docs: remove Demo: Issue triage bot page (#153)

Video-only walkthrough; setup covered by GitHub Actions quickstart + reference.
Remove sidebar entry; redirect dead route to quickstart-github-actions.

Co-authored-by: Oz <oz-agent@warp.dev>
Co-authored-by: Rachael Rose Renk <91027132+rachaelrenk@users.noreply.github.com>
Co-authored-by: Hong Yi Chen <hongyi@warp.dev>

Author: 4 people

src/content/docs/agent-platform/cloud-agents/integrations/demo-issue-triage-bot.mdx

@@ -355,7 +355,6 @@ export const sidebarTopics: StarlightSidebarTopicsUserConfig = [
 								'agent-platform/cloud-agents/integrations/bitbucket',
 								'agent-platform/cloud-agents/integrations/gitlab',
 								{ slug: 'agent-platform/cloud-agents/integrations/cloud-providers', label: 'AWS, GCP, and other cloud providers' },
-								{ slug: 'agent-platform/cloud-agents/integrations/demo-issue-triage-bot', label: 'Demo: Issue triage bot' },
 							],
 						},
 						'agent-platform/cloud-agents/environments',

src/sidebar.ts

@@ -1140,7 +1140,12 @@
     },
     {
       "source": "/agent-platform/integrations/github-actions/demo-issue-triage-bot",
-      "destination": "/agent-platform/cloud-agents/integrations/demo-issue-triage-bot/",
+      "destination": "/agent-platform/cloud-agents/integrations/quickstart-github-actions/",
+      "statusCode": 308
+    },
+    {
+      "source": "/agent-platform/cloud-agents/integrations/demo-issue-triage-bot",
+      "destination": "/agent-platform/cloud-agents/integrations/quickstart-github-actions/",
       "statusCode": 308
     },
     {
@@ -5420,7 +5425,12 @@
     },
     {
       "source": "/agent-platform/integrations/github-actions/demo-issue-triage-bot/",
-      "destination": "/agent-platform/cloud-agents/integrations/demo-issue-triage-bot/",
+      "destination": "/agent-platform/cloud-agents/integrations/quickstart-github-actions/",
+      "statusCode": 308
+    },
+    {
+      "source": "/agent-platform/cloud-agents/integrations/demo-issue-triage-bot/",
+      "destination": "/agent-platform/cloud-agents/integrations/quickstart-github-actions/",
       "statusCode": 308
     },
     {