Moved test database teardown into defer blocks and unified the one-decimal formatting in the Website service.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Services/Website/Sources/Library/Internal/Extensions/Listing+Display.swift

@@ -18,7 +18,7 @@ extension Listing {
         }
 
         return (
-            "\(grader) \(grade.gradeLabel)",
+            "\(grader) \(grade.oneDecimal)",
             grade >= 9 ? .good : grade < 7 ? .warn : .neutral,
             true
         )
@@ -72,7 +72,7 @@ extension Shop {
 
     /// The shop's standing in a line: where it is, since when, and how it is rated.
     var standing: String {
-        "\(location) · selling on CCN since \(sinceYear) · \(rating.formatted(.number.precision(.fractionLength(1)).locale(.init(identifier: "en")))) from \(ratedSales) rated sales"
+        "\(location) · selling on CCN since \(sinceYear) · \(rating.oneDecimal) from \(ratedSales) rated sales"
     }
 
 }
@@ -81,8 +81,8 @@ extension Double {
 
     // MARK: Computed
 
-    /// The grade to one decimal place, e.g. `9.8`.
-    var gradeLabel: String {
+    /// The number to one decimal place, e.g. `9.8`.
+    var oneDecimal: String {
         formatted(.number.precision(.fractionLength(1)).locale(.init(identifier: "en")))
     }