webui fix external message demo
diff --git a/webui/src/web-components/demo/sketch-external-message.demo.ts b/webui/src/web-components/demo/sketch-external-message.demo.ts
index cdaa86d..4abf8fe 100644
--- a/webui/src/web-components/demo/sketch-external-message.demo.ts
+++ b/webui/src/web-components/demo/sketch-external-message.demo.ts
@@ -28,7 +28,7 @@
             status: "completed",
             conclusion: "success",
             head_branch: "user/sketch/slug-name",
-            head_commit: "abc123",
+            head_sha: "abc123deadbeef1234567890abcdef",
             html_url: "https://github.com/orgs/your-org/actions/runs/123456789",
           },
         },
@@ -45,7 +45,7 @@
             status: "completed",
             conclusion: "failure",
             head_branch: "user/sketch/slug-name",
-            head_commit: "abc123",
+            head_sha: "abc123deadbeef1234567890abcdef",
             html_url: "https://github.com/orgs/your-org/actions/runs/123456789",
           },
         },
@@ -61,7 +61,7 @@
             id: 123456789,
             status: "queued",
             head_branch: "user/sketch/slug-name",
-            head_commit: "abc123",
+            head_sha: "abc123deadbeef1234567890abcdef",
             html_url: "https://github.com/orgs/your-org/actions/runs/123456789",
           },
         },
@@ -77,7 +77,7 @@
             id: 123456789,
             status: "in_progress",
             head_branch: "user/sketch/slug-name",
-            head_commit: "abc123",
+            head_sha: "abc123deadbeef1234567890abcdef",
             html_url: "https://github.com/orgs/your-org/actions/runs/123456789",
           },
         },