[Bug] SSH Non-Interactive Terminal Allocation Fails for Claude Code

Bug Description
Recently Started getting the message of ⎿  Pseudo-terminal will not be allocated because stdin is not a terminal. After every SSH session that claude-code open for connecting to the remote server uisng public key and alias defined in .ssh/config . I do not face any such issues during normal SSH command using alias . Here is an example line for your reference Bash(ssh streaming "sudo sed -i '101s/.*/printf \" \${CYAN}%-14s\${NC} %-28s \${CYAN}%-22s\${NC} \${BLUE_LIGHT}%s\${NC}\\\\n\" \"Memory usage:\" \"\${MEM_COLOR}\${M…)
⎿  Pseudo-terminal will not be allocated because stdin is not a terminal.

Environment Info

• Platform: linux
• Terminal: gnome-terminal
• Version: 2.0.1
• Feedback ID: 67cd8f30-642b-4811-a706-0f282e6889f5

Errors

[{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at QK (file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1741:1183)\n    at file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1741:911\n    at Array.map (<anonymous>)\n    at xX (file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1741:902)\n    at dJB (file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:2847:9380)\n    at CC (file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:34:19415)\n    at Fp (file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:42814)\n    at I9 (file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:38355)\n    at Ch (file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:38283)\n    at TC (file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:38137)","timestamp":"2025-09-30T15:06:07.847Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at QK (file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1741:1183)\n    at file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1741:911\n    at Array.map (<anonymous>)\n    at xX (file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1741:902)\n    at dJB (file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:2847:9380)\n    at CC (file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:34:19415)\n    at Fp (file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:42814)\n    at I9 (file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:38355)\n    at Ch (file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:38283)\n    at TC (file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:38137)","timestamp":"2025-09-30T15:06:07.847Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at QK (file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1741:1183)\n    at file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1741:911\n    at Array.map (<anonymous>)\n    at xX (file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1741:902)\n    at dJB (file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:2847:9380)\n    at CC (file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:34:19415)\n    at Fp (file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:42814)\n    at I9 (file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:38355)\n    at Ch (file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:38283)\n    at TC (file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:38137)","timestamp":"2025-09-30T15:06:07.856Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at QK (file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1741:1183)\n    at file:///home/admin/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1741:911\n    at Array.map (<anonymous>)\n    

Note: Error logs were truncated.