Add settings page and configurable network map types.

Let users define sector/circle labels and geometry per map type, choose a type when creating maps, and sync types through local backup and API migrations.

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

backend/contacts/models.py

@@ -2,8 +2,6 @@ from django.core.validators import MaxValueValidator, MinValueValidator
 from django.db import models
 
 from core.choices import (
-    LIFE_SPHERES,
-    NETWORK_CIRCLES,
     INTERACTION_INTENSITY,
     RELATION_TYPES,
 )
@@ -30,11 +28,36 @@ class Contact(models.Model):
         return self.name
 
 
+class NetworkMapType(models.Model):
+    """Тип карты сети: настраиваемые секторы и концентрические круги."""
+
+    name = models.CharField(max_length=255, verbose_name='Название типа')
+    sectors = models.JSONField(default=list, verbose_name='Секторы')
+    circles = models.JSONField(default=list, verbose_name='Круги')
+    is_default = models.BooleanField(default=False, verbose_name='Тип по умолчанию')
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        ordering = ['name']
+        verbose_name = 'Тип карты сети'
+        verbose_name_plural = 'Типы карт сети'
+
+    def __str__(self):
+        return self.name
+
+
 class NetworkMap(models.Model):
     """Карта сети — отдельный контекст для визуализации подмножества контактов."""
 
     name = models.CharField(max_length=255, verbose_name='Название')
     description = models.TextField(blank=True, verbose_name='Описание')
+    map_type = models.ForeignKey(
+        NetworkMapType,
+        on_delete=models.PROTECT,
+        related_name='maps',
+        verbose_name='Тип карты',
+    )
     created_at = models.DateTimeField(auto_now_add=True)
     updated_at = models.DateTimeField(auto_now=True)
 
@@ -64,13 +87,11 @@ class NetworkMapMembership(models.Model):
     )
     life_sphere = models.CharField(
         max_length=32,
-        choices=LIFE_SPHERES,
         default='other',
         verbose_name='Сфера жизни',
     )
     network_circle = models.CharField(
         max_length=32,
-        choices=NETWORK_CIRCLES,
         default='productivity',
         verbose_name='Круг сети',
     )