- Add Matrix bot to the feature list and prerequisites. - Add a Matrix Appservice section covering config, Synapse registration, and the shared conversation pipeline. - Document the matrix config section in CONFIGURATION.md. - Add a ready-to-use Synapse appservice registration template (matrix/steward_appservice.yaml). - Document the Gitea Actions build/deploy workflow and kube manifests. Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>