feat: 交互协调器拆分、附件提示、暗色图片适配、选区放大镜及文档清理
- 拆分 ContentDelegates/TextContentView 为独立协调器(InteractionCoordinator、LocationResolution、ExternalLinks、AttachmentTooltip) - 新增 RDEPUBAttachmentTooltipView/OverlayView 附件气泡提示 - 新增 RDEPUBDarkImageAdjuster 暗色模式图片亮度适配 - 新增 RDEPUBSelectionLoupeView 选区放大镜 - 新增 MetadataParseWorker/CancellationController 元数据解析取消机制 - 重构 PresentationRuntime/PaginationCoordinator 精简职责 - 优化 ChapterLoader/WarmupOrchestrator 异步章节加载 - CFI 模块微调与 NoteModels 更新 - 清理冗余文档,更新架构/UML/业务逻辑文档 Co-Authored-By: Claude <noreply@anthropic.com>
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import Foundation
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import CryptoKit
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extension String {
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/// trim 后空字符串返回 nil
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var rd_nilIfEmpty: String? {
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let trimmed = trimmingCharacters(in: .whitespacesAndNewlines)
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return trimmed.isEmpty ? nil : trimmed
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}
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/// SHA256 hex 摘要
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var rd_sha256Hex: String {
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let digest = SHA256.hash(data: Data(self.utf8))
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return digest.map { String(format: "%02x", $0) }.joined()
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}
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}
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