fix: complete PPI and KaKs reference handoff

tests/unit/test_reference_bundle_task_status.py

@@ -71,3 +71,45 @@ def test_reference_bundle_task_can_be_recovered_from_persisted_status(tmp_path,
     assert recovered is not None
     assert recovered["job_id"] == "job_ref_recover"
     assert recovered["status"] == "failed"
+
+
+def test_reference_bundle_task_uses_english_user_messages(tmp_path, monkeypatch):
+    from apps.web import pipeline_backend
+    from apps.web.vue3 import main
+
+    monkeypatch.setattr(main, "WORKSPACE_ROOT", tmp_path / "workspace")
+    monkeypatch.setattr(main, "INPUT_ROOT", tmp_path / "input")
+    job_id = "job_ref_english"
+    task_id = "task_ref_english"
+    (tmp_path / "workspace" / job_id).mkdir(parents=True)
+    (tmp_path / "input" / job_id).mkdir(parents=True)
+    main.tasks[task_id] = {
+        "id": task_id,
+        "task_id": task_id,
+        "stage": "reference_bundle_download",
+        "job_id": job_id,
+        "status": "pending",
+    }
+    monkeypatch.setattr(
+        pipeline_backend,
+        "download_reference_annotation_bundle",
+        lambda **_kwargs: {
+            "status": "success",
+            "requested_file_types": ["pep", "cds"],
+            "files": {"pep": "ref.pep.fasta", "cds": "ref.cds.fasta"},
+        },
+    )
+
+    main.run_reference_bundle_download_task(
+        task_id,
+        {
+            "job_id": job_id,
+            "species_code": "string_taxon_3562",
+            "requested_stages": ["ppi"],
+            "timeout_sec": 30,
+        },
+    )
+
+    task = main.tasks.pop(task_id)
+    assert task["message"] == "PPI and Ka/Ks reference species data are ready"
+    assert task["progress"]["message"] == "PPI and Ka/Ks reference species data are ready"