feat: 初始版本，圆角主题与首次管理员引导

app/cli.py

@@ -0,0 +1,18 @@
+from werkzeug.security import generate_password_hash
+from .extensions import db
+from .models import User, Profile, UserStatus
+
+def register_cli(app):
+    @app.cli.command("create-admin")
+    def create_admin():
+        email = "admin@example.com"
+        username = "admin"
+        password = "admin123"
+        exist = User.query.filter_by(email=email).first()
+        if exist:
+            return
+        u = User(email=email, username=username, password_hash=generate_password_hash(password), role="admin", status=UserStatus.approved)
+        db.session.add(u)
+        db.session.flush()
+        db.session.add(Profile(user_id=u.id))
+        db.session.commit()