diff --git a/cameleer-server-app/src/test/java/com/cameleer/server/app/alerting/storage/SchemaBootstrapIT.java b/cameleer-server-app/src/test/java/com/cameleer/server/app/alerting/storage/SchemaBootstrapIT.java
index 4ec6fe08..dffce3f1 100644
--- a/cameleer-server-app/src/test/java/com/cameleer/server/app/alerting/storage/SchemaBootstrapIT.java
+++ b/cameleer-server-app/src/test/java/com/cameleer/server/app/alerting/storage/SchemaBootstrapIT.java
@@ -115,6 +115,91 @@ class SchemaBootstrapIT extends AbstractPostgresIT {
         assertThat(isUnique).isTrue();
     }
 
+    @Test
+    void licenseTableExists() {
+        // V5 migration: per-tenant license row, PK on tenant_id (one server = one tenant).
+        var rows = jdbcTemplate.queryForList("""
+            SELECT column_name, data_type, is_nullable
+              FROM information_schema.columns
+             WHERE table_name = 'license'
+               AND table_schema = current_schema()
+            """);
+        var byName = new java.util.HashMap<String, java.util.Map<String, Object>>();
+        for (var row : rows) {
+            byName.put((String) row.get("column_name"), row);
+        }
+
+        assertThat(byName).containsKeys(
+            "tenant_id", "license_id", "token", "installed_at",
+            "installed_by", "expires_at", "last_validated_at");
+
+        assertThat(byName.get("tenant_id").get("data_type")).isEqualTo("text");
+        assertThat(byName.get("tenant_id").get("is_nullable")).isEqualTo("NO");
+
+        assertThat(byName.get("license_id").get("data_type")).isEqualTo("uuid");
+        assertThat(byName.get("license_id").get("is_nullable")).isEqualTo("NO");
+
+        assertThat(byName.get("token").get("data_type")).isEqualTo("text");
+        assertThat(byName.get("token").get("is_nullable")).isEqualTo("NO");
+
+        assertThat(byName.get("installed_at").get("data_type"))
+            .isEqualTo("timestamp with time zone");
+        assertThat(byName.get("installed_at").get("is_nullable")).isEqualTo("NO");
+
+        assertThat(byName.get("installed_by").get("data_type")).isEqualTo("text");
+        assertThat(byName.get("installed_by").get("is_nullable")).isEqualTo("NO");
+
+        assertThat(byName.get("expires_at").get("data_type"))
+            .isEqualTo("timestamp with time zone");
+        assertThat(byName.get("expires_at").get("is_nullable")).isEqualTo("NO");
+
+        assertThat(byName.get("last_validated_at").get("data_type"))
+            .isEqualTo("timestamp with time zone");
+        assertThat(byName.get("last_validated_at").get("is_nullable")).isEqualTo("NO");
+
+        // PK: tenant_id (one row per tenant).
+        var pkCols = jdbcTemplate.queryForList("""
+            SELECT a.attname AS column_name
+              FROM pg_index i
+              JOIN pg_class c ON c.oid = i.indrelid
+              JOIN pg_namespace n ON n.oid = c.relnamespace
+              JOIN pg_attribute a ON a.attrelid = c.oid AND a.attnum = ANY(i.indkey)
+             WHERE c.relname = 'license'
+               AND n.nspname = current_schema()
+               AND i.indisprimary
+            """, String.class);
+        assertThat(pkCols).containsExactly("tenant_id");
+    }
+
+    @Test
+    void environmentsHasRetentionColumns() {
+        // V5 migration adds three retention day columns, NOT NULL DEFAULT 1.
+        var rows = jdbcTemplate.queryForList("""
+            SELECT column_name, data_type, is_nullable, column_default
+              FROM information_schema.columns
+             WHERE table_name = 'environments'
+               AND table_schema = current_schema()
+               AND column_name IN
+                   ('execution_retention_days','log_retention_days','metric_retention_days')
+            """);
+        var byName = new java.util.HashMap<String, java.util.Map<String, Object>>();
+        for (var row : rows) {
+            byName.put((String) row.get("column_name"), row);
+        }
+        assertThat(byName).containsKeys(
+            "execution_retention_days", "log_retention_days", "metric_retention_days");
+
+        for (var col : java.util.List.of(
+                "execution_retention_days", "log_retention_days", "metric_retention_days")) {
+            assertThat(byName.get(col).get("data_type"))
+                .as("%s data_type", col).isEqualTo("integer");
+            assertThat(byName.get(col).get("is_nullable"))
+                .as("%s is_nullable", col).isEqualTo("NO");
+            assertThat((String) byName.get(col).get("column_default"))
+                .as("%s column_default", col).isEqualTo("1");
+        }
+    }
+
     @Test
     void deleting_environment_cascades_alerting_rows() {
         testEnvId = UUID.randomUUID();