update

src/main/config.ts

@@ -10,18 +10,24 @@ import { join } from 'node:path'
  *                         and FONT SIZE live here (as CSS vars), not in the JSON
  * Effective value = config.json over config.default.json, merged key by key.
  */
+export type DiffMode = 'original' | 'updated' | 'diff'
+
 export interface HelderConfig {
   ai: { command: string; autoLaunch: boolean }
   editor: { autoSave: boolean; tabSize: number }
-  git: { confirmDiscard: boolean }
+  git: { confirmDiscard: boolean; confirmStage: boolean; confirmUnstage: boolean; defaultDiffMode: DiffMode }
+  files: { exclude: string[]; followGitignore: boolean }
   terminal: { shell: string | null }
+  session: { restoreOnLaunch: boolean }
 }
 
 export const DEFAULTS: HelderConfig = {
   ai: { command: 'claude', autoLaunch: true },
   editor: { autoSave: false, tabSize: 4 },
-  git: { confirmDiscard: true },
+  git: { confirmDiscard: true, confirmStage: false, confirmUnstage: false, defaultDiffMode: 'diff' },
+  files: { exclude: [], followGitignore: true },
   terminal: { shell: null },
+  session: { restoreOnLaunch: true },
 }
 
 const THEME_TEMPLATE = `/* Helder theme — custom CSS applied OVER the built-in dark theme.