[DB] Fix migration 013: MySQL 8.0 compat + script deploy idempotente

- Rimosso ADD COLUMN IF NOT EXISTS (non supportato MySQL 8.0 standard)
- Aggiunto deploy_013.sh: script bash idempotente con check information_schema

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

docs/sql/013_license_ext.sql

@@ -7,24 +7,23 @@
 USE nis2_agile_db;
 
 -- ── invites: campi commerciali aggiuntivi ──────────────────────────────────
+-- NOTA: MySQL 8.0 non supporta ADD COLUMN IF NOT EXISTS (solo NDB).
+-- Eseguire questo file con: mysql -e "source /path/013_license_ext.sql"
+-- oppure usare lo script shell deploy_013.sh nella stessa cartella.
 
--- Numero massimo di utenti per organizzazione (NULL = illimitato)
 ALTER TABLE invites
-    ADD COLUMN IF NOT EXISTS max_users_per_org SMALLINT UNSIGNED NULL DEFAULT NULL AFTER max_uses;
+    ADD COLUMN max_users_per_org SMALLINT UNSIGNED NULL DEFAULT NULL AFTER max_uses;
 
--- Prezzo di listino (solo riferimento, non enforced da NIS2)
 ALTER TABLE invites
-    ADD COLUMN IF NOT EXISTS price_eur DECIMAL(8,2) NULL DEFAULT NULL AFTER max_users_per_org;
+    ADD COLUMN price_eur DECIMAL(8,2) NULL DEFAULT NULL AFTER max_users_per_org;
 
--- Nome reseller / partner che ha acquistato la licenza
 ALTER TABLE invites
-    ADD COLUMN IF NOT EXISTS reseller_name VARCHAR(128) NULL DEFAULT NULL AFTER price_eur;
+    ADD COLUMN reseller_name VARCHAR(128) NULL DEFAULT NULL AFTER price_eur;
 
 -- ── organizations: limite utenti dalla licenza ─────────────────────────────
 
--- Numero massimo utenti per org (valorizzato al provisioning)
 ALTER TABLE organizations
-    ADD COLUMN IF NOT EXISTS license_max_users SMALLINT UNSIGNED NULL DEFAULT NULL AFTER license_expires_at;
+    ADD COLUMN license_max_users SMALLINT UNSIGNED NULL DEFAULT NULL AFTER license_expires_at;
 
 -- ── Verifica ──────────────────────────────────────────────────────────────
 SELECT

docs/sql/deploy_013.sh

@@ -0,0 +1,47 @@
+#!/bin/bash
+# Deploy migration 013 su MySQL 8.0 (idempotente)
+# Uso: bash deploy_013.sh  (da /var/www/nis2-agile)
+# Richiede: DB_NAME, DB_USER, DB_PASS dal .env o da variabili d'ambiente
+
+set -e
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+ENV_FILE="$(dirname "$SCRIPT_DIR")/.env"
+
+# Carica .env se presente
+if [ -f "$ENV_FILE" ]; then
+    export $(grep -v '^#' "$ENV_FILE" | grep -E '^DB_' | xargs)
+fi
+
+DB_NAME="${DB_NAME:-nis2_agile_db}"
+DB_USER="${DB_USER:-nis2_user}"
+DB_PASS="${DB_PASS:-}"
+DB_HOST="${DB_HOST:-localhost}"
+
+MYSQL="mysql -h$DB_HOST -u$DB_USER -p$DB_PASS $DB_NAME"
+
+add_column_if_missing() {
+    local table=$1 column=$2 definition=$3 after=$4
+    EXISTS=$($MYSQL -sN -e "
+        SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
+        WHERE TABLE_SCHEMA='$DB_NAME' AND TABLE_NAME='$table' AND COLUMN_NAME='$column';
+    ")
+    if [ "$EXISTS" -eq 0 ]; then
+        echo "  + ADD COLUMN $table.$column"
+        $MYSQL -e "ALTER TABLE $table ADD COLUMN $column $definition AFTER $after;"
+    else
+        echo "  . SKIP $table.$column (già presente)"
+    fi
+}
+
+echo "=== Migration 013: License Ext ==="
+
+# invites
+add_column_if_missing invites max_users_per_org "SMALLINT UNSIGNED NULL DEFAULT NULL" max_uses
+add_column_if_missing invites price_eur         "DECIMAL(8,2) NULL DEFAULT NULL"     max_users_per_org
+add_column_if_missing invites reseller_name     "VARCHAR(128) NULL DEFAULT NULL"      price_eur
+
+# organizations
+add_column_if_missing organizations license_max_users "SMALLINT UNSIGNED NULL DEFAULT NULL" license_expires_at
+
+echo "=== Migration 013 completata. ==="