fix: close task3 qdrant and config quality gaps

harness/tests/test_qdrant_cli_commands.py

@@ -278,6 +278,35 @@ def test_vector_index_schema_json_rejects_incompatible_empty_collection(monkeypa
     assert not [call for call in calls if call[1].endswith("/points/scroll")]
 
 
+def test_vector_index_schema_json_maps_compatible_scroll_404(monkeypatch, tmp_path):
+    cfg = _qdrant_runtime_config(tmp_path)
+    _write_schema_artifacts(tmp_path)
+    keyword_indexes = {
+        "content_hash", "document_id", "kind", "record_key", "record_kind",
+        "vector_generation", "workspace_id", "workspace_revision",
+    }
+    calls = []
+
+    def request(method, url, **kwargs):
+        calls.append((method, url))
+        if method == "GET" and url.endswith("/collections/psd-clinical"):
+            return _Response(200, {"result": {
+                "config": {"params": {"vectors": {"size": 1024, "distance": "Cosine"}}},
+                "payload_schema": {key: {"data_type": "keyword"} for key in keyword_indexes},
+            }})
+        if method == "POST" and url.endswith("/points/scroll"):
+            return _Response(404, {"status": "error"})
+        raise AssertionError((method, url))
+
+    monkeypatch.setattr("requests.request", request)
+    response = CliRunner().invoke(app, ["vector", "index-schema", "--json", "-c", str(cfg)])
+
+    assert response.exit_code == 1
+    assert response.stdout == '{"code":"semantic_index_incompatible","status":"failed"}\n'
+    assert response.stderr == ""
+    assert not [call for call in calls if call[0] in {"PUT", "DELETE"}]
+
+
 def test_vector_index_schema_json_maps_require_existing_delete_race(monkeypatch, tmp_path):
     cfg = _qdrant_runtime_config(tmp_path)
     _write_schema_artifacts(tmp_path)