Homebox sync: fall back to tags when /labels is gone

Newer Homebox releases renamed labels to tags (/api/v1/tags and the
items?tags= filter), so the labels call answered 404.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_012aSbo2D1qP8cMFQCykf7kx

services/content/test/sync/homelab.test.ts

@@ -375,6 +375,32 @@ describe("Homebox", () => {
     const missing = await scheduler(homeboxJob({ url: "http://homebox:7745", user: "u", pass: "p", labels: parseFilters("vinyl") }), f.fn).runNow("homebox");
     expect(missing).toMatchObject({ ok: false, message: expect.stringContaining("vinyl") });
   });
+
+  it("falls back to tags on Homebox releases without /labels", async () => {
+    r.put({
+      type: "product-line",
+      title: "Wallet",
+      category: "Leather",
+      mode: "made to order",
+      channel: "here",
+      summary: "s",
+      slots: { open: 1, total: 2 },
+      priceTiers: [],
+      options: [{ group: "Leather", name: "Chrome tan, Black" }],
+      publish: true,
+    });
+    r.service.scan();
+    const f = fakeFetch((url) => {
+      if (url.endsWith("/api/v1/users/login")) return ok({ token: "Bearer hb-token", expiresAt: "2026-10-12T00:00:00Z" });
+      if (url.endsWith("/api/v1/tags")) return ok(fixture("homebox-labels.sample.json"));
+      if (url.includes("/api/v1/items?")) {
+        return new URL(url).searchParams.get("tags")?.endsWith("01") ? ok(fixture("homebox-items.sample.json")) : ok({ items: [], total: 0 });
+      }
+      return ok({}, 404);
+    });
+    const report = await scheduler(homeboxJob({ url: "http://homebox:7745", user: "u", pass: "p", labels: parseFilters("leather,paper") }), f.fn).runNow("homebox");
+    expect(report).toMatchObject({ ok: true, counts: { lines: 1, leather: 1, paper: 0 } });
+  });
 });
 
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