fix: resolve TypeScript build errors in StackedBarChart and retrospection utils

- Cast D3 mousemove datum from unknown to ChartDataPoint to satisfy TS2769
- Remove Activity.Gaming reference that does not exist in the Activity enum (TS2339)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: casaout

src/electron/src/components/StackedBarChart.vue

@@ -163,14 +163,15 @@ function buildChart() {
     .on('mouseout', function () {
       d3.select('#tooltip').style('opacity', '0')
     })
-    .on('mousemove', function (this: SVGRectElement, _event: any, d: ChartDataPoint) {
-      const durationInMinutes = msToReadableFormat(d.end.getTime() - d.start.getTime(), false, false)
+    .on('mousemove', function (this: SVGRectElement, _event: any, d: unknown) {
+      const dataPoint = d as ChartDataPoint
+      const durationInMinutes = msToReadableFormat(dataPoint.end.getTime() - dataPoint.start.getTime(), false, false)
 
       const barBoundingRect = this.getBoundingClientRect()
       const xPosition = barBoundingRect.x + barBoundingRect.width / 2
       const yPosition = barBoundingRect.y - barBoundingRect.height + 10
 
-      const tooltipContent = `<div class="text-${d.color}">${ACTIVITY_LABELS[getActivityGroupFromActivityName(d.activity)]}</div> ${timeFormat(d.start)} - ${timeFormat(d.end)} (${durationInMinutes})`
+      const tooltipContent = `<div class="text-${dataPoint.color}">${ACTIVITY_LABELS[getActivityGroupFromActivityName(dataPoint.activity)]}</div> ${timeFormat(dataPoint.start)} - ${timeFormat(dataPoint.end)} (${durationInMinutes})`
 
       d3.select('#tooltip')
         .style('left', xPosition + 'px')

src/electron/src/utils/retrospection/utils.ts

@@ -38,7 +38,7 @@ const ACTIVITY_GROUPS: Record<string, Activity[]> = {
   WorkUnrelatedBrowsing: [Activity.WorkUnrelatedBrowsing],
   SocialMedia: [Activity.SocialMedia],
   FileManagement: [Activity.FileManagement],
-  Other: [Activity.Unknown, Activity.Other, Activity.OtherRdp, Activity.Gaming],
+  Other: [Activity.Unknown, Activity.Other, Activity.OtherRdp],
   Idle: [Activity.Idle]
 }