+    ...configResponse,
+    dailyFreePointsPerDay: 0,
+  });
+  render(
+    <AdminProfileWalletConfigPage
+      token="admin-token"
+      result={configResponse}
+      onUnauthorized={vi.fn()}
+      onResultChange={vi.fn()}
+    />,
+  );
+  fireEvent.change(await screen.findByLabelText('每日免费泥点数'), {
+    target: { value: '0' },
+  });
+  await user.click(screen.getByRole('button', { name: '保存' }));
+  expect(screen.getByText('初始 100 泥点，每日免费 0 泥点')).toBeTruthy();
+  await user.click(screen.getByRole('button', { name: '确认' }));
+  await waitFor(() =>
+    expect(upsertProfileWalletConfig).toHaveBeenCalledWith('admin-token', {
+      initialMudPoints: 100,
+      dailyFreePointsPerDay: 0,
+    }),
+  );
+});

apps/admin-web/src/pages/AdminProfileWalletConfigPage.tsx

@@ -66,11 +66,11 @@ export function AdminProfileWalletConfigPage({
     if (isSaving) {
       return;
     }
-    const normalizedDailyFreePointsPerDay = parsePositiveInteger(
+    const normalizedDailyFreePointsPerDay = parseNonNegativeInteger(
       dailyFreePointsPerDay,
     );
-    if (!normalizedDailyFreePointsPerDay) {
-      setErrorMessage('每日免费泥点数必须是大于 0 的整数');
+    if (normalizedDailyFreePointsPerDay === null) {
+      setErrorMessage('每日免费泥点数必须是不小于 0 的整数');
       return;
     }
 
@@ -139,7 +139,7 @@ export function AdminProfileWalletConfigPage({
 
           <AdminField label="每日免费泥点数">
             <input
-              min={1}
+              min={0}
               step={1}
               type="number"
               value={dailyFreePointsPerDay}
@@ -154,7 +154,7 @@ export function AdminProfileWalletConfigPage({
             disabled={
               isSaving ||
               !parsePositiveInteger(initialMudPoints) ||
-              !parsePositiveInteger(dailyFreePointsPerDay)
+              parseNonNegativeInteger(dailyFreePointsPerDay) === null
             }
             type="submit"
           >
@@ -205,3 +205,11 @@ function parsePositiveInteger(value: string) {
   const parsed = Number(value);
   return Number.isSafeInteger(parsed) && parsed > 0 ? parsed : 0;
 }
+
+function parseNonNegativeInteger(value: string): number | null {
+  if (value.trim() === '') {
+    return null;
+  }
+  const parsed = Number(value);
+  return Number.isSafeInteger(parsed) && parsed >= 0 ? parsed : null;
+}