Update the Duo metrics table in the analytics dashboard to display MAU (Monthly Active Users) based absolute numbers for classic/legacy Duo features. ## Tasks - [ ] Convert "Duo features usage (Classic)" to display as number of contributors who used any classic GitLab Duo feature (MAU regardless of seat assignment) - [ ] Convert "Code Suggestions usage (Classic)" to display as number of MAU using Code Suggestions - [ ] Convert "Duo Chat usage (Classic)" to display as number of MAU who used legacy Duo Chat - [ ] Convert "Duo RCA usage (Classic)" to display as number of MAU who used RCA - [ ] Ensure all metrics no longer consider historical seat assignment, but rather MAU ## Update metric labels and descriptions ### Duo features usage - [ ] Update description to "Number of users who used any GitLab Duo feature." ### Code Suggestions usage - [ ] Update label to "Code Suggestions usage (Classic)" - [ ] Update description to "Number of users who used Code Suggestions." ### Duo Chat usage - [ ] Update label to "Duo Chat usage (Classic)" - [ ] Update description to "Number of users who used Duo Chat." ### Duo RCA usage - [ ] Update label to "Duo RCA usage (Classic)" - [ ] Update description to "Number of users who used RCA." ## Related to Epic #20540 - Section 7: Duo metrics table improvements