feat: chapter runtime refactoring and related updates

- Refactor chapter runtime: replace window coordinator/snapshot with warmup orchestrator
- Update EPUB core: parser, reading session, JS bridge, navigator layout
- Update reader controller: data source, location resolution, persistence
- Update chapter runtime: data cache, loader, runtime store, disk cache, warmup orchestrator
- Remove deprecated navigation state machine and pagination state
- Update text rendering: book cache, HTML normalizer
- Update UI: text content view, dark image adjuster, text selection controller
- Update settings and reader configuration
- Add CODE_REVIEW.md and AUDIT_FINAL.md documentation
- Update pod dependencies (remove SSAlertSwift, SnapKit)
- Update podspec and pod configuration files

Co-Authored-By: Claude <noreply@anthropic.com>

Sources/RDReaderView/EPUBUI/ReaderController/ChapterRuntime/RDEPUBChapterWarmupOrchestrator.swift

@@ -82,8 +82,6 @@ final class RDEPUBChapterWarmupOrchestrator {
             totalSpineCount: publication.spine.count,
             windowRadius: context.configuration.chapterWindowRadius
         )
-        presentationRuntime.navigationStateMachine.transition(to: .preparingChapter(spineIndex: spineIndex))
-
         if !chapterReady {
             guard allowSynchronousLoad else {
                 scheduleAsynchronousChapterPreparation(
@@ -105,7 +103,6 @@ final class RDEPUBChapterWarmupOrchestrator {
         }
 
         markPrepareResolved(pageNumber)
-        presentationRuntime.navigationStateMachine.transition(to: .presentingWindow)
         completion?(true)
         maybePrefetchUpcomingChapters(aroundAbsolutePageNumber: pageNumber, in: bookPageMap)
         scheduleAdjacentChapterPrefetches(for: spineIndex, totalSpineCount: publication.spine.count)
@@ -378,7 +375,6 @@ final class RDEPUBChapterWarmupOrchestrator {
             switch result {
             case .success:
                 self.markPrepareResolved(triggerPageNumber)
-                self.presentationRuntime.navigationStateMachine.transition(to: .presentingWindow)
                 completion?(true)
                 self.appendLoadedForwardChaptersToCurrentPageMapIfPossible()
                 self.refreshVisibleContentIfNeeded(afterPreparing: spineIndex, triggerPageNumber: triggerPageNumber)