diff --git a/OPEN_THREADS.md b/OPEN_THREADS.md
index cc2b71e..58e53d7 100644
--- a/OPEN_THREADS.md
+++ b/OPEN_THREADS.md
@@ -1,18 +1,5 @@
 # Open Threads
 
-## 1. Upload Transport Timeout Tuning
-
-Need:
-- Clear separation of timeout categories
-- Distinguish:
-  - client abort
-  - upstream timeout
-  - socket reset
-
-Upload route should log explicit error categories.
-
----
-
 ## 2. Dev Server Filesystem Model
 
 Game servers are complete.
@@ -62,3 +49,4 @@ None currently implemented.
 - ✅ `.zlh_metadata.json` provenance tracking
 - ✅ Raw `http.request` streaming in API upload proxy
 - ✅ Filesystem architecture docs consolidated
+- ✅ Upload transport timeout tuning — client abort / upstream timeout / socket reset categories clarified in upload route logging