Add deprioritized device group

test/server/device-inventory.test.js

@@ -79,6 +79,7 @@ test('malformed persisted devices and remote observations cannot enter canonical
     id: deviceId(mac),
     alias: '',
     pinned: false,
+    deprioritized: false,
     hostname: null,
     manufacturer: null,
     source: 'neighbor',
@@ -183,6 +184,7 @@ test('device inventory discovers, merges, persists metadata and expires anonymou
   assert.equal(snapshot.devices[0].status, 'recent');
 
   snapshot = service.update(snapshot.devices[0].id, { alias: 'Телевизор', pinned: true }, snapshot.revision);
+  const namedId = snapshot.devices[0].id;
   const restarted = createDeviceInventoryService({ store, observe: async () => observation, vendor, now: () => current });
   assert.deepEqual(restarted.snapshot().devices[0], snapshot.devices[0]);
   assert.throws(
@@ -190,15 +192,57 @@ test('device inventory discovers, merges, persists metadata and expires anonymou
     (error) => error.code === 'STATE_CONFLICT',
   );
 
-  observation = { observedAt: current.toISOString(), observations: [], error: 'source unavailable' };
+  current = new Date('2026-07-01T10:06:00.000Z');
+  observation = {
+    observedAt: current.toISOString(),
+    observations: parseNeighborSnapshot([
+      { dst: '192.168.50.18', dev: 'br0', lladdr: '00:11:22:33:44:55', state: ['REACHABLE'] },
+    ], current.toISOString()),
+    error: null,
+  };
   snapshot = await restarted.refresh();
   assert.equal(snapshot.devices.length, 1);
+  assert.equal(snapshot.devices[0].id, namedId);
+  assert.equal(snapshot.devices[0].ip, '192.168.50.18');
+  assert.equal(snapshot.devices[0].alias, 'Телевизор');
+  assert.equal(snapshot.devices[0].pinned, true);
+
+  observation = {
+    observedAt: current.toISOString(),
+    observations: parseNeighborSnapshot([
+      { dst: '192.168.50.18', dev: 'br0', lladdr: '00:11:22:33:44:66', state: ['REACHABLE'] },
+    ], current.toISOString()),
+    error: null,
+  };
+  snapshot = await restarted.refresh();
+  const replacement = snapshot.devices.find(({ mac: deviceMac }) => deviceMac === '00:11:22:33:44:66');
+  assert.notEqual(replacement.id, namedId);
+  assert.equal(replacement.alias, '');
+  assert.equal(replacement.pinned, false);
+
+  snapshot = restarted.update(namedId, { deprioritized: true }, snapshot.revision);
+  const deprioritized = snapshot.devices.find(({ id }) => id === namedId);
+  assert.equal(deprioritized.pinned, false);
+  assert.equal(deprioritized.deprioritized, true);
+  assert.throws(
+    () => restarted.update(namedId, { pinned: true, deprioritized: true }, snapshot.revision),
+    (error) => error.code === 'REQUEST_INVALID',
+  );
+  const persisted = createDeviceInventoryService({ store, observe: async () => observation, vendor, now: () => current });
+  assert.equal(persisted.snapshot().devices.find(({ id }) => id === namedId).deprioritized, true);
+
+  observation = { observedAt: current.toISOString(), observations: [], error: 'source unavailable' };
+  snapshot = await persisted.refresh();
+  assert.equal(snapshot.devices.length, 2);
   assert.equal(snapshot.source.error, 'source unavailable');
 
-  snapshot = restarted.update(snapshot.devices[0].id, { alias: '', pinned: false }, snapshot.revision);
+  snapshot = persisted.update(namedId, { alias: '' }, snapshot.revision);
   current = new Date('2026-08-02T10:00:00.000Z');
   observation = { observedAt: current.toISOString(), observations: [], error: null };
-  snapshot = await restarted.refresh();
+  snapshot = await persisted.refresh();
+  assert.deepEqual(snapshot.devices.map(({ id }) => id), [namedId]);
+  snapshot = persisted.update(namedId, { deprioritized: false }, snapshot.revision);
+  snapshot = await persisted.refresh();
   assert.equal(snapshot.devices.length, 0);
 
   const failed = readNeighborSnapshot(() => ({ status: 1, stderr: 'not available' }), () => current);