Add SMART short test and status

system_checks.py

@@ -122,6 +122,20 @@ def disk_temperature(dev: str) -> str:
     return "n/a"
 
 
+def smart_last_test(dev: str) -> str:
+    out = _cmd(f"smartctl -l selftest {dev}")
+    if not out or "ERROR:" in out:
+        return "n/a"
+
+    for line in out.splitlines():
+        if "No self-tests have been logged" in line:
+            return "no tests"
+        if line.lstrip().startswith("#"):
+            return line.strip()
+
+    return "n/a"
+
+
 def disks() -> str:
     disks = list_disks()