Standardize deployment env and deployer handling

scripts/deployment/check-env-requirements.sh

@@ -5,19 +5,17 @@
 
 set -e
 
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PROJECT_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
+if [[ -f "$SCRIPT_DIR/../lib/deployment/dotenv.sh" ]]; then
+    # shellcheck disable=SC1090
+    source "$SCRIPT_DIR/../lib/deployment/dotenv.sh"
+    load_deployment_env --repo-root "$PROJECT_ROOT"
+fi
+
 echo "=== Environment Variables Requirements Check ==="
 echo ""
 
-# Check if .env exists
-if [ -f .env ]; then
-    echo "✓ .env file exists"
-    source .env
-else
-    echo "✗ .env file not found"
-    echo "  Create it from .env.template or manually"
-    echo ""
-fi
-
 echo ""
 echo "=== Required Variables (Must Be Set) ==="
 echo ""
@@ -32,7 +30,7 @@ REQUIRED_ALL=(
 
 MISSING_REQUIRED=()
 for var in "${REQUIRED_ALL[@]}"; do
-    if [ -z "${!var}" ] || [ "${!var}" == "0x..." ] || [ "${!var}" == "your_etherscan_api_key" ] || [ "${!var}" == "http://chain138.example.com:8545" ]; then
+    if [ -z "${!var:-}" ] || [ "${!var:-}" == "0x..." ] || [ "${!var:-}" == "your_etherscan_api_key" ] || [ "${!var:-}" == "http://chain138.example.com:8545" ]; then
         echo "✗ $var: NOT SET or using placeholder"
         MISSING_REQUIRED+=("$var")
     else
@@ -180,6 +178,13 @@ else
     echo "Please set these variables in .env file before deployment"
 fi
 
+echo ""
+echo "=== External Dependency Blockers ==="
+echo ""
+if ! bash "$PROJECT_ROOT/scripts/verify/check-external-dependencies.sh" --advisory; then
+    true
+fi
+
 echo ""
 echo "=== Next Steps ==="
 echo ""
@@ -194,4 +199,3 @@ else
 fi
 
 echo ""
-