chore: add local dev script for Gateway + Desktop with Telegram bot

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

scripts/dev-local.sh

@@ -0,0 +1,50 @@
+#!/usr/bin/env bash
+#
+# Local development: Gateway (with Telegram bot) + Desktop
+#
+# Usage:
+#   pnpm dev:local
+#
+# Reads TELEGRAM_BOT_TOKEN from .env at the repo root.
+# Gateway runs in long-polling mode (no TELEGRAM_WEBHOOK_URL needed).
+# Desktop connects to the local Gateway at http://localhost:3000.
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+ROOT_DIR="$SCRIPT_DIR/.."
+ENV_FILE="$ROOT_DIR/.env"
+
+# Load .env
+if [ ! -f "$ENV_FILE" ]; then
+  echo "Error: .env file not found at $ENV_FILE"
+  echo "Copy .env.example to .env and fill in TELEGRAM_BOT_TOKEN"
+  exit 1
+fi
+
+set -a
+source "$ENV_FILE"
+set +a
+
+if [ -z "${TELEGRAM_BOT_TOKEN:-}" ]; then
+  echo "Error: TELEGRAM_BOT_TOKEN not set in .env"
+  exit 1
+fi
+
+echo "Starting local dev environment..."
+echo "  Gateway:  http://localhost:3000 (Telegram long-polling mode)"
+echo "  Desktop:  connecting to local Gateway"
+echo ""
+
+# Build shared packages first
+pnpm turbo build --filter=@multica/types --filter=@multica/utils --filter=@multica/core
+
+# Start everything
+exec pnpm concurrently \
+  -n types,utils,core,gateway,desktop \
+  -c blue,green,yellow,magenta,cyan \
+  "pnpm --filter @multica/types dev" \
+  "pnpm --filter @multica/utils dev" \
+  "pnpm --filter @multica/core dev" \
+  "pnpm --filter @multica/gateway dev" \
+  "GATEWAY_URL=http://localhost:3000 pnpm --filter @multica/desktop dev"