sciagent code + Gitea Actions CI/CD

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

fe0/Dockerfile

@@ -0,0 +1,20 @@
+# Use Node.js 20 Alpine as the base image
+FROM node:22-alpine
+
+# Set working directory
+WORKDIR /app
+
+# Copy package.json and package-lock.json (if exists) to leverage Docker cache
+COPY package*.json ./
+
+# Install dependencies in a single RUN command to reduce layers
+RUN npm install 
+
+# Copy the rest of the application code
+COPY . .
+
+# Expose Vite's default port
+EXPOSE 8080
+
+# Install deps then dev server (needed when /app/node_modules is a Docker volume).
+CMD ["sh", "-c", "npm install && npm run dev -- --host 0.0.0.0 --port 8080"]