[Kyle-Ye]

Summary

Close #1206.

• Implement named, custom, and numeric content transition values, environment modifiers, and protobuf coding.
• Convert transitions to backend descriptors, emit content transition display-list groups, and resolve symbol image animation timing and replacement behavior.
• Add 38 focused tests covering transition values, encoding, descriptors, and image dispatch, including isolated v5/v6 semantics coverage.
• Add a numeric text transition example that compares an explicit transition with the default text transition.

Dependency

• DarwinPrivateFrameworks#84 (merged).
• OpenRenderBox#38 (merged).

[tuist]

🛠️ Tuist Run Report 🛠️

Tests 🧪

Scheme	Status	Ran test modules	Commit
OpenSwiftUI	✅	7	0ca46e7c6

Builds 🔨

Scheme	Status	Duration	Commit
OpenSwiftUI	✅	49.4s	0ca46e7c6

[codecov]

Codecov Report

❌ Patch coverage is 97.90076% with 11 lines in your changes missing coverage. Please review.
✅ Project coverage is 32.00%. Comparing base (8814564) to head (f6fb2d5).

Files with missing lines	Patch %	Lines
...ICore/Animation/Transition/ContentTransition.swift	98.39%	8 Missing ⚠️
...ore/Animation/Animation/TransactionAnimation.swift	0.00%	2 Missing ⚠️
...OpenSwiftUI/Render/SymbolEffect/SymbolEffect.swift	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1237      +/-   ##
==========================================
+ Coverage   27.75%   32.00%   +4.25%     
==========================================
  Files         908      982      +74     
  Lines       67675    81174   +13499     
==========================================
+ Hits        18780    25977    +7197     
- Misses      48895    55197    +6302     

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.