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/stores/useUIStore.ts

@@ -51,6 +51,7 @@ interface UIStore {
 
   toolCallExpansion: 'collapsed' | 'activity' | 'detailed';
   fontSize: number;
+  terminalFontSize: number;
   padding: number;
   cornerRadius: number;
   inputBarOffset: number;
@@ -104,6 +105,7 @@ interface UIStore {
   setMemoryLimitActiveSession: (value: number) => void;
   setToolCallExpansion: (value: 'collapsed' | 'activity' | 'detailed') => void;
   setFontSize: (size: number) => void;
+  setTerminalFontSize: (size: number) => void;
   setPadding: (size: number) => void;
   setCornerRadius: (radius: number) => void;
   setInputBarOffset: (offset: number) => void;
@@ -168,6 +170,7 @@ export const useUIStore = create<UIStore>()(
         memoryLimitActiveSession: 180,
         toolCallExpansion: 'collapsed',
         fontSize: 100,
+        terminalFontSize: 13,
         padding: 100,
         cornerRadius: 12,
         inputBarOffset: 0,
@@ -403,6 +406,12 @@ export const useUIStore = create<UIStore>()(
           get().applyTypography();
         },
 
+        setTerminalFontSize: (size) => {
+          const rounded = Math.round(size);
+          const clamped = Math.max(9, Math.min(52, rounded));
+          set({ terminalFontSize: clamped });
+        },
+
         setPadding: (size) => {
           // Clamp between 50% and 200%
           const clampedSize = Math.max(50, Math.min(200, size));
@@ -680,6 +689,7 @@ export const useUIStore = create<UIStore>()(
           memoryLimitActiveSession: state.memoryLimitActiveSession,
           toolCallExpansion: state.toolCallExpansion,
           fontSize: state.fontSize,
+          terminalFontSize: state.terminalFontSize,
           padding: state.padding,
           cornerRadius: state.cornerRadius,
           favoriteModels: state.favoriteModels,