feat(keys): auto-generate entity keys and remove manual key input from admin create forms

backend/app/schemas/catalog.py

@@ -3,7 +3,6 @@ from typing import Literal
 
 
 class SystemCreateRequest(BaseModel):
-    system_key: str
     name: str
     status: str = "active"
 
@@ -22,7 +21,6 @@ class SystemItem(BaseModel):
 
 class ModuleCreateRequest(BaseModel):
     system_key: str
-    module_key: str
     name: str
     status: str = "active"
 
@@ -41,7 +39,6 @@ class ModuleItem(BaseModel):
 
 
 class CompanyCreateRequest(BaseModel):
-    company_key: str
     name: str
     status: str = "active"
 
@@ -59,7 +56,6 @@ class CompanyItem(BaseModel):
 
 
 class SiteCreateRequest(BaseModel):
-    site_key: str
     company_key: str
     name: str
     status: str = "active"
@@ -114,7 +110,6 @@ class ListResponse(BaseModel):
 
 
 class PermissionGroupCreateRequest(BaseModel):
-    group_key: str
     name: str
     status: str = "active"