pretty much ready to 'ship'

backend/database.js

@@ -84,6 +84,46 @@ function initializeDatabase() {
     // Column already exists, ignore error
   }
 
+  // Add upvotes and downvotes columns to games if they don't exist
+  try {
+    db.exec(`ALTER TABLE games ADD COLUMN upvotes INTEGER DEFAULT 0`);
+  } catch (err) {
+    // Column already exists, ignore error
+  }
+  
+  try {
+    db.exec(`ALTER TABLE games ADD COLUMN downvotes INTEGER DEFAULT 0`);
+  } catch (err) {
+    // Column already exists, ignore error
+  }
+
+  // Migrate existing popularity_score to upvotes/downvotes if needed
+  try {
+    const gamesWithScore = db.prepare(`
+      SELECT id, popularity_score FROM games 
+      WHERE popularity_score != 0 AND (upvotes = 0 AND downvotes = 0)
+    `).all();
+    
+    if (gamesWithScore.length > 0) {
+      const updateGame = db.prepare(`
+        UPDATE games 
+        SET upvotes = ?, downvotes = ? 
+        WHERE id = ?
+      `);
+      
+      for (const game of gamesWithScore) {
+        if (game.popularity_score > 0) {
+          updateGame.run(game.popularity_score, 0, game.id);
+        } else {
+          updateGame.run(0, Math.abs(game.popularity_score), game.id);
+        }
+      }
+      console.log(`Migrated popularity scores for ${gamesWithScore.length} games`);
+    }
+  } catch (err) {
+    console.error('Error migrating popularity scores:', err);
+  }
+
   // Packs table for pack-level favoriting
   db.exec(`
     CREATE TABLE IF NOT EXISTS packs (
@@ -113,6 +153,20 @@ function initializeDatabase() {
     )
   `);
 
+  // Add message_hash column if it doesn't exist
+  try {
+    db.exec(`ALTER TABLE chat_logs ADD COLUMN message_hash TEXT`);
+  } catch (err) {
+    // Column already exists, ignore error
+  }
+
+  // Create index on message_hash for fast duplicate checking
+  try {
+    db.exec(`CREATE INDEX IF NOT EXISTS idx_chat_logs_hash ON chat_logs(message_hash)`);
+  } catch (err) {
+    // Index already exists, ignore error
+  }
+
   console.log('Database initialized successfully');
 }