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/views/social/ForumTopicView.vue

@@ -13,8 +13,13 @@
                 <li v-for="message in messages" :key="message.id" class="surface-card">
                     <div v-html="sanitizedMessage(message)"></div>
                     <div class="footer">
-                        <span class="link" @click="openProfile(message.lastMessageUser.hashedId)">
-                            {{ message.lastMessageUser.username }}
+                        <span class="footer-left">
+                            <span class="link" @click="openProfile(message.lastMessageUser.hashedId)">
+                                {{ message.lastMessageUser.username }}
+                            </span>
+                            <button type="button" class="report-btn" @click="reportMessage(message)">
+                                {{ $t('socialnetwork.forum.reportAction') }}
+                            </button>
                         </span>
                         <span>{{ new Date(message.createdAt).toLocaleString() }}</span>
                     </div>
@@ -103,6 +108,36 @@ export default {
         },
         sanitizedMessage(message) {
             return DOMPurify.sanitize(message.text);
+        },
+        async reportMessage(message) {
+            const reason = window.prompt(this.$t('socialnetwork.forum.reportPrompt'));
+            if (reason == null) return;
+            const trimmed = String(reason || '').trim();
+            if (trimmed.length < 3) {
+                this.$root.$refs.messageDialog?.open(
+                    this.$t('socialnetwork.forum.reportReasonTooShort'),
+                    this.$t('error.title')
+                );
+                return;
+            }
+            try {
+                await apiClient.post('/api/moderation/reports', {
+                    targetType: 'forum_message',
+                    targetId: message.id,
+                    reason: trimmed,
+                    details: '',
+                });
+                this.$root.$refs.messageDialog?.open(
+                    this.$t('socialnetwork.forum.reportSubmitted'),
+                    this.$t('message.title')
+                );
+            } catch (error) {
+                console.error('Error creating moderation report:', error);
+                this.$root.$refs.messageDialog?.open(
+                    this.$t('socialnetwork.forum.reportError'),
+                    this.$t('error.title')
+                );
+            }
         }
     }
 }
@@ -145,16 +180,29 @@ export default {
     font-size: 0.8em;
     margin-top: 0.5em;
     display: flex;
+    align-items: center;
+    gap: 8px;
 }
 
-.messages > li > .footer > span:first-child {
+.footer-left {
     flex: 1;
+    display: inline-flex;
+    align-items: center;
+    gap: 10px;
 }
 
 .messages > li > .footer > span:last-child {
     text-align: right;
 }
 
+.report-btn {
+    min-height: auto;
+    padding: 2px 8px;
+    font-size: 0.75rem;
+    border-radius: 999px;
+    background: rgba(255, 255, 255, 0.78);
+}
+
 .editor-container {
     margin-top: 1rem;
     padding: 0;