ci: self-hosted map assets for e2e — download + cache pack, mount ./public

.gitea/workflows/ci.yml

@@ -86,6 +86,36 @@ jobs:
 
       # No explicit save step: caches marked by the restore steps are uploaded automatically at job end.
 
+      # Map e2e tests abort ALL *.openfreemap.org traffic (page.route → route.abort()), assuming
+      # styles/fonts/sprites are SELF-HOSTED from /styles, /fonts, /sprites — locally that pack is
+      # produced by `npm run assets:download` and reaches the app via the compose volume mount.
+      # CI must reproduce it or lib/mapStyles.ts probes /map-assets-manifest.json, finds nothing,
+      # falls back to remote OFM styles — which the tests abort → style never loads (the
+      # deterministic map.spec.ts wheel-zoom + style-switcher failures). The script needs no env
+      # vars/args and writes into ./public (git-ignored, docker-excluded; the app container gets
+      # it via the volume mount in docker-compose.ci.yml).
+      - name: Restore map assets cache
+        uses: actions/cache@v4
+        continue-on-error: true
+        with:
+          path: public/
+          key: ${{ runner.os }}-map-assets-${{ hashFiles('scripts/download-map-assets.mjs') }}
+
+      # Retried: the runner's uplink is flaky (same transient EAI_AGAIN pattern as dep install).
+      # The job-end cache upload seeds public/ for future runs; a partial pack without
+      # map-assets-manifest.json is harmless — the app probes that manifest and falls back to
+      # remote styles when it's missing.
+      - name: Download map assets (retries)
+        run: |
+          set -u
+          ok=0
+          for i in 1 2 3 4 5 6; do
+            if npm run assets:download; then ok=1; break; fi
+            echo "::warning::map assets download attempt $i/6 failed (likely transient network) — retrying in 5s" >&2
+            sleep 5
+          done
+          [ "$ok" = "1" ] || { echo "::error::map assets download failed after 6 attempts" >&2; exit 1; }
+
       - name: Build
         run: npm run build