From cd7640971dec542505915fbbac0d7a49fda079a2 Mon Sep 17 00:00:00 2001
From: beroda <117822458+beroda@users.noreply.github.com>
Date: Thu, 30 Oct 2025 17:22:17 +0100
Subject: [PATCH 1/2] Add failing test

---
 tests/data/test_cli.py | 16 ++++++++++++++++
 tests/test_server.py   |  7 +++++++
 2 files changed, 23 insertions(+)
 create mode 100644 tests/data/test_cli.py

diff --git a/tests/data/test_cli.py b/tests/data/test_cli.py
new file mode 100644
index 0000000..cb71fd6
--- /dev/null
+++ b/tests/data/test_cli.py
@@ -0,0 +1,16 @@
+from argparse import ArgumentParser
+
+from trame.app import get_server
+
+
+def main():
+    parser = ArgumentParser()
+    parser.add_argument("--f", dest="foo")
+    parser.parse_known_args()
+
+    server = get_server("test_cli")
+    server.start(timeout=1, open_browser=False)
+
+
+if __name__ == "__main__":
+    main()
diff --git a/tests/test_server.py b/tests/test_server.py
index 18f13a1..24b583b 100644
--- a/tests/test_server.py
+++ b/tests/test_server.py
@@ -1,5 +1,7 @@
 import asyncio
 import os
+import subprocess
+import sys
 from pathlib import Path
 
 import pytest
@@ -125,6 +127,11 @@ def another_method():
         server.client_type = "vue3"
 
 
+def test_cli_args_collision(pytestconfig: pytest.Config):
+    cli = pytestconfig.rootpath / "tests/data/test_cli.py"
+    subprocess.run([sys.executable, str(cli), "--f", "foo"], check=True)
+
+
 def test_cli():
     server = get_server("test_cli")
     child_server = server.create_child_server(prefix="child_")

From a7a4fbef3c165039fac2dfdc4813eed6dbe87ea0 Mon Sep 17 00:00:00 2001
From: beroda <117822458+beroda@users.noreply.github.com>
Date: Thu, 30 Oct 2025 17:22:45 +0100
Subject: [PATCH 2/2] Fix CLI abbreviation

---
 trame_server/core.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/trame_server/core.py b/trame_server/core.py
index 5b043dc..74e9113 100644
--- a/trame_server/core.py
+++ b/trame_server/core.py
@@ -348,7 +348,10 @@ def cli(self):
         if self._cli_parser:
             return self._cli_parser
 
-        self._cli_parser = ArgumentParser(description="Kitware trame")
+        self._cli_parser = ArgumentParser(
+            description="Kitware trame",
+            allow_abbrev=False,
+        )
 
         # Trame specific args
         self._cli_parser.add_argument(