Add DRM downloads, scrapers, gallery index, and UI improvements

- DRM video download pipeline with pywidevine subprocess for Widevine key acquisition
- Scraper system: forum threads, Coomer/Kemono API, and MediaLink (Fapello) scrapers
- SQLite-backed media index for instant gallery loads with startup scan
- Duplicate detection and gallery filtering/sorting
- HLS video component, log viewer, and scrape management UI
- Dockerfile updated for Python/pywidevine, docker-compose volume for CDM

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

client/src/App.jsx

@@ -8,6 +8,8 @@ import UserPosts from './pages/UserPosts'
 import Downloads from './pages/Downloads'
 import Search from './pages/Search'
 import Gallery from './pages/Gallery'
+import Duplicates from './pages/Duplicates'
+import Scrape from './pages/Scrape'
 
 const navItems = [
   { to: '/feed', label: 'Feed', icon: FeedIcon },
@@ -15,6 +17,7 @@ const navItems = [
   { to: '/search', label: 'Search', icon: SearchIcon },
   { to: '/downloads', label: 'Downloads', icon: DownloadIcon },
   { to: '/gallery', label: 'Gallery', icon: GalleryNavIcon },
+  { to: '/scrape', label: 'Scrape', icon: ScrapeIcon },
   { to: '/', label: 'Settings', icon: SettingsIcon },
 ]
 
@@ -111,6 +114,8 @@ export default function App() {
             <Route path="/search" element={<Search />} />
             <Route path="/downloads" element={<Downloads />} />
             <Route path="/gallery" element={<Gallery />} />
+            <Route path="/duplicates" element={<Duplicates />} />
+            <Route path="/scrape" element={<Scrape />} />
           </Routes>
         </div>
       </main>
@@ -160,6 +165,14 @@ function GalleryNavIcon({ className }) {
   )
 }
 
+function ScrapeIcon({ className }) {
+  return (
+    <svg className={className} fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={1.5}>
+      <path strokeLinecap="round" strokeLinejoin="round" d="M12 21a9.004 9.004 0 008.716-6.747M12 21a9.004 9.004 0 01-8.716-6.747M12 21c2.485 0 4.5-4.03 4.5-9S14.485 3 12 3m0 18c-2.485 0-4.5-4.03-4.5-9S9.515 3 12 3m0 0a8.997 8.997 0 017.843 4.582M12 3a8.997 8.997 0 00-7.843 4.582m15.686 0A11.953 11.953 0 0112 10.5c-2.998 0-5.74-1.1-7.843-2.918m15.686 0A8.959 8.959 0 0121 12c0 .778-.099 1.533-.284 2.253m0 0A17.919 17.919 0 0112 16.5c-3.162 0-6.133-.815-8.716-2.247m0 0A9.015 9.015 0 013 12c0-1.605.42-3.113 1.157-4.418" />
+    </svg>
+  )
+}
+
 function SettingsIcon({ className }) {
   return (
     <svg className={className} fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={1.5}>