chore: import upstream snapshot with attribution

tests/test_embedding_server_cli_flags.py

@@ -0,0 +1,39 @@
+import os
+import subprocess
+import sys
+from pathlib import Path
+
+
+def _run_help(module_name: str) -> str:
+    root = Path(__file__).resolve().parents[1]
+    extra_paths = [
+        str(root / "packages" / "leann-core" / "src"),
+        str(root / "packages" / "leann-backend-hnsw"),
+        str(root / "packages" / "leann-backend-diskann"),
+    ]
+    env = os.environ.copy()
+    existing = env.get("PYTHONPATH", "")
+    env["PYTHONPATH"] = os.pathsep.join(extra_paths + ([existing] if existing else []))
+
+    proc = subprocess.run(
+        [sys.executable, "-m", module_name, "--help"],
+        check=True,
+        text=True,
+        capture_output=True,
+        env=env,
+    )
+    return proc.stdout
+
+
+def test_hnsw_server_help_has_daemon_and_warmup_flags():
+    out = _run_help("leann_backend_hnsw.hnsw_embedding_server")
+    assert "--enable-warmup" in out
+    assert "--daemon-mode" in out
+    assert "--daemon-ttl" in out
+
+
+def test_diskann_server_help_has_daemon_and_warmup_flags():
+    out = _run_help("leann_backend_diskann.diskann_embedding_server")
+    assert "--enable-warmup" in out
+    assert "--daemon-mode" in out
+    assert "--daemon-ttl" in out