feat: EPUB阅读器搜索、注释、CFI模块及大书远距跳转优化

- 实现EPUB阅读器搜索功能及选中注释功能
- 优化CFI模块，修复代码审查发现的11个问题
- 实现大书远距目录跳转与后台补全优化方案
- 优化设置面板与章节运行时联动
- 重构及大量改进优化

Sources/RDReaderView/EPUBUI/Notes/RDEPUBNotePopupCoordinator.swift

@@ -0,0 +1,24 @@
+import UIKit
+
+final class RDEPUBNotePopupCoordinator {
+
+    static func present(
+        _ note: RDEPUBResolvedNote,
+        from controller: UIViewController,
+        onReturnToSource: (() -> Void)? = nil,
+        onOpenNoteLocation: (() -> Void)? = nil
+    ) {
+        let popup = RDEPUBNotePopupViewController(
+            note: note,
+            onReturnToSource: onReturnToSource,
+            onOpenNoteLocation: onOpenNoteLocation
+        )
+        let navigationController = UINavigationController(rootViewController: popup)
+        navigationController.modalPresentationStyle = .pageSheet
+        if let sheet = navigationController.sheetPresentationController {
+            sheet.detents = [.medium(), .large()]
+            sheet.prefersGrabberVisible = true
+        }
+        controller.present(navigationController, animated: true)
+    }
+}