refactor: derive package version from metadata

assemblymcp/__init__.py

@@ -1,3 +1,17 @@
 """AssemblyMCP - MCP Server for Korean National Assembly Open API"""
 
-__version__ = "0.1.0"
+import warnings
+from importlib.metadata import PackageNotFoundError, version
+
+
+def _load_package_version() -> str:
+    try:
+        # Local dev environments can retain stale dist-info after editable reinstalls.
+        with warnings.catch_warnings():
+            warnings.simplefilter("ignore", DeprecationWarning)
+            return version("assemblymcp")
+    except PackageNotFoundError:
+        return "0.0.0"
+
+
+__version__ = _load_package_version()

tests/test_version_metadata.py

@@ -0,0 +1,6 @@
+import assemblymcp
+
+
+def test_package_version_matches_metadata():
+    assert assemblymcp.__version__ == assemblymcp._load_package_version()
+    assert assemblymcp.__version__ != "0.0.0"