Update

src/database/client.ts

@@ -49,13 +49,12 @@ export function runMigrations(db: Database.Database): void {
 
     CREATE TABLE IF NOT EXISTS successful_messages (
       id INTEGER PRIMARY KEY AUTOINCREMENT,
-      sent_message_id INTEGER NOT NULL,
+      sent_message_id INTEGER,
       original_message TEXT NOT NULL,
       image_analysis TEXT,
       post_title TEXT,
       response_snippet TEXT,
-      created_at INTEGER NOT NULL,
-      FOREIGN KEY (sent_message_id) REFERENCES sent_messages(id)
+      created_at INTEGER NOT NULL
     );
 
     CREATE INDEX IF NOT EXISTS idx_posts_subreddit
@@ -80,4 +79,37 @@ export function runMigrations(db: Database.Database): void {
 
   // Create index for response checking
   db.exec(`CREATE INDEX IF NOT EXISTS idx_sent_messages_response ON sent_messages(got_response)`);
+  db.exec(`CREATE INDEX IF NOT EXISTS idx_sent_messages_recipient ON sent_messages(recipient)`);
+
+  // Migration: Make sent_message_id nullable in successful_messages
+  // SQLite doesn't support ALTER COLUMN, so we need to recreate the table
+  const successfulMsgColumns = db.prepare(`PRAGMA table_info(successful_messages)`).all() as { name: string; notnull: number }[];
+  const sentMsgIdCol = successfulMsgColumns.find((c) => c.name === 'sent_message_id');
+
+  if (sentMsgIdCol && sentMsgIdCol.notnull === 1) {
+    // Column is currently NOT NULL, we need to migrate
+    db.exec(`
+      -- Create new table with nullable sent_message_id
+      CREATE TABLE successful_messages_new (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        sent_message_id INTEGER,
+        original_message TEXT NOT NULL,
+        image_analysis TEXT,
+        post_title TEXT,
+        response_snippet TEXT,
+        created_at INTEGER NOT NULL
+      );
+      
+      -- Copy existing data
+      INSERT INTO successful_messages_new 
+        SELECT id, sent_message_id, original_message, image_analysis, post_title, response_snippet, created_at
+        FROM successful_messages;
+      
+      -- Drop old table
+      DROP TABLE successful_messages;
+      
+      -- Rename new table
+      ALTER TABLE successful_messages_new RENAME TO successful_messages;
+    `);
+  }
 }