feat(Moderation): enhance moderation reporting and user feedback

- Added user blocking checks in authentication and reporting processes, returning appropriate error responses.
- Expanded moderation report functionality to include new target types and optional fields for reports.
- Implemented a new API endpoint to retrieve the count of open moderation reports.
- Enhanced frontend components to allow users to report profiles, images, and guestbook entries, with corresponding UI updates.
- Updated internationalization files to include new strings for reporting features in both German and English.

frontend/src/i18n/locales/en/blog.json

@@ -22,6 +22,10 @@
     "view": {
       "loading": "Loading…",
       "edit": "Edit",
+      "reportBlog": "Report blog",
+      "reportPost": "Report post",
+      "reportBlogSent": "Blog has been reported to moderation.",
+      "reportPostSent": "Post has been reported to moderation.",
       "entriesCount": "{count} entries",
       "empty": "No entries available.",
       "fallbackDescription": "Public community blog on YourPart.",

frontend/src/i18n/locales/en/navigation.json

@@ -67,6 +67,7 @@
         "m-administration": {
             "contactrequests": "Contact requests",
             "moderationReports": "Moderation reports",
+            "moderationBadgeTitle": "Open moderation reports",
             "users": "Users",
             "userrights": "User rights",
             "m-users": {

frontend/src/i18n/locales/en/socialnetwork.json

@@ -126,8 +126,12 @@
                 "imageUpload": "Image",
                 "submit": "Submit entry",
                 "noEntries": "No entries found",
-                "entryImageAlt": "Guestbook entry image"
+                "entryImageAlt": "Guestbook entry image",
+                "reportEntry": "Report",
+                "deleteEntry": "Delete",
+                "confirmDeleteEntry": "Delete this guestbook entry?"
             },
+            "reportProfile": "Report username/profile",
             "interestedInGender": "Interested in",
             "hasChildren": "Has children",
             "smokes": "Smoking",
@@ -199,7 +203,8 @@
                 "title": "Image"
             },
             "imagePreviewAlt": "Image preview",
-            "imageLoadingAlt": "Loading image"
+            "imageLoadingAlt": "Loading image",
+            "reportImage": "Report image"
         },
         "guestbook": {
             "kicker": "Guestbook",
@@ -209,6 +214,14 @@
             "nextPage": "Next",
             "page": "Page"
         },
+        "reporting": {
+            "reasonPrompt": "Short report reason (e.g. spam, insult, hate speech):",
+            "reasonTooShort": "Please enter at least 3 characters as report reason.",
+            "profileReported": "Profile has been reported to moderation.",
+            "imageReported": "Image has been reported to moderation.",
+            "guestbookReported": "Guestbook entry has been reported to moderation.",
+            "reportError": "Report could not be submitted."
+        },
         "diary": {
             "kicker": "Personal entries",
             "intro": "Thoughts, notes, and short updates in a calm personal view.",