fix: resolve Linux logo display issues

src/apps/desktop/scripts/post-install-icons.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+# post-install script: install multi-size icons to hicolor theme
+# Tauri only installs 1024x1024; this adds smaller sizes for taskbar/dock/alt-tab
+
+ICON_SRC="/usr/lib/BitFun/share/icons"
+ICON_DST_BASE="/usr/share/icons/hicolor"
+
+# Try multiple possible source locations
+for src_dir in \
+  "/usr/lib/BitFun/share/icons" \
+  "/opt/bitfun/share/icons" \
+  "/usr/share/bitfun/icons"; do
+  if [ -d "$src_dir/hicolor" ]; then
+    ICON_SRC="$src_dir/hicolor"
+    break
+  fi
+done
+
+if [ ! -d "$ICON_SRC" ]; then
+  exit 0
+fi
+
+# Copy all icon sizes to system hicolor theme
+cp -rn "$ICON_SRC"/* "$ICON_DST_BASE/" 2>/dev/null || true
+
+# Update icon cache
+if command -v gtk-update-icon-cache &>/dev/null; then
+  gtk-update-icon-cache -f "$ICON_DST_BASE" 2>/dev/null || true
+fi
+
+exit 0

src/apps/desktop/tauri.conf.json

@@ -24,7 +24,21 @@
         "depends": [
           "libwebkit2gtk-4.1-0",
           "libgtk-3-0"
-        ]
+        ],
+        "files": {
+          "icons/hicolor/16x16/apps/bitfun-desktop.png": "/usr/share/icons/hicolor/16x16/apps/bitfun-desktop.png",
+          "icons/hicolor/32x32/apps/bitfun-desktop.png": "/usr/share/icons/hicolor/32x32/apps/bitfun-desktop.png",
+          "icons/hicolor/48x48/apps/bitfun-desktop.png": "/usr/share/icons/hicolor/48x48/apps/bitfun-desktop.png",
+          "icons/hicolor/64x64/apps/bitfun-desktop.png": "/usr/share/icons/hicolor/64x64/apps/bitfun-desktop.png",
+          "icons/hicolor/96x96/apps/bitfun-desktop.png": "/usr/share/icons/hicolor/96x96/apps/bitfun-desktop.png",
+          "icons/hicolor/128x128/apps/bitfun-desktop.png": "/usr/share/icons/hicolor/128x128/apps/bitfun-desktop.png",
+          "icons/hicolor/256x256/apps/bitfun-desktop.png": "/usr/share/icons/hicolor/256x256/apps/bitfun-desktop.png",
+          "icons/hicolor/512x512/apps/bitfun-desktop.png": "/usr/share/icons/hicolor/512x512/apps/bitfun-desktop.png"
+        },
+        "postInstallScript": "scripts/post-install-icons.sh"
+      },
+      "appimage": {
+        "bundleMediaFramework": false
       }
     }
   },

src/web-ui/src/app/components/SplashScreen/SplashScreen.scss

@@ -16,7 +16,9 @@
   display: flex;
   align-items: center;
   justify-content: center;
-  background: var(--color-bg-primary);
+  // Explicit dark background as fallback for Linux WebKitGTK
+  // where CSS variable might not load synchronously
+  background: var(--color-bg-primary, #121214);
   pointer-events: none;
 
   // ── Exit state ─────────────────────────────────────────────────────────────
@@ -45,6 +47,8 @@
 
 .splash-screen__logo-wrap {
   animation: splash-logo-idle 3.2s ease-in-out infinite;
+  // WebKit prefix for Linux WebKitGTK compatibility
+  -webkit-animation: splash-logo-idle 3.2s ease-in-out infinite;
 }
 
 .splash-screen__logo {
@@ -53,18 +57,20 @@
   height: 112px;
   border-radius: $size-radius-lg;
   user-select: none;
+  // Ensure proper rendering on Linux
+  -webkit-user-select: none;
 }
 
 // ── Keyframes ─────────────────────────────────────────────────────────────────
 
 // Idle logo: soft opacity pulse with a slight breathing scale
 @keyframes splash-logo-idle {
   0%, 100% {
-    opacity: 0.38;
+    opacity: 0.85;
     transform: scale(0.98);
   }
   50% {
-    opacity: 0.98;
+    opacity: 1;
     transform: scale(1);
   }
 }