Keyboard Shortcut Failure: Shift+Enter Line Break Not Working

Bug Description
I can't use shift + enter to change line, don't know why

Environment Info

• Platform: darwin
• Terminal: WarpTerminal
• Version: 1.0.31
• Feedback ID:

Errors

[{"error":"Error: Language not supported while highlighting code, falling back to markdown: mdx\n    at file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1370:418\n    at Object.useMemo (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:80:26276)\n    at HV9.useMemo (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:46:15576)\n    at YW (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1370:312)\n    at xE (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:80:19803)\n    at mT (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:82:42555)\n    at gT (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:82:38104)\n    at qq (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:82:38032)\n    at eE (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:82:37886)\n    at lW (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:82:34976)","timestamp":"2025-06-22T05:19:25.625Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: mdx\n    at file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1370:418\n    at Object.useMemo (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:80:26276)\n    at HV9.useMemo (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:46:15576)\n    at YW (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1370:312)\n    at xE (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:80:19803)\n    at mT (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:82:42555)\n    at gT (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:82:38104)\n    at qq (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:82:38032)\n    at eE (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:82:37886)\n    at lW (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:82:34976)","timestamp":"2025-06-22T05:19:25.626Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: mdx\n    at file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1370:418\n    at Object.useMemo (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:80:26276)\n    at HV9.useMemo (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:46:15576)\n    at YW (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1370:312)\n    at xE (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:80:19803)\n    at mT (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:82:42555)\n    at gT (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:82:38104)\n    at qq (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:82:38032)\n    at eE (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:82:37886)\n    at lW (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:82:34976)","timestamp":"2025-06-22T05:20:52.790Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: mdx\n    at file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1370:418\n    at Object.useMemo (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:80:26276)\n    at HV9.useMemo (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:46:15576)\n    at YW (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1370:312)\n    at xE (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:80:19803)\n    at mT (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:82:42555)\n    at gT (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:82:38104)\n    at qq (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:82:38032)\n    at eE (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:82:37886)\n    at lW (file:///Users/zzn/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:82:34976)","timestamp":"2025-06-22T05:20:52.812Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: mdx\n    at file:///Users/zzn/.claude/local/node_modu

Note: Error logs were truncated.