* feat(models): add WUI model display aliases
Persist display-only model aliases in Web UI app config, surface them in the model selector/search, and keep canonical model IDs for Hermes calls.
* fix(models): improve WUI model alias editing
* fix(models): clarify unlisted model picker
* fix(models): scope aliases to providers
* feat(models): add WUI model visibility filter
Store provider model visibility in Web UI app config and filter the WUI model picker/model page without rewriting Hermes CLI config or canonical model IDs.
* fix(models): sync sidebar after visibility changes