Simplify settings UI and fix personal dictionary page styling

- Remove polish intensity and personal dictionary description subtitles
- Use consistent surface background on personal dictionary page
- Change empty state icon to library (menuBook) style
- Remove polish scenario and translation rows from onboarding

Co-authored-by: Rocky <hkgood@users.noreply.github.com>

OSGKeyboard/Views/OnboardingView.swift

@@ -757,35 +757,8 @@ private struct APISetupPage: View {
                     .padding(.horizontal, Spacing.lg)
                 }
 
-                if config.isPolishScenarioRowVisible {
-                    postProcessingSection
-                        .padding(.horizontal, Spacing.lg)
-                }
             }
             .padding(.bottom, Spacing.xxxl)
         }
     }
-
-    /// Polish scenario + optional translation target for cloud onboarding.
-    private var postProcessingSection: some View {
-        VStack(alignment: .leading, spacing: SettingsListMetrics.sectionLabelSpacing) {
-            Text("settings.polishScenario.section")
-                .font(TypeStyle.caption2)
-                .foregroundStyle(palette.textSecondary)
-                .textCase(.uppercase)
-                .frame(maxWidth: .infinity, alignment: .leading)
-            VStack(spacing: 0) {
-                ScenarioPickerRow(config: config, isVisible: true)
-                if config.isTranslationRowVisible {
-                    Divider().background(palette.divider)
-                    TranslationPickerRow(config: config, isVisible: true)
-                }
-            }
-            .background(palette.surface, in: RoundedRectangle(cornerRadius: Radius.large, style: .continuous))
-            .overlay(
-                RoundedRectangle(cornerRadius: Radius.large, style: .continuous)
-                    .stroke(palette.divider, lineWidth: 0.5)
-            )
-        }
-    }
 }

OSGKeyboard/Views/PersonalDictionaryView.swift

@@ -40,7 +40,8 @@ struct PersonalDictionaryView: View {
                 list
             }
         }
-        .background(palette.background.ignoresSafeArea())
+        .frame(maxWidth: .infinity, maxHeight: .infinity)
+        .background(palette.surface.ignoresSafeArea())
         .navigationTitle("settings.personalDictionary.title")
         .navigationBarTitleDisplayMode(.inline)
         .toolbar(.visible, for: .navigationBar)
@@ -56,7 +57,7 @@ struct PersonalDictionaryView: View {
                 }
             }
         }
-        .toolbarBackground(palette.background, for: .navigationBar)
+        .toolbarBackground(palette.surface, for: .navigationBar)
         .toolbarBackground(.visible, for: .navigationBar)
         .confirmationDialog(
             AppL10n.string("settings.personalDictionary.clearAll.confirmTitle"),
@@ -180,7 +181,7 @@ struct PersonalDictionaryView: View {
     private var emptyState: some View {
         VStack(spacing: Spacing.sm) {
             Spacer()
-            MaterialIcon(name: .bookmark, size: 36)
+            MaterialIcon(name: .menuBook, size: 36)
                 .foregroundStyle(palette.textTertiary.opacity(0.5))
             Text("settings.personalDictionary.empty.title")
                 .font(TypeStyle.body)

OSGKeyboard/Views/SettingsView.swift

@@ -304,34 +304,12 @@ struct SettingsView: View {
             }
             .pickerStyle(.segmented)
             .padding(.horizontal, Spacing.md)
-
-            Text(SharedL10n.string(config.polishIntensity.descriptionKey, language: config.uiLanguage))
-                .font(TypeStyle.caption2)
-                .foregroundStyle(palette.textSecondary)
-                .frame(maxWidth: .infinity, alignment: .leading)
-                .padding(.horizontal, Spacing.md)
             .padding(.bottom, Spacing.sm)
         }
     }
 
     private var personalDictionaryPreferenceRow: some View {
-        HStack(spacing: Spacing.sm) {
-            VStack(alignment: .leading, spacing: 2) {
-                Text("settings.personalDictionary.title")
-                    .font(TypeStyle.body)
-                    .foregroundStyle(palette.textPrimary)
-                Text("settings.personalDictionary.summary")
-                    .font(TypeStyle.caption2)
-                    .foregroundStyle(palette.textSecondary)
-            }
-            Spacer()
-            Image(systemName: "chevron.right")
-                .font(.system(size: 14, weight: .semibold))
-                .foregroundStyle(palette.textTertiary)
-        }
-        .padding(.horizontal, Spacing.md)
-        .frame(minHeight: SettingsListMetrics.doubleLineMinHeight)
-        .contentShape(Rectangle())
+        footerNavigationRow(title: "settings.personalDictionary.title")
     }
 
     // MARK: - Footer links (tab settings only)