Multiline Input Handling Broken in CLI Prompt

Bug Description
More like a feature request: shift+enter should let you type a new line

Environment Info

• Platform: darwin
• Terminal: Apple_Terminal
• Version: 1.0.56
• Feedback ID: 24f23b1d-2039-4594-846c-d77acb0f5dab

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 A7 (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:797:5848)\n    at file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:709:48013\n    at Q (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:609:14408)\n    at fY (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:709:45724)\n    at QK (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:709:44590)\n    at SB (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:709:50639)","timestamp":"2025-07-21T18:39:39.819Z"},{"error":"Error: ENOENT: no such file or directory, open '/proc/version'\n    at Module.readFileSync (node:fs:443:20)\n    at Object.readFileSync (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:615:7077)\n    at file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:615:8638\n    at Q (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:609:14408)\n    at kT4 (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:709:62815)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)","timestamp":"2025-07-21T18:39:41.279Z"},{"error":"Error: Request was aborted.\n    at dM.makeRequest (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:1266:3840)\n    at processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at runNextTicks (node:internal/process/task_queues:69:3)\n    at process.processTimers (node:internal/timers:540:9)","timestamp":"2025-07-21T19:11:40.911Z"}]