fix(assets): expose full inventory for scoped users and stabilize previews

src/server/routes/asset-assistant/analysis.test.ts

@@ -129,7 +129,7 @@ test("multi-level clicks and follow-ups preserve exact scope, branching and reco
   const root = await ask(app, {
     message: "各区域的库存车辆有多少？按数量排序。",
   });
-  assert.equal(root.rows.length, 4);
+  assert.equal(root.rows.length, 5);
   assert.equal(root.plan.category, "inventory");
   const region = await ask(app, {
     ...based(root),
@@ -137,13 +137,13 @@ test("multi-level clicks and follow-ups preserve exact scope, branching and reco
   });
   assert.deepEqual(region.plan.filters, { region: ["华东"] });
   assert.equal(region.plan.groupBy, "city");
-  assert.equal(region.rows.length, 3);
+  assert.equal(region.rows.length, 4);
   const city = await ask(app, {
     ...based(region),
     action: { type: "drill", keys: { city: "嘉兴市" } },
   });
   assert.deepEqual(city.plan.filters, { region: ["华东"], city: ["嘉兴市"] });
-  assert.equal(city.rows.length, 2);
+  assert.equal(city.rows.length, 3);
   const types = await ask(app, { ...based(city), message: "再按车型拆分" });
   assert.deepEqual(types.plan.filters, city.plan.filters);
   assert.equal(types.plan.groupBy, "type");
@@ -167,7 +167,7 @@ test("multi-level clicks and follow-ups preserve exact scope, branching and reco
     action: { type: "restore" },
   });
   assert.deepEqual(branch.plan.filters, {});
-  assert.equal(branch.rows.length, 4);
+  assert.equal(branch.rows.length, 5);
   assert.equal(detail.breadcrumbs?.length, 6);
   for (const r of [root, region, city, types, subsets, detail])
     assert.equal(