refactor: Move maintenance scripts to a dedicated maintenance_scripts/ directory.

maintenance_scripts/check_correlation.py

@@ -0,0 +1,23 @@
+import sqlite3
+import os
+
+DB_PATH = os.path.join("database", "umamusume.db")
+
+def check_correlation():
+    conn = sqlite3.connect(DB_PATH)
+    cur = conn.cursor()
+    
+    cur.execute("SELECT card_id, name FROM support_cards ORDER BY card_id ASC LIMIT 1")
+    first_card = cur.fetchone()
+    print(f"First card: {first_card}")
+    
+    if first_card:
+        # Check what events ID 1 points to
+        cur.execute("SELECT event_name FROM support_events WHERE card_id = 1 LIMIT 1")
+        first_event = cur.fetchone()
+        print(f"First event for card_id 1: {first_event}")
+
+    conn.close()
+
+if __name__ == "__main__":
+    check_correlation()