fix: preserve local env overrides in shell pipelines

scripts/apply_migration.sh

@@ -4,14 +4,8 @@ set -euo pipefail
 ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
 cd "$ROOT_DIR"
 
-if [[ -f ".env.local" ]]; then
-  # shellcheck disable=SC1091
-  source ".env.local"
-fi
-if [[ -f ".env" ]]; then
-  # shellcheck disable=SC1091
-  source ".env"
-fi
+while IFS= read -r kv; do export "$kv"; done < <("$ROOT_DIR/scripts/load_project_env.sh" ".env.local")
+while IFS= read -r kv; do key="${kv%%=*}"; [[ -n "$key" && -n "${!key:-}" ]] && continue; export "$kv"; done < <("$ROOT_DIR/scripts/load_project_env.sh" ".env")
 
 if [[ -z "${DATABASE_URL:-}" ]]; then
   echo "DATABASE_URL 未设置" >&2