Accessibility First Statusline

#!/usr/bin/env bash

# Accessibility-First Statusline for Claude Code
# WCAG 2.1 AA compliant, screen reader friendly, high contrast

# Read JSON from stdin
read -r input

# Extract values
model=$(echo "$input" | jq -r '.model // "unknown"')
dir=$(echo "$input" | jq -r '.workspace.path // "~"' | sed "s|$HOME|~|")
tokens=$(echo "$input" | jq -r '.session.totalTokens // 0')

# Check for PREFERS_REDUCED_MOTION environment variable
if [ "$PREFERS_REDUCED_MOTION" = "1" ]; then
  # No animations, static display
  animation=""
else
  # Minimal indicator (not flashing)
  animation="▪"
fi

# High contrast WCAG AA compliant colors
# Contrast ratio > 4.5:1 against black background
# Using basic ANSI colors for maximum compatibility
WHITE_BOLD="\033[1;37m"    # Bright white (high contrast)
CYAN_BOLD="\033[1;36m"     # Bright cyan (high contrast)
YELLOW_BOLD="\033[1;33m"   # Bright yellow (high contrast)
RESET="\033[0m"

# Semantic labels (screen reader friendly)
LABEL_MODEL="Model:"
LABEL_DIR="Directory:"
LABEL_TOKENS="Tokens:"

# Build statusline with semantic structure
statusline=""
statusline+="${animation} "  # Activity indicator (if motion enabled)
statusline+="${WHITE_BOLD}${LABEL_MODEL}${RESET} ${CYAN_BOLD}${model}${RESET} | "
statusline+="${WHITE_BOLD}${LABEL_DIR}${RESET} ${CYAN_BOLD}${dir}${RESET} | "
statusline+="${WHITE_BOLD}${LABEL_TOKENS}${RESET} ${YELLOW_BOLD}${tokens}${RESET}"

# Output for visual display
echo -e "$statusline"

# Screen reader announcement (stderr for assistive tech)
# Only announce on significant changes (every 1000 tokens)
token_threshold=$((tokens / 1000 * 1000))
if [ -f "/tmp/claude_statusline_last_tokens" ]; then
  last_tokens=$(cat /tmp/claude_statusline_last_tokens)
else
  last_tokens=0
fi

if [ $token_threshold -ne $((last_tokens / 1000 * 1000)) ]; then
  # Announce to screen reader (ARIA live region style)
  echo "Status update: Using $model in directory $dir. Token count: $tokens." >&2
  echo $tokens > /tmp/claude_statusline_last_tokens
fi

# Keyboard navigation hint (on first run)
if [ ! -f "/tmp/claude_statusline_initialized" ]; then
  echo "Accessibility mode enabled. Press Ctrl+C to interrupt, Tab for completion suggestions." >&2
  touch /tmp/claude_statusline_initialized
fi

{
  "format": "bash",
  "position": "left",
  "colorScheme": "high-contrast-wcag",
  "refreshInterval": 2000
}