[codex] Add iOS universal wallet readiness gates

[takemiyamakoto]

Summary

• add iOS Universal Wallet v2 models, registry contracts, derivation vectors, and migration/signing contracts
• add Bitcoin, Solana, TON, and Iroha/Taira/Nexus indexer/client/transaction seams with fail-closed tests
• add passkey backup contract and release-disabled posture
• add branch-flow, public artifact, TODO-debt, private-overlay, transaction-builder, Iroha SDK asset, and shared-features delta audits with adversarial self-tests
• harden SwiftPM/native crypto/shared-features patch contracts and CI PR flow

Validation

• bash -n over changed audit/CI/dependency scripts
• bash scripts/test-branch-flow-audit.sh && bash scripts/audit-branch-flow.sh
• bash scripts/test-todo-debt-audit.sh && bash scripts/audit-todo-debt.sh
• bash scripts/test-transaction-builder-tests-audit.sh && bash scripts/audit-transaction-builder-tests.sh
• bash scripts/test-private-overlay-boundary.sh && bash scripts/audit-public-artifacts.sh
• bash scripts/deps/test-shared-features-delta-report.sh && bash scripts/deps/audit-shared-features-delta-report.sh
• bash scripts/check-iroha-mobile-sdk-release-assets.sh --self-test
• focused swiftc parse/typecheck for registry/indexer clients and Bitcoin/Solana/Iroha/TON test surfaces
• scripts/ci/run-pr.sh

Local PR Script Result

scripts/ci/run-pr.sh passed on the local iPhone 16 simulator destination. It completed Debug simulator build and fearless.tests; xcodebuild reported 405 tests executed, 46 skipped, 0 failures, plus 20 live-gated integration tests skipped by explicit environment gates.

Notes

The dependency patching risk remains tracked: shared-features-spm/native crypto compatibility patches are still applied during dependency prep until upstream publishes the carried deltas.

[chatgpt-codex-connector]

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