feat(transaction): compound append + add-index via action transactions#7674

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will/unstable-action-transactions-skeletonfrom

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Commits on Jul 7, 2026

feat(transaction): add NewFragment placeholder + AddIndex action

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feat(transaction): add opaque experimental-operation wire hook

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feat(transaction): apply + commit action-based UserOperation

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test(transaction): cover compound append + add-index UserOperation

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feat(python): expose action-based UserOperation commit surface

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test(python): cover compound append + add-index UserOperation

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