diff --git a/admin/app/middleware/compression_middleware.ts b/admin/app/middleware/compression_middleware.ts
index 0661ac7..9c11411 100644
--- a/admin/app/middleware/compression_middleware.ts
+++ b/admin/app/middleware/compression_middleware.ts
@@ -3,7 +3,21 @@ import type { HttpContext } from '@adonisjs/core/http'
 import type { NextFn } from '@adonisjs/core/types/http'
 import compression from 'compression'
 
-const compress = env.get('DISABLE_COMPRESSION') ? null : compression()
+// Skip compression for Server-Sent Events. The compression library buffers
+// response writes to determine encoding, which collapses per-token streaming
+// into a single block delivered after generation completes (regression in
+// v1.31.0-rc.2, reported in #781 by @toasterking).
+const compress = env.get('DISABLE_COMPRESSION')
+  ? null
+  : compression({
+      filter: (req: any, res: any) => {
+        const contentType = res.getHeader('Content-Type')
+        if (typeof contentType === 'string' && contentType.includes('text/event-stream')) {
+          return false
+        }
+        return compression.filter(req, res)
+      },
+    })
 
 export default class CompressionMiddleware {
   async handle({ request, response }: HttpContext, next: NextFn) {