diff --git a/services/platform-service/src/server.ts b/services/platform-service/src/server.ts
index 29689acc..6117caf9 100644
--- a/services/platform-service/src/server.ts
+++ b/services/platform-service/src/server.ts
@@ -47,6 +47,7 @@ import { tokenRoutes } from './modules/tokens/routes.js';
 import { themeRoutes } from './modules/themes/routes.js';
 import { waitlistRoutes } from './modules/waitlist/routes.js';
 import { telemetryRoutes } from './modules/telemetry/routes.js';
+import { diagnosticsRoutes } from './modules/diagnostics/routes.js';
 import { jobRoutes } from './modules/jobs/routes.js';
 import { statusRoutes } from './modules/status/routes.js';
 import { deliveryRoutes } from './modules/delivery/routes.js';
@@ -142,6 +143,8 @@ await app.register(themeRoutes, { prefix: '/api' });
 await app.register(waitlistRoutes, { prefix: '/api' });
 // Telemetry module (client ingest + admin query + policies)
 await app.register(telemetryRoutes, { prefix: '/api' });
+// Diagnostics module (remote debug sessions — see docs/devops/REMOTE_DIAGNOSTICS_ROADMAP.md)
+await app.register(diagnosticsRoutes, { prefix: '/api' });
 // Public routes — no auth, registered at top level
 await app.register(publicRoutes, { prefix: '/api' });
 // Scheduled jobs module (admin: list, trigger, view runs)