API Connection Failure: Unable to Establish Service Connection

Bug Description
API error!? I have not been able to use the service and I am paying top dollar.

Environment Info

• Platform: darwin
• Terminal: Apple_Terminal
• Version: 1.0.53
• Feedback ID: 428e2191-d0bf-424a-8c59-1ba8c162107e

Errors

[{"error":"Error: Command failed: security find-generic-password -a $USER -w -s \"Claude Code\"\nsecurity: SecKeychainSearchCopyNext: The specified item could not be found in the keychain.\n\n    at genericNodeError (node:internal/errors:983:15)\n    at wrappedFn (node:internal/errors:537:14)\n    at checkExecSyncError (node:child_process:892:11)\n    at execSync (node:child_process:964:15)\n    at AI (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:728:6320)\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:640:16554\n    at Q (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:542:14406)\n    at MF (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:640:14339)\n    at zX (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:640:13205)\n    at MB (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:640:19174)","timestamp":"2025-07-16T20:09:07.644Z"},{"error":"RangeError [ERR_CHILD_PROCESS_STDIO_MAXBUFFER]: stdout maxBuffer length exceeded\n    at Socket.onChildStdout (node:child_process:482:14)\n    at Socket.emit (node:events:507:28)\n    at Socket.emit (node:domain:489:12)\n    at addChunk (node:internal/streams/readable:559:12)\n    at readableAddChunkPushByteMode (node:internal/streams/readable:510:3)\n    at Readable.push (node:internal/streams/readable:390:5)\n    at Pipe.onStreamRead (node:internal/stream_base_commons:189:23)","timestamp":"2025-07-16T20:09:10.195Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"system: Invalid model name\"}}\n    at eQ.generate (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1180:6428)\n    at k$.makeStatusError (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1197:2101)\n    at k$.makeRequest (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1197:5315)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async aB1.showErrors (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2594:14107)\n    at async aB1 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2140:1658)\n    at async qBB (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2594:13956)\n    at async file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2594:9065\n    at async DIA (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2594:1626)\n    at async Yp (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2594:9035)","timestamp":"2025-07-16T20:09:14.180Z"}]