diff --git a/src/web/schemas.ts b/src/web/schemas.ts
index bdc964f6..12283739 100644
--- a/src/web/schemas.ts
+++ b/src/web/schemas.ts
@@ -267,6 +267,7 @@ export const SettingsUpdateSchema = z
     tunnelEnabled: z.boolean().optional(),
     tabTwoRows: z.boolean().optional(),
     agentTeamsEnabled: z.boolean().optional(),
+    opusContext1mEnabled: z.boolean().optional(),
     thinkingEffort: z.string().max(20).optional(),
     // UI visibility
     showFontControls: z.boolean().optional(),