Long context compounds
A coding session can accumulate files, tool output, and conversation history. Each new turn can carry more context than the previous one.
Agent loops spend while they fail
When an agent retries the same error class repeatedly, token usage keeps moving even if the task is not moving forward.
Visibility changes behavior
Keeping the Claude Code window and spend visible gives you a chance to compact, clear, pause, or split the task before the session cuts out.