Show cumulative AIC usage on overview

src/App.tsx

@@ -729,6 +729,7 @@ function App() {
                 rangeEnd={rangeEnd}
                 licenseAmount={licenseAmount}
                 licenseSeatCounts={licenseSeatCounts}
+                includedAicCredits={includedAicPoolSize}
                 reportPlanScope={reportPlanScope}
                 upgradeRecommendation={individualUpgradeRecommendation}
                 onAdjustSeatCounts={reportPlanScope === 'organization' && !isIndividualReport ? () => setActiveView('users') : undefined}

src/components/DualAxisLineChart.tsx

@@ -8,6 +8,7 @@ import {
   Tooltip,
   Legend,
   type ChartOptions,
+  type LegendItem,
   type ScriptableLineSegmentContext,
 } from 'chart.js'
 import { Line } from 'react-chartjs-2'
@@ -27,12 +28,23 @@ export interface LineSeries {
   segmentColor?: (startValue: number, endValue: number) => string
 }
 
+export interface ExtraLegendItem {
+  label: string
+  color: string
+  legendOrder?: number
+}
+
 export interface DualAxisLineChartProps {
   title: string
   labels: string[]
   series: [LineSeries, LineSeries, ...LineSeries[]]
   height?: number
   formatYAsCurrency?: boolean
+  extraLegendItems?: ExtraLegendItem[]
+}
+
+type OrderedLegendItem = LegendItem & {
+  legendOrder?: number
 }
 
 function formatTick(value: number): string {
@@ -52,6 +64,7 @@ export function DualAxisLineChart({
   series,
   height = 320,
   formatYAsCurrency = false,
+  extraLegendItems = [],
 }: DualAxisLineChartProps) {
   const tickFormatter = formatYAsCurrency ? formatUsdTick : formatTick
   const usesSecondaryAxis = series.some((dataset) => dataset.yAxisID === 'y1')
@@ -111,24 +124,33 @@ export function DualAxisLineChart({
           font: { size: 11, weight: 500 },
           generateLabels: (chart) => {
             const defaultLabels = ChartJS.defaults.plugins.legend.labels.generateLabels?.(chart) ?? []
-            return defaultLabels.map((item) => {
+            const datasetLabels: OrderedLegendItem[] = defaultLabels.map((item) => {
               const dataset = typeof item.datasetIndex === 'number'
                 ? chart.data.datasets[item.datasetIndex] as { legendLabel?: string, legendOrder?: number }
                 : undefined
 
-              return dataset?.legendLabel ? { ...item, text: dataset.legendLabel } : item
-            }).sort((a, b) => {
-              const datasetA = typeof a.datasetIndex === 'number'
-                ? chart.data.datasets[a.datasetIndex] as { legendOrder?: number }
-                : undefined
-              const datasetB = typeof b.datasetIndex === 'number'
-                ? chart.data.datasets[b.datasetIndex] as { legendOrder?: number }
-                : undefined
+              return {
+                ...item,
+                text: dataset?.legendLabel ?? item.text,
+                legendOrder: dataset?.legendOrder,
+              }
+            })
+
+            const additionalLabels: OrderedLegendItem[] = extraLegendItems.map((item) => ({
+              text: item.label,
+              fillStyle: item.color,
+              strokeStyle: item.color,
+              hidden: false,
+              lineWidth: 2,
+              legendOrder: item.legendOrder,
+            }))
 
-              return (datasetA?.legendOrder ?? a.datasetIndex ?? 0) - (datasetB?.legendOrder ?? b.datasetIndex ?? 0)
+            return [...datasetLabels, ...additionalLabels].sort((a, b) => {
+              return (a.legendOrder ?? a.datasetIndex ?? 0) - (b.legendOrder ?? b.datasetIndex ?? 0)
             })
           },
         },
+        onClick: () => undefined,
       },
       title: {
         display: true,

src/views/CostManagementView.tsx

@@ -441,15 +441,6 @@ export function CostManagementView({
                         : SIMULATED_ADDITIONAL_COLOR
                     ),
                   },
-                  {
-                    label: 'Simulated - additional usage',
-                    legendOrder: 2,
-                    color: SIMULATED_ADDITIONAL_COLOR,
-                    data: cumulativeSimulationSeries.labels.map(() => null),
-                    yAxisID: 'y',
-                    order: 4,
-                    pointRadius: 0,
-                  },
                   {
                     label: 'Included AI Credits pool',
                     legendOrder: 4,
@@ -461,6 +452,13 @@ export function CostManagementView({
                     pointRadius: 0,
                   },
                 ]}
+                extraLegendItems={[
+                  {
+                    label: 'Simulated - additional usage',
+                    color: SIMULATED_ADDITIONAL_COLOR,
+                    legendOrder: 2,
+                  },
+                ]}
                 formatYAsCurrency
                 height={320}
               />

src/views/OverviewView.tsx

@@ -3,6 +3,7 @@ import { BillingProjectionDisclaimer, BillingTotalsCards } from '../components/u
 import { appLinks } from '../config/links'
 import type { ReportPlanScope } from '../pipeline/aicIncludedCredits'
 import type { DailyUsageData } from '../pipeline/aggregators/dailyUsageAggregator'
+import { AIC_UNIT_PRICE_USD } from '../utils/billingConstants'
 import { fillDataForRange } from '../utils/fillDataForRange'
 import { formatUsd } from '../utils/format'
 import type { IndividualPlanUpgradeRecommendation } from '../utils/individualPlanUpgrade'
@@ -18,11 +19,16 @@ type OverviewViewProps = {
     business: number
     enterprise: number
   }
+  includedAicCredits: number
   reportPlanScope?: ReportPlanScope
   upgradeRecommendation?: IndividualPlanUpgradeRecommendation | null
   onAdjustSeatCounts?: () => void
 }
 
+const CURRENT_AIC_COLOR = '#1a7f37'
+const ADDITIONAL_AIC_COLOR = '#cf222e'
+const INCLUDED_CREDITS_COLOR = '#0969da'
+
 function createEmptyDailyUsage(date: string): DailyUsageData {
   return {
     date,
@@ -44,6 +50,7 @@ export function OverviewView({
   rangeEnd,
   licenseAmount,
   licenseSeatCounts,
+  includedAicCredits,
   reportPlanScope = 'organization',
   upgradeRecommendation = null,
   onAdjustSeatCounts,
@@ -73,6 +80,23 @@ export function OverviewView({
   const usageBasedBillingDocsUrl = reportPlanScope === 'individual'
     ? appLinks.usageBasedBillingForIndividualsDocs
     : appLinks.usageBasedBillingForOrganizationsDocs
+  const includedCreditsValue = includedAicCredits * AIC_UNIT_PRICE_USD
+  const includedCreditsLabel = 'Included value'
+  const includedCreditsLegendLabel = reportPlanScope === 'individual' ? 'Included AI Credits' : 'Included AI Credits pool'
+  const includedCreditsDescription = reportPlanScope === 'individual'
+    ? 'Your plan\'s included AI Credits are consumed first. Additional usage spend starts after cumulative AIC gross cost exceeds the included value.'
+    : 'The account-wide included AI Credits pool is consumed first. Additional usage spend starts after cumulative AIC gross cost exceeds the included value.'
+  const includedCreditsCardTitle = reportPlanScope === 'individual' ? 'Included credits are coming' : 'Pooled included credits are coming'
+  const includedCreditsCardBody = reportPlanScope === 'individual'
+    ? 'Under usage-based billing, your Copilot plan includes AI Credits each month. Usage consumes those included credits first; additional usage is billed only after they are used.'
+    : 'Under usage-based billing, included credits will be pooled across all licensed users in your account. No more unused capacity going to waste from idle users.'
+  const includedCreditsDocsUrl = reportPlanScope === 'individual'
+    ? appLinks.usageBasedBillingForIndividualsDocs
+    : appLinks.aiCreditsForOrganizationsDocs
+  const cumulativeAicGrossAmount = filledDailyUsageData.reduce<number[]>((totals, day) => {
+    totals.push((totals[totals.length - 1] ?? 0) + day.aicGrossAmount)
+    return totals
+  }, [])
 
   return (
     <div className="max-w-[var(--width-content-max)] w-full mx-auto px-6 pt-8 pb-12 flex flex-col gap-6">
@@ -146,25 +170,51 @@ export function OverviewView({
           <BillingProjectionDisclaimer className="mb-6" />
 
           <section className="grid grid-cols-1 gap-6 w-full">
-            <DualAxisLineChart
-              title="Daily Requests & AI Credits"
-              labels={filledDailyUsageData.map((day) => day.date)}
-              series={[
-                {
-                  label: 'Premium Requests',
-                  color: '#6366f1',
-                  data: filledDailyUsageData.map((day) => day.requests),
-                  yAxisID: 'y',
-                },
-                {
-                  label: 'AI Credits',
-                  color: '#22c55e',
-                  data: filledDailyUsageData.map((day) => day.aicQuantity),
-                  yAxisID: 'y1',
-                },
-              ]}
-              height={320}
-            />
+            <div className="flex flex-col gap-2">
+              <DualAxisLineChart
+                title="Cumulative AIC gross cost: included vs additional"
+                labels={filledDailyUsageData.map((day) => day.date)}
+                series={[
+                  {
+                    label: 'AIC gross cost',
+                    legendLabel: 'Usage - within included value',
+                    legendOrder: 1,
+                    color: CURRENT_AIC_COLOR,
+                    data: cumulativeAicGrossAmount,
+                    yAxisID: 'y',
+                    order: 1,
+                    segmentColor: (_startValue, endValue) => (
+                      endValue <= includedCreditsValue
+                        ? CURRENT_AIC_COLOR
+                        : ADDITIONAL_AIC_COLOR
+                    ),
+                  },
+                  {
+                    label: includedCreditsLabel,
+                    legendLabel: includedCreditsLegendLabel,
+                    legendOrder: 3,
+                    color: INCLUDED_CREDITS_COLOR,
+                    data: filledDailyUsageData.map(() => includedCreditsValue),
+                    yAxisID: 'y',
+                    borderDash: [2, 4],
+                    order: 2,
+                    pointRadius: 0,
+                  },
+                ]}
+                extraLegendItems={[
+                  {
+                    label: 'Usage - additional spend',
+                    color: ADDITIONAL_AIC_COLOR,
+                    legendOrder: 2,
+                  },
+                ]}
+                formatYAsCurrency
+                height={320}
+              />
+              <p className="m-0 text-center text-[13px] text-fg-muted leading-normal">
+                {includedCreditsDescription}
+              </p>
+            </div>
             <DualAxisLineChart
               title="Daily cost: PRU cost vs AIC cost"
               labels={filledDailyUsageData.map((day) => day.date)}
@@ -213,24 +263,22 @@ export function OverviewView({
             />
           </section>
 
-          {reportPlanScope === 'organization' && (
-            <div className="bg-bg-default border border-border-default rounded-md py-5 px-6 mt-6 flex flex-col gap-3 sm:flex-row sm:items-center sm:gap-5">
-              <div className="flex-1 flex flex-col gap-1">
-                <strong className="text-sm font-semibold text-fg-default">Pooled included credits are coming</strong>
-                <p className="m-0 text-[13px] text-fg-muted leading-normal">
-                  Under usage-based billing, included credits will be pooled across all licensed users in your account. No more unused capacity going to waste from idle users.
-                </p>
-              </div>
-              <a
-                href={appLinks.aiCreditsForOrganizationsDocs}
-                className="text-sm font-medium text-fg-accent no-underline whitespace-nowrap hover:underline"
-                target="_blank"
-                rel="noopener noreferrer"
-              >
-                Learn more &rarr;
-              </a>
+          <div className="bg-bg-default border border-border-default rounded-md py-5 px-6 mt-6 flex flex-col gap-3 sm:flex-row sm:items-center sm:gap-5">
+            <div className="flex-1 flex flex-col gap-1">
+              <strong className="text-sm font-semibold text-fg-default">{includedCreditsCardTitle}</strong>
+              <p className="m-0 text-[13px] text-fg-muted leading-normal">
+                {includedCreditsCardBody}
+              </p>
             </div>
-          )}
+            <a
+              href={includedCreditsDocsUrl}
+              className="text-sm font-medium text-fg-accent no-underline whitespace-nowrap hover:underline"
+              target="_blank"
+              rel="noopener noreferrer"
+            >
+              Learn more &rarr;
+            </a>
+          </div>
 
           <section className="mt-8">
             <h2 className="text-base font-semibold text-fg-default pb-[10px] border-b border-border-default mb-4">Recommended next steps</h2>