后端第一步开发完成，第一版回归测试完成

backend/scripts/seed_test_users.py

@@ -0,0 +1,59 @@
+#!/usr/bin/env python3
+"""
+插入测试用户，供测试工程师使用。统一密码：123456
+用法：cd backend && PYTHONPATH=src python3 scripts/seed_test_users.py
+"""
+import sys
+from pathlib import Path
+
+_backend = Path(__file__).resolve().parent.parent
+if str(_backend) not in sys.path:
+    sys.path.insert(0, str(_backend))
+
+import bcrypt
+
+from src.database import get_connection, new_id
+
+
+def _hash(pwd: str) -> str:
+    """bcrypt 哈希，与 auth 中 passlib 校验兼容"""
+    return bcrypt.hashpw(pwd.encode("utf-8"), bcrypt.gensalt()).decode("utf-8")
+
+# 角色枚举与测试账号： (username, role, display_name)
+TEST_USERS = [
+    ("admin", "管理员", "管理员"),
+    ("market", "市场部", "市场部"),
+    ("engineer", "工程部", "工程部"),
+    ("tech", "技经部", "技经部"),
+    ("finance", "财务部", "财务部"),
+    ("material", "物贸部", "物贸部"),
+]
+
+TEST_PASSWORD = "123456"
+
+
+def main():
+    pwd_hash = _hash(TEST_PASSWORD)
+    with get_connection() as conn:
+        cur = conn.cursor()
+        for username, role, display_name in TEST_USERS:
+            uid = new_id()
+            try:
+                cur.execute(
+                    "INSERT INTO users (id, username, password_hash, role, display_name) VALUES (%s, %s, %s, %s, %s)",
+                    (uid, username, pwd_hash, role, display_name),
+                )
+                conn.commit()
+                print(f"已插入: {username} ({role})")
+            except Exception as e:
+                if "Duplicate entry" in str(e) or "1062" in str(e):
+                    print(f"已存在，跳过: {username}")
+                else:
+                    raise
+        cur.close()
+    print(f"\n测试账号统一密码: {TEST_PASSWORD}")
+    print("账号列表: admin, market, engineer, tech, finance, material")
+
+
+if __name__ == "__main__":
+    main()