Copilot/setup sentry nextjs (#58)

* Revise portfolio: warm brown theme, elegant typography, optimized analytics tracking (#55)

* Initial plan

* Update color theme to warm brown and off-white, add elegant fonts, fix analytics tracking

Co-authored-by: denshooter <44590296+denshooter@users.noreply.github.com>

* Fix 404 page integration with warm theme, update admin console colors, fix font loading

Co-authored-by: denshooter <44590296+denshooter@users.noreply.github.com>

* Address code review feedback: fix navigation, add utils, improve tracking

Co-authored-by: denshooter <44590296+denshooter@users.noreply.github.com>

* Fix accessibility and memory leak issues from code review

Co-authored-by: denshooter <44590296+denshooter@users.noreply.github.com>

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: denshooter <44590296+denshooter@users.noreply.github.com>

* chore: Code cleanup, add Sentry.io monitoring, and documentation (#56)

* Initial plan

* Remove unused code and clean up console statements

Co-authored-by: denshooter <44590296+denshooter@users.noreply.github.com>

* Remove unused components and fix type issues

Co-authored-by: denshooter <44590296+denshooter@users.noreply.github.com>

* Wrap console.warn in development check

Co-authored-by: denshooter <44590296+denshooter@users.noreply.github.com>

* Integrate Sentry.io monitoring and add text editing documentation

Co-authored-by: denshooter <44590296+denshooter@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: denshooter <44590296+denshooter@users.noreply.github.com>

* Initial plan

* feat: Add Sentry configuration files and example pages

- Add sentry.server.config.ts and sentry.edge.config.ts
- Update instrumentation.ts with onRequestError export
- Update instrumentation-client.ts with onRouterTransitionStart export
- Update global-error.tsx to capture exceptions with Sentry
- Create Sentry example page at app/sentry-example-page/page.tsx
- Create Sentry example API route at app/api/sentry-example-api/route.ts

Co-authored-by: denshooter <44590296+denshooter@users.noreply.github.com>

* feat: Update middleware to allow Sentry example page and fix deprecated API

- Update middleware to exclude /sentry-example-page from locale routing
- Remove deprecated startTransaction API from Sentry example page
- Use consistent DSN configuration with fallback values

Co-authored-by: denshooter <44590296+denshooter@users.noreply.github.com>

* refactor: Improve Sentry configuration with environment-based sampling

- Add comments explaining DSN fallback values
- Use environment-based tracesSampleRate (10% in production, 100% in dev)
- Address code review feedback for production-safe configuration

Co-authored-by: denshooter <44590296+denshooter@users.noreply.github.com>

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Co-authored-by: Copilot <198982749+Copilot@users.noreply.github.com>

app/api/n8n/chat/route.ts

@@ -44,10 +44,12 @@ export async function POST(request: NextRequest) {
     // Ensure URL doesn't have trailing slash before adding /webhook/chat
     const baseUrl = n8nWebhookUrl.replace(/\/$/, '');
     const webhookUrl = `${baseUrl}/webhook/chat`;
-    console.log(`Sending to n8n: ${webhookUrl}`, {
-      hasSecretToken: !!process.env.N8N_SECRET_TOKEN,
-      hasApiKey: !!process.env.N8N_API_KEY,
-    });
+    if (process.env.NODE_ENV === 'development') {
+      console.log(`Sending to n8n: ${webhookUrl}`, {
+        hasSecretToken: !!process.env.N8N_SECRET_TOKEN,
+        hasApiKey: !!process.env.N8N_API_KEY,
+      });
+    }
 
     // Add timeout to prevent hanging requests
     const controller = new AbortController();
@@ -76,20 +78,24 @@ export async function POST(request: NextRequest) {
 
       if (!response.ok) {
         const errorText = await response.text().catch(() => 'Unknown error');
-        console.error(`n8n webhook failed with status: ${response.status}`, {
-          status: response.status,
-          statusText: response.statusText,
-          error: errorText,
-          webhookUrl: webhookUrl.replace(/\/\/[^:]+:[^@]+@/, '//***:***@'), // Hide credentials in logs
-        });
+        if (process.env.NODE_ENV === 'development') {
+          console.error(`n8n webhook failed with status: ${response.status}`, {
+            status: response.status,
+            statusText: response.statusText,
+            error: errorText,
+            webhookUrl: webhookUrl.replace(/\/\/[^:]+:[^@]+@/, '//***:***@'), // Hide credentials in logs
+          });
+        }
         throw new Error(`n8n webhook failed: ${response.status} - ${errorText.substring(0, 200)}`);
       }
 
       const data = await response.json();
 
-      console.log("n8n response data (full):", JSON.stringify(data, null, 2));
-      console.log("n8n response data type:", typeof data);
-      console.log("n8n response is array:", Array.isArray(data));
+      if (process.env.NODE_ENV === 'development') {
+        console.log("n8n response data (full):", JSON.stringify(data, null, 2));
+        console.log("n8n response data type:", typeof data);
+        console.log("n8n response is array:", Array.isArray(data));
+      }
 
     // Try multiple ways to extract the reply
     let reply: string | undefined = undefined;