Agent Response Generation Failure: Empty Output from Claude API

Bug Description
AGENTS have NO RESPONSE! EMPTY REPONSE! WHY?

Environment Info

• Platform: darwin
• Terminal: iTerm.app
• Version: 1.0.53
• Feedback ID: fbee826a-c355-4b76-bc02-648368ad6b7b

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 checkExecSyncError (node:child_process:885:11)\n    at execSync (node:child_process:957:15)\n    at AI (file:///Users/plainwu/.nodenv/versions/19.4.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:728:6320)\n    at file:///Users/plainwu/.nodenv/versions/19.4.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:640:16554\n    at Q (file:///Users/plainwu/.nodenv/versions/19.4.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:542:14406)\n    at MF (file:///Users/plainwu/.nodenv/versions/19.4.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:640:14339)\n    at zX (file:///Users/plainwu/.nodenv/versions/19.4.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:640:13205)\n    at MB (file:///Users/plainwu/.nodenv/versions/19.4.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:640:19174)\n    at HF0 (file:///Users/plainwu/.nodenv/versions/19.4.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:640:19332)","timestamp":"2025-07-17T04:19:43.697Z"}]