Implement standalone help command

src/mudlib/commands/help.py

@@ -274,3 +274,31 @@ register(
         help="list combat skills",
     )
 )
+
+
+async def cmd_help(player: Player, args: str) -> None:
+    """Show help for a command or skill.
+
+    Args:
+        player: The player executing the command
+        args: Command name to get help for
+    """
+    args = args.strip()
+    if not args:
+        await player.send(
+            "type help <command> for details. see also: commands, skills\r\n"
+        )
+        return
+    await _show_command_detail(player, args)
+
+
+# Register the help command
+register(
+    CommandDefinition(
+        "help",
+        cmd_help,
+        aliases=[],
+        mode="*",
+        help="show help for a command",
+    )
+)

tests/test_help_command.py

@@ -1,8 +1,9 @@
 """Tests for the standalone help command."""
 
-import pytest
 from unittest.mock import AsyncMock, MagicMock
 
+import pytest
+
 from mudlib import commands
 
 # Import command modules to register their commands
@@ -30,9 +31,7 @@ def mock_reader():
 def player(mock_reader, mock_writer):
     from mudlib.player import Player
 
-    return Player(
-        name="TestPlayer", x=5, y=5, reader=mock_reader, writer=mock_writer
-    )
+    return Player(name="TestPlayer", x=5, y=5, reader=mock_reader, writer=mock_writer)
 
 
 @pytest.mark.asyncio
@@ -73,7 +72,7 @@ async def test_help_unknown_command_shows_error(player):
     await commands.dispatch(player, "help nonexistent")
     output = "".join([call[0][0] for call in player.writer.write.call_args_list])
     assert "nonexistent" in output.lower()
-    assert ("unknown" in output.lower() or "not found" in output.lower())
+    assert "unknown" in output.lower() or "not found" in output.lower()
 
 
 @pytest.mark.asyncio
@@ -82,4 +81,4 @@ async def test_help_and_commands_both_exist():
     assert "help" in commands._registry
     assert "commands" in commands._registry
     # They should be different functions
-    assert commands._registry["help"].func != commands._registry["commands"].func
+    assert commands._registry["help"].handler != commands._registry["commands"].handler