feat(tbtc): fail fast when FROST is enabled on the legacy signing backend#4133

Merged

mswilkison merged 8 commits into

feat/frost-schnorr-migration-scaffoldfrom

feat/frost-signing-backend-guard

Jul 6, 2026

Commits on Jul 6, 2026

feat(tbtc): fail fast when FROST is enabled on the legacy signing backend

mswilkison
and
claude
committed
fix(tbtc): only enforce the FROST signing-backend guard when FROST is enabled

mswilkison
and
claude
committed
fix(tbtc): require available native execution for FROST, not just a non-legacy backend name

mswilkison
and
claude
committed
fix(tbtc): gate the FROST guard on the real native FFI engine, not fallback availability

mswilkison
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claude
committed
fix(tbtc): gate the FROST guard on the linked signer engine, not the transitional FFI wrapper

mswilkison
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claude
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fix(tbtc): probe libfrost_tbtc's ABI before declaring native FROST signing available

mswilkison
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claude
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fix(tbtc): run the FROST backend guard before coordination; skip lib assertions in optional-link profile

mswilkison
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claude
committed
fix(tbtc): run the FROST backend guard in newNode, before the pre-params pool starts

mswilkison
and
claude
committed