Feature Implemented: Warning displayed when frontend version mismatches (#4363)

Co-authored-by: bymyself <cbyrne@comfy.org>
Co-authored-by: Claude <noreply@anthropic.com>

src/schemas/apiSchema.ts

@@ -338,6 +338,7 @@ export const zSystemStats = z.object({
     embedded_python: z.boolean(),
     comfyui_version: z.string(),
     pytorch_version: z.string(),
+    required_frontend_version: z.string().optional(),
     argv: z.array(z.string()),
     ram_total: z.number(),
     ram_free: z.number()