{
  "name": "sidebar_survives_linefeed_scroll",
  "cols": 120,
  "rows": 40,
  "scripts": [
    {
      "name": "linefeed-scroll",
      "body": "#!/bin/sh\n# Plain LF at the bottom of the child viewport scrolls the host's\n# DECSTBM region. Because that region spans every column, enough LFs\n# drag the sidebar border and section labels out of the visible region\n# unless patterm invalidates and repaints the sidebar cache.\ni=0\nwhile [ $i -lt 12 ]; do\n  printf 'warmup %02d\\n' \"$i\"\n  i=$((i + 1))\n  sleep 0.05\ndone\nprintf 'LINEFEED READY\\n'\nIFS= read -r _\nprintf '\\033[1;37r'\nprintf '\\033[37;1H'\ni=0\nwhile [ $i -lt 45 ]; do\n  printf 'scroll line %02d\\n' \"$i\"\n  i=$((i + 1))\ndone\nprintf 'LINEFEED DONE\\n'\nsleep 5\n"
    }
  ],
  "steps": [
    {
      "type": "mcp_call",
      "method": "spawn_process",
      "params": { "kind": "command", "argv": ["linefeed-scroll"], "name": "linefeed-scroll" }
    },
    { "type": "wait_text", "contains": "LINEFEED READY", "timeout_ms": 5000 },
    { "type": "wait_stable", "timeout_ms": 2000 },
    { "type": "mark_raw", "save_as": "before_scroll" },
    { "type": "send_chord", "chord": "enter" },
    { "type": "wait_text", "contains": "LINEFEED DONE", "timeout_ms": 5000 },
    {
      "type": "assert_raw_since_regex",
      "from": "before_scroll",
      "regex": "Agent Tree",
      "timeout_ms": 2000
    },
    { "type": "wait_stable", "timeout_ms": 2000 },
    { "type": "assert_contains", "contains": "Processes" },
    { "type": "assert_contains", "contains": "Agent Tree" },
    { "type": "assert_contains", "contains": "Scratchpads" },
    { "type": "assert_contains", "contains": "● linefeed-scroll" }
  ]
}