Replace mutex-based caching with suspendLazy for font bytes and codepoints, decode in Dispatchers.Default

[egorikftp]

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📝 Changelog

If this PR introduces user-facing changes, please update the relevant Unreleased section in changelogs:

• 🔌 IntelliJ Plugin
• 🖥️ CLI
• 🐘 Gradle Plugin

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 9e7b773 and 61402c7.

📒 Files selected for processing (5)

• tools/idea-plugin/src/main/kotlin/io/github/composegears/valkyrie/ui/screen/webimport/standard/bootstrap/data/BootstrapRepository.kt
• tools/idea-plugin/src/main/kotlin/io/github/composegears/valkyrie/ui/screen/webimport/standard/boxicons/data/BoxIconsRepository.kt
• tools/idea-plugin/src/main/kotlin/io/github/composegears/valkyrie/ui/screen/webimport/standard/lucide/data/LucideRepository.kt
• tools/idea-plugin/src/main/kotlin/io/github/composegears/valkyrie/ui/screen/webimport/standard/remix/data/RemixRepository.kt
• tools/idea-plugin/src/main/kotlin/io/github/composegears/valkyrie/util/coroutines/SuspendLazyProperty.kt

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Walkthrough

This PR replaces Mutex-based manual caching with a new suspendLazy utility across four repository files. A new SuspendLazyProperty class is introduced, providing thread-safe lazy initialization for suspend functions using double-checked locking. BootstrapRepository, BoxIconsRepository, LucideRepository, and RemixRepository are refactored to use suspendLazy for caching font bytes and codepoints. RemixRepository additionally manages SVG metadata and version information through the new utility. Public API signatures remain mostly unchanged, with RemixRepository adding loadFontBytes() as a new public method. Explicit Mutex imports and synchronization blocks are removed from all repositories.

🚥 Pre-merge checks | ✅ 1 | ❌ 2

❌ Failed checks (2 warnings)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The description matches the template structure with the Changelog section present, but all checkboxes remain unchecked despite significant internal refactoring affecting the IntelliJ Plugin.	Mark the IntelliJ Plugin checkbox as checked to indicate the architecture changes should be documented in the changelog.
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (1 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately summarizes the main change: replacing mutex-based caching with suspendLazy and mentions the secondary objective of decoding in Dispatchers.Default.

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✨ Finishing Touches

• 📝 Generate docstrings (stacked PR)
• 📝 Generate docstrings (commit on current branch)

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch task/suspend-lazy

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