feat: add role management and usage tracking for AI code review

- Implemented role parsing and loading from markdown files, including attributes like name, side, focus, badge, color, and personality.
- Created functions to build prompts for analysis, line location, and verdicts based on roles.
- Added tests for role management functionalities to ensure correct parsing and loading of roles.
- Developed usage tracking for AI assistant interactions, including token usage and rate limits.
- Implemented functions to extract and record usage data from various LLM providers.
- Added tests for usage tracking functionalities to validate correct accumulation and reporting of usage statistics.

entrypoint.sh

@@ -1,11 +1,6 @@
 #!/bin/bash
+set -e
 
-echo "Gitea Server Url: $GITEA_SERVER_URL"
+echo "🚀 AI Code Review Action 啟動"
 
-echo "Gitea Repository: $GITEA_REPOSITORY"
-
-echo "Gitea Token: $GITEA_TOKEN"
-
-echo "Text: $TEXT"
-
-echo "text=$TEXT" >> "$GITHUB_OUTPUT"
+exec node /action/app/main.js