[Bug] Anthropic API Error: Rate Limit Exceeded Despite Sub-50% Usage

Bug Description
I'm being told that Claude Opus limits have been reached, but this cannot be, as according to the online usage, I'm not even at 50% yet and Opus 4.5 is usable up to my limit. This downgrading is incorrect.

Environment Info

• Platform: linux
• Terminal: konsole
• Version: 2.0.29
• Feedback ID: 16dab0e3-0634-4dc9-9e32-c3f82c5e4a6b

Errors

[{"error":"RangeError [ERR_CHILD_PROCESS_STDIO_MAXBUFFER]: stdout maxBuffer length exceeded\n    at new NodeError (node:internal/errors:405:5)\n    at Socket.onChildStdout (node:child_process:490:14)\n    at Socket.emit (node:events:517:28)\n    at Socket.emit (node:domain:489:12)\n    at addChunk (node:internal/streams/readable:368:12)\n    at readableAddChunk (node:internal/streams/readable:337:11)\n    at Readable.push (node:internal/streams/readable:278:10)\n    at Pipe.onStreamRead (node:internal/stream_base_commons:190:23)","timestamp":"2025-11-27T09:42:26.257Z"},{"error":"WiA: Insufficient permissions for global npm install.\n    at Qv1 (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:1862:998)\n    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)\n    at async yKA (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:1872:43)\n    at async file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:2810:32485","timestamp":"2025-11-27T09:42:27.676Z"}]