Red SMD LED 0402 - Inolux IN-S42ATR

@@ -1746,6 +1746,29 @@   } catch (e) { statusEl.textContent = 'init error: ' + e.message; window._err = (e.stack || e.message); console.error(e); } })(); </script>++<style>html,body{overscroll-behavior:none}</style>+<script>+/* Keep the wheel inside the viewer. Capture phase + passive:false so this runs BEFORE+   Babylon's own handler and is actually allowed to cancel. Registered in its own script+   tag: if the viewer's init throws, this still binds. */+(function () {+  addEventListener('wheel', function (e) {+    // Let a genuinely scrollable panel scroll itself; only cancel once it has nowhere left+    // to go (which is what would otherwise chain out to the page).+    for (var n = e.target; n &amp;&amp; n !== document.documentElement; n = n.parentElement) {+      var oy = getComputedStyle(n).overflowY;+      if ((oy === 'auto' || oy === 'scroll') &amp;&amp; n.scrollHeight > n.clientHeight) {+        var atTop = n.scrollTop <= 0;+        var atEnd = n.scrollTop + n.clientHeight >= n.scrollHeight - 1;+        if (!(e.deltaY < 0 &amp;&amp; atTop) &amp;&amp; !(e.deltaY > 0 &amp;&amp; atEnd)) return;+        break;+      }+    }+    e.preventDefault();+  }, { passive: false, capture: true });+})();+</script> " title="IN-S42ATR 3D assembly viewer"               sandbox="allow-scripts allow-popups" allow="fullscreen"></iframe>     </div>

@@ -47,6 +47,18 @@ Interactive symbol and footprint viewers, side by side, generated with into `README.html` as `srcdoc` — a nested `<iframe src=…>` cannot work, because the wiki serves the README sandboxed without `allow-same-origin`. +### Scroll containment++The 3D viewer is inlined with a small patch appended (`VIEWER_SCROLL_PATCH` in+`gen/build_readme.py`, deliberately kept out of `gen/timeline-viewer.html` so that file stays+the pristine extracted copy). Without it, scrolling to zoom the model also scrolled the wiki+page: the viewer document registers no wheel listener of its own — Babylon attaches one for+camera dolly and never calls `preventDefault` — so the compositor scrolled the nearest+scrollable ancestor without even dispatching a wheel event into the viewer frame. The+`adom-symbol` and `adom-footprint` embeds already `preventDefault` in their own wheel+handlers, which is why only the 3D viewer leaked. Regression test:+`preview/check-scroll-capture.mjs` (build with `--no-viewer-patch` to see it fail).+ ## Datasheet  **IN-S42AT series — Top View SMD LED 0402 PCB Type**, V1.1, revised 25 April 2017, 14 pages,