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

Enable enableLogs + beforeSendLog in Sentry.init, add log helpers where
applicable. Bump @sentry/node to ^10.39.0 for Sentry.logger API.

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

src/sentry.ts

@@ -51,6 +51,11 @@ export function initSentry(environment: string = "development"): void {
 
       return event;
     },
+    enableLogs: true,
+    beforeSendLog(log) {
+      if (log.level === "debug") return null;
+      return log;
+    },
     maxBreadcrumbs: 30,
     attachStacktrace: true,
     release: process.env.APP_VERSION || "unknown",
@@ -62,6 +67,18 @@ export function initSentry(environment: string = "development"): void {
   );
 }
 
+export function logInfo(msg: string, data?: Record<string, unknown>): void {
+  Sentry.logger.info(msg, data);
+}
+
+export function logWarn(msg: string, data?: Record<string, unknown>): void {
+  Sentry.logger.warn(msg, data);
+}
+
+export function logError(msg: string, data?: Record<string, unknown>): void {
+  Sentry.logger.error(msg, data);
+}
+
 export async function withSentryTransaction<T>(
   toolName: string,
   handler: () => Promise<T>