[fern-replay] Initialize Replay for SDK customizations

[fern-api]

Replay Initialization

This PR initializes Fern Replay for this SDK repository.
Replay automatically preserves your customizations across SDK regenerations.

Base generation commit: 06fd8a5

Clean start — no historical patches imported. Future customizations will be tracked automatically.

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Once merged, your customizations will be automatically preserved on future fern generate runs.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.05%. Comparing base (719005b) to head (6ccfc52).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #845   +/-   ##
=======================================
  Coverage   87.05%   87.05%           
=======================================
  Files         399      399           
  Lines      184162   184162           
=======================================
  Hits       160315   160315           
  Misses      17863    17863           
  Partials     5984     5984           

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