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/EPUBCore/CFI/RDEPUBCFIResolver.swift

@@ -28,7 +28,7 @@ public enum RDEPUBCFIResolver {
         if cfi.packagePath.steps.count >= 3 {
             manifestStep = cfi.packagePath.steps[2]
         } else {
-            manifestStep = cfi.packagePath.steps.last(where: { $0.idAssertion?.nilIfEmpty != nil })
+            manifestStep = cfi.packagePath.steps.last(where: { $0.idAssertion?.rd_cfiNilIfEmpty != nil })
         }
         let href = manifestStep?.idAssertion
 
@@ -40,7 +40,7 @@ public enum RDEPUBCFIResolver {
             fileIndex = nil
         }
 
-        let fragmentID = cfi.contentPath.steps.last(where: { $0.idAssertion?.nilIfEmpty != nil })?.idAssertion
+        let fragmentID = cfi.contentPath.steps.last(where: { $0.idAssertion?.rd_cfiNilIfEmpty != nil })?.idAssertion
         return RDEPUBCFIResolverResult(
             href: href,
             fileIndex: fileIndex,
@@ -48,4 +48,4 @@ public enum RDEPUBCFIResolver {
             fragmentID: fragmentID
         )
     }
-}
+}