[Bug] Session limit jumps 15-20% on new session initialization

Bug Description
I believe there is a new bug when starting a new 5 hours session, the session limit just noticeably jumps usually 15-20% then goes on a normal pace

Environment Info

• Platform: darwin
• Terminal: Apple_Terminal
• Version: 2.1.100
• Feedback ID: 9af8739b-414f-4937-b016-1eac03f40449

Errors

[{"error":"RangeError [ERR_CHILD_PROCESS_STDIO_MAXBUFFER]: stdout maxBuffer length exceeded\n    at Socket.onChildStdout (node:child_process:484:14)\n    at Socket.emit (node:events:508:28)\n    at addChunk (node:internal/streams/readable:559:12)\n    at readableAddChunkPushByteMode (node:internal/streams/readable:510:3)\n    at Readable.push (node:internal/streams/readable:390:5)\n    at Pipe.onStreamRead (node:internal/stream_base_commons:189:23)","timestamp":"2026-04-28T15:03:07.359Z"},{"error":"Error: Failed to delete keychain entry: security: SecKeychainSearchCopyNext: The specified item could not be found in the keychain.\n    at Ajq (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:297:269836)\n    at process.processTicksAndRejections (node:internal/process/task_queues:103:5)\n    at async VBq (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:476:889)\n    at async ry1 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:476:787)\n    at async h78 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:3048:2123)\n    at async vJ6 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:3073:5687)\n    at async file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:3142:3218","timestamp":"2026-04-28T15:03:12.889Z"},{"error":"RangeError [ERR_CHILD_PROCESS_STDIO_MAXBUFFER]: stdout maxBuffer length exceeded\n    at Socket.onChildStdout (node:child_process:484:14)\n    at Socket.emit (node:events:508:28)\n    at addChunk (node:internal/streams/readable:559:12)\n    at readableAddChunkPushByteMode (node:internal/streams/readable:510:3)\n    at Readable.push (node:internal/streams/readable:390:5)\n    at Pipe.onStreamRead (node:internal/stream_base_commons:189:23)","timestamp":"2026-04-28T15:03:31.715Z"}]