* fix(ui_sso.py): fix form action on login when sso is enabled
* fix: multiple fixes - fix resetting env var in proxy config + add key to exception message on key decryption
fixes issue where env vars would be reset
* refactor(proxy_server.py): cleanup redundant decryption line
* fix(proxy_setting_endpoints.py): show saved ui access mode
allows admin to know what they'd previously stored in db
* fix(auth_checks.py): resolve a model group alias when key has access to underlying model
Fixes LIT-293
* feat(anthropic/): add mock_response to anthropic /v1/messages
makes it easy to test fallback logic
* fix(router.py): support fallbacks on /v1/messages
adds working fallbacks on generic api route
* refactor(router.py): point _ageneric_api_call_with_fallbacks to updated function
* test: add unit test for new helper on router
* fix(router.py): use correct metadata variable name
* fix(router.py): use correct metadata field
* docs(config_settings.md): document new param
iabhi4