Add plugin platform with modular backend and frontend registry.

Split graph/import/meta into Django apps, add API v1 with OpenAPI and pytest, and introduce plugin registry with the tags reference plugin on both FE and BE.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/config/settings.py

@@ -12,13 +12,25 @@ ALLOWED_HOSTS = [
     h.strip() for h in os.environ.get('ALLOWED_HOSTS', '*').split(',') if h.strip()
 ]
 
+ENABLED_PLUGINS = [
+    p.strip()
+    for p in os.environ.get('ENABLED_PLUGINS', 'tags').split(',')
+    if p.strip()
+]
+
 INSTALLED_APPS = [
     'django.contrib.contenttypes',
     'django.contrib.auth',
     'django.contrib.staticfiles',
     'rest_framework',
     'corsheaders',
+    'drf_spectacular',
+    'core',
     'contacts',
+    'graph',
+    'import_export',
+    'plugins',
+    'plugins_tags',
 ]
 
 MIDDLEWARE = [
@@ -41,11 +53,30 @@ STATIC_ROOT = BASE_DIR / 'staticfiles'
 REST_FRAMEWORK = {
     'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.PageNumberPagination',
     'PAGE_SIZE': 100,
+    'DEFAULT_SCHEMA_CLASS': 'drf_spectacular.openapi.AutoSchema',
+}
+
+SPECTACULAR_SETTINGS = {
+    'TITLE': 'Social Graph API',
+    'DESCRIPTION': 'API for Social Graph Builder (local-first with optional remote backend)',
+    'VERSION': '1.0.0',
 }
 
 CORS_ALLOW_ALL_ORIGINS = True
 
-# Лимит тела запроса для импорта больших JSON (например, экспорт Monica с сотнями контактов)
-DATA_UPLOAD_MAX_MEMORY_SIZE = 20 * 1024 * 1024  # 20 MB
+DATA_UPLOAD_MAX_MEMORY_SIZE = 20 * 1024 * 1024
 
 DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+
+# Phase C: optional JWT auth (disabled by default)
+USE_JWT_AUTH = os.environ.get('USE_JWT_AUTH', 'false').lower() in ('1', 'true', 'yes')
+
+if USE_JWT_AUTH:
+    REST_FRAMEWORK['DEFAULT_AUTHENTICATION_CLASSES'] = [
+        'rest_framework_simplejwt.authentication.JWTAuthentication',
+    ]
+    REST_FRAMEWORK['DEFAULT_PERMISSION_CLASSES'] = [
+        'rest_framework.permissions.IsAuthenticated',
+    ]
+
+DEFAULT_WORKSPACE_ID = os.environ.get('DEFAULT_WORKSPACE_ID', 'personal')

backend/config/urls.py

@@ -1,5 +1,10 @@
 from django.urls import path, include
+from drf_spectacular.views import SpectacularAPIView, SpectacularSwaggerView
 
 urlpatterns = [
+    path('api/v1/', include('api.v1.urls')),
     path('api/', include('contacts.urls')),
+    path('api/v1/schema/', SpectacularAPIView.as_view(), name='schema'),
+    path('api/v1/docs/', SpectacularSwaggerView.as_view(url_name='schema'), name='swagger-ui'),
+    path('api/v1/', include('core.auth_urls')),
 ]