fix ci

.github/workflows/test.yml

@@ -27,7 +27,6 @@ jobs:
 
       - name: Build rule configuration
         run: |
-          gem install liquid-cli
           cat _data/rules.yml | yq -I 0 -o json > _data/rules.json
 
           for service in $(cat _data/rules.json | jq -r '.groups[].services[] | @base64'); do

CLAUDE.md

@@ -21,6 +21,8 @@ The project is community-driven. Most contributions are PRs adding or updating r
 
 ## Rules YAML Structure
 
+Services are listed in README.md.
+
 `_data/rules.yml` hierarchy:
 ```
 groups:
@@ -43,6 +45,8 @@ groups:
                   "<comment>"
 ```
 
+Services are grouped in category. If you are not sure about the classification, ask the developer.
+
 ## Running Locally
 
 ```bash