Add SQLite fallback, better-sqlite3 native install, updated server+frontend

Dockerfile

@@ -1,26 +1,34 @@
 FROM node:20-slim
 
-# Install yt-dlp and dependencies
+# Install system tools
 RUN apt-get update && apt-get install -y \
     python3 \
     python3-pip \
-    curl \
     ffmpeg \
+    make \
+    g++ \
     && pip3 install yt-dlp --break-system-packages \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app
 
+# Install native Node addons (better-sqlite3 needs compilation)
+COPY package.json ./
+RUN npm install --omit=dev
+
 # Copy pre-built server bundle
 COPY server/ ./server/
 
-# Copy built frontend (static files)
+# Copy built frontend
 COPY public/ ./public/
 
 ENV PORT=7860
 ENV NODE_ENV=production
 ENV STATIC_DIR=/app/public
+ENV SQLITE_DIR=/data
+
+RUN mkdir -p /data
 
 EXPOSE 7860
 

package.json

@@ -0,0 +1,8 @@
+{
+  "name": "linkati-hf",
+  "version": "1.0.0",
+  "private": true,
+  "dependencies": {
+    "better-sqlite3": "^12.9.0"
+  }
+}