JSON 상태 저장소 DB 전환

config/config.php

@@ -426,6 +426,21 @@ function bootstrap_db(): void
         COLLATE=utf8mb4_unicode_ci
     ");
 
+    $pdo->exec("
+        CREATE TABLE IF NOT EXISTS app_json_store (
+            store_key VARCHAR(128) NOT NULL PRIMARY KEY,
+            payload LONGTEXT NOT NULL,
+            expires_at DATETIME NULL,
+            created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
+                ON UPDATE CURRENT_TIMESTAMP,
+            INDEX idx_expires_at (expires_at),
+            INDEX idx_updated_at (updated_at)
+        ) ENGINE=InnoDB
+        DEFAULT CHARSET=utf8mb4
+        COLLATE=utf8mb4_unicode_ci
+    ");
+
     $pdo->exec("
         CREATE TABLE IF NOT EXISTS wifi_client_aliases (
             mac VARCHAR(17) NOT NULL PRIMARY KEY,