fix: sync API docs, register content-aware-resize, normalize tool counts

- Fix 23 OpenAPI schema discrepancies across 16+ tools (wrong ranges,
  missing fields, incorrect schemas for gif-tools/collage/ocr)
- Add content-aware-resize to canonical TOOLS array and landing BentoGrid
- Normalize tool count to 47 across README, docs, landing, i18n, OpenAPI
- Remove dead "automation" ToolCategory variant
- Add BMP and JPEG XL format decoding via ImageMagick
- Add libopenexr-dev to Docker runtime image
- Update e2e test selectors for current pipeline builder UI

docker/Dockerfile

@@ -149,6 +149,7 @@ RUN for i in 1 2 3; do apt-get -o Acquire::Retries=3 update && break || sleep $(
     tini \
     imagemagick \
     libraw-dev \
+    libopenexr-dev \
     potrace \
     curl \
     gosu \