Keep manual redisplays separate from random task cloud heads

tests/test_local_cloud_library.py

@@ -144,3 +144,27 @@ def test_clear_cloud_requires_confirmation_and_clears_current(client, service):
     for _ in range(before):
         assert service.process_one()
     assert not service.registry.get("living-room").images()
+
+
+def test_manual_display_does_not_replace_task_head(client, service, settings):
+    setup_photos(service, settings)
+    job = make_job(client, "A")
+    first, asset = run(client, service, job)
+    second, _ = run(client, service, job)
+    client.put(f"/api/v1/assets/{asset}/star", json={"starred": True})
+    response = client.post(
+        "/api/v1/display", json={"content": {"type": "image", "asset_id": asset}}
+    )
+    service.process_one()
+    service.sync()
+    op = client.get("/api/v1/operations/" + response.json()["operation_id"]).json()
+    row = service.db.one(
+        "SELECT job_id FROM managed_cloud_uploads WHERE image_id=?",
+        (op["result"]["image_id"],),
+    )
+    assert row["job_id"] is None
+    assert service.cloud_library.retained(
+        service.db.one(
+            "SELECT * FROM managed_cloud_uploads WHERE image_id=?", (second,)
+        )
+    )