[aidan] fix: prev. commit fix. restore ctrl+wheel canvas zoom over webview cards

electron/webview-preload.js

@@ -174,8 +174,21 @@ try {
   };
 
   const onWheelCapture = (e) => {
-    // Pinch / ctrl+wheel stays with the page (chromium's in-page zoom).
-    if (e.ctrlKey || e.metaKey) return;
+    if (e.ctrlKey || e.metaKey) {
+      e.preventDefault();
+      e.stopPropagation();
+      const iw = window.innerWidth || 1;
+      const ih = window.innerHeight || 1;
+      try {
+        ipcRenderer.sendToHost('canvas-wheel-zoom', {
+          deltaY: e.deltaY,
+          deltaMode: e.deltaMode,
+          fracX: Math.max(0, Math.min(1, e.clientX / iw)),
+          fracY: Math.max(0, Math.min(1, e.clientY / ih)),
+        });
+      } catch (_) {}
+      return;
+    }
     // Vertical-dominant scroll stays with the page.
     if (Math.abs(e.deltaX) <= Math.abs(e.deltaY)) return;
     // Horizontal-dominant: defer to the page if anything inside can absorb

frontend/src/app/pages/Dashboard/cards/BrowserCard.tsx

@@ -303,6 +303,10 @@ const BrowserCard: React.FC<Props> = ({
           // (the historical Windows mount segfault). Clear the crash-safety marker.
           if (isWindows) markWindowsWebviewSurvived();
           wv.loadURL(targetUrl).catch(() => {});
+          try {
+            (wv as any).setVisualZoomLevelLimits?.(1, 1);
+            (wv as any).setZoomFactor?.(1);
+          } catch (_) {}
         };
         wv.addEventListener('dom-ready', doLoad, { once: true });
         cleanups.push(() => wv.removeEventListener('dom-ready', doLoad));
@@ -323,6 +327,21 @@ const BrowserCard: React.FC<Props> = ({
           setPasskeyDialogOpen(true);
         } else if (e?.channel === 'browser-dblclick') {
           onDoubleClickRef.current?.(browserId, 'browser');
+        } else if (e?.channel === 'canvas-wheel-zoom') {
+          const payload = e.args?.[0] || {};
+          const wvRect = wv.getBoundingClientRect();
+          const fx = typeof payload.fracX === 'number' ? payload.fracX : 0.5;
+          const fy = typeof payload.fracY === 'number' ? payload.fracY : 0.5;
+          window.dispatchEvent(
+            new CustomEvent('openswarm:canvas-wheel-zoom', {
+              detail: {
+                deltaY: payload.deltaY ?? 0,
+                deltaMode: payload.deltaMode ?? 0,
+                clientX: wvRect.left + fx * wvRect.width,
+                clientY: wvRect.top + fy * wvRect.height,
+              },
+            }),
+          );
         } else if (e?.channel === 'canvas-wheel-pan') {
           // Plain wheel inside an unselected webview never bubbles out; the
           // preload forwards it here so the dashboard canvas can pan.

frontend/src/app/pages/Dashboard/hooks/interaction/useCanvasControls.ts

@@ -311,6 +311,23 @@ export function useCanvasControls(zoomSensitivity: number = 50, contentBounds?:
 
     el.addEventListener('wheel', onWheel, { passive: false });
 
+    const onForwardedZoom = (e: Event) => {
+      const detail = (e as CustomEvent).detail || {};
+      const dy = detail.deltaMode === 1 ? detail.deltaY * 40 : detail.deltaY;
+      const rect = el.getBoundingClientRect();
+      if (inertiaFrameRef.current) {
+        cancelAnimationFrame(inertiaFrameRef.current);
+        inertiaFrameRef.current = null;
+      }
+      pendingZoomDy += dy;
+      pendingZoomCenter = {
+        cx: (detail.clientX ?? 0) - rect.left,
+        cy: (detail.clientY ?? 0) - rect.top,
+      };
+      scheduleWheelFlush();
+    };
+    window.addEventListener('openswarm:canvas-wheel-zoom', onForwardedZoom);
+
     // Plain wheel inside a webview can't bubble out either; the preload
     // forwards horizontal-dominant scrolls as a pan when the guest page
     // has nothing to scroll horizontally, plus middle-mouse drag deltas.
@@ -330,6 +347,7 @@ export function useCanvasControls(zoomSensitivity: number = 50, contentBounds?:
 
     return () => {
       el.removeEventListener('wheel', onWheel);
+      window.removeEventListener('openswarm:canvas-wheel-zoom', onForwardedZoom);
       window.removeEventListener('openswarm:canvas-wheel-pan', onForwardedPan);
       if (wheelRafId != null) cancelAnimationFrame(wheelRafId);
       if (wheelIdleTimer != null) clearTimeout(wheelIdleTimer);