Add promptToCodeCodeFontSize key

Tool/Sources/Preferences/Keys.swift

@@ -294,6 +294,10 @@ public extension UserDefaultPreferenceKeys {
     var enableSenseScopeByDefaultInPromptToCode: PreferenceKey<Bool> {
         .init(defaultValue: false, key: "EnableSenseScopeByDefaultInPromptToCode")
     }
+
+    var promptToCodeCodeFontSize: PreferenceKey<Double> {
+        .init(defaultValue: 13, key: "PromptToCodeCodeFontSize")
+    }
 }
 
 // MARK: - Suggestion

Tool/Sources/Preferences/UserDefaults.swift

@@ -25,6 +25,10 @@ public extension UserDefaults {
             for: \.suggestionFeatureProvider,
             defaultValue: .builtIn(shared.deprecatedValue(for: \.oldSuggestionFeatureProvider))
         )
+        shared.setupDefaultValue(
+            for: \.promptToCodeCodeFontSize,
+            defaultValue: shared.value(for: \.suggestionCodeFontSize)
+        )
     }
 }