diff --git a/src/router/index.ts b/src/router/index.ts
index 1970af6a..61e9a1b0 100644
--- a/src/router/index.ts
+++ b/src/router/index.ts
@@ -4,6 +4,7 @@ import { captureException, flush, setTag } from '../sentry.js';
 // Bootstrap PM integrations before any adapters are loaded
 import '../pm/bootstrap.js';
 import { initPrompts } from '../agents/prompts/index.js';
+import { registerBuiltInEngines } from '../backends/bootstrap.js';
 import { initAgentMessages } from '../config/agentMessages.js';
 import { seedAgentDefinitions } from '../db/seeds/seedAgentDefinitions.js';
 import { registerBuiltInTriggers } from '../triggers/builtins.js';
@@ -34,6 +35,12 @@ import {
 
 setTag('role', 'router');
 
+// Register engine settings schemas before any loadConfig() call.
+// EngineSettingsSchema uses a dynamic registry; without this, any project
+// with claude-code/codex/opencode engineSettings causes a ZodError that
+// silently drops all webhooks (same fix as dashboard.ts in #896).
+registerBuiltInEngines();
+
 // Create trigger registry once at router startup for dispatch() calls
 const triggerRegistry = createTriggerRegistry();
 registerBuiltInTriggers(triggerRegistry);