win 5595297203 chore: merge upstream v0.1.110, keep Claude customizations
Merge strategy: keep local Claude customizations (ours), accept all other upstream changes.

Claude constants.go retains:
- DefaultCLIVersion = 2.1.88
- Enhanced beta headers (9 new betas)
- ModelSupports1M() function
- GetOAuthBetaHeader() function
- GetAPIKeyBetaHeader() function
- ApplyFingerprintOverrides() function

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
2026-04-09 00:46:41 +08:00
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