feat(settings): add terminal font size controls (#294)

* feat(settings): add terminal font size configuration

* chore(desktop): drop terminal font size setting

packages/ui/src/lib/api/types.ts

@@ -403,6 +403,7 @@ export interface SettingsPayload {
   gitmojiEnabled?: boolean;
   toolCallExpansion?: 'collapsed' | 'activity' | 'detailed';
   fontSize?: number;
+  terminalFontSize?: number;
   padding?: number;
   cornerRadius?: number;
   inputBarOffset?: number;

packages/ui/src/lib/appearanceAutoSave.ts

@@ -12,6 +12,7 @@ type AppearanceSlice = {
   autoDeleteAfterDays: number;
   toolCallExpansion: 'collapsed' | 'activity' | 'detailed';
   fontSize: number;
+  terminalFontSize: number;
   padding: number;
   cornerRadius: number;
   inputBarOffset: number;
@@ -38,6 +39,7 @@ export const startAppearanceAutoSave = (): void => {
     autoDeleteAfterDays: useUIStore.getState().autoDeleteAfterDays,
     toolCallExpansion: useUIStore.getState().toolCallExpansion,
     fontSize: useUIStore.getState().fontSize,
+    terminalFontSize: useUIStore.getState().terminalFontSize,
     padding: useUIStore.getState().padding,
     cornerRadius: useUIStore.getState().cornerRadius,
     inputBarOffset: useUIStore.getState().inputBarOffset,
@@ -76,6 +78,7 @@ export const startAppearanceAutoSave = (): void => {
       autoDeleteAfterDays: state.autoDeleteAfterDays,
       toolCallExpansion: state.toolCallExpansion,
       fontSize: state.fontSize,
+      terminalFontSize: state.terminalFontSize,
       padding: state.padding,
       cornerRadius: state.cornerRadius,
       inputBarOffset: state.inputBarOffset,
@@ -112,6 +115,9 @@ export const startAppearanceAutoSave = (): void => {
     if (current.fontSize !== previous.fontSize) {
       diff.fontSize = current.fontSize;
     }
+    if (current.terminalFontSize !== previous.terminalFontSize) {
+      diff.terminalFontSize = current.terminalFontSize;
+    }
     if (current.padding !== previous.padding) {
       diff.padding = current.padding;
     }

packages/ui/src/lib/desktop.ts

@@ -70,6 +70,7 @@ export type DesktopSettings = {
   gitmojiEnabled?: boolean;
   toolCallExpansion?: 'collapsed' | 'activity' | 'detailed';
   fontSize?: number;
+  terminalFontSize?: number;
   padding?: number;
   cornerRadius?: number;
   inputBarOffset?: number;

packages/ui/src/lib/persistence.ts

@@ -228,6 +228,9 @@ const applyDesktopUiPreferences = (settings: DesktopSettings) => {
   if (typeof settings.fontSize === 'number' && Number.isFinite(settings.fontSize) && settings.fontSize !== store.fontSize) {
     store.setFontSize(settings.fontSize);
   }
+  if (typeof settings.terminalFontSize === 'number' && Number.isFinite(settings.terminalFontSize) && settings.terminalFontSize !== store.terminalFontSize) {
+    store.setTerminalFontSize(settings.terminalFontSize);
+  }
   if (typeof settings.padding === 'number' && Number.isFinite(settings.padding) && settings.padding !== store.padding) {
     store.setPadding(settings.padding);
   }
@@ -376,6 +379,9 @@ const sanitizeWebSettings = (payload: unknown): DesktopSettings | null => {
   if (typeof candidate.fontSize === 'number' && Number.isFinite(candidate.fontSize)) {
     result.fontSize = candidate.fontSize;
   }
+  if (typeof candidate.terminalFontSize === 'number' && Number.isFinite(candidate.terminalFontSize)) {
+    result.terminalFontSize = candidate.terminalFontSize;
+  }
   if (typeof candidate.padding === 'number' && Number.isFinite(candidate.padding)) {
     result.padding = candidate.padding;
   }