refactor contract handling to support single route per contract and improve reference generation logic

apps/edr-freight-api/Dockerfile

@@ -17,10 +17,6 @@ RUN pnpm dlx turbo prune "@edr/freight-api" --docker
 FROM base AS installer
 COPY --from=pruner /app/out/json/ .
 COPY --from=pruner /app/out/pnpm-lock.yaml ./pnpm-lock.yaml
-# Puppeteer's bundled Chromium can't run on Alpine (glibc build). Skip its
-# download here — the runner installs Alpine's system Chromium instead and we
-# point PUPPETEER_EXECUTABLE_PATH at it.
-ENV PUPPETEER_SKIP_DOWNLOAD=true
 RUN --mount=type=secret,id=npmrc,target=./.npmrc,required=false \
     --mount=type=cache,id=pnpm,target=/pnpm/store \
     pnpm install --frozen-lockfile
@@ -32,26 +28,12 @@ RUN pnpm turbo build --filter="@edr/freight-api..."
 
 FROM base AS deployer
 COPY --from=builder /app/ .
-ENV PUPPETEER_SKIP_DOWNLOAD=true
 RUN --mount=type=cache,id=pnpm,target=/pnpm/store \
     pnpm deploy --filter="@edr/freight-api" --prod --legacy /deploy
 
 FROM node:24.15.0-alpine AS runner
-# Chromium + fonts so puppeteer can render contract PDFs (HTML -> PDF). Without
-# a working browser the PDF service falls back to an unstyled text-only PDF.
-RUN apk add --no-cache \
-    libc6-compat \
-    chromium \
-    nss \
-    freetype \
-    harfbuzz \
-    ttf-freefont \
-    font-noto \
-    font-noto-cjk
+RUN apk add --no-cache libc6-compat
 ENV NODE_ENV=production
-# Point puppeteer at the system Chromium and stop it trying to download its own.
-ENV PUPPETEER_SKIP_DOWNLOAD=true
-ENV PUPPETEER_EXECUTABLE_PATH=/usr/bin/chromium-browser
 WORKDIR /app
 RUN addgroup --system --gid 1001 nodejs \
     && adduser --system --uid 1001 --ingroup nodejs nestjs