gitgrip 0.18.0

#!/usr/bin/env bash
# claudemock — lightweight mock agent for testing gr spawn tmux integration.
#
# Simulates an interactive agent session without requiring real Claude/Codex.
# Responds to commands, stays alive until /exit or SIGTERM, and respects
# the AGENT_NAME env var set by gr spawn.

set -euo pipefail

AGENT="${AGENT_NAME:-mock-agent}"
START_TIME=$(date +%s)

# Clean shutdown on SIGTERM (from gr spawn down)
trap 'echo "[$AGENT] Received SIGTERM — shutting down."; exit 0' TERM

# Banner
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "  claudemock — $AGENT"
echo "  PID: $$"
echo "  Started: $(date -u +%Y-%m-%dT%H:%M:%SZ)"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""
echo "Type /help for commands, /exit to quit."
echo ""

while true; do
    # Print prompt
    printf "[%s] > " "$AGENT"

    # Read with timeout so SIGTERM can interrupt
    if ! read -r -t 5 line 2>/dev/null; then
        # Timeout — just loop (keeps agent alive, allows SIGTERM)
        continue
    fi

    # Skip empty lines
    [[ -z "$line" ]] && continue

    case "$line" in
        /exit)
            echo "[$AGENT] Exiting."
            exit 0
            ;;
        /status)
            NOW=$(date +%s)
            UPTIME=$(( NOW - START_TIME ))
            echo "[$AGENT] Agent: $AGENT"
            echo "[$AGENT] PID: $$"
            echo "[$AGENT] Uptime: ${UPTIME}s"
            echo "[$AGENT] Role: ${AGENT_ROLE:-unset}"
            echo "[$AGENT] Channel: ${SYNAPT_CHANNELS:-unset}"
            ;;
        /help)
            echo "[$AGENT] Available commands:"
            echo "  /status  — show agent name, PID, uptime"
            echo "  /help    — show this help"
            echo "  /exit    — clean shutdown"
            echo "  (anything else is echoed back)"
            ;;
        *)
            echo "[$AGENT] echo: $line"
            ;;
    esac
done