[cruzdanilo]

#5020 types the parameters of createUseReadContract hooks as Partial<Omit<ReadContractParameters<...>, 'abi' | 'address' | 'functionName' | 'args'>>. viem's ReadContractParameters is a union: the deployless branch has code and no address, the other one has address. Omit isn't distributive (keyof a union keeps only the keys every branch shares), so code drops out, and since 3.6.1 generated hooks reject deployless reads at the type level. they still forward code at runtime, and useReadContract accepts it.

this swaps Omit for UnionStrictOmit, which omits the same keys from each branch, so code survives without bringing back the duplicate autocomplete entries #5020 removed. emitted js is unchanged.

createReadContract in @wagmi/core already uses UnionStrictOmit and accepts code. @wagmi/vue and @wagmi/solid have no codegen hooks.

the new deployless read (bytecode) type test mirrors the one in useReadContract.test-d.ts and fails without this change.

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Review	Status	Commit	Review trigger
📝 Code Review	⚠️ Failed 2026-10-20T20:20:59.872721Z	c66a61d	PR opened

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Latest commit: c66a61d

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commit: c66a61d

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 22.43%. Comparing base (6233e18) to head (c66a61d).

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HEAD has 4 uploads less than BASE

Flag	BASE (6233e18)	HEAD (c66a61d)
	7	3

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #5262       +/-   ##
===========================================
- Coverage   88.71%   22.43%   -66.29%     
===========================================
  Files         303      222       -81     
  Lines        2817     2131      -686     
  Branches      818      651      -167     
===========================================
- Hits         2499      478     -2021     
- Misses        122     1573     +1451     
+ Partials      196       80      -116     

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