feat(web): add web control client

tests/test_replay_server.py

@@ -2,7 +2,7 @@ from __future__ import annotations
 
 import unittest
 
-from texas_holdem_replay.server import build_game_url
+from texas_holdem_replay.server import build_core_url, build_game_url
 
 
 class ReplayServerTests(unittest.TestCase):
@@ -22,7 +22,12 @@ class ReplayServerTests(unittest.TestCase):
         with self.assertRaises(ValueError):
             build_game_url({"url": ["file:///tmp/game.json"]})
 
+    def test_build_core_url_preserves_base_path(self) -> None:
+        self.assertEqual(
+            build_core_url("http://127.0.0.1:8000/api/", "/games/demo/hands/run"),
+            "http://127.0.0.1:8000/api/games/demo/hands/run",
+        )
+
 
 if __name__ == "__main__":
     unittest.main()
-