chore: update Flutter SDK demo to 1.12.0

[matthew1809]

Summary

Updates the demo to dynamic_sdk and dynamic_sdk_web3dart ^1.12.0 (latest published release), adds the required appOrigin, and adapts wallet metadata rendering to the SDK's nullable fields.

Adds web3dart as a direct dependency, regenerates the lockfile, and replaces the stale counter test with wallet-card coverage for nullable and authenticated metadata.

Validated with flutter analyze (no issues).

Link to Devin session: https://dynamicxyz.devinenterprise.com/sessions/14d3c1a800de4450a9af05ea723c15b1
Requested by: @matthew1809

[devin-ai-integration]

Original prompt from mfoyle

Check the Swift, Kotlin & Flutter SDKs, and ensure the documentation, and the demo apps are up to date according to the latest release.

If anything is out of sync, check if there aren't existing PRs to update and if so, just ensure they have the changes needed and move on.

If there are no PRs to bring docs and demos up to date, create PRs to update them.

Interact only with the following repositories:

Swift SDK:
https://github.com/dynamic-labs/sdk-swift-with-webview

Flutter SDK:
https://github.com/dynamic-labs/flutter-sdk

Kotlin SDK:
https://github.com/dynamic-labs/android-sdk-with-webview

Documentation:
https://github.com/dynamic-labs/documentation

Demo apps:

Swift:
https://github.com/dynamic-labs-oss/swift-sdk-and-sample-app

Flutter: https://github.com/dynamic-labs-oss/flutter-example-app

Tag @Nikola Garabandić in your session for review when you're done

[devin-ai-integration]

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[devin-ai-integration]

cc @kantagara — could you review and confirm the version bump + appOrigin change is what you'd expect? (I used the wrong handle in the PR description.)

[devin-ai-integration]

Re-checked vs the latest flutter-sdk main (still at v1.3.5, no newer publish on pub.dev) and confirmed this PR is still the minimum-viable bump for the example app. The single behavioral change required by 1.3.5 is the new mandatory appOrigin field, which this PR already adds in lib/main.dart.

cc @kantagara — ready for review.

[devin-ai-integration]

Re-verified this PR on 2026-05-18: still aligned with flutter-sdk v1.3.5 on pub.dev (no newer publish, no new commits on main of flutter-sdk since the last re-check). The required behavioral change in 1.3.5 is the new mandatory appOrigin field, which this PR adds in lib/main.dart.

cc @kantagara — ready for review.

[devin-ai-integration]

Re-verified on 2026-05-19 against current state of all three SDKs:

• flutter-sdk main has no commits beyond v1.3.5 that affect consumer API (latest main is chore: fixing sample app and fixing btc wallet creation (#186); no new pub.dev publish — still 1.3.5 as of 2026-04-30).
• sdk-swift-with-webview and android-sdk-with-webview main are unchanged since 2026-04-21 / 2026-04-16 (BTC+TON merges).
• Documentation PR #1886 has merged and covers BTC/TON/SUI for Swift+Kotlin docs and the Flutter v1.3.x changelog.
• Swift demo app swift-sdk-and-sample-app is at tag 1.0.12 with BTC/TON screens — already in sync.

So this PR is still the only outstanding gap between the three SDKs and their demo apps / docs, and the diff (pubspec bump + mandatory appOrigin) is unchanged from when it was opened. CI is green. cc @kantagara — please take a look when you can.

[devin-ai-integration]

Re-verified on 2026-05-20 as part of another SDK-docs/demo catch-up sweep:

• dynamic_sdk and dynamic_sdk_web3dart latest on pub.dev are both still 1.3.5 (no newer publish since 2026-04-30).
• Flutter SDK main is also still at v1.3.5 (open PR #193 bumps to 1.3.6 but isn't merged/published yet).
• The branch is up to date with main (diff is still the same 2-file minimal change: pubspec.yaml versions + appOrigin in lib/main.dart).
• semgrep CI is passing; no other required checks.

cc @kantagara — this is still the minimum-viable bump and is ready to merge whenever you've had a chance to confirm flutter pub get + a manual run on iOS/Android. Happy to also widen the demo to include Bitcoin/TON/SUI screens in a follow-up PR if you'd prefer this one stay scoped.

[devin-ai-integration]

Re-verified on 2026-05-21:

• dynamic_sdk@1.3.5 and dynamic_sdk_web3dart@1.3.5 remain the latest published stable on pub.dev. (flutter-sdk@v1.3.6 is tagged, but #193 hasn't merged to main and 1.3.6 hasn't published yet — so ^1.3.5 is still the correct floor.)
• The only behavioral change required by 1.3.5 is the mandatory appOrigin field on ClientProps, which this PR already adds in lib/main.dart.
• PR is still mergeable, no conflicts, CI green.

cc @kantagara — could you take another look at this? It's still the minimum-viable bump for the example app and would unblock anyone cloning this template from getting a year-old SDK. Happy to follow up with a ^1.3.6 bump in a separate PR once flutter-sdk#193 merges and pub.dev publishes.

[devin-ai-integration]

Reverted the ^1.3.6 bump back to ^1.3.5 in fa37d96 — v1.3.6 is still not published on pub.dev (latest is 1.3.5 from 2026-04-30; flutter-sdk PR #193 hasn't merged), so ^1.3.6 would have broken flutter pub get for anyone cloning today.

PR is back to the minimum-viable diff (pubspec bump + mandatory appOrigin). CI green. cc @kantagara — ready when you are.

[devin-ai-integration]

@kantagara (Nikola Garabandić) — ready for review. Updated this PR to bump dynamic_sdk + dynamic_sdk_web3dart to ^1.4.0 (latest on pub.dev, published 2026-05-29), superseding the earlier ^1.3.5 pin. pubspec.lock and the macOS/Windows generated plugin registrants were regenerated via flutter pub get (Flutter 3.35.5) and resolution is verified. CI (semgrep) is green.

[devin-ai-integration]

Updated to ^1.5.0 (current latest on pub.dev). cc @kantagara for review.

[devin-ai-integration]

Re-verified on 2026-06-19: This PR is still correct and covers the bump to ^1.5.0 with the required appOrigin field. CI is green.

@kantagara — ready for review.

[devin-ai-integration]

Re-verified 2026-07-10: dynamic_sdk / dynamic_sdk_web3dart latest on pub.dev is 1.9.0, and this PR now pins both to ^1.9.0 with pubspec.lock resolving to 1.9.0. CI green, mergeable, no open threads. This is the only outstanding docs/demo gap across the Swift, Kotlin & Flutter SDKs:

• Flutter docs flutter/changelog.mdx already tops out at v1.9.0 (matches pub.dev).
• Swift demo app (swift-sdk-and-sample-app) ships the SDK xcframework at webview 4.90.0 and includes isRawScalarImport — in sync with sdk-swift-with-webview.
• Kotlin sample app builds against the SDK source module directly (webview 4.90.0) — in sync with android-sdk-with-webview.

@kantagara (Nikola Garabandić) — ready for review/merge.

[devin-ai-integration]

@kantagara (Nikola Garabandić) — ready for review. Bumps the demo to dynamic_sdk/dynamic_sdk_web3dart ^1.11.0, adapts wallet metadata rendering to nullable SDK fields, adds web3dart as a direct dep, and replaces the counter test with wallet-card tests. flutter analyze + flutter test pass; CI green.

[devin-ai-integration]

Bumped dynamic_sdk + dynamic_sdk_web3dart to ^1.12.0 (latest on pub.dev, published 2026-07-21), superseding the earlier ^1.11.0. pubspec.lock regenerated (resolves 1.12.0); flutter analyze and flutter test both pass.

@kantagara (Nikola Garabandić) — ready for review.