fix: support webkit2gtk-4.1 (Ubuntu 24.04) in Linux build script

- Detect webkit2gtk-4.1 and add webkit2_41 build tag for Wails
- Accept either webkit2gtk-4.0 or 4.1 in prerequisite check
- Use CGO_ENABLED=0 + notray for server build (consistent with GoReleaser)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

edge-ai-platform/scripts/build-installer-linux.sh

@@ -43,7 +43,10 @@ command -v wails   >/dev/null 2>&1 || missing+=("Wails (go install github.com/wa
 
 # Check Wails Linux dependencies
 pkg-config --exists gtk+-3.0 2>/dev/null || missing+=("libgtk-3-dev (sudo apt-get install libgtk-3-dev)")
-pkg-config --exists webkit2gtk-4.0 2>/dev/null || missing+=("libwebkit2gtk-4.0-dev (sudo apt-get install libwebkit2gtk-4.0-dev)")
+# Ubuntu 24.04+ uses webkit2gtk-4.1, older versions use 4.0
+if ! pkg-config --exists webkit2gtk-4.1 2>/dev/null && ! pkg-config --exists webkit2gtk-4.0 2>/dev/null; then
+    missing+=("libwebkit2gtk-4.1-dev (sudo apt-get install libwebkit2gtk-4.1-dev)")
+fi
 
 if [ ${#missing[@]} -gt 0 ]; then
     echo -e "${RED}Missing prerequisites:${NC}"
@@ -77,7 +80,8 @@ step "3/5 Building server"
 
 mkdir -p dist
 cd server
-CGO_ENABLED=1 go build \
+CGO_ENABLED=0 go build \
+    -tags notray \
     -ldflags="-s -w" \
     -o ../dist/edge-ai-server \
     main.go
@@ -124,7 +128,15 @@ info "Payload staged: $file_count files."
 step "5/5 Building Wails installer"
 
 cd installer
-wails build -clean
+
+# Ubuntu 24.04+ uses webkit2gtk-4.1; Wails needs a build tag for it
+WAILS_EXTRA_TAGS=""
+if pkg-config --exists webkit2gtk-4.1 2>/dev/null && ! pkg-config --exists webkit2gtk-4.0 2>/dev/null; then
+    WAILS_EXTRA_TAGS="-tags webkit2_41"
+    info "Detected webkit2gtk-4.1, using webkit2_41 build tag"
+fi
+
+wails build -clean $WAILS_EXTRA_TAGS
 cd "$BASE_DIR"
 
 output="installer/build/bin/EdgeAI-Installer"