### Description **As a quality engineer** I need to be able to better identify: - When quality issues might be correlated to active audio / subtitle tracks. - In which context the web player is displayed (surrounding product). ### Acceptance criteria - [Updated monitoring specifications](https://github.com/SRGSSR/pillarbox-documentation/issues/131) have been implemented for tracks and application information support. ### Tasks - [ ] Add audio language information. - [ ] Add subtitles language information. - [ ] Add application information (and remove `origin`).