Add summary-only template style for compact PR summaries

New template-style: summary-only outputs just the summary line (file count + change categories) without file lists or categorization. Useful for teams that want a quick overview without clutter.

Author: Auto-Co AI

README.md

@@ -77,6 +77,15 @@ Categorizes files into Source Code, Configuration, Tests, Documentation, and Ass
 
 Everything in Standard, plus a diff preview showing the first 3000 characters of the diff — useful for reviewers who want context without switching tabs.
 
+### Summary Only
+
+Just the summary line — file count and change categories. No file list, no categorization. Best for teams that want a quick overview without clutter.
+
+```
+## Summary
+3 files changed — 1 feature, 1 test update, 1 config change
+```
+
 ### Minimal
 
 A clean, simple file list with summary. No categorization, no diff preview. Best for small PRs or teams that prefer brevity.
@@ -147,7 +156,7 @@ Add your OpenAI API key as a repository secret and enable AI mode:
 | `openai-model` | No | `gpt-4o-mini` | OpenAI model name |
 | `mode` | No | `template` | `template` or `ai` |
 | `update-title` | No | `false` | Update PR title too |
-| `template-style` | No | `standard` | `standard`, `detailed`, or `minimal` |
+| `template-style` | No | `standard` | `standard`, `detailed`, `minimal`, or `summary-only` |
 | `custom-template` | No | — | Inline custom markdown template with `{{summary}}`, `{{files}}`, `{{changes}}`, `{{file_count}}` placeholders |
 | `custom-template-file` | No | — | Path to a file in the repo containing a custom markdown template |
 | `generate-changelog` | No | `false` | When `true`, generates changelog entries from merged PRs |

action.yml

@@ -425,6 +425,17 @@ $(cat /tmp/pr_files.txt 2>/dev/null || echo "None")
 
 ---
 
+###### 🤖 Generated by [DocuCraft](https://github.com/${{ github.repository }})
+DESC_EOF
+)
+        elif [ "$STYLE" = "summary-only" ]; then
+          DESCRIPTION=$(cat <<DESC_EOF
+## Summary
+
+$SUMMARY
+
+---
+
 ###### 🤖 Generated by [DocuCraft](https://github.com/${{ github.repository }})
 DESC_EOF
 )