- system.ts: Add maxLength(100) and alphanumeric/hyphen/underscore regex to service_name fields
- system.ts: Add maxLength(50) and semver/Docker tag regex to target_version field
- rag.ts: Add maxLength(500) to filePath field
- rag_controller.ts: Add 50MB file upload size limit and validation error handling
- settings_controller.ts: Validate getSetting() key parameter against KV_STORE_SCHEMA at runtime
https://claude.ai/code/session_01JFvpTYgm8GiE4vJ4cJKsFx
