update: 表改动 主页改动

server-node/sql/schema/02_save_snapshots.sql

@@ -0,0 +1,10 @@
+CREATE TABLE IF NOT EXISTS save_snapshots (
+  user_id TEXT PRIMARY KEY,
+  version INTEGER NOT NULL,
+  saved_at TEXT NOT NULL,
+  bottom_tab TEXT NOT NULL,
+  game_state_json JSONB NOT NULL,
+  current_story_json JSONB,
+  updated_at TEXT NOT NULL,
+  FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
+);