fix: isAddressCold warmth check and CALL pre-check Amsterdam gate

- isAddressCold: use warm_addresses.isCold() for stale-tx accounts
  instead of coinbase-only check, covering precompiles and EIP-2930
  access-list entries (fixes false cold report for cached accounts)
- CALL worst-case pre-check: gate on .amsterdam instead of .berlin;
  pre-Amsterdam has no phantom BAL entries and the G_NEWACCOUNT
  worst-case caused false OOG for existing accounts

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: Gabriel-Trintinalia

src/context/journal.zig

@@ -1165,14 +1165,9 @@ pub const JournalInner = struct {
     pub fn isAddressCold(self: *const JournalInner, address: primitives.Address) bool {
         if (self.evm_state.get(address)) |acct| {
             if (acct.isColdTransactionId(self.transaction_id)) {
-                // EIP-3651: coinbase is pre-warmed each tx. If the coinbase was loaded in
-                // a previous tx (old transaction_id), still treat it as warm for gas purposes.
-                // Only check the coinbase slot — not precompiles or access-list entries, to
-                // avoid unintended cross-tx warm promotion for those.
-                if (self.warm_addresses.coinbase) |cb| {
-                    if (std.mem.eql(u8, &address, &cb)) return false;
-                }
-                return true;
+                // Account was loaded in a prior tx — defer to warm_addresses which covers
+                // EIP-3651 coinbase, precompiles, and EIP-2930 access-list entries.
+                return self.warm_addresses.isCold(address);
             }
             return false;
         }

src/interpreter/opcodes/call.zig

@@ -138,7 +138,9 @@ fn callImpl(
     // Worst-case pre-check (assume account non-existent) before any DB load.
     // getCallGasCost(..., false) >= exact cost, so if this passes the account can never
     // become a phantom BAL entry (the exact-cost check below can never OOG).
-    if (primitives.isEnabledIn(spec, .berlin)) {
+    // Gated on Amsterdam: pre-Amsterdam has no BAL and G_NEWACCOUNT makes the worst-case
+    // overly conservative for existing accounts, causing false OOG.
+    if (primitives.isEnabledIn(spec, .amsterdam)) {
         const worst_case = gas_costs.getCallGasCost(spec, pre_is_cold, transfers_value, false);
         if (ctx.interpreter.gas.remaining < worst_case) {
             ctx.interpreter.halt(.out_of_gas);