Reach 100% combined coverage with targeted unit tests.

Add fast unit tests for lazy-import helpers and injected-client connect paths that integration tests miss, and raise the coverage floor to 100%.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/unit/adapters_test.py

@@ -117,3 +117,24 @@ def test_adapters_subpackage_lazy_import_succeeds() -> None:
     from python_repositories.adapters import RedisAdapter
 
     assert RedisAdapter.__name__ == "RedisAdapter"
+
+
+def test_adapters_dir_exposes_lazy_exports() -> None:
+    """dir(adapters) includes lazy adapter names for tab completion."""
+    import python_repositories.adapters as adapters
+
+    assert {"RedisAdapter", "MinioAdapter"}.issubset(set(dir(adapters)))
+
+
+def test_adapters_getattr_raises_for_unknown() -> None:
+    """Unknown adapter names raise AttributeError."""
+    import python_repositories.adapters as adapters
+
+    with pytest.raises(AttributeError, match="has no attribute 'NoSuchAdapter'"):
+        _ = adapters.NoSuchAdapter
+
+
+def test_top_level_dir_exposes_lazy_exports() -> None:
+    """dir(python_repositories) includes lazy adapter names for tab completion."""
+    assert "RedisAdapter" in dir(python_repositories)
+    assert "MinioAdapter" in dir(python_repositories)