Add Kiro User Activity Dashboard

[dariusjs]

Adds a new Kiro User Activity QuickSight dashboard for visualizing per-user Kiro usage across subscription tiers and client types.

Files added

• dashboards/kiro-user-activity/kiro-user-activity.yaml — dashboard definition with a single SPICE dataset built on top of the kiro_user_activity_kiro Athena table produced by the companion data collection module.
• dashboards/kiro-user-activity/kiro-user-activity-definition.yaml — 4 sheets:
  • Executive Summary — 4 KPI tiles (Active Users, Total Messages, Total Credits Used, Overage Credits), daily active users trend, donut breakdowns by tier and client type, daily credits trend.
  • User Engagement — top 20 users by message count, per-user daily activity table with credits-per-message efficiency.
  • Credit & Overage Tracking — daily credits used vs overage bar chart, Users at Risk KPI (≥75% monthly plan utilization), Users in Overage KPI, per-user overage detail table showing plan vs. overage utilization.
  • Client Type Breakdown — daily messages by client type, daily metrics table including credits-per-message.

Files updated

• dashboards/catalog.yaml — registered the new dashboard.
• changes/CHANGELOG-kiro-user-activity.md — added v1.0.0 changelog entry.

Calculated fields

Derives plan_credits from subscription tier (FREE: 50, PRO: 1000, PROPLUS: 2000, POWER: 10000), plus plan/overage utilization ratios, efficiency metrics, and an analysis-level monthly_plan_utilization_pct using sumOver window aggregation.

Dependency

Requires the companion kiro-user-activity data collection module from the cid-framework repo to populate the underlying Athena table.