fix: default light mode + lock deps with npm ci in both Dockerfiles

Dockerfile

@@ -3,7 +3,7 @@ FROM node:20-alpine AS build-step
 
 WORKDIR /app/frontend
 COPY frontend/package*.json ./
-RUN npm install
+RUN npm ci --ignore-scripts
 
 COPY frontend/ ./
 RUN npm run build

Dockerfile.frontend

@@ -1,6 +1,6 @@
 FROM node:20-alpine
 WORKDIR /app
 COPY frontend/package*.json ./
-RUN npm install
+RUN npm ci --ignore-scripts
 COPY frontend/ .
 EXPOSE 5173

frontend/src/api/client.js

@@ -3,7 +3,7 @@ import axios from "axios";
 const api = axios.create({
   // Use relative paths in production (Hugging Face) so it hits the same domain.
   // In local dev, continue reaching out to FastAPI on port 8000.
-  baseURL: import.meta.env.PROD ? "" : "http://127.0.0.1:8000"
+  baseURL: import.meta.env.PROD ? "" : "http://127.0.0.1:8001"
 });
 
 export async function summarizeText(payload) {

frontend/src/pages/Home.jsx

@@ -13,7 +13,7 @@ const FALLBACK_TEXT = {
 };
 
 export default function Home() {
-  const [isDark, setIsDark] = useState(true);
+  const [isDark, setIsDark] = useState(false);
   const [datasetTrack, setDatasetTrack] = useState("gcc");
   const [text, setText] = useState(FALLBACK_TEXT.gcc);
   const [modelChoice, setModelChoice] = useState("bart_large_cnn");