Persist Subjugation Quests triple-deck presets

server/migrations/20260514064857_add_user_triple_decks.sql

@@ -0,0 +1,20 @@
+-- +goose Up
+CREATE TABLE user_triple_decks (
+    user_id          INTEGER NOT NULL REFERENCES users(user_id),
+    deck_type        INTEGER NOT NULL,
+    user_deck_number INTEGER NOT NULL,
+    name             TEXT    NOT NULL DEFAULT '',
+    deck_number01    INTEGER NOT NULL DEFAULT 0,
+    deck_number02    INTEGER NOT NULL DEFAULT 0,
+    deck_number03    INTEGER NOT NULL DEFAULT 0,
+    latest_version   INTEGER NOT NULL DEFAULT 0,
+    PRIMARY KEY (user_id, deck_type, user_deck_number)
+);
+
+-- Legacy BigHunt wave-decks have no preset wrapper rows and aren't reachable
+-- via the new IUserTripleDeck projection. Drop them so users start clean and
+-- repopulate via ReplaceTripleDeck from the client.
+DELETE FROM user_decks WHERE deck_type = 5;
+
+-- +goose Down
+DROP TABLE IF EXISTS user_triple_decks;