feat: added frontend_pages models(basic_info) and api(v2), support employees query pages that they can visit by themself token

basic_info/models.py

@@ -70,6 +70,54 @@ class DeviceTypeEnum(models.TextChoices):
 # ==================== 模型定义 ====================
 
 
+class FrontendPageTypeEnum(models.TextChoices):
+    """前端页面类型枚举"""
+    MAIN = 'main', '主菜单'
+    SUB = 'sub', '子菜单'
+
+
+class FrontendPage(ModelBase):
+    """
+    前端页面/菜单项
+    
+    用于管理前端可见页面，与员工岗位关联实现权限控制。
+    数据来源：docs/menu_keys.json，通过 sync_frontend_pages 命令同步。
+    """
+    id = models.BigAutoField(primary_key=True)
+    key = models.CharField(
+        max_length=100,
+        unique=True,
+        db_index=True,
+        verbose_name='页面唯一标识',
+        help_text='前端路由 key，如 plate-order-kanban'
+    )
+    label = models.CharField(max_length=100, verbose_name='页面名称')
+    page_type = models.CharField(
+        max_length=10,
+        choices=FrontendPageTypeEnum.choices,
+        default=FrontendPageTypeEnum.SUB,
+        verbose_name='页面类型'
+    )
+    parent = models.ForeignKey(
+        'self',
+        on_delete=models.CASCADE,
+        null=True,
+        blank=True,
+        related_name='children',
+        verbose_name='父级菜单'
+    )
+    sort_order = models.IntegerField(default=0, verbose_name='排序')
+    is_active = models.BooleanField(default=True, verbose_name='是否启用')
+
+    def __str__(self):
+        return f'{self.label} ({self.key})'
+
+    class Meta:
+        verbose_name = '前端页面'
+        verbose_name_plural = '前端页面'
+        ordering = ['sort_order', 'id']
+
+
 class EmployeeType(ModelBase):
     """员工职位类型"""
     id = models.BigAutoField(primary_key=True)
@@ -77,6 +125,13 @@ class EmployeeType(ModelBase):
     title = models.CharField(max_length=50, verbose_name='职位名称')
     description = models.TextField(blank=True, null=True, verbose_name='职位描述')
     reverse = models.CharField(max_length=100, blank=True, null=True, verbose_name='预留字段')
+    visible_pages = models.ManyToManyField(
+        'FrontendPage',
+        blank=True,
+        related_name='employee_types',
+        verbose_name='可见页面',
+        help_text='授予主菜单将自动包含其所有子菜单'
+    )
 
     def __str__(self):
         return self.title