refactor: move Analytics from ThemeSettings to AdsensePlacement

- Remove Analytics and AdSense tabs from theme-settings component
- Add Analytics group to adsense-placement component
- Add roi_enqueue_analytics_script() for GA4/UA support
- Clean up ThemeSettings to only handle custom code (CSS/JS)
- Update FormBuilders and FieldMappers accordingly

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

Schemas/adsense-placement.json

@@ -1,27 +1,20 @@
 {
   "component_name": "adsense-placement",
-  "version": "1.0.0",
-  "description": "Control manual de ubicacion de anuncios AdSense",
+  "version": "1.1.0",
+  "description": "Control de AdSense y Google Analytics",
   "groups": {
     "visibility": {
-      "label": "Visibilidad",
+      "label": "Visibilidad AdSense",
       "priority": 10,
       "fields": {
         "is_enabled": {
           "type": "boolean",
-          "label": "Activar Placement Manual",
+          "label": "Activar AdSense",
           "default": false,
           "editable": true,
           "required": true,
           "description": "Activa el control manual de ubicacion de anuncios"
         },
-        "disable_auto_ads": {
-          "type": "boolean",
-          "label": "Deshabilitar Auto Ads",
-          "default": true,
-          "editable": true,
-          "description": "Desactiva Auto Ads de Google cuando el placement manual esta activo"
-        },
         "show_on_desktop": {
           "type": "boolean",
           "label": "Mostrar en escritorio",
@@ -38,6 +31,33 @@
         }
       }
     },
+    "analytics": {
+      "label": "Google Analytics",
+      "priority": 15,
+      "fields": {
+        "analytics_enabled": {
+          "type": "boolean",
+          "label": "Activar Analytics",
+          "default": false,
+          "editable": true,
+          "description": "Activa Google Analytics en el sitio"
+        },
+        "ga_tracking_id": {
+          "type": "text",
+          "label": "Google Analytics ID",
+          "default": "",
+          "editable": true,
+          "description": "ID de seguimiento (G-XXXXXXXXXX o UA-XXXXXXXX-X)"
+        },
+        "ga_anonymize_ip": {
+          "type": "boolean",
+          "label": "Anonimizar IP (GDPR)",
+          "default": true,
+          "editable": true,
+          "description": "Recomendado para cumplir con GDPR/RGPD"
+        }
+      }
+    },
     "content": {
       "label": "Credenciales AdSense",
       "priority": 20,