Редактор ачивок в админке + файловое хранилище ачивок (задел под титулы)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

backend/app/schemas/api.py

@@ -410,6 +410,27 @@ class AdminMatchRead(BaseModel):
     created_at: str
 
 
+class AchievementRead(BaseModel):
+    slug: str
+    name: str
+    description: str = ""
+    condition: str = ""  # текст condition.py (задел; не исполняется)
+    has_condition: bool = False
+    icon_url: str | None = None
+
+
+class AchievementCreate(BaseModel):
+    name: str
+    description: str | None = None
+    condition: str | None = None
+
+
+class AchievementUpdate(BaseModel):
+    name: str | None = None
+    description: str | None = None
+    condition: str | None = None
+
+
 class AuditLogItem(BaseModel):
     id: int
     actor_id: int | None = None