New Features - val linking role, cross pod approval, consol. ratelimiting

[pankajjagtapp]

Note

Adds access control and rate limiting to nodes management, enables cross-pod validator approval, and provides upgrade automation.

• Roles & access control: New ETHERFI_NODES_MANAGER_LEGACY_LINKER_ROLE; linkLegacyValidatorIds now onlyLegacyLinker. Consolidation remains gated by ETHERFI_NODES_MANAGER_EL_CONSOLIDATION_ROLE.
• Rate limiting: New CONSOLIDATION_REQUEST_LIMIT_ID; requestConsolidation now consumes from rate limiter using getTotalConsolidationGwei (counts true consolidations, ignores credential switches).
• LiquidityPool changes: batchApproveRegistration now validates array lengths (InvalidArrayLengths), derives eigenPod/withdrawal credentials per validator, and removes same-node constraint to allow cross-pod approvals.
• Interfaces: Expose CONSOLIDATION_REQUEST_LIMIT_ID in IEtherFiNodesManager.
• Upgrade scripts: deploy.s.sol and transactions.s.sol to deploy new implementations, perform UUPS upgrades via timelock, and grant legacy linker role; includes optional rate limiter setup and bytecode verification.
• Tests: Update/extend tests for new role gating and consolidation bucket; add Pectra consolidation fork tests; adjust minor assertion tolerance in Liquifier.t.sol.

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