feat: Implement new database management and scraping utilities, and update application version to 13.0.0.

check_offset.py

@@ -0,0 +1,24 @@
+import sqlite3
+import os
+
+DB_PATH = os.path.join("database", "umamusume.db")
+
+def check_offset():
+    conn = sqlite3.connect(DB_PATH)
+    cur = conn.cursor()
+    
+    # Get first 5 SSR cards
+    cur.execute("SELECT card_id, name, gametora_url FROM support_cards ORDER BY card_id ASC LIMIT 5")
+    cards = cur.fetchall()
+    print(f"Cards: {cards}")
+    
+    # Check if there are events referring to IDs 1, 2, 3...
+    for i in range(1, 6):
+        cur.execute("SELECT event_name FROM support_events WHERE card_id = ? LIMIT 1", (i,))
+        ev = cur.fetchone()
+        print(f"ID {i} events: {ev}")
+
+    conn.close()
+
+if __name__ == "__main__":
+    check_offset()