feat: add challenge and red-blue competitions across API and web

api/controllers/web/register.py

@@ -0,0 +1,30 @@
+from __future__ import annotations
+
+from flask import request
+from flask_restx import Resource
+
+from controllers.web import web_ns
+from extensions.ext_database import db
+from services.account_service import RegisterService
+
+
+@web_ns.route('/register')
+class WebRegisterApi(Resource):
+    def post(self):
+        payload = request.get_json(force=True) or {}
+        email = payload.get('email')
+        name = payload.get('name') or 'Player'
+        password = payload.get('password')
+        if not email or not password:
+            return { 'result': 'bad_request' }, 400
+        account = RegisterService.register(
+            email=email,
+            name=name,
+            password=password,
+            is_setup=False,
+            create_workspace_required=False,
+        )
+        db.session.commit()
+        return { 'result': 'success', 'data': { 'account_id': account.id } }, 201
+
+