Index: src/services/ActivityPubService.js
===================================================================
--- src/services/ActivityPubService.js	(revision 3289a6433bf12cccc844824d53d4f353853ef2f0)
+++ src/services/ActivityPubService.js	(revision c7ecaf9d21f6baddcb99a2593e829187df0baacc)
@@ -367,4 +367,13 @@
 export function setInteractionLiked(id, on) {
   db.prepare('UPDATE ap_interactions SET acted_like = ? WHERE id = ?').run(on ? 1 : 0, id);
+}
+// Your like/boost state on a REMOTE post (interact page toggles).
+export function setMyReaction(slug, uri, kind, on) {
+  if (on) db.prepare('INSERT OR IGNORE INTO ap_my_reactions (site_slug, target_uri, kind) VALUES (?,?,?)').run(slug, uri, kind);
+  else db.prepare('DELETE FROM ap_my_reactions WHERE site_slug = ? AND target_uri = ? AND kind = ?').run(slug, uri, kind);
+}
+export function getMyReactions(slug, uri) {
+  const rows = (slug && uri) ? db.prepare('SELECT kind FROM ap_my_reactions WHERE site_slug = ? AND target_uri = ?').all(slug, uri) : [];
+  return { liked: rows.some((r) => r.kind === 'like'), boosted: rows.some((r) => r.kind === 'boost') };
 }
 
@@ -1337,5 +1346,5 @@
   buildActor, buildNote, buildCreate, buildOutbox, buildFollowers, buildFeatured,
   followerCount, deliver, fetchActor, verifyRequest, handleInbox, deliverCreate, deliverDelete, deliverUpdate, deliverActorUpdate, resyncFeaturedPins,
-  getInteractions, getInteractionById, setInteractionBoosted, setInteractionLiked, buildReplyNote, getOutboxNote, deliverReply, resolveRemoteNote,
+  getInteractions, getInteractionById, setInteractionBoosted, setInteractionLiked, setMyReaction, getMyReactions, buildReplyNote, getOutboxNote, deliverReply, resolveRemoteNote,
   listOutbox, deliverOutboxDelete,
   webfingerResolve, followActor, resolveRemoteActor, unfollowActor, listFollowing, setAutoBoost, getTimeline, sendInteraction,