update theme and user top

src/main/resources/db/migration/V8__vote_fields.sql

@@ -0,0 +1,19 @@
+-- V8: Add vote (like/dislike) support and IP/browser meta to posts
+
+-- likecollect: add explicit action column ('like' or 'dislike')
+ALTER TABLE likecollect ADD COLUMN action VARCHAR(20);
+
+-- discussion: add dislike counter
+ALTER TABLE discussion ADD COLUMN dislike_count INTEGER DEFAULT 0;
+
+-- post: add per-post vote counters
+ALTER TABLE post ADD COLUMN like_count INTEGER DEFAULT 0;
+ALTER TABLE post ADD COLUMN dislike_count INTEGER DEFAULT 0;
+
+-- indexes for vote lookup
+CREATE INDEX IF NOT EXISTS idx_likecollect_user_discussion ON likecollect(user_id, discussion_id);
+CREATE INDEX IF NOT EXISTS idx_likecollect_user_post ON likecollect(user_id, post_id);
+
+-- post: add IP region and parsed browser name
+ALTER TABLE post ADD COLUMN ip_region VARCHAR(100);
+ALTER TABLE post ADD COLUMN browser VARCHAR(200);