Fix: correct text/stream compression workaround (#14064)

src/paperless/middleware.py

@@ -1,8 +1,23 @@
+from compression_middleware.middleware import CompressionMiddleware
 from django.conf import settings
 
 from paperless import version
 
 
+class StreamAwareCompressionMiddleware(CompressionMiddleware):
+    """
+    Bypasses compression for server-sent streams (text/event-stream).
+
+    See https://github.com/friedelwolff/django-compression-middleware/pull/7
+    """
+
+    def process_response(self, request, response):
+        content_type = response.headers.get("Content-Type", "")
+        if content_type.startswith("text/event-stream"):
+            return response
+        return super().process_response(request, response)
+
+
 class ApiVersionMiddleware:
     def __init__(self, get_response):
         self.get_response = get_response