{
  "description": "Send detailed Telegram notifications with session information when Claude Code finishes. Includes working directory, session duration, and system info. Requires TELEGRAM_BOT_TOKEN and TELEGRAM_CHAT_ID environment variables.",
  "hooks": {
    "SessionStart": [
      {
        "matcher": "startup",
        "hooks": [
          {
            "type": "command",
            "command": "if [[ -n \"$TELEGRAM_BOT_TOKEN\" && -n \"$TELEGRAM_CHAT_ID\" ]]; then echo \"$(date +%s)\" > ~/.claude/session_start.tmp; PROJECT_DIR=\"$(basename \"$(pwd)\")\" && MESSAGE=\"🚀 <b>Claude Code Session Started</b>%0A📁 Project: $PROJECT_DIR%0A⏰ Time: $(date '+%H:%M:%S')%0A📅 Date: $(date '+%Y-%m-%d')\"; curl -s -X POST \"https://api.telegram.org/bot$TELEGRAM_BOT_TOKEN/sendMessage\" -d \"chat_id=$TELEGRAM_CHAT_ID\" -d \"text=$MESSAGE\" -d \"parse_mode=HTML\" >/dev/null 2>&1; fi"
          }
        ]
      }
    ],
    "Stop": [
      {
        "hooks": [
          {
            "type": "command",
            "command": "if [[ -n \"$TELEGRAM_BOT_TOKEN\" && -n \"$TELEGRAM_CHAT_ID\" ]]; then END_TIME=\"$(date +%s)\"; if [[ -f ~/.claude/session_start.tmp ]]; then START_TIME=\"$(cat ~/.claude/session_start.tmp)\"; DURATION=\"$((END_TIME - START_TIME))\"; MINUTES=\"$((DURATION / 60))\"; SECONDS=\"$((DURATION % 60))\"; DURATION_TEXT=\"${MINUTES}m ${SECONDS}s\"; rm -f ~/.claude/session_start.tmp; else DURATION_TEXT=\"Unknown\"; fi; PROJECT_DIR=\"$(basename \"$(pwd)\")\"; MEMORY_MB=\"$(ps -o rss= -p $$ 2>/dev/null | awk '{print int($1/1024)}' || echo 'N/A')\"; MESSAGE=\"✅ <b>Claude Code Session Completed</b>%0A📁 Project: $PROJECT_DIR%0A⏱️ Duration: $DURATION_TEXT%0A💾 Memory Used: ${MEMORY_MB}MB%0A⏰ Finished: $(date '+%H:%M:%S')%0A📅 Date: $(date '+%Y-%m-%d')\"; curl -s -X POST \"https://api.telegram.org/bot$TELEGRAM_BOT_TOKEN/sendMessage\" -d \"chat_id=$TELEGRAM_CHAT_ID\" -d \"text=$MESSAGE\" -d \"parse_mode=HTML\" >/dev/null 2>&1 || echo \"Failed to send detailed Telegram notification\"; else echo \"⚠️ Detailed Telegram notification skipped: Set TELEGRAM_BOT_TOKEN and TELEGRAM_CHAT_ID\"; fi"
          }
        ]
      }
    ]
  }
}