Fix update scheduling seed checks

[Kyle-Ye]

Summary

• Update GraphHost.updatePreferences() to use VersionSeed.matches(_:) when comparing the current host preference seed with the last recorded seed.
• Update DisplayLink.setNextUpdate(delay:interval:reasons:) to:
  • use delay >= 0.001
  • schedule with (currentUpdate ?? .systemUptime) + delay
  • keep interval for frame interval configuration

[augmentcode]

🤖 Augment PR Summary

Summary: Fixes preference update detection by using VersionSeed.matches(_:) so host preference changes (including initial/invalid seeds) are handled consistently.

Changes: Tweaks DisplayLink.setNextUpdate to schedule using (currentUpdate ?? .systemUptime) + delay (with a 1ms threshold) while keeping interval solely for frame-rate configuration.

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[augmentcode]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 27.19%. Comparing base (8b4076e) to head (ccf7de6).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #852       +/-   ##
===========================================
+ Coverage   14.41%   27.19%   +12.78%     
===========================================
  Files         634      673       +39     
  Lines       39006    44165     +5159     
===========================================
+ Hits         5621    12012     +6391     
+ Misses      33385    32153     -1232     

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