fix(web): add error logging in captureEvent catch block

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: msukkari

packages/web/src/lib/posthog.ts

@@ -1,11 +1,13 @@
 import { PostHog } from 'posthog-node'
-import { env, SOURCEBOT_VERSION } from '@sourcebot/shared'
+import { createLogger, env, SOURCEBOT_VERSION } from '@sourcebot/shared'
 import { RequestCookies } from 'next/dist/compiled/@edge-runtime/cookies';
 import * as Sentry from "@sentry/nextjs";
 import { PosthogEvent, PosthogEventMap } from './posthogEvents';
 import { cookies, headers } from 'next/headers';
 import { getAuthenticatedUser } from '@/middleware/withAuth';
 
+const logger = createLogger('posthog');
+
 /**
  * @note: This is a subset of the properties stored in the
  * ph_phc_<id>_posthog cookie.
@@ -99,7 +101,7 @@ export async function captureEvent<E extends PosthogEvent>(event: E, properties:
             },
             distinctId,
         });
-    } catch {
-        // Telemetry should never break application functionality.
+    } catch (error) {
+        logger.error('Failed to capture PostHog event:', error);
     }
 }