Refactor project structure to use pnpm monorepo; update Dockerfile and related configurations for frontend build process. Adjust .dockerignore and .gitignore to reflect new paths. Modify .env.example for cron job timing. Update CONTRIBUTING.md and README.md for new development instructions.

Dockerfile.test

@@ -4,8 +4,9 @@ FROM rust:1.85-bookworm AS test
 WORKDIR /app
 RUN apt-get update && apt-get install -y pkg-config libssl-dev curl && rm -rf /var/lib/apt/lists/*
 
-# Node for frontend tests
+# Node + pnpm for frontend tests
 RUN curl -fsSL https://deb.nodesource.com/setup_22.x | bash - && apt-get install -y nodejs
+RUN corepack enable
 
 COPY backend/Cargo.toml backend/Cargo.lock* ./backend/
 COPY backend/migrations ./backend/migrations/
@@ -13,10 +14,13 @@ COPY backend/src ./backend/src/
 WORKDIR /app/backend
 RUN cargo test --release
 
-COPY frontend/package.json frontend/package-lock.json /app/frontend/
-WORKDIR /app/frontend
-RUN npm ci
-COPY frontend/ /app/frontend/
-RUN npm run test
+COPY package.json pnpm-workspace.yaml pnpm-lock.yaml /app/
+COPY apps/web/package.json /app/apps/web/
+COPY packages/ui/package.json /app/packages/ui/
+WORKDIR /app
+RUN pnpm install --frozen-lockfile
+COPY apps/web /app/apps/web
+COPY packages/ui /app/packages/ui
+RUN pnpm --filter web test
 
-CMD ["sh", "-c", "cd /app/backend && cargo test && cd /app/frontend && npm run test"]
+CMD ["sh", "-c", "cd /app/backend && cargo test && cd /app && pnpm --filter web test"]