Remove migration code and alembic dependency

scripts/start.sh

@@ -7,7 +7,7 @@
 # installs dependencies, sets up the database, and starts the application.
 #
 # Usage:
-#   ./start.sh [development|production] [--no-install] [--no-migrate]
+#   ./start.sh [development|production] [--no-install]
 #
 # Environment Variables:
 #   ENVIRONMENT: 'development' or 'production' (default: development)
@@ -28,7 +28,6 @@ PROJECT_ROOT="$(dirname "$SCRIPT_DIR")"
 CONDA_ENV="${CONDA_ENV:-AniWorld}"
 ENVIRONMENT="${1:-development}"
 INSTALL_DEPS="${INSTALL_DEPS:-true}"
-RUN_MIGRATIONS="${RUN_MIGRATIONS:-true}"
 PORT="${PORT:-8000}"
 HOST="${HOST:-127.0.0.1}"
 
@@ -104,20 +103,6 @@ install_dependencies() {
     log_success "Dependencies installed."
 }
 
-# Run database migrations
-run_migrations() {
-    if [[ "$RUN_MIGRATIONS" != "true" ]]; then
-        log_warning "Skipping database migrations."
-        return
-    fi
-
-    log_info "Running database migrations..."
-    cd "$PROJECT_ROOT"
-    conda run -n "$CONDA_ENV" \
-        python -m alembic upgrade head 2>/dev/null || log_warning "No migrations to run."
-    log_success "Database migrations completed."
-}
-
 # Initialize database
 init_database() {
     log_info "Initializing database..."
@@ -220,10 +205,6 @@ main() {
                 INSTALL_DEPS="false"
                 shift
                 ;;
-            --no-migrate)
-                RUN_MIGRATIONS="false"
-                shift
-                ;;
             *)
                 ENVIRONMENT="$1"
                 shift
@@ -237,7 +218,6 @@ main() {
     create_env_file
     install_dependencies
     init_database
-    run_migrations
     start_application
 }