feat: worst-scan fansub web — initial release

Posts engine (SQLite + auto-publisher via poller), public feed with
clickable tags, reader, admin panel, submit/search/queue tools.
BFF proxy to pipeline API. Clean dark design. Docker-ready.

src/lib/cbz.ts

@@ -0,0 +1,41 @@
+import JSZip from "jszip"
+
+const imageExts = new Set([".jpg", ".jpeg", ".png", ".webp", ".gif", ".bmp"])
+
+export async function loadPagesFromCbz(
+  url: string,
+  signal?: AbortSignal,
+): Promise<{ pages: string[]; pageCount: number }> {
+  const response = await fetch(url, { signal })
+  if (!response.ok) throw new Error(`Failed to fetch CBZ: ${response.status}`)
+
+  const blob = await response.blob()
+  const zip = await JSZip.loadAsync(blob)
+
+  const imageEntries = Object.entries(zip.files)
+    .filter(([name, file]) => {
+      const ext = name.toLowerCase().slice(name.lastIndexOf("."))
+      return !file.dir && imageExts.has(ext)
+    })
+    .sort(([a], [b]) => {
+      const numA = parseInt(a.match(/(\d+)/)?.[1] || "0", 10)
+      const numB = parseInt(b.match(/(\d+)/)?.[1] || "0", 10)
+      return numA - numB
+    })
+
+  const pageCount = imageEntries.length
+  const pages: string[] = []
+
+  for (const [, file] of imageEntries) {
+    const blob = await file.async("blob")
+    pages.push(URL.createObjectURL(blob))
+  }
+
+  return { pages, pageCount }
+}
+
+export function revokePageUrls(urls: string[]) {
+  for (const url of urls) {
+    URL.revokeObjectURL(url)
+  }
+}