feat(Moderation): implement moderation reports feature

- Added moderationRouter to handle moderation-related API routes.
- Introduced new methods in AdminController for fetching all regions, region types, and creating regions.
- Enhanced adminRouter with routes for moderation reports and status updates.
- Updated navigationController to include moderation reports in the admin menu.
- Implemented frontend components for reporting messages in the forum and managing moderation reports.
- Added internationalization support for moderation-related texts in multiple languages.

frontend/src/components/AppHeader.vue

@@ -8,6 +8,16 @@
           <span>{{ $t('appShell.header.tagline') }}</span>
         </div>
       </div>
+      <div class="header-ad" v-if="showHeaderAd">
+        <ins
+          class="adsbygoogle"
+          style="display:block"
+          data-ad-client="ca-pub-1104166651501135"
+          :data-ad-slot="adSlotId"
+          data-ad-format="auto"
+          data-full-width-responsive="true"
+        ></ins>
+      </div>
       <div class="header-meta">
         <div class="header-meta__context">
           <span class="header-pill">{{ $t('appShell.header.beta') }}</span>
@@ -49,6 +59,7 @@ export default {
   name: 'AppHeader',
   data() {
     return {
+      adInitialized: false,
       /** Endonyme: jede Sprache bezeichnet sich in ihrer eigenen Sprache. */
       uiLocaleOptions: [
         { value: 'de', nativeLabel: 'Deutsch' },
@@ -76,9 +87,49 @@ export default {
         'status-disconnected': this.daemonConnectionStatus === 'disconnected',
         'status-error': this.daemonConnectionStatus === 'error'
       };
+    },
+    showHeaderAd() {
+      if (!this.adSlotId) {
+        return false;
+      }
+      const path = this.$route?.path || '';
+      // Anzeigen bevorzugt auf Bereichen mit dauerhaftem, inhaltlich starkem Content.
+      return (
+        path === '/' ||
+        path.startsWith('/blogs') ||
+        path.startsWith('/socialnetwork/forum') ||
+        path.startsWith('/socialnetwork/forumtopic') ||
+        path.startsWith('/socialnetwork/vocab/courses') ||
+        path.startsWith('/falukant/home')
+      );
+    },
+    adSlotId() {
+      const slot = String(import.meta.env.VITE_ADSENSE_HEADER_SLOT || '').trim();
+      return /^\d{6,}$/.test(slot) ? slot : '';
+    }
+  },
+  watch: {
+    showHeaderAd: {
+      immediate: true,
+      handler(next) {
+        if (next) {
+          this.$nextTick(() => this.initHeaderAd());
+        }
+      }
     }
   },
   methods: {
+    initHeaderAd() {
+      if (!this.showHeaderAd) return;
+      if (this.adInitialized) return;
+      if (typeof window === 'undefined' || !window.adsbygoogle) return;
+      try {
+        (window.adsbygoogle = window.adsbygoogle || []).push({});
+        this.adInitialized = true;
+      } catch (err) {
+        console.warn('AppHeader: adsense slot init failed', err);
+      }
+    },
     async onUiLanguageChange(code) {
       if (!SUPPORTED_UI_LOCALES.includes(code)) {
         return;
@@ -144,7 +195,7 @@ export default {
   margin: 0 auto;
   display: flex;
   align-items: center;
-  justify-content: space-between;
+  justify-content: flex-start;
   gap: 16px;
 }
 
@@ -197,6 +248,17 @@ export default {
   display: flex;
   align-items: center;
   gap: 12px;
+  margin-left: auto;
+}
+
+.header-ad {
+  flex: 1 1 260px;
+  min-width: 180px;
+  max-width: 560px;
+}
+
+.header-ad .adsbygoogle {
+  min-height: 54px;
 }
 
 .header-meta__context {
@@ -327,6 +389,13 @@ export default {
     flex-wrap: wrap;
   }
 
+  .header-ad {
+    order: 3;
+    width: 100%;
+    max-width: none;
+    flex: 1 1 100%;
+  }
+
   .header-meta {
     width: 100%;
     justify-content: space-between;

frontend/src/components/AppSectionBar.vue

@@ -73,6 +73,7 @@ const TITLE_MAP = {
   AdminUsers: 'sectionBar.titles.adminUsers',
   AdminUserStatistics: 'sectionBar.titles.adminUserStatistics',
   AdminContacts: 'sectionBar.titles.adminContacts',
+  AdminModerationReports: 'sectionBar.titles.adminModerationReports',
   AdminUserRights: 'sectionBar.titles.adminUserRights',
   AdminForums: 'sectionBar.titles.adminForums',
   AdminChatRooms: 'sectionBar.titles.adminChatRooms',