feat: 集成漫画源并支持在线阅读

preload.js

@@ -1,15 +1,25 @@
 const { contextBridge, ipcRenderer } = require('electron');
 
 let downloadSeq = 0;
-function runDownload(requestId, url, suggestName, entryId, extraHeaders, meta, onProgress) {
+function invokeWithProgress(progressChannel, invokeChannel, requestId, args, onProgress) {
   const listener = (_event, data) => {
     if (!data || data.requestId !== requestId || typeof onProgress !== 'function') return;
     try { onProgress(data); } catch (e) { /* 渲染层进度回调异常不影响下载 */ }
   };
-  if (typeof onProgress === 'function') ipcRenderer.on('download:progress', listener);
+  if (typeof onProgress === 'function') ipcRenderer.on(progressChannel, listener);
   return ipcRenderer
-    .invoke('download:file', url, suggestName, entryId, extraHeaders, meta, requestId)
-    .finally(() => ipcRenderer.removeListener('download:progress', listener));
+    .invoke(invokeChannel, ...args, requestId)
+    .finally(() => ipcRenderer.removeListener(progressChannel, listener));
+}
+
+function runDownload(requestId, url, suggestName, entryId, extraHeaders, meta, onProgress) {
+  return invokeWithProgress(
+    'download:progress',
+    'download:file',
+    requestId,
+    [url, suggestName, entryId, extraHeaders, meta],
+    onProgress
+  );
 }
 
 function downloadFile(url, suggestName, entryId, extraHeaders, meta, onProgress) {
@@ -40,13 +50,30 @@ function captureReaderRect(rect) {
   return ipcRenderer.invoke('reader:captureRect', area);
 }
 
+let chapterDownloadSeq = 0;
+function runChapterDownload(sourceId, payload, onProgress) {
+  const requestId = `chapter_${Date.now().toString(36)}_${(++chapterDownloadSeq).toString(36)}`;
+  return invokeWithProgress(
+    'source:chapterProgress',
+    'source:downloadChapter',
+    requestId,
+    [sourceId, payload],
+    onProgress
+  );
+}
+
 contextBridge.exposeInMainWorld('api', {
   sources: {
     list: () => ipcRenderer.invoke('sources:list'),
     browse: (sourceId, page) => ipcRenderer.invoke('source:list', sourceId, page),
     search: (sourceId, keyword, page) => ipcRenderer.invoke('source:search', sourceId, keyword, page),
     detail: (sourceId, postId) => ipcRenderer.invoke('source:detail', sourceId, postId),
-    download: (sourceId, postId) => ipcRenderer.invoke('source:download', sourceId, postId)
+    download: (sourceId, postId) => ipcRenderer.invoke('source:download', sourceId, postId),
+    chapters: (sourceId, postId, page, options) => (
+      ipcRenderer.invoke('source:chapters', sourceId, postId, page, options)
+    ),
+    readOnline: (sourceId, input) => ipcRenderer.invoke('source:readOnline', sourceId, input),
+    downloadChapter: (sourceId, payload, onProgress) => runChapterDownload(sourceId, payload, onProgress)
   },
   library: {
     list: () => ipcRenderer.invoke('library:list'),