fix(panel): 镜像页构建卡显示真实构建总数并链到构建页，读不到时显示横线

panel/src/pages/admin/ImageAdmin.test.tsx

@@ -6,7 +6,7 @@ import { MemoryRouter } from "react-router-dom";
 import i18next from "i18next";
 import { ImageAdmin } from "./ImageAdmin";
 
-const calls = vi.hoisted(() => ({ listImages: vi.fn(), removeImage: vi.fn() }));
+const calls = vi.hoisted(() => ({ listImages: vi.fn(), removeImage: vi.fn(), listBuilds: vi.fn() }));
 vi.mock("@/lib/api", async (importOriginal) => {
   const actual = await importOriginal<typeof import("@/lib/api")>();
   return { ...actual, api: { ...actual.api, ...calls } };
@@ -18,6 +18,7 @@ const REF = "registry.felis.svc:5000/paper:1.21";
 beforeEach(() => {
   for (const fn of Object.values(calls)) fn.mockReset();
   calls.listImages.mockResolvedValue([{ image_ref: REF, source: "external", enabled: true }]);
+  calls.listBuilds.mockResolvedValue({ builds: [], total: 0 });
   // A native dialog here would block (or be blocked in an embedded browser).
   vi.spyOn(window, "confirm").mockImplementation(() => {
     throw new Error("window.confirm used");
@@ -94,3 +95,37 @@ describe("ImageAdmin source", () => {
     expect(screen.getByText("registry.felis.svc:5000/paper:demo")).toBeTruthy();
   });
 });
+
+describe("ImageAdmin build pipeline card", () => {
+  const renderPage = () =>
+    render(
+      <MemoryRouter>
+        <ImageAdmin />
+      </MemoryRouter>,
+    );
+  const card = () => screen.getByRole("link", { name: new RegExp(t("admin:builds_title")) });
+
+  it("counts builds, whatever the number of images, and leads to the pipeline", async () => {
+    calls.listImages.mockResolvedValue([
+      { image_ref: REF, source: "external", enabled: true },
+      { image_ref: `${REF}-b`, source: "external", enabled: false },
+    ]);
+    calls.listBuilds.mockResolvedValue({
+      builds: [{ id: "b-7", image_ref: REF, status: "succeeded", requested_by: "admin", created_at: "2026-09-01T00:00:00Z" }],
+      total: 7,
+    });
+    renderPage();
+
+    await vi.waitFor(() => expect(card().textContent).toBe(`7${t("admin:builds_title")}`));
+    expect(card().getAttribute("href")).toBe("/admin/builds");
+    expect(calls.listBuilds.mock.calls).toEqual([[{ limit: 1 }]]);
+  });
+
+  it("shows a dash when the build history can't be read", async () => {
+    calls.listBuilds.mockRejectedValue({ status: 503, code: "build_unavailable", message: "builder off" });
+    renderPage();
+    await screen.findByText(REF);
+
+    await vi.waitFor(() => expect(card().textContent).toBe(`—${t("admin:builds_title")}`));
+  });
+});

panel/src/pages/admin/ImageAdmin.tsx

@@ -1,4 +1,5 @@
 import { useState, useMemo } from "react";
+import { Link } from "react-router-dom";
 import { Boxes, CheckCircle2, CircleSlash, Plus, Trash2, Wrench } from "lucide-react";
 import { SearchInput } from "@/components/SearchInput";
 import { StatCard } from "@/components/StatCard";
@@ -64,10 +65,12 @@ export function ImageAdmin() {
     const total = images.length;
     const enabled = images.filter((img) => img.enabled).length;
     const disabled = total - enabled;
-    const buildCount = total;
-    return { total, enabled, disabled, buildCount };
+    return { total, enabled, disabled };
   }, [images]);
-  const { total, enabled, disabled, buildCount } = stats;
+  const { total, enabled, disabled } = stats;
+  // The pipeline card counts builds, which live in their own history: one row is
+  // enough, the answer carries the total. A read that failed shows a dash.
+  const buildsQ = useAsync(() => api.listBuilds({ limit: 1 }), []);
 
   // Filtered & Paginated Images
   const filteredImages = useMemo(() => {
@@ -185,7 +188,17 @@ export function ImageAdmin() {
         <StatCard icon={Boxes} label={t("filter_all")} value={total} accentClass="text-primary bg-primary/10" />
         <StatCard icon={CheckCircle2} label={t("enabled")} value={enabled} accentClass="text-emerald-500 bg-emerald-500/10" />
         <StatCard icon={CircleSlash} label={t("disabled")} value={disabled} accentClass="text-zinc-500 bg-zinc-500/10" />
-        <StatCard icon={Wrench} label={t("builds_title")} value={buildCount} accentClass="text-primary bg-primary/10" />
+        <Link
+          to="/admin/builds"
+          className="block rounded-lg transition-shadow hover:shadow-md focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
+        >
+          <StatCard
+            icon={Wrench}
+            label={t("builds_title")}
+            value={buildsQ.data ? buildsQ.data.total : "—"}
+            accentClass="text-primary bg-primary/10"
+          />
+        </Link>
       </div>
 
       {/* Whitelist Table Card */}