[Bug] High CPU usage during idle state

Bug Description
Claude is using a steady 3% of the CPU being idle

Environment Info

• Platform: win32
• Terminal: windows-terminal
• Version: 2.1.30
• Feedback ID: 28fe24a8-e3dd-426e-8a62-4ad91dfd249f

Errors

[{"error":"AbortError: The operation was aborted.\n    at unknown\n    at abortChildProcess (node:child_process:947:42)\n    at onAbortListener2 (node:child_process:35:24)\n    at abort (unknown)\n    at <anonymous> (B:/~BUN/root/claude.exe:3081:209)","timestamp":"2026-02-03T18:49:41.521Z"},{"error":"Error: Failed to fetch version from https://storage.googleapis.com/claude-code-dist-86c565f3-f756-42ad-8dfa-d59b1c096819/claude-code-releases/latest: ECONNREFUSED\n    at b4E (B:/~BUN/root/claude.exe:3618:4064)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-03T19:25:09.912Z"},{"error":"Error: Failed to fetch version from https://storage.googleapis.com/claude-code-dist-86c565f3-f756-42ad-8dfa-d59b1c096819/claude-code-releases/latest: ECONNREFUSED\n    at b4E (B:/~BUN/root/claude.exe:3618:4064)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-03T19:25:09.913Z"},{"error":"Error: Failed to fetch version from https://storage.googleapis.com/claude-code-dist-86c565f3-f756-42ad-8dfa-d59b1c096819/claude-code-releases/latest: ECONNREFUSED\n    at b4E (B:/~BUN/root/claude.exe:3618:4064)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-04T00:51:50.737Z"},{"error":"Error: Failed to fetch version from https://storage.googleapis.com/claude-code-dist-86c565f3-f756-42ad-8dfa-d59b1c096819/claude-code-releases/latest: ECONNREFUSED\n    at b4E (B:/~BUN/root/claude.exe:3618:4064)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-04T00:51:50.739Z"},{"error":"Error: 1P event logging: 3 events failed to export (code=FailedToOpenSocket, Was there a typo in the url or port?)\n    at queueFailedEvents (B:/~BUN/root/claude.exe:222:2350)\n    at async doExport (B:/~BUN/root/claude.exe:222:1257)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-04T00:51:56.067Z"},{"error":"Error: {\"message\":\"Failed to export 3 events (code=FailedToOpenSocket, Was there a typo in the url or port?)\",\"originalLine\":\"222\",\"originalColumn\":\"1409\",\"line\":\"222\",\"column\":\"1409\",\"sourceURL\":\"B:/~BUN/root/claude.exe\",\"stack\":\"Error: Failed to export 3 events (code=FailedToOpenSocket, Was there a typo in the url or port?)\\n    at doExport (B:/~BUN/root/claude.exe:222:1409)\\n    at processTicksAndRejections (native:7:39)\",\"name\":\"Error\"}\n    at error (B:/~BUN/root/claude.exe:1744:25028)\n    at <anonymous> (B:/~BUN/root/claude.exe:186:59049)\n    at hK0 (B:/~BUN/root/claude.exe:186:59593)\n    at <anonymous> (B:/~BUN/root/claude.exe:187:17366)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-04T00:51:56.108Z"},{"error":"Error: Failed to fetch version from https://storage.googleapis.com/claude-code-dist-86c565f3-f756-42ad-8dfa-d59b1c096819/claude-code-releases/latest: ECONNREFUSED\n    at b4E (B:/~BUN/root/claude.exe:3618:4064)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-04T08:02:57.883Z"},{"error":"Error: Failed to fetch version from https://storage.googleapis.com/claude-code-dist-86c565f3-f756-42ad-8dfa-d59b1c096819/claude-code-releases/latest: ECONNREFUSED\n    at b4E (B:/~BUN/root/claude.exe:3618:4064)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-04T08:02:57.885Z"},{"error":"Error: 1P event logging: 3 events failed to export (code=FailedToOpenSocket, Was there a typo in the url or port?)\n    at queueFailedEvents (B:/~BUN/root/claude.exe:222:2350)\n    at async doExport (B:/~BUN/root/claude.exe:222:1257)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-04T08:03:02.642Z"},{"error":"Error: {\"message\":\"Failed to export 3 events (code=FailedToOpenSocket, Was there a typo in the url or port?)\",\"originalLine\":\"222\",\"originalColumn\":\"1409\",\"line\":\"222\",\"column\":\"1409\",\"sourceURL\":\"B:/~BUN/root/claude.exe\",\"stack\":\"Error: Failed to export 3 events (code=FailedToOpenSocket, Was there a typo in the url or port?)\\n    at doExport (B:/~BUN/root/claude.exe:222:1409)\\n    at processTicksAndRejections (native:7:39)\",\"name\":\"Error\"}\n    at error (B:/~BUN/root/claude.exe:1744:25028)\n    at <anonymous> (B:/~BUN/root/claude.exe:186:59049)\n    at hK0 (B:/~BUN/root/claude.exe:186:59593)\n    at <anonymous> (B:/~BUN/root/claude.exe:187:17366)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-04T08:03:02.644Z"},{"error":"Error: Failed to fetch version from https://storage.googleapis.com/claude-code-dist-86c565f3-f756-42ad-8dfa-d59b1c096819/claude-code-releases/latest: ECONNREFUSED\n    at b4E (B:/~BUN/root/claude.exe:3618:4064)\n    at…

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