docs(wallets): fix stale OTP params, deprecated useGetUserEmail refs, magic-link keys

[SahilVasava]

Stacked on top of #76 (srinjoy/update-wallet-docs) — base is that branch, not main.

Small, decision-free accuracy fixes found while reviewing #76. Verified against the SDK source.

Changes

• use-send-otp.mdx — remove the emailCustomization / magicLinkTemplate parameter (it no longer exists in the SDK; sendOTP takes { email } only), and add the otpEncryptionTargetBundle return value that the hook actually returns (the OTP guide already uses it, and useVerifyOTP requires it). Return type now matches use-send-magic-link.mdx.
• email-otp.mdx, google-oauth.mdx — the inline "email is available through useGetUserEmail" bullets pointed at a deprecated hook (per the review thread on the hook page). Reworded to useAuthenticators as inline code (no link, since that reference page isn't added yet — andras is adding it).
• magic-link.mdx — align the sessionStorage keys (zerodevMagicLinkOtpId/zerodevMagicLinkBundle → magicLinkOtpId/magicLinkBundle) so they match use-send-magic-link.mdx and use-verify-magic-link.mdx.

Deliberately excluded (need a decision, not mechanical)

• Package name @zerodev/react-wallet-ui vs the SDK rename to @zerodev/wallet-react-ui (PR refactor: rename @zerodev/react-wallet-ui to @zerodev/wallet-react-ui zerodev-wallet-sdk#286) — pick the final published name first.
• Orphaned hook reference pages after the "Hooks" sidebar section was removed — delete vs keep-in-nav (interacts with adding a useAuthenticators page).
• Removal of the "Alpha Wallets / internal testing only" banners — product/legal call.

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Project	Deployment	Actions	Updated (UTC)
docs	Ready	Preview, Comment	Jul 2, 2026 3:54pm