fix: move xlrd to base dependencies for adhoc_pr support

xlrd is tiny (~100KB) and needed for legacy XLS files. No reason to
keep it optional. Pandas remains in [ircc] extras. Skip pandas tests
when pandas not installed.

Author: mariomeyer

pyproject.toml

@@ -31,6 +31,7 @@ dependencies = [
     "InquirerPy>=0.3.4",
     "aiosqlite>=0.22.0",
     "openpyxl>=3.1.5",
+    "xlrd>=2.0.2",
 ]
 
 [project.urls]
@@ -43,7 +44,6 @@ mcp-canada = "mcp_canada.server:main"
 [project.optional-dependencies]
 ircc = [
     "pandas>=3.0.2",
-    "xlrd>=2.0.2",
 ]
 
 [dependency-groups]

src/mcp_canada/shared/__tests__/test_parsers.py

@@ -125,6 +125,14 @@ def test_none_returns_none(self) -> None:
 # ---------------------------------------------------------------------------
 
 
+_has_pandas = True
+try:
+    import pandas  # noqa: F401
+except ImportError:
+    _has_pandas = False
+
+
+@pytest.mark.skipif(not _has_pandas, reason="pandas not installed")
 class TestParseXlsxPandasPath:
     def test_uses_pandas_when_importable(self) -> None:
         """_parse_xlsx() calls pandas.read_excel when pandas is available."""