@@ -22,7 +22,7 @@ export function UsageCalendar({ organizationId, timezone, workspaceId }: UsageCa
       {calendar.isError || !calendar.data ? (
         <ChartFrame
           height={172}
-          loading={calendar.isLoading}
+          loading={calendar.isPending}
           error={calendar.isError ? 'Could not load daily usage' : undefined}
           onRetry={() => void calendar.refetch()}
         >
 
@@ -299,7 +299,7 @@ export function UsageConsumers({
           row={row}
           info={
             dimension === 'workspace' && !row.id
-              ? 'Usage without a workspace link, including organization-level activity and permanently deleted workspaces.'
+              ? 'Usage without a workspace link, including organization-level activity and retained charges from permanently deleted workspaces. This view cannot distinguish between them.'
               : undefined
           }
           isMember={dimension === 'member'}
 
@@ -15,6 +15,19 @@ describe('resolveBarTickValues', () => {
     expect(resolveBarTickValues(peak)).toEqual(expected)
   })
 
+  it.each([Number.MIN_VALUE, 1e-323, 2e-323, 1.5e308, Number.MAX_VALUE])(
+    'keeps a finite, increasing scale covering an extreme finite peak of %s',
+    (peak) => {
+      const ticks = resolveBarTickValues(peak)
+      expect(ticks.length).toBeGreaterThanOrEqual(2)
+      expect(ticks.length).toBeLessThanOrEqual(6)
+      expect(ticks[0]).toBe(0)
+      expect(ticks[ticks.length - 1]).toBeGreaterThanOrEqual(peak)
+      expect(ticks.every(Number.isFinite)).toBe(true)
+      expect(ticks.every((tick, index) => index === 0 || tick > ticks[index - 1])).toBe(true)
+    }
+  )
+
   it.each([0, -1, Number.NaN, Number.POSITIVE_INFINITY])(
     'provides a finite, nonzero scale for an empty or invalid peak of %s',
     (peak) => {
 
@@ -47,8 +47,12 @@ export function resolveBarTickValues(peak: number): number[] {
   const magnitude = 10 ** Math.floor(Math.log10(roughStep))
   const multiple = [1, 2, 5, 10].find((candidate) => candidate * magnitude >= roughStep) ?? 10
   const step = Math.max(peak >= 1 ? 1 : 0, multiple * magnitude)
+  if (!Number.isFinite(ceiling) || !Number.isFinite(step) || step <= 0) return [0, peak]
   const intervals = Math.ceil(ceiling / step)
-  return Array.from({ length: intervals + 1 }, (_, index) => Number((index * step).toPrecision(12)))
+  const ticks = Array.from({ length: intervals + 1 }, (_, index) =>
+    Number((index * step).toPrecision(12))
+  )
+  return ticks.every(Number.isFinite) ? ticks : [0, peak]
 }
 
 /** Vertical clamp for plotted geometry, keeping strokes off the axis rules. */
Original file line number	Diff line number	Diff line change
`@@ -22,7 +22,7 @@ export function UsageCalendar({ organizationId, timezone, workspaceId }: UsageCa`
`22`	`22`	`{calendar.isError \|\| !calendar.data ? (`
`23`	`23`	`<ChartFrame`
`24`	`24`	`height={172}`
`25`		`- loading={calendar.isLoading}`
	`25`	`+ loading={calendar.isPending}`
`26`	`26`	`error={calendar.isError ? 'Could not load daily usage' : undefined}`
`27`	`27`	`onRetry={() => void calendar.refetch()}`
`28`	`28`	`>`
Original file line number	Diff line number	Diff line change
`@@ -299,7 +299,7 @@ export function UsageConsumers({`
`299`	`299`	`row={row}`
`300`	`300`	`info={`
`301`	`301`	`dimension === 'workspace' && !row.id`
`302`		`- ? 'Usage without a workspace link, including organization-level activity and permanently deleted workspaces.'`
	`302`	`+ ? 'Usage without a workspace link, including organization-level activity and retained charges from permanently deleted workspaces. This view cannot distinguish between them.'`
`303`	`303`	`: undefined`
`304`	`304`	`}`
`305`	`305`	`isMember={dimension === 'member'}`