feat(mcp): scaffold three project context tools

tests/conftest.py

@@ -0,0 +1,10 @@
+"""Make the repository package importable when pytest runs from the repo root."""
+
+from __future__ import annotations
+
+import sys
+from pathlib import Path
+
+REPOSITORY_PARENT = Path(__file__).resolve().parents[2]
+if str(REPOSITORY_PARENT) not in sys.path:
+    sys.path.insert(0, str(REPOSITORY_PARENT))