chore(dify-ui): update theme tokens

[lyzno1]

Summary

• update generated Dify UI light and dark theme token outputs
• refresh the theme token bridge so exported CSS variables stay aligned with the generated token set

Validation

• git diff --check
• pnpm --dir packages/dify-ui type-check

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.33%. Comparing base (46163c6) to head (ce3dae1).
⚠️ Report is 6 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #38189   +/-   ##
=======================================
  Coverage   85.32%   85.33%           
=======================================
  Files        4967     4967           
  Lines      258521   258521           
  Branches    49059    49059           
=======================================
+ Hits       220595   220596    +1     
+ Misses      33633    33632    -1     
  Partials     4293     4293           

Flag	Coverage Δ
dify-ui	94.93% <ø> (ø)
web	85.05% <ø> (+<0.01%)	⬆️

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