[Kyle-Ye]

Summary

• Add Section initializers, expansion bindings, collapsibility, and section style selection.
• Add section actions and move/delete interactions, with platform item readers and strategies.
• Add help text and tooltip support for sidebar section actions.

Validation

The updated style files pass Swift syntax checks for iOS, macOS, and visionOS.

Closes #1240

[tuist]

🛠️ Tuist Run Report 🛠️

Tests 🧪

Scheme	Status	Ran test modules	Commit
OpenSwiftUI	✅	7	a4f702653

Builds 🔨

Scheme	Status	Duration	Commit
OpenSwiftUI	✅	2m 7s	a4f702653

[codecov]

Codecov Report

❌ Patch coverage is 0% with 523 lines in your changes missing coverage. Please review.
✅ Project coverage is 28.03%. Comparing base (23f0cf8) to head (3f70c1e).

Files with missing lines	Patch %	Lines
Sources/OpenSwiftUI/View/Section/Sections.swift	0.00%	73 Missing ⚠️
...ntegration/PlatformItems/PlatformItemsReader.swift	0.00%	61 Missing ⚠️
...ources/OpenSwiftUI/View/Help/TooltipModifier.swift	0.00%	61 Missing ⚠️
Sources/OpenSwiftUI/View/Section/Section.swift	0.00%	52 Missing ⚠️
...egration/PlatformItems/PlatformItemsStrategy.swift	0.00%	36 Missing ⚠️
.../View/Section/SectionedIdentifierAccumulator.swift	0.00%	31 Missing ⚠️
Sources/OpenSwiftUI/View/Help/HelpStyle.swift	0.00%	30 Missing ⚠️
.../OpenSwiftUI/View/Section/ListSectionSpacing.swift	0.00%	28 Missing ⚠️
...s/OpenSwiftUI/View/Section/PlainSectionStyle.swift	0.00%	26 Missing ⚠️
Sources/OpenSwiftUI/View/List/OnMove.swift	0.00%	23 Missing ⚠️
... and 9 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1244      +/-   ##
==========================================
- Coverage   31.81%   28.03%   -3.78%     
==========================================
  Files         990      935      -55     
  Lines       81703    69190   -12513     
==========================================
- Hits        25991    19397    -6594     
+ Misses      55712    49793    -5919     

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