feat: add AutoGit idle and inactive checkpoints

src/utils/automaticCommitMessage.ts

@@ -0,0 +1,17 @@
+import type { ModifiedFile } from '../types'
+
+function pluralize(count: number, singular: string, plural: string): string {
+  return count === 1 ? singular : plural
+}
+
+function allFilesAreNotes(files: ModifiedFile[]): boolean {
+  return files.every((file) => file.relativePath.toLowerCase().endsWith('.md'))
+}
+
+export function generateAutomaticCommitMessage(files: ModifiedFile[]): string {
+  if (files.length === 0) return ''
+  const noun = allFilesAreNotes(files)
+    ? pluralize(files.length, 'note', 'notes')
+    : pluralize(files.length, 'file', 'files')
+  return `Updated ${files.length} ${noun}`
+}