Clarify transfer rejections and improve storage readability

tests/e2e/admin.mjs

@@ -160,7 +160,40 @@ try {
   await admin.locator('.admin-file').filter({ hasText: 'sample.mp4' }).waitFor();
   assert.match(await admin.locator('.admin-file').innerText(), /중국\(CN\) · Beijing/);
   assert.match(await admin.locator('.admin-file').innerText(), /1\.1\.1\.1/);
-  assert.match(await admin.locator('.admin-file-owner').innerText(), /^[a-f0-9-]{36}\s+비로그인$/);
+  assert.match(
+    await admin.locator('.admin-file-owner').innerText(),
+    /^[a-f0-9-]{36}\s*·\s*게스트\(Guest\)$/,
+  );
+  assert.match(await admin.locator('.admin-file').innerText(), /Beijing\s*·\s*1\.1\.1\.1/);
+  const sizeStyle = await admin
+    .locator('.admin-stats article')
+    .nth(1)
+    .locator('strong .file-size')
+    .evaluate((label) => {
+      const fraction = label.querySelector('.file-size-fraction');
+      const whole = label.querySelector('.file-size-whole');
+      const unit = label.querySelector('.file-size-unit');
+      return {
+        whole: whole.textContent,
+        fraction: fraction.textContent,
+        unit: unit.textContent,
+        dimmed: Number(getComputedStyle(fraction).opacity) < 1,
+        smaller:
+          parseFloat(getComputedStyle(fraction).fontSize) <
+          parseFloat(getComputedStyle(whole).fontSize),
+        inline: getComputedStyle(fraction).display === 'inline',
+        unitGap: parseFloat(getComputedStyle(unit).marginInlineStart) > 0,
+      };
+    });
+  assert.deepEqual(sizeStyle, {
+    whole: '7,687',
+    fraction: '.0',
+    unit: 'GB',
+    dimmed: true,
+    smaller: true,
+    inline: true,
+    unitGap: true,
+  });
   assert.doesNotMatch(await admin.locator('.admin-file-owner').innerText(), /guest-|user-/);
   assert.match(await admin.locator('.admin-file').innerText(), /접속 지역 · 중국\(CN\) · Beijing/);
   assert.doesNotMatch(await admin.locator('.admin-file').innerText(), /최근 접속/);
@@ -475,7 +508,7 @@ try {
   const ownedCard = admin.locator('.admin-file').filter({ hasText: 'account-owner.txt' });
   await ownedCard.waitFor();
   const ownerLabel = await ownedCard.locator('.admin-file-owner').innerText();
-  assert.match(ownerLabel, /^[a-f0-9-]{36}\s+other@hop\.test$/);
+  assert.match(ownerLabel, /^[a-f0-9-]{36}\s*·\s*other@hop\.test$/);
   assert.doesNotMatch(ownerLabel, /user-|guest-|\[/);
   await admin.screenshot({ path: 'tests/e2e/admin-file-account.png', fullPage: true });
   await admin.getByRole('button', { name: '관리 기록', exact: true }).click();