added start script

start.sh

@@ -0,0 +1,118 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+VENV_DIR="${FGAI_VENV_DIR:-$ROOT_DIR/.venv}"
+PORT="${FGAI_SYSLOG_PORT:-5514}"
+HOST="${FGAI_SYSLOG_HOST:-0.0.0.0}"
+LOG_FILE="${FGAI_SYSLOG_FILE:-$ROOT_DIR/logs/fg_syslog.jsonl}"
+LISTENER_LOG="${FGAI_LISTENER_LOG:-$ROOT_DIR/logs/fgai-listener.log}"
+PID_FILE="${FGAI_PID_FILE:-$ROOT_DIR/run/fgai-listener.pid}"
+
+usage() {
+    printf 'Usage: %s [start|stop|restart|status|tail|analyze|install]\n' "$0"
+    printf '\nDefault action: start\n'
+    printf '\nEnvironment overrides:\n'
+    printf '  FGAI_SYSLOG_PORT=%s\n' "$PORT"
+    printf '  FGAI_SYSLOG_HOST=%s\n' "$HOST"
+    printf '  FGAI_SYSLOG_FILE=%s\n' "$LOG_FILE"
+    printf '  FGAI_LISTENER_LOG=%s\n' "$LISTENER_LOG"
+}
+
+install_deps() {
+    if [ ! -x "$VENV_DIR/bin/python" ]; then
+        printf 'Creating venv: %s\n' "$VENV_DIR"
+        python3 -m venv "$VENV_DIR"
+    fi
+
+    printf 'Installing/updating fgAI dependencies...\n'
+    "$VENV_DIR/bin/python" -m pip install --upgrade pip
+    "$VENV_DIR/bin/python" -m pip install -e "$ROOT_DIR"
+}
+
+is_running() {
+    [ -f "$PID_FILE" ] && kill -0 "$(cat "$PID_FILE")" 2>/dev/null
+}
+
+start_listener() {
+    install_deps
+    mkdir -p "$(dirname "$LOG_FILE")" "$(dirname "$LISTENER_LOG")" "$(dirname "$PID_FILE")"
+    touch "$LOG_FILE"
+
+    if is_running; then
+        printf 'fgAI syslog listener already running, pid %s\n' "$(cat "$PID_FILE")"
+        return 0
+    fi
+
+    nohup "$VENV_DIR/bin/fgai" listen-syslog \
+        --host "$HOST" \
+        --port "$PORT" \
+        --output "$LOG_FILE" \
+        --quiet > "$LISTENER_LOG" 2>&1 &
+    printf '%s\n' "$!" > "$PID_FILE"
+
+    printf 'Started fgAI syslog listener, pid %s\n' "$(cat "$PID_FILE")"
+    printf 'Input: udp://%s:%s\n' "$HOST" "$PORT"
+    printf 'Syslog file: %s\n' "$LOG_FILE"
+    printf 'Process log: %s\n' "$LISTENER_LOG"
+}
+
+stop_listener() {
+    if ! is_running; then
+        printf 'fgAI syslog listener is not running\n'
+        rm -f "$PID_FILE"
+        return 0
+    fi
+
+    kill "$(cat "$PID_FILE")"
+    rm -f "$PID_FILE"
+    printf 'Stopped fgAI syslog listener\n'
+}
+
+status_listener() {
+    if is_running; then
+        printf 'fgAI syslog listener running, pid %s\n' "$(cat "$PID_FILE")"
+        printf 'Input: udp://%s:%s\n' "$HOST" "$PORT"
+        printf 'Syslog file: %s\n' "$LOG_FILE"
+        return 0
+    fi
+
+    printf 'fgAI syslog listener is not running\n'
+    return 1
+}
+
+command="${1:-start}"
+case "$command" in
+    start)
+        start_listener
+        ;;
+    stop)
+        stop_listener
+        ;;
+    restart)
+        stop_listener
+        start_listener
+        ;;
+    status)
+        status_listener
+        ;;
+    tail)
+        mkdir -p "$(dirname "$LOG_FILE")"
+        touch "$LOG_FILE"
+        tail -f "$LOG_FILE"
+        ;;
+    analyze)
+        install_deps
+        "$VENV_DIR/bin/fgai" analyze-logs --logs "$LOG_FILE"
+        ;;
+    install)
+        install_deps
+        ;;
+    -h|--help|help)
+        usage
+        ;;
+    *)
+        usage
+        exit 2
+        ;;
+esac