Use the supported Alpine 3.23 Node image to avoid vulnerable util-linux packages in Alpine 3.24. Force fast-uri 3.1.6 to resolve the SSRF advisories reported by the image scan.
Apply a patch to @embedpdf/plugin-zoom@2.15.0 so numeric default zoom levels release the startup
viewport gate once resize metrics are measured.
Add unit test to verify custom zoom initialization and scale calculation under EmbedPDF.
Closes#1126