Add externally verifiable test vectors for Electrum v1/v2 mnemonic derivation - #3

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edtubbs with Copilot wants to merge 15 commits into

0.1.5-dev-electrum-seedfrom

copilot/validate-electrum-mnemonic-changes

Commits on Feb 5, 2026

bip39, such, test: add electrum seed support
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Initial plan
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Add comprehensive Electrum v1/v2 mnemonic test vectors to bip39_tests and key_tests

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Address code review feedback: improve variable naming consistency

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Replace self-generated test vectors with independently verifiable external references

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Remove verification guide and verify CLI tool works with Electrum v1/v2

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Register test_electrum_v1_mnemonic_to_master_key in test runner and fix expected value

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Independently validate all Electrum test vectors and update documentation

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Squash 7 commits into single commit for Electrum test vectors

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c2ad9df

Commits on Feb 7, 2026

Remove REBASE_SUMMARY.md - not needed in repository

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Replace strtok with strtok_r to fix aarch64 linker error

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2aa2572

Commits on Feb 9, 2026

Trigger CI checks
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b30da03

Commits on Feb 12, 2026

Fix Electrum v1 test to use custom derivation instead of BIP32

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Fix Electrum v1 keypath display format: n/for_change (was for_change/n)

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Add comprehensive documentation for Electrum v1 keypath format

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