feat(CF-2136): Add Sentry structured logging support

Enable Sentry.logger API (enableLogs, beforeSendLog) and add
logInfo/logWarn/logError helpers. Bump @sentry/node ^9.47.1 → ^10.39.0,
@sentry/profiling-node → ^10.39.0.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

package.json

@@ -12,8 +12,8 @@
   },
   "dependencies": {
     "@modelcontextprotocol/sdk": "^1.0.4",
-    "@sentry/node": "^9.47.1",
-    "@sentry/profiling-node": "^10.37.0",
+    "@sentry/node": "^10.39.0",
+    "@sentry/profiling-node": "^10.39.0",
     "dotenv": "^17.2.3",
     "pg": "^8.11.3"
   },