Implement Tower accumulation reward claiming

server/migrations/20260516172941_add_user_tower_accumulation_rewards.sql

@@ -0,0 +1,11 @@
+-- +goose Up
+CREATE TABLE user_event_quest_tower_accumulation_rewards (
+    user_id                                         INTEGER NOT NULL REFERENCES users(user_id),
+    event_quest_chapter_id                          INTEGER NOT NULL,
+    latest_reward_receive_quest_mission_clear_count INTEGER NOT NULL DEFAULT 0,
+    latest_version                                  INTEGER NOT NULL DEFAULT 0,
+    PRIMARY KEY (user_id, event_quest_chapter_id)
+);
+
+-- +goose Down
+DROP TABLE IF EXISTS user_event_quest_tower_accumulation_rewards;