[Design] Google Calendar Integration Experience
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However, this is a manual experience for users and also only takes into account the "present" status of the user, not their future status, like if they are starting PTO the next day after they are assigned as an MR Reviewer. <!-- What is the user problem you are trying to solve with this issue? --> ### Proposal Following the discussion in https://gitlab.com/gitlab-org/gitlab/-/work_items/371718#note_3129695184, in order to make it the best experience for users, we need to create a calendar Integration to enhance the Intelligent Reviewer feature, so team members can automatically be marked as "busy" due to PTO plans, which can be used by the agent to determine who is the best reviewer. <!-- Use this section to explain the feature and how it will work. It can be helpful to add technical details, design proposals, and links to related epics or issues. --> ### Intended users <!-- Who will use this feature? If known, include any of the following: types of users (e.g. Developer), personas, or specific company roles (e.g. Release Manager). It's okay to write "Unknown" and fill this field in later. Personas are described at https://handbook.gitlab.com/handbook/product/personas/ * [Parker (Product Manager)](https://handbook.gitlab.com/handbook/product/personas/#parker-product-manager) * [Delaney (Development Team Lead)](https://handbook.gitlab.com/handbook/product/personas/#delaney-development-team-lead) * [Presley (Product Designer)](https://handbook.gitlab.com/handbook/product/personas/#presley-product-designer) * [Sasha (Software Developer)](https://handbook.gitlab.com/handbook/product/personas/#sasha-software-developer) * [Priyanka (Platform Engineer)](https://handbook.gitlab.com/handbook/product/personas/#priyanka-platform-engineer) * [Sidney (Systems Administrator)](https://handbook.gitlab.com/handbook/product/personas/#sidney-systems-administrator) * [Rachel (Release Manager)](https://handbook.gitlab.com/handbook/product/personas/#rachel-release-manager) * [Simone (Software Engineer in Test)](https://handbook.gitlab.com/handbook/product/personas/#simone-software-engineer-in-test) * [Allison (Application Ops)](https://handbook.gitlab.com/handbook/product/personas/#allison-application-ops) * [Ingrid (Infrastructure Operator)](https://handbook.gitlab.com/handbook/product/personas/#ingrid-infrastructure-operator) * [Dakota (Application Development Director)](https://handbook.gitlab.com/handbook/product/personas/#dakota-application-development-director) * [Dana (Data Analyst)](https://handbook.gitlab.com/handbook/product/personas/#dana-data-analyst) * [Eddie (Content Editor)](https://handbook.gitlab.com/handbook/product/personas/#eddie-content-editor) * [Amy (Application Security Engineer)](https://handbook.gitlab.com/handbook/product/personas/#amy-application-security-engineer) * [Isaac (Infrastructure Engineer)](https://handbook.gitlab.com/handbook/product/personas/#isaac-infrastructure-security-engineer) * [Alex (Security Operations Engineer)](https://handbook.gitlab.com/handbook/product/personas/#alex-security-operations-engineer) * [Cameron (Compliance Manager)](https://handbook.gitlab.com/handbook/product/personas/#cameron-compliance-manager) --> ### Feature Usage Metrics <!-- How are you going to track usage of this feature? 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