fix(anvil): prepare local block replays - #15899
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Parity and opcode-gas block replay started from the parent state but skipped protocol pre-execution. Prepare both replay databases through the network-aware block executor so EIP-2935 and future pre-execution changes match mining semantics.
Make block executor setup fallible and propagate preparation failures through local replay APIs instead of panicking or treating them as missing state. Cover parity block and transaction replay plus opcode-gas replay through JSON-RPC.
Route post-genesis empty blocks through block replay preparation so protocol pre-execution failures are returned by trace_blockOpcodeGas. Preserve the genesis fast path because genesis has no parent state to replay.
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Local parity block replay and opcode-gas replay start from the parent state but currently skip the protocol pre-execution performed during mining. This change prepares both replay databases through the network-aware block executor before applying transactions, keeping EIP-2935 and future pre-execution behavior aligned with mined execution. Executor preparation is fallible so real preparation and execution failures propagate as JSON-RPC errors instead of panicking or being treated as missing state.
The regressions cover the EIP-2935 parent-hash state change and deterministic pre-execution failures across block replay, transaction replay, and opcode-gas replay. Closes #15894.