diff --git a/lib/merge.py b/lib/merge.py
index 9a9a31c..0e4205e 100644
--- a/lib/merge.py
+++ b/lib/merge.py
@@ -414,6 +414,10 @@ def _classify_commit_type(diff: str) -> str:
 
     Knowledge: claims, decisions, core, foundations (full CI weight)
     Pipeline: inbox, entities, agents, archive (zero CI weight)
+
+    Mixed PRs (knowledge + pipeline files) classify as 'knowledge' —
+    if a PR adds a claim, it gets attribution even if it also moves
+    source files. Knowledge takes priority. (Ganymede review)
     """
     knowledge_prefixes = ("domains/", "core/", "foundations/", "decisions/")
     pipeline_prefixes = ("inbox/", "entities/", "agents/")