use latext plantuml

Author: MatthewSZhang

.readthedocs.yml

@@ -3,12 +3,14 @@ build:
   os: ubuntu-22.04
   tools:
     python: "3.13"
-  
-  # Java is required for PlantUML to generate C4 diagrams
-  apt_packages:
-    - plantuml
-    - openjdk-17-jdk
-    - graphviz
+  jobs:
+    post_install:
+      # Download the latest PlantUML jar
+      - wget https://github.com/plantuml/plantuml/releases/latest/download/plantuml.jar -P /tmp/
+      # Create an executable wrapper script for Sphinx
+      - echo '#!/bin/sh' > /usr/local/bin/plantuml
+      - echo 'java -jar /tmp/plantuml.jar "$@"' >> /usr/local/bin/plantuml
+      - chmod +x /usr/local/bin/plantuml
 
 sphinx:
    configuration: doc/conf.py