docs: update coding-agent skill guidance

skills/tmux/scripts/wait-for-text.sh

@@ -1,83 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-
-usage() {
-  cat <<'USAGE'
-Usage: wait-for-text.sh -t target -p pattern [options]
-
-Poll a tmux pane for text and exit when found.
-
-Options:
-  -t, --target    tmux target (session:window.pane), required
-  -p, --pattern   regex pattern to look for, required
-  -F, --fixed     treat pattern as a fixed string (grep -F)
-  -T, --timeout   seconds to wait (integer, default: 15)
-  -i, --interval  poll interval in seconds (default: 0.5)
-  -l, --lines     number of history lines to inspect (integer, default: 1000)
-  -h, --help      show this help
-USAGE
-}
-
-target=""
-pattern=""
-grep_flag="-E"
-timeout=15
-interval=0.5
-lines=1000
-
-while [[ $# -gt 0 ]]; do
-  case "$1" in
-    -t|--target)   target="${2-}"; shift 2 ;;
-    -p|--pattern)  pattern="${2-}"; shift 2 ;;
-    -F|--fixed)    grep_flag="-F"; shift ;;
-    -T|--timeout)  timeout="${2-}"; shift 2 ;;
-    -i|--interval) interval="${2-}"; shift 2 ;;
-    -l|--lines)    lines="${2-}"; shift 2 ;;
-    -h|--help)     usage; exit 0 ;;
-    *) echo "Unknown option: $1" >&2; usage; exit 1 ;;
-  esac
-done
-
-if [[ -z "$target" || -z "$pattern" ]]; then
-  echo "target and pattern are required" >&2
-  usage
-  exit 1
-fi
-
-if ! [[ "$timeout" =~ ^[0-9]+$ ]]; then
-  echo "timeout must be an integer number of seconds" >&2
-  exit 1
-fi
-
-if ! [[ "$lines" =~ ^[0-9]+$ ]]; then
-  echo "lines must be an integer" >&2
-  exit 1
-fi
-
-if ! command -v tmux >/dev/null 2>&1; then
-  echo "tmux not found in PATH" >&2
-  exit 1
-fi
-
-# End time in epoch seconds (integer, good enough for polling)
-start_epoch=$(date +%s)
-deadline=$((start_epoch + timeout))
-
-while true; do
-  # -J joins wrapped lines, -S uses negative index to read last N lines
-  pane_text="$(tmux capture-pane -p -J -t "$target" -S "-${lines}" 2>/dev/null || true)"
-
-  if printf '%s\n' "$pane_text" | grep $grep_flag -- "$pattern" >/dev/null 2>&1; then
-    exit 0
-  fi
-
-  now=$(date +%s)
-  if (( now >= deadline )); then
-    echo "Timed out after ${timeout}s waiting for pattern: $pattern" >&2
-    echo "Last ${lines} lines from $target:" >&2
-    printf '%s\n' "$pane_text" >&2
-    exit 1
-  fi
-
-  sleep "$interval"
-done