fix: build errors

Author: kevinjosethomas

src/pages/_app.tsx

@@ -32,7 +32,7 @@ function MaiaPlatform({ Component, pageProps }: AppProps) {
   const isAnalysisPage = router.pathname.startsWith('/analysis')
 
   useEffect(() => {
-    posthog.init(process.env.NEXT_PUBLIC_POSTHOG_KEY!, {
+    posthog.init(process.env.NEXT_PUBLIC_POSTHOG_KEY as string, {
       api_host: '/ingest',
       ui_host: 'https://us.posthog.com',
       defaults: '2025-05-24',

src/pages/train.tsx

@@ -787,7 +787,15 @@ const Train: React.FC<Props> = ({
                         boardDescription={
                           showAnalysis
                             ? analysisController.boardDescription
-                            : 'This position offers multiple strategic options. Consider central control and piece development.'
+                            : {
+                                segments: [
+                                  {
+                                    type: 'text',
+                                    content:
+                                      'This position offers multiple strategic options. Consider central control and piece development.',
+                                  },
+                                ],
+                              }
                         }
                       />
                       {!showAnalysis && (
@@ -861,7 +869,15 @@ const Train: React.FC<Props> = ({
                     boardDescription={
                       showAnalysis
                         ? analysisController.boardDescription
-                        : 'This position offers multiple strategic options. Consider central control and piece development.'
+                        : {
+                            segments: [
+                              {
+                                type: 'text',
+                                content:
+                                  'This position offers multiple strategic options. Consider central control and piece development.',
+                              },
+                            ],
+                          }
                     }
                   />
                 </div>
@@ -1187,7 +1203,15 @@ const Train: React.FC<Props> = ({
                   boardDescription={
                     showAnalysis
                       ? analysisController.boardDescription
-                      : 'This position offers multiple strategic options. Consider central control and piece development.'
+                      : {
+                          segments: [
+                            {
+                              type: 'text',
+                              content:
+                                'This position offers multiple strategic options. Consider central control and piece development.',
+                            },
+                          ],
+                        }
                   }
                 />
                 {!showAnalysis && (

src/utils/posthog.ts

@@ -2,10 +2,13 @@ import { PostHog } from 'posthog-node'
 
 // NOTE: This is a Node.js client for sending events from the server side to PostHog.
 export default function PostHogClient(): PostHog {
-  const posthogClient = new PostHog(process.env.NEXT_PUBLIC_POSTHOG_KEY!, {
-    host: process.env.NEXT_PUBLIC_POSTHOG_HOST,
-    flushAt: 1,
-    flushInterval: 0,
-  })
+  const posthogClient = new PostHog(
+    process.env.NEXT_PUBLIC_POSTHOG_KEY as string,
+    {
+      host: process.env.NEXT_PUBLIC_POSTHOG_HOST,
+      flushAt: 1,
+      flushInterval: 0,
+    },
+  )
   return posthogClient
 }