fix: sync Go Kiro CLI hook contracts

sdks/go/README.md

@@ -71,6 +71,8 @@ elydora install \
   --kid agent-456-key-v1
 ```
 
+Kiro CLI installation covers both runtime contracts. Kiro CLI v2 uses the generated custom agent through `kiro-cli --agent elydora-audit`. Kiro CLI v3 loads the global standalone hooks when started with `kiro-cli --v3`.
+
 ### Commands
 
 | Command | Description |