auto-git:

[change] index.html
 [change] main.js
 [change] preload.js
 [change] renderer.js
 [change] settings.html

renderer.js

@@ -7,6 +7,7 @@ window.addEventListener('DOMContentLoaded', async () => {
   const titleArrow  = document.getElementById('folderTitleArrow');
   const contentList = document.getElementById('contentList');
   const readmeBtn   = document.getElementById('readmeBtn');
+  const squashBtn   = document.getElementById('squashBtn');
   const initRepoBtn = document.getElementById('initRepoBtn');
   const pushBtn = document.getElementById('pushBtn');
   const panel       = document.querySelector('.flex-1.p-4.overflow-y-auto');
@@ -49,6 +50,35 @@ window.addEventListener('DOMContentLoaded', async () => {
     readmeBtn.textContent = hasReadme ? 'Update README' : 'Generate README';
   });
 
+  squashBtn.addEventListener('click', async () => {
+    const selected = await window.electronAPI.getSelected();
+    if (!selected || !selected.path) {
+      return alert('No folder selected to squash!');
+    }
+
+    squashBtn.disabled = true;
+    squashBtn.textContent = 'Squashing…';
+
+    try {
+      const result = await window.electronAPI.squashCommits(selected.path);
+      if (!result?.success) {
+        throw new Error(result?.error || 'Squash failed');
+      }
+
+      const summary = result.squashedChunks
+        ? `Squashed ${result.removedCommits} commit(s) across ${result.squashedChunks} chunk(s).`
+        : (result.message || 'No quick-succession commit chunks found.');
+
+      const warning = result.warning ? `\n\nWarning:\n${result.warning}` : '';
+      alert(summary + warning);
+    } catch (err) {
+      alert('Squash failed:\n' + (err.message || err));
+    } finally {
+      squashBtn.disabled = false;
+      squashBtn.textContent = 'Squash';
+    }
+  });
+
   pushBtn.addEventListener('click', async () => {
     const selected = await window.electronAPI.getSelected();
     if (!selected || !selected.path) {
@@ -509,7 +539,9 @@ window.addEventListener('DOMContentLoaded', async () => {
     initRepoBtn.classList.toggle('hidden', isGit);
     initRepoBtn.disabled = isGit;
     readmeBtn.disabled = !isGit;
+    squashBtn.disabled = !isGit;
     pushBtn.disabled = !isGit;
+    squashBtn.classList.toggle('hidden', !isGit);
     pushBtn.classList.toggle('hidden', !isGit);
     if (!isGit) {
       contentList.innerHTML = '<div class="p-6 text-gray-500">Not a Git repository. Click "Init Repo" to initialize.</div>';