Build JS on CI host, copy dist into Docker image for faster arm64 builds; v1.0.5

Removes the build stage from Dockerfile so npm install/build no longer run under
QEMU emulation — only the lightweight runtime stage runs per-platform, making
arm64 images build reliably.

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

Dockerfile

@@ -1,12 +1,3 @@
-FROM node:22-alpine AS build
-WORKDIR /app
-
-COPY package*.json ./
-RUN npm ci --legacy-peer-deps
-
-COPY . .
-RUN npm run build
-
 FROM node:22-alpine AS runtime
 WORKDIR /app
 
@@ -19,10 +10,10 @@ ENV COMMIT_SHA=${COMMIT_SHA}
 COPY package*.json ./
 RUN npm ci --omit=dev --legacy-peer-deps
 
-COPY --from=build /app/dist ./dist
+COPY dist ./dist
 COPY server.js ./server.js
 COPY server/ ./server/
-COPY --from=build /app/A_Study_of_Titus.pdf ./A_Study_of_Titus.pdf
+COPY A_Study_of_Titus.pdf ./A_Study_of_Titus.pdf
 
 # Copy seed data to a separate directory so the entrypoint can seed /app/data
 # only when no live data exists yet — upgrades never overwrite existing data.