Update GestureNode phase enqueue API

[Kyle-Ye]

Summary

• add GestureNode phase enqueue/update flow with pending phase queue processing
• add OpenGestures logging support and internal diagnostics interpose hook
• update GestureNode compatibility coverage and phase queue tests

Verification

• swift test
• OPENGESTURES_USE_LOCAL_DEPS=1 OPENGESTURES_COMPATIBILITY_TEST=1 DARWINPRIVATEFRAMEWORKS_TARGET_RELEASE=2025 xcodebuild test -scheme OpenGestures -destination 'platform=iOS Simulator,name=iPhone 17 Pro,OS=26.2' -sdk iphonesimulator26.2 -skipPackageUpdates

[codecov-commenter]

Codecov Report

❌ Patch coverage is 34.65347% with 264 lines in your changes missing coverage. Please review.
✅ Project coverage is 75.71%. Comparing base (1aba1db) to head (4157062).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
Sources/OpenGestures/Node/GestureNode.swift	21.56%	120 Missing ⚠️
Sources/OpenGestures/Log.swift	0.00%	63 Missing ⚠️
...estures/Component/GestureComponentController.swift	0.00%	42 Missing ⚠️
...ces/OpenGestures/Node/GestureNodeCoordinator.swift	0.00%	28 Missing ⚠️
Sources/COpenGestures/interpose.c	0.00%	8 Missing ⚠️
...penGesturesTests/Core/GesturePhaseQueueTests.swift	95.83%	2 Missing ⚠️
Sources/OpenGestures/Core/GestureRelation.swift	93.75%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #16      +/-   ##
==========================================
- Coverage   78.55%   75.71%   -2.84%     
==========================================
  Files          71       72       +1     
  Lines        1814     2055     +241     
==========================================
+ Hits         1425     1556     +131     
- Misses        389      499     +110     

Flag	Coverage Δ
ios	68.86% <26.40%> (-3.43%)	⬇️
macos	76.01% <35.35%> (-2.55%)	⬇️

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