Introduces EchConfigList and EchForceQuery fields to ProfileItem and V2rayConfig models, updates related handlers and services to process these fields, and extends the AddServerWindow UI to allow user input for ECH configuration. Also adds localization entries for the new fields and updates extension methods for string handling.
* Multi Profile
* VM and wpf
* avalonia
* Fix right click not working
* Exclude specific profile types from selection
* Rename
* Add Policy Group support
* Add generate policy group
* Adjust UI
* Add Proxy Chain support
* Fix
* Add fallback support
* Add PolicyGroup include other Group support
* Add group in traffic splitting support
* Avoid duplicate tags
* Refactor
* Adjust chained proxy, actual outbound is at the top
Based on actual network flow instead of data packets
* Add helper function
* Refactor
* Add chain selection control to group outbounds
* Avoid self-reference
* Fix
* Improves Tun2Socks address handling
* Avoids circular dependency in profile groups
Adds cycle detection to prevent infinite loops when evaluating profile groups.
This ensures that profile group configurations don't result in stack overflow errors when groups reference each other, directly or indirectly.
* Fix
* Fix
* Update ProfileGroupItem.cs
* Refactor
* Remove unnecessary checks
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Co-authored-by: 2dust <31833384+2dust@users.noreply.github.com>
