Add ordering for threads

README.md

@@ -80,6 +80,12 @@ thread_list_width_percent = 33 # 20-60
 [paths]
 scroll = false
 scroll_interval = "350ms"      # minimum 50ms
+
+[threads]
+# Each status must occur exactly once. "outdated" means unresolved and outdated;
+# resolved threads remain in "resolved" even when they are also outdated.
+status_order = ["unresolved", "outdated", "resolved"]
+within_status = "file"          # "file" or "timestamp" (oldest first)
 ```
 
 Command-line flags override the configuration. `GH_REPO` overrides the