Fix auth wallet fetch

[thesimplekid]

Description

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@cdk-bot

Notes to the reviewers

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Suggested CHANGELOG Updates

CHANGED

ADDED

REMOVED

FIXED

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Checklist

• I followed the code style guidelines
• I ran just quick-check before committing
• If the Wallet API was modified (added/removed/changed), I have reflected those changes in the FFI bindings (crates/cdk-ffi)

[codecov]

Codecov Report

❌ Patch coverage is 44.65409% with 176 lines in your changes missing coverage. Please review.
✅ Project coverage is 73.56%. Comparing base (5e8683f) to head (76e7f15).
⚠️ Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
crates/cdk-common/src/auth/oidc.rs	19.11%	55 Missing ⚠️
...rates/cdk/src/wallet/mint_connector/http_client.rs	0.00%	54 Missing ⚠️
crates/cdk/src/wallet/wallet_repository.rs	28.30%	38 Missing ⚠️
crates/cdk/src/wallet/mod.rs	86.66%	12 Missing ⚠️
crates/cdk/src/wallet/mint_connector/mod.rs	16.66%	10 Missing ⚠️
crates/cdk-http-client/src/transport/mod.rs	0.00%	6 Missing ⚠️
crates/cdk-http-client/src/response.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2200      +/-   ##
==========================================
- Coverage   73.75%   73.56%   -0.19%     
==========================================
  Files         359      360       +1     
  Lines       81144    81432     +288     
==========================================
+ Hits        59851    59909      +58     
- Misses      21293    21523     +230     

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[thesimplekid]

@cdk-bot review

[cdk-bot]

Verified findings approved for disclosure:

• New required Transport methods break downstream implementors (medium) - External crates implementing the public cdk-http-client Transport trait will fail to compile after upgrading unless they add the two new required methods.
  Unanchored locations included in summary:
  • crates/cdk-http-client/src/transport/mod.rs:45
• New wallet auth/OIDC APIs are not reflected in cdk-ffi (low) - Foreign-language users of cdk-ffi cannot access or configure the new wallet authentication/OIDC API added by the PR, leaving FFI bindings out of sync with the Rust wallet API.
  Additional locations included in summary:
  • crates/cdk/src/wallet/builder.rs:134

[thesimplekid]

@cdk-bot review

[cdk-bot]

Verified findings approved for disclosure:

• Existing custom transports can silently lose OIDC support (low) - Wallets using BaseHttpClient/HttpClient with an existing custom Transport can compile unchanged but lose OIDC functionality at runtime unless they add the new raw GET and form POST methods.
  Additional locations included in summary:
  • crates/cdk-http-client/src/transport/mod.rs:72
  • crates/cdk/src/wallet/mint_connector/http_client.rs:102
  • crates/cdk/src/wallet/mod.rs:424

[thesimplekid]

@cdk-bot review