[ISSUE] Usage counting discrepancy after /usage endpoint unavailability

Bug Description
Yesterday I had a very sudden usage jump (almost double what I had consumed for most of the day) after /usage not being available for like an hour or so. That's very shady to say the least, can you please look into whether there was a problem counting usage?

Environment Info

• Platform: linux
• Terminal: vscode
• Version: 2.1.66
• Feedback ID: 29ef2116-6864-4d87-a63f-7f6ad0544a9e

Errors

[{"error":"AxiosError: Request failed with status code 429\n    at Tu (file:///home/vscode/.fnm/node-versions/v22.22.1/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:90:1138)\n    at IncomingMessage.<anonymous> (file:///home/vscode/.fnm/node-versions/v22.22.1/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:91:9781)\n    at IncomingMessage.emit (node:events:531:35)\n    at endReadableNT (node:internal/streams/readable:1698:12)\n    at process.processTicksAndRejections (node:internal/process/task_queues:89:21)\n    at uy6.request (file:///home/vscode/.fnm/node-versions/v22.22.1/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:93:2132)\n    at process.processTicksAndRejections (node:internal/process/task_queues:103:5)\n    at async Ng9 (file:///home/vscode/.fnm/node-versions/v22.22.1/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:890:3054)\n    at async Y (file:///home/vscode/.fnm/node-versions/v22.22.1/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:108:27505)\n    at async vg9 (file:///home/vscode/.fnm/node-versions/v22.22.1/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:890:3197)","timestamp":"2026-03-09T04:51:30.839Z"},{"error":"AxiosError: Request failed with status code 429\n    at Tu (file:///home/vscode/.fnm/node-versions/v22.22.1/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:90:1138)\n    at IncomingMessage.<anonymous> (file:///home/vscode/.fnm/node-versions/v22.22.1/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:91:9781)\n    at IncomingMessage.emit (node:events:531:35)\n    at endReadableNT (node:internal/streams/readable:1698:12)\n    at process.processTicksAndRejections (node:internal/process/task_queues:89:21)\n    at uy6.request (file:///home/vscode/.fnm/node-versions/v22.22.1/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:93:2132)\n    at process.processTicksAndRejections (node:internal/process/task_queues:103:5)\n    at async Ng9 (file:///home/vscode/.fnm/node-versions/v22.22.1/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:890:3054)\n    at async Y (file:///home/vscode/.fnm/node-versions/v22.22.1/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:108:27505)\n    at async vg9 (file:///home/vscode/.fnm/node-versions/v22.22.1/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:890:3197)","timestamp":"2026-03-09T04:51:30.841Z"},{"error":"AxiosError: Request failed with status code 429\n    at Tu (file:///home/vscode/.fnm/node-versions/v22.22.1/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:90:1138)\n    at IncomingMessage.<anonymous> (file:///home/vscode/.fnm/node-versions/v22.22.1/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:91:9781)\n    at IncomingMessage.emit (node:events:531:35)\n    at endReadableNT (node:internal/streams/readable:1698:12)\n    at process.processTicksAndRejections (node:internal/process/task_queues:89:21)\n    at uy6.request (file:///home/vscode/.fnm/node-versions/v22.22.1/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:93:2132)\n    at process.processTicksAndRejections (node:internal/process/task_queues:103:5)\n    at async Ng9 (file:///home/vscode/.fnm/node-versions/v22.22.1/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:890:3054)\n    at async Y (file:///home/vscode/.fnm/node-versions/v22.22.1/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:108:27505)\n    at async vg9 (file:///home/vscode/.fnm/node-versions/v22.22.1/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:890:3197)","timestamp":"2026-03-09T04:51:30.842Z"},{"error":"AxiosError: Request failed with status code 429\n    at Tu (file:///home/vscode/.fnm/node-versions/v22.22.1/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:90:1138)\n    at IncomingMessage.<anonymous> (file:///home/vscode/.fnm/node-versions/v22.22.1/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:91:9781)\n    at IncomingMessage.emit (node:events:531:35)\n    at endReadableNT (node:internal/streams/readable:1698:12)\n    at process.processTicksAndRejections (node:internal/process/task_queues:89:21)\n    at uy6.request (file:///home/vscode/.fnm/node-versions/v22.22.1/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:93:2132)\n    at process.processTicksAndRejections (node:internal/process/task_queues:103:5)\n    at async Ng9 (file:///home/vscode/.fnm/node-versions/v22.22.1/installation/lib/node_modules/@anthropic-ai/claude-code/cli.js:890:3054)\n    at async Y (file:///home/vscode/.fnm/node-versions/v22.22.1/installation/lib/node_modules/@anth…

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