Index: src/routes/comments.js
===================================================================
--- src/routes/comments.js	(revision fefb80c0f56ed4b3c7e4afbb5bd0e40b567bbad0)
+++ src/routes/comments.js	(revision e25438af595141e82c2c8d6dfaf5d506db96759c)
@@ -19,4 +19,5 @@
 import { requireAuth } from '../middleware/auth.js';
 import PermissionsService from '../services/PermissionsService.js';
+import { notify } from '../services/NotificationService.js';
 
 const router = express.Router();
@@ -39,5 +40,5 @@
 
   const post = db.prepare(
-    'SELECT id, slug FROM posts WHERE site_id = ? AND slug = ? AND status = ?'
+    'SELECT id, slug, title, author_id FROM posts WHERE site_id = ? AND slug = ? AND status = ?'
   ).get(site.id, postSlug, 'published');
   if (!post) return res.status(404).send('Post not found');
@@ -50,10 +51,12 @@
   // up to the top-level parent so we never go deeper than 1)
   let resolvedParent = null;
+  let parentAuthorId = null;
   if (parentId) {
     const parent = db.prepare(
-      'SELECT id, parent_comment_id FROM comments WHERE id = ? AND post_id = ?'
+      'SELECT id, parent_comment_id, author_id FROM comments WHERE id = ? AND post_id = ?'
     ).get(parentId, post.id);
     if (!parent) return res.status(400).send('Invalid parent comment');
     resolvedParent = parent.parent_comment_id || parent.id;
+    parentAuthorId = parent.author_id; // ontvanger van de "antwoord"-melding
   }
 
@@ -73,4 +76,18 @@
     VALUES (?, ?, ?, ?, ?, ?)
   `).run(commentId, post.id, req.session.user.id, resolvedParent, rawContent, status);
+
+  // Melding (alleen bij een zichtbare reactie): antwoord → de auteur van de reactie
+  // waarop gereageerd is; top-level reactie → de auteur van de post. notify() slaat
+  // jezelf-notificeren over.
+  if (status === 'approved') {
+    const url = `${res.locals.siteUrlBase || ''}/${post.slug}#comment-${commentId}`;
+    const actorId = req.session.user.id;
+    const actorName = req.session.user.username;
+    if (parentId) {
+      notify({ userId: parentAuthorId, actorId, actorName, type: 'reply', postSlug: post.slug, postTitle: post.title, url });
+    } else {
+      notify({ userId: post.author_id, actorId, actorName, type: 'comment', postSlug: post.slug, postTitle: post.title, url });
+    }
+  }
 
   // Where to land after submit:
Index: src/routes/notifications.js
===================================================================
--- src/routes/notifications.js	(revision e25438af595141e82c2c8d6dfaf5d506db96759c)
+++ src/routes/notifications.js	(revision e25438af595141e82c2c8d6dfaf5d506db96759c)
@@ -0,0 +1,23 @@
+/**
+ * GET /notifications — meldingenpagina voor de ingelogde gebruiker.
+ * Openen = alles als gelezen markeren (de teller in de header valt dan weg).
+ */
+import express from 'express';
+import { requireAuth } from '../middleware/auth.js';
+import { renderPage } from '../middleware/render.js';
+import { list, markAllRead } from '../services/NotificationService.js';
+
+const router = express.Router();
+
+router.get('/', requireAuth, (req, res) => {
+  const uid = req.session.user.id;
+  const items = list(uid, 50);
+  markAllRead(uid);
+  renderPage(req, res, 'pages/notifications', {
+    pageTitle: 'Meldingen',
+    bodyClass: 'on-special',
+    items,
+  });
+});
+
+export default router;
Index: src/routes/posts.js
===================================================================
--- src/routes/posts.js	(revision fefb80c0f56ed4b3c7e4afbb5bd0e40b567bbad0)
+++ src/routes/posts.js	(revision e25438af595141e82c2c8d6dfaf5d506db96759c)
@@ -10,4 +10,5 @@
 import { renderPage } from '../middleware/render.js';
 import { recordPageview, recordPostView } from '../services/StatsService.js';
+import { notify } from '../services/NotificationService.js';
 import PermissionsService from '../services/PermissionsService.js';
 import MarkdownService from '../services/MarkdownService.js';
@@ -405,5 +406,5 @@
 router.post('/posts/:id/like', requireAuth, (req, res) => {
   const userId = req.session.user.id;
-  const post = db.prepare('SELECT id, status FROM posts WHERE id = ?').get(req.params.id);
+  const post = db.prepare('SELECT id, status, slug, title, author_id FROM posts WHERE id = ?').get(req.params.id);
   if (!post) return res.status(404).send('Post niet gevonden');
   if (post.status !== 'published') return res.status(403).send('Niet beschikbaar');
@@ -414,4 +415,9 @@
   } else {
     db.prepare('INSERT OR IGNORE INTO post_likes (post_id, user_id) VALUES (?, ?)').run(post.id, userId);
+    // Melding voor de post-auteur (notify slaat jezelf-liken over).
+    notify({
+      userId: post.author_id, actorId: userId, actorName: req.session.user.username, type: 'like',
+      postSlug: post.slug, postTitle: post.title, url: (res.locals.siteUrlBase || '') + '/' + post.slug,
+    });
   }
   const likeCount = db.prepare('SELECT COUNT(*) AS c FROM post_likes WHERE post_id = ?').get(post.id).c;