edge case fix and version bump

Author: lorenss-m

docs/docs.json

@@ -33,7 +33,7 @@
         "icon": "code",
         "versions": [
           {
-            "version": "0.5.5",
+            "version": "0.5.6",
             "groups": [
               {
                 "group": "Get Started",

hud/environment/environment.py

@@ -450,6 +450,10 @@ async def _execute_tool(self, name: str, arguments: dict[str, Any]) -> MCPToolRe
             logger.debug("Mock mode: returning mock result for tool %s", name)
             return self._get_mock_result(name, arguments)
 
+        # Rebuild routing if invalidated (e.g., after add_tool)
+        if not self._routing_built:
+            await self._build_routing()
+
         if self._router.is_local(name):
             # Call tool manager directly to avoid FastMCP context requirement
             result = await self._tool_manager.call_tool(name, arguments)

hud/utils/tests/test_version.py

@@ -5,4 +5,4 @@ def test_import():
     """Test that the package can be imported."""
     import hud
 
-    assert hud.__version__ == "0.5.5"
+    assert hud.__version__ == "0.5.6"

hud/version.py

@@ -4,4 +4,4 @@
 
 from __future__ import annotations
 
-__version__ = "0.5.5"
+__version__ = "0.5.6"

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "hud-python"
-version = "0.5.5"
+version = "0.5.6"
 description = "SDK for the HUD platform."
 readme = "README.md"
 requires-python = ">=3.11, <3.13"