build: remove old drafts

.github/workflows/main.yaml

@@ -93,3 +93,42 @@ jobs:
           generate_release_notes: true
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Delete draft releases older than 7 days
+        uses: actions/github-script@v7
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            const daysToKeep = 7;
+            const cutoffDate = new Date(Date.now() - daysToKeep * 24 * 60 * 60 * 1000);
+            
+            const releases = await github.rest.repos.listReleases({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              per_page: 100
+            });
+            
+            for (const release of releases.data) {
+              if (release.draft) {
+                const created = new Date(release.created_at);
+                if (created < cutoffDate) {
+                  console.log(`Deleting draft release: ${release.name || release.tag_name} (${release.id})`);
+                  await github.rest.repos.deleteRelease({
+                    owner: context.repo.owner,
+                    repo: context.repo.repo,
+                    release_id: release.id
+                  });
+            
+                  try {
+                    await github.rest.git.deleteRef({
+                      owner: context.repo.owner,
+                      repo: context.repo.repo,
+                      ref: `tags/${release.tag_name}`
+                    });
+                    console.log(`Deleted tag: ${release.tag_name}`);
+                  } catch (err) {
+                    console.log(`Tag ${release.tag_name} not found or already deleted.`);
+                  }
+                }
+              }
+            }