feat(derivation): batch verification, L1 reorg detection, and rollback-based recovery#907

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curryxbo wants to merge 10 commits intomainfrom

feat/derivation-batch-verification-reorg-detection

Commits on Mar 10, 2026

feat(derivation): add batch verification and L1 reorg detection
corey
committed
fix(derivation): address code review feedback
corey
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fix(derivation): address round-2 review feedback
corey
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fix(derivation): prevent derivation height advancing when L1 block recording fails
corey
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fix(derivation): address round-3 review — halt on mismatch, optimize reorg check, fix baseFee nil handling
corey
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feat(derivation): add halted gauge metric for production alerting
corey
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fix(derivation): guard against nil lastHeader panic on empty batch, fix doc env var
corey
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fix(derivation): add nil check for lastHeader on re-derive path, document halted metric
corey
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docs(derivation): add language tags to fenced code blocks (MD040)
corey
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Commits on Mar 11, 2026

refactor(derivation): split new logic into verify.go and reorg.go
corey
committed