CLI Initialization Failure: Unexpected Termination on Startup

Bug Description
Claude Code stops as soon as it starts and does not continue.

Environment Info

• Platform: darwin
• Terminal: Apple_Terminal
• Version: 1.0.53
• Feedback ID: 7f8e63fc-e493-41d7-b487-edb8eaeb5ae6

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 AI (file:///Users/sarfraz/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:728:6320)\n    at file:///Users/sarfraz/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:640:16554\n    at Q (file:///Users/sarfraz/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:542:14406)\n    at MF (file:///Users/sarfraz/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:640:14339)\n    at zX (file:///Users/sarfraz/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:640:13205)\n    at MB (file:///Users/sarfraz/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:640:19174)","timestamp":"2025-07-17T04:33:39.476Z"}]