cli should not emit control characters in JSON output mode or when no tty

[pandemicsyn]

Context

Right now if you use --json or do a --auto and redirect to a file, you end up with unexpected control chars in the nd-json or file.

Implementation

Screenshots

Sample:

❯ kilocode --auto --json "Say hi" | cat -v | head -n 5
^[]0;Kilo Code - tmp^G^[[2J^[[3J^[[H^[[?2004h{"timestamp":1,"source":"cli","id":"msg-1763415435555-3743","type":"welcome","content":"","metadata":{"welcomeOptions":{"clearScreen":false,"showInstructions":false,"instructions":[]}}}

^[[2K^[[1A^[[2K^[[G{"timestamp":1763415435573,"source":"extension","type":"say","say":"text","content":"Say hi"}

^[[2K^[[1A^[[2K^[[G{"timestamp":1763415435581,"source":"extension","type":"say","say":"api_req_started","metadata":{"apiProtocol":"openai"}}

/tmp 9s
❯ kilocode --auto "Say hi" > sample.txt && cat -v sample.txt | head -n 5
^[]0;Kilo Code - tmp^G^[[2J^[[3J^[[H^[[?2004h

 ⣿⡿⠿⠿⠿⠿⠿⠿⠿⠿⠿⠿⠿⠿⠿⠿⠿⠿⢿⣿
 ⣿�M-^G�M-^@�M-^@�M-^@�M-^@�M-^@�M-^@�M-^@�M-^@�M-^@�M-^@�M-^@�M-^@�M-^@�M-^@�M-^@�M-^@⢸⣿     �M-^VM-^H�M-^VM-^H�M-^VM-^H�M-^VM-^H�M-^VM-^H   �M-^VM-

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