I proudly announce that it was recently released the 3.0.0.Alpha1 module of Seam JCR.  

Seam JCR is a portable extension for CDI to a JCR (Java Content Repository) 2.0 compliant implementation (JSR-283). For now, we are testing on JBoss Modeshape and Apache Jackrabbit (reference implementation).

With this alpha-1 version, we allow the injection of javax.jcr.Repository and javax.jcr.Session objects as well as bridging the JCR event model to a CDI compliant supported one.

Check the documentation and don´t be afraid to give it a try: http://www.seamframework.org/Seam3/JCRModule