* feat(ai): sync gateway providers and model discovery
Add provider account types and protocol-aware model discovery, and replace predefined models with editable model pools.
Align provider icons with AI Gateway, preserve international Coding Plan restrictions, and filter account counts consistently with selectable accounts.
* fix(ai): preserve Ollama base paths during model discovery
* fix(ai): restore custom DashScope image protocol support
Replace database rule synchronization with native rule operations and file-based backup, import, and recovery. Update firewall management views, descriptions, whitelist handling, and translations.
Include terminal reconnect fixes and xpack build tags for Darwin build targets. Remove temporary regression test files before committing.
#### What this PR does / why we need it?
#### Summary of your change
#### Please indicate you've done the following:
- [ ] Made sure tests are passing and test coverage is added if needed.
- [ ] Made sure commit message follow the rule of [Conventional Commits specification](https://www.conventionalcommits.org/).
- [ ] Considered the docs impact and opened a new docs issue or PR with docs changes if needed.
ssongliu
CityFun