fix: 优化数据

server/db.js

@@ -123,12 +123,28 @@ try {
   if (!names.includes('status')) db.exec('ALTER TABLE key_location ADD COLUMN status TEXT DEFAULT "operational"')
   if (!names.includes('damage_level')) db.exec('ALTER TABLE key_location ADD COLUMN damage_level INTEGER')
 } catch (_) {}
-// 迁移：combat_losses 添加平民伤亡
+// 迁移：combat_losses 添加平民伤亡、updated_at
 try {
   const lossCols = db.prepare('PRAGMA table_info(combat_losses)').all()
   const lossNames = lossCols.map((c) => c.name)
   if (!lossNames.includes('civilian_killed')) db.exec('ALTER TABLE combat_losses ADD COLUMN civilian_killed INTEGER NOT NULL DEFAULT 0')
   if (!lossNames.includes('civilian_wounded')) db.exec('ALTER TABLE combat_losses ADD COLUMN civilian_wounded INTEGER NOT NULL DEFAULT 0')
+  if (!lossNames.includes('updated_at')) db.exec('ALTER TABLE combat_losses ADD COLUMN updated_at TEXT DEFAULT (datetime("now"))')
 } catch (_) {}
 
+// 迁移：所有表添加 updated_at 用于数据回放
+const addUpdatedAt = (table) => {
+  try {
+    const cols = db.prepare(`PRAGMA table_info(${table})`).all()
+    if (!cols.some((c) => c.name === 'updated_at')) {
+      db.exec(`ALTER TABLE ${table} ADD COLUMN updated_at TEXT DEFAULT (datetime("now"))`)
+    }
+  } catch (_) {}
+}
+addUpdatedAt('force_summary')
+addUpdatedAt('power_index')
+addUpdatedAt('force_asset')
+addUpdatedAt('key_location')
+addUpdatedAt('retaliation_current')
+
 module.exports = db