feat(ui): Identities screen on the main menu under Wallets

[QuantumExplorer]

Summary

Adds an Identities entry to the More menu, directly under Wallets, showing the device's Dash Platform identities for the current network. Heavily modeled on the SwiftExampleApp's Identities tab, adapted to dashwallet's menu/screen conventions.

List

• Reads the SwiftDashSDK PersistentIdentity store (network-scoped via PersistentIdentity.predicate(network:), ordered by identity index) — the same rows the example app renders.
• Each row: display name (alias → main DPNS name → DPNS name → truncated id) with a ⭐ for the pinned main name, alias subtitle, truncated base58 id, credits balance with the Dash glyph, and Masternode / Evonode / Local-Only badges.
• Empty state explains identities appear after username registration (dashwallet's create-identity path is the existing Join DashPay flow — deliberately not duplicated here).

Detail sheet

Tap a row → compact sheet: full copyable identity id, balance (full precision), type, Local Only / On Network status, owning wallet, identity index, public-key count, and every owned username.

Refresh

Pull-to-refresh or the header button: per identity, sdk.identityGet refreshes the balance and dpnsGetUsername backfills a missing DPNS name (silent 404s, mirroring the example app), then persists via the SDK's updateBalance/updateDpnsName mutators.

Find identities (explicit command)

The refresh only polishes known rows — it can't discover an identity this device has never seen. A header button (and an empty-state button, where the restored-wallet case lives) runs the example app's "Re-scan for Identities": ManagedPlatformWallet.discoverIdentities(startIndex: 0), the DIP-9 gap-limit scan of the active wallet's identity-authentication tree against Platform. Discoveries persist via the SDK persister; on a hit the list reloads and the balance/username refresh backfills the new rows. Outcome reported in an alert.

When the scan surfaces the active wallet's pinned identity (index 0) with a username, the app adopts it into DashPay mode — the same DWGlobalOptions mirror writes + notification chain a finished registration performs (avatar appears, Join banner retires). Nameless identities stay list-only until Join DashPay completes the name.

Notes

• MVVM per the SwiftUI-first guardrail — all SDK/SwiftData access in IdentitiesViewModel; the screen renders row models only.
• No create/load/remove flows from the example app: creation belongs to the Join DashPay flow, and local identity removal has different keychain semantics in dashwallet.

Test plan

• Clean dashpay simulator build (arm64); installed on QA-iPhone16
• More → Identities shows the registered identity with DPNS name and balance; refresh updates after a top-up
• Empty state on a wallet with no identity

🤖 Generated with Claude Code

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