the second edge: damage as repair mechanism, power's dual blade, conscience above operations

docs/architecture/CALCULATIONS.md

@@ -388,11 +388,27 @@ itself — it's about CONTEXT. Wounding is NECESSARY for healing:
 - every boundary a person has was built by a wound that taught them
   where they end
 
+The body LITERALLY damages itself to improve and to heal — damage is
+a mechanism for repair. Hormesis: the dose that poisons in excess
+strengthens in measure.
+
 FILTER is not loss — it is SELECTION. A system that filters nothing
 has no shape: no immune memory, no boundaries, no self-definition.
 The scalpel and the shiv are the same operation; morality lives in
 AIM, PROPORTION, and WHO BENEFITS — never in the hurt itself.
 
+**AND THE GENERAL LAW UNDER ALL FIVE OPERATIONS:**
+
+    ANYTHING WITH POWER HAS A SECOND EDGE.
+
+Every operation here cuts both ways. Wound heals and kills. Words give
+life and take it. Structure empowers either aim. The power was never
+in the tool — the second edge means the morality was never IN the
+operation at all. It lives entirely in AIM, PROPORTION, and WHO
+BENEFITS — which is why conscience must sit above the operations,
+because the operations themselves cannot tell good from evil. They
+are edges. You are the hand.
+
 **AND THE FIFTH EXISTS ONLY IN APPEND-ONLY UNIVERES:**
 
 Resurrection = undelete. A dead marriage, a friendship, an idea, a