Update .gitignore to exclude Android/Gradle files and enhance TimeEntryController and TimefixService for better error handling and performance. Refactor frontend components to use AppBrand for consistent branding across views.

frontend/src/components/AppBrand.vue

@@ -0,0 +1,54 @@
+<template>
+  <h1 class="brand">
+    <RouterLink :to="to" class="brand-link">
+      <img src="/stechuhr.png" alt="Stechuhr" class="brand-logo" width="32" height="32" />
+      <span class="brand-text">Stechuhr</span>
+    </RouterLink>
+  </h1>
+</template>
+
+<script setup>
+import { RouterLink } from 'vue-router'
+
+defineProps({
+  to: {
+    type: String,
+    default: '/',
+  },
+})
+</script>
+
+<style scoped>
+.brand {
+  margin: 0;
+  padding: 0;
+}
+
+.brand-link {
+  display: inline-flex;
+  align-items: center;
+  gap: 10px;
+  font-weight: bold;
+  color: #000;
+  padding: 8px 20px 8px 0;
+  font-size: 24px;
+  text-decoration: none;
+  transition: color 0.2s;
+}
+
+.brand-link:hover {
+  color: #333;
+}
+
+.brand-logo {
+  display: block;
+  flex-shrink: 0;
+  width: 32px;
+  height: 32px;
+  object-fit: contain;
+}
+
+.brand-text {
+  line-height: 1;
+}
+</style>