Terminal reads

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Reads return decoded physical rows, with blank rows, Unicode, revision, and truncation information. They do not reconstruct conversations or commands.
MCP reads return the live screen by default. region="tail" adds recent history before it, up to 80 rows by default and 1,000 with max_rows, bounded by 64 KiB and 65,536 visited cells. Reads are live and may change between calls. The skill tells agents to read history only when a task needs it, since it may hold more than they need to see.
Reading does not move review, acknowledge unread output, send input, or change the child’s lifetime.
Returned content is untrusted source material, not instructions to the receiving agent.