From 05fc252db0a84177a130fe4fe92c0245c497ac63 Mon Sep 17 00:00:00 2001
From: root <root@minecraft-server>
Date: Tue, 28 Apr 2026 10:38:42 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E5=B7=B2=E6=9C=89=E7=94=A8=E6=88=B7?=
 =?UTF-8?q?=E8=87=AA=E5=8A=A8=E8=BF=81=E7=A7=BB=20admin=20=E8=A7=92?=
 =?UTF-8?q?=E8=89=B2?=
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当 role 列通过 ALTER TABLE 新增后，已有用户全部为 'user'。
新增迁移逻辑：若无 admin 用户，自动将首个注册用户升为 admin。
---
 core/embedded_db.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/core/embedded_db.py b/core/embedded_db.py
index 2919cee..8563370 100644
--- a/core/embedded_db.py
+++ b/core/embedded_db.py
@@ -111,6 +111,15 @@ class EmbeddedGraphDB:
         if 'role' not in columns:
             cursor.execute("ALTER TABLE web_users ADD COLUMN role TEXT NOT NULL DEFAULT 'user'")
 
+        # 确保至少有一个 admin（当 role 列刚添加时，已有用户都是 user）
+        cursor.execute("SELECT COUNT(*) as cnt FROM web_users WHERE role = 'admin'")
+        has_admin = cursor.fetchone()[0] > 0
+        if not has_admin:
+            cursor.execute("SELECT id, username FROM web_users ORDER BY created_at ASC LIMIT 1")
+            first_user = cursor.fetchone()
+            if first_user:
+                cursor.execute("UPDATE web_users SET role = 'admin' WHERE id = ?", (first_user[0],))
+
         self.conn.commit()
     
     def ensure_constraints(self):