fixes

api/github.js

@@ -5,21 +5,37 @@ const { formatMessage } = require('./formatters')
  * @param {Object} payload - GitHub webhook payload
  * @returns {Object} - Normalized webhook data
  */
-const normalizeGithubPayload = (payload) => ({
-    repository: {
-        full_name: payload.repository.full_name,
-        html_url: payload.repository.html_url
-    },
-    ref: payload.ref,
-    commits: payload.commits.map(commit => ({
-        id: commit.id,
-        message: commit.message,
-        stats: {
-            additions: commit.stats?.additions || 0,
-            deletions: commit.stats?.deletions || 0
+const normalizeGithubPayload = (payload) => {
+    // Early return if no commits
+    if (!Array.isArray(payload.commits)) {
+        return {
+            repository: {
+                full_name: payload.repository.full_name,
+                html_url: payload.repository.html_url,
+                id: payload.repository.id
+            },
+            ref: payload.ref,
+            commits: []
         }
-    }))
-})
+    }
+
+    return {
+        repository: {
+            full_name: payload.repository.full_name,
+            html_url: payload.repository.html_url,
+            id: payload.repository.id
+        },
+        ref: payload.ref,
+        commits: payload.commits.map(commit => ({
+            id: commit.id,
+            message: commit.message,
+            stats: {
+                additions: commit.stats?.additions || 0,
+                deletions: commit.stats?.deletions || 0
+            }
+        }))
+    }
+}
 
 /**
  * Handle GitHub webhook