Intermittent Execution Halt with Unresponsive CLI State

Bug Description
Occasionally Claude code just stops execution. The prompt is not canceled by me, nor are there any errors. It will usually briefly continue if I type "resume" or similar, but then freezes up again.

Environment Info

• Platform: darwin
• Terminal: tmux
• Version: 1.0.54
• Feedback ID: ad0f6312-d6e4-4509-a264-d431b7ad5ec7

Errors

[{"error":"Error: Command failed: security find-generic-password -a $USER -w -s \"Claude Code\"\nsecurity: SecKeychainSearchCopyNext: The specified item could not be found in the keychain.\n\n    at genericNodeError (node:internal/errors:983:15)\n    at wrappedFn (node:internal/errors:537:14)\n    at checkExecSyncError (node:child_process:882:11)\n    at execSync (node:child_process:954:15)\n    at DI (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:730:2037)\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:640:41635\n    at Q (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:542:14406)\n    at PF (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:640:39420)\n    at $X (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:640:38286)\n    at MB (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:640:44255)","timestamp":"2025-07-17T04:30:12.259Z"}]