release: nexus btpanel session fix and app-v2

tests/test_sync_batch_id.py

@@ -0,0 +1,24 @@
+"""Client-supplied push batch_id for WebSocket progress before POST."""
+
+import pytest
+
+from server.api.schemas import SyncFiles
+
+
+def test_sync_files_accepts_client_batch_id():
+    bid = "abc123def456"
+    payload = SyncFiles(
+        server_ids=[1],
+        source_path="/tmp/nexus_upload_test",
+        batch_id=bid,
+    )
+    assert payload.batch_id == bid
+
+
+def test_sync_files_rejects_invalid_batch_id():
+    with pytest.raises(ValueError):
+        SyncFiles(
+            server_ids=[1],
+            source_path="/tmp/nexus_upload_test",
+            batch_id="not-hex-id",
+        )