Fix droppable signature and dependency handling

internal/ui/components.go

@@ -9,6 +9,7 @@ import (
 	"fyne.io/fyne/v2"
 	"fyne.io/fyne/v2/canvas"
 	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/driver/desktop"
 	"fyne.io/fyne/v2/theme"
 	"fyne.io/fyne/v2/widget"
 	"git.leaktechnologies.dev/stu/VideoTools/internal/logging"
@@ -288,19 +289,16 @@ func (d *Droppable) CreateRenderer() fyne.WidgetRenderer {
 	}
 }
 
-// DraggedOver highlights when drag is over (optional)
-func (d *Droppable) DraggedOver(pos fyne.Position) {
-	_ = pos
-}
+// Dragged satisfies desktop.DropTarget; no-op highlight for now.
+func (d *Droppable) Dragged(_ *desktop.DragEvent) {}
 
 // DraggedOut clears highlight (optional)
 func (d *Droppable) DraggedOut() {}
 
 // Dropped handles drop events
-func (d *Droppable) Dropped(pos fyne.Position, items []fyne.URI) {
-	_ = pos
-	if d.onDropped != nil {
-		d.onDropped(items)
+func (d *Droppable) Dropped(ev *desktop.DragEvent) {
+	if d.onDropped != nil && ev != nil {
+		d.onDropped(ev.URIs)
 	}
 }
 

scripts/build-linux.sh

@@ -29,17 +29,24 @@ echo ""
 cd "$PROJECT_ROOT"
 
 echo "🧹 Cleaning previous builds and cache..."
-go clean -cache -modcache -testcache 2>/dev/null || true
+go clean -cache -testcache 2>/dev/null || true
 rm -f "$BUILD_OUTPUT" 2>/dev/null || true
 # Also clear build cache directory to avoid permission issues
 rm -rf "${GOCACHE:-$HOME/.cache/go-build}" 2>/dev/null || true
 echo "✓ Cache cleaned"
 echo ""
 
-echo "⬇️  Downloading and verifying dependencies..."
-go mod download
-go mod verify
-echo "✓ Dependencies verified"
+echo "⬇️  Downloading and verifying dependencies (skips if already cached)..."
+if go list -m all >/dev/null 2>&1; then
+    echo "✓ Dependencies already present"
+else
+    if go mod download && go mod verify; then
+        echo "✓ Dependencies downloaded and verified"
+    else
+        echo "❌ Failed to download/verify modules. Check network/GOPROXY or try again."
+        exit 1
+    fi
+fi
 echo ""
 
 echo "🔨 Building VideoTools..."