[Feat SSO] Add LiteLLM SCIM Integration for Team and User management (#10072)

* fix NewUser response type

* add scim router

* add v0 scim v2 endpoints

* working scim transformation

* use 1 file for types

* fix scim firstname and givenName storage

* working SCIMErrorResponse

* working team / group provisioning on SCIM

* add SCIMPatchOp

* move scim folder

* fix import scim_router

* fix dont auto create scim keys

* add auth on all scim endpoints

* add is_virtual_key_allowed_to_call_route

* fix allowed routes

* fix for key management

* fix allowed routes check

* clean up error message

* fix code check

* fix for route checks

* ui SCIM support

* add UI tab for SCIM

* fixes SCIM

* fixes for SCIM settings on ui

* scim settings

* clean up scim view

* add migration for allowed_routes in keys table

* refactor scim transform

* fix SCIM linting error

* fix code quality check

* fix ui linting

* test_scim_transformations.py

litellm-proxy-extras/litellm_proxy_extras/migrations/20250416185146_add_allowed_routes_litellm_verification_token/migration.sql

@@ -0,0 +1,3 @@
+-- AlterTable
+ALTER TABLE "LiteLLM_VerificationToken" ADD COLUMN     "allowed_routes" TEXT[] DEFAULT ARRAY[]::TEXT[];
+

litellm-proxy-extras/litellm_proxy_extras/schema.prisma

@@ -169,6 +169,7 @@ model LiteLLM_VerificationToken {
     budget_duration String? 
     budget_reset_at DateTime?
     allowed_cache_controls String[] @default([])
+    allowed_routes   String[] @default([])
     model_spend      Json @default("{}")
     model_max_budget Json @default("{}")
     budget_id String?