Technician tool v0.8

Imported from the Google Drive folder 004-technician_tool/v0.8.

tests/test_sd.py

@@ -170,3 +170,14 @@ def test_elevated_result_folder_is_not_owner_only(tmp_path, monkeypatch):
     assert work.parent == tmp_path / "tmp" and work.is_dir()
     (work / "result.json").write_text('{"ok": true}', encoding="utf-8")
     assert (work / "result.json").read_text(encoding="utf-8")
+
+
+@pytest.mark.parametrize("fs", ["FAT32", "DOS_FAT_32", "Windows_FAT_32", "MS-DOS FAT32"])
+def test_fat32_names_from_windows_and_macos_are_accepted(tmp_path, fs):
+    (tmp_path / "ENV.TXT").write_bytes(b"INFLUX_URL=https://x\nINFLUX_TOKEN=abc\n")
+    assert not any("File system" in p for p in check_card(str(tmp_path), fs).problems)
+
+
+def test_exfat_is_flagged(tmp_path):
+    (tmp_path / "ENV.TXT").write_bytes(b"INFLUX_URL=https://x\nINFLUX_TOKEN=abc\n")
+    assert any("File system" in p for p in check_card(str(tmp_path), "ExFAT").problems)