[veto9292]

Summary

Reworks Settings → Routing: built-in rules, an App-based routing section (formerly Per-app proxy, Android only), and the general options moved out of the bottom panel.

Depends on #2333. This branch is built on it. Its own commits start after 8aaeb368; the diff shrinks to them once #2333 is merged. main is merged in, so it has no conflicts.

Rules

• The predefined rules sheet is replaced by three built-in rules that are always in the list: Bypass local network, Block ads and harmful sites, and Bypass sites in the region. They can only be switched on or off and moved. The region rule follows the region, and is left out while the region is Other.
• A new rule goes to the top and gets a numbered name.
• Package names: an app picker on Android, which marks the apps App-based routing keeps outside the VPN.
• IP CIDR fields accept IPv6.

App-based routing (Android)

• A section above the rules: a switch, the two modes (Bypass, Proxy only), a row of app logos that opens the list, and an auto selection row with its status.
• The switch is saved apart from the mode (per_app_proxy_enabled). Preferences migration v2 moves the old off value. Android reads the new key, and falls back to the old rule when the Quick Settings tile or a reboot starts the VPN before the migration has run.
• Auto selection runs when App-based routing is turned on or its mode changes, until the user turns it off by hand. A region change turns it off.
• App list page: titled by the mode; chips for Hide system apps and Restore auto picks (with Undo); an Auto tag; search by package name; a bar that offers to share the list's changes, with a preview sheet before opening a prefilled GitHub issue.
• Fixes: a list that loads after a region or mode change is dropped; a failed list after a mode change leaves auto selection off; importing replaces the lists, as its dialog says.

General options

• The bottom panel and its toggle are gone. Region is a chip in the app bar. Balancer strategy, Resolve destination and IPv6 route head the rules list.

Toasts

• Flat style; 4 s, or 8 s with an action button such as Undo.

Notes

• The region rule's rule-set URLs contain {region}, which the core still has to replace.
• Share opens an issue on hiddify/Android-GFW-Apps, where issues are currently turned off.

Testing

Android emulator, API 36, upgraded over a saved exclude mode:

• the migration;
• the switch, both modes, and auto selection with Iran's Bypass and Proxy only lists;
• the region chip with China, Other and Iran;
• the option menus and the rules menu;
• the app list: restore with Undo, and the share sheet (not submitted);
• a new rule and the package names picker.

After merging main: dart analyze is clean, and flutter test passes (150 tests).

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