refactor: replace @privy-io/react-auth with Firefly backend signing#12414
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Remove the @privy-io/react-auth SDK and the Privy<->Firefly JWT sync. The extension now signs directly against the Firefly embedded-wallet REST endpoints on api.firefly.land (personal-sign, sign-typed-data-v4, sign-transaction, send-transaction, privy-api/user, user/create/privy/user), authenticated with the Firefly access token. - Add FireflyEmbeddedWalletClient, FireflyEmbeddedProvider (EIP-1193), and the useFireflyEmbeddedWallets discovery hook (React Query, shared). - Re-point usePrivyWallet, MaskWallet, and the wallet-setup flow at the new client/hook; drop useSyncJwtBasedAuthState. - Remove PrivyProvider from Popup/Dashboard/ShadowRoot; reduce PrivyEnvGuard to an identity HOC. - Drop @privy-io/react-auth, PRIVY_APP_ID build injection, the privy.io CSP whitelist, and the Privy modal CSS patch. - Keep ImportSource.Privy and the historical hook/constant names so unaffected consumers compile unchanged. Scope: EVM only. Solana, free-gas relay, and pin-code flows are deferred.
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After @privy-io/react-auth was replaced by Firefly backend signing (ff37e2e), PrivyEnvGuard was reduced to a no-op that returns its argument unchanged, kept only so the wrapped components kept compiling. Now that the migration has settled, drop it for good. - Delete packages/shared-base/src/Privy/SetupProvider.tsx (the file's only remaining export) and its now-empty directory. - Drop the `export * from './Privy/SetupProvider.js'` barrel line. - Unwrap `PrivyEnvGuard(fn)` -> `fn` across the 7 call sites (Popup wallet components + the Firefly embedded-wallet Setup); named function expressions are kept so displayName is retained.
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Jack-Works
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Jul 8, 2026
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