feat: Add Global Module Settings and Caption to Images

- Introduced GlobalModuleSettings model for platform-wide module enable/disable settings.
- Added 'caption' field to Images model to store image captions.
- Updated GenerateImagePromptsFunction to handle new caption structure in prompts.
- Enhanced AIPromptViewSet to return global prompt types and validate active prompts.
- Modified serializers and views to accommodate new caption field and global settings.
- Updated frontend components to display captions and filter prompts based on active types.
- Created migrations for GlobalModuleSettings and added caption field to Images.

backend/igny8_core/modules/system/migrations/0010_globalmodulesettings_and_more.py

@@ -0,0 +1,36 @@
+# Generated by Django 5.2.9 on 2025-12-20 21:11
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('system', '0009_fix_variables_optional'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='GlobalModuleSettings',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('planner_enabled', models.BooleanField(default=True, help_text='Enable Planner module platform-wide')),
+                ('writer_enabled', models.BooleanField(default=True, help_text='Enable Writer module platform-wide')),
+                ('thinker_enabled', models.BooleanField(default=True, help_text='Enable Thinker module platform-wide')),
+                ('automation_enabled', models.BooleanField(default=True, help_text='Enable Automation module platform-wide')),
+                ('site_builder_enabled', models.BooleanField(default=True, help_text='Enable Site Builder module platform-wide')),
+                ('linker_enabled', models.BooleanField(default=True, help_text='Enable Linker module platform-wide')),
+                ('optimizer_enabled', models.BooleanField(default=True, help_text='Enable Optimizer module platform-wide')),
+                ('publisher_enabled', models.BooleanField(default=True, help_text='Enable Publisher module platform-wide')),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+            ],
+            options={
+                'verbose_name': 'Global Module Settings',
+                'verbose_name_plural': 'Global Module Settings',
+                'db_table': 'igny8_global_module_settings',
+            },
+        ),
+        # AccountIntegrationOverride was already removed in migration 0004
+        # migrations.DeleteModel(name='AccountIntegrationOverride'),
+    ]