diff --git a/admin-characters.html b/admin-characters.html
index 3489951..95df689 100644
--- a/admin-characters.html
+++ b/admin-characters.html
@@ -69,6 +69,7 @@
           <th>默认</th>
           <th>来源</th>
           <th>状态</th>
+          <th>片段配额</th>
           <th>创建时间</th>
           <th>操作</th>
         </tr>
@@ -97,6 +98,14 @@ function escapeHtml(s) {
   return div.innerHTML;
 }
 
+// T31: totalSegments/remainingSegments are only ever non-null for
+// source:"user_paid" characters (mode 3, T35) — admin_seed characters like
+// the default one stay null forever (unlimited plays, not a purchased quota).
+function segmentsLabel(c) {
+  if (c.totalSegments == null) return "-";
+  return `${c.remainingSegments ?? 0}/${c.totalSegments}`;
+}
+
 async function uploadImage(file) {
   const fd = new FormData();
   fd.append("file", file);
@@ -134,6 +143,7 @@ function render() {
           <td><input type="checkbox" data-field="isDefault" ${c.isDefault ? "checked" : ""} /></td>
           <td>${c.source}</td>
           <td>${c.status}</td>
+          <td>${segmentsLabel(c)}</td>
           <td>${new Date(c.createdAt).toLocaleDateString()}</td>
           <td class="row-actions">
             <button data-save="${c.id}">保存</button>
@@ -150,6 +160,7 @@ function render() {
           <td>${c.isDefault ? '<span class="default-badge">默认</span>' : ""}</td>
           <td>${c.source}</td>
           <td>${c.status}</td>
+          <td>${segmentsLabel(c)}</td>
           <td>${new Date(c.createdAt).toLocaleDateString()}</td>
           <td class="row-actions">
             <button class="secondary" data-edit="${c.id}">编辑</button>
diff --git a/dressup-crud.test.js b/dressup-crud.test.js
index 9648a94..f8361d6 100644
--- a/dressup-crud.test.js
+++ b/dressup-crud.test.js
@@ -122,6 +122,35 @@ test("characters: setting isDefault on a second character clears it on the first
   );
 });
 
+// T31 (dev-plan-5.md): totalSegments/remainingSegments/status were already
+// part of the schema (T1) but never actually read/written until mode 3
+// (T35) exists. This just proves the plumbing (PATCH, admin.html's
+// segmentsLabel()) has something real to render — admin_seed characters
+// stay null/active by default (unaffected).
+test("characters: totalSegments/remainingSegments/status round-trip via PATCH (mode 3's shape, before T35 exists)", async () => {
+  const created = await fetch(
+    `${BASE}/api/admin/characters`,
+    authed({ method: "POST", body: JSON.stringify({ name: "付费人物占位", imageUrl: "/x.png", appearanceDescriptor: "d" }) })
+  ).then((r) => r.json());
+  assert.equal(created.totalSegments, null);
+  assert.equal(created.remainingSegments, null);
+  assert.equal(created.status, "active");
+
+  const patched = await fetch(
+    `${BASE}/api/admin/characters/${created.id}`,
+    authed({ method: "PATCH", body: JSON.stringify({ totalSegments: 3, remainingSegments: 3, status: "active" }) })
+  ).then((r) => r.json());
+  assert.equal(patched.totalSegments, 3);
+  assert.equal(patched.remainingSegments, 3);
+
+  const expired = await fetch(
+    `${BASE}/api/admin/characters/${created.id}`,
+    authed({ method: "PATCH", body: JSON.stringify({ remainingSegments: 0, status: "expired" }) })
+  ).then((r) => r.json());
+  assert.equal(expired.status, "expired");
+  assert.equal(expired.totalSegments, 3, "totalSegments is history, not reset by going expired");
+});
+
 test("garments: create/list round-trip with defaults", async () => {
   const res = await fetch(
     `${BASE}/api/admin/garments`,