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+# Commercial Licensing
+
+Copyright (c) 2026 Yilun JIANG.
+
+Contact: [me@thearchyhelios.com](mailto:me@thearchyhelios.com)
+
+## Commercial Use
+
+This software is made available for noncommercial use under the PolyForm Noncommercial License 1.0.0.
+
+The PolyForm Noncommercial License 1.0.0 does **not** grant commercial usage rights.
+
+Any commercial use of this software requires prior written authorization from Yilun JIANG and a separate commercial license.
+
+Commercial use may include, without limitation:
+
+* incorporating the software into a commercial product or service;
+* providing the software, or functionality substantially based on the software, as part of a paid product or service;
+* using the software to provide SaaS, hosted, managed, or cloud services;
+* integrating the software into software or systems delivered to commercial customers;
+* redistributing or reselling the software as part of a commercial offering;
+* using modified versions or derivative works for commercial purposes;
+* using the software as part of a customer-facing commercial project or commercial delivery;
+* other uses primarily intended for commercial exploitation of the software.
+
+If you are uncertain whether your intended use requires a commercial license, please contact the copyright holder before using the software for that purpose.
+
+## Obtaining a Commercial License
+
+Commercial licenses may be granted separately by Yilun JIANG.
+
+Commercial licensing terms may define, among other things:
+
+* authorized individual, organization, or legal entity;
+* authorized product or project;
+* deployment scope;
+* number of users, installations, or deployments;
+* SaaS, cloud, on-premises, or embedded usage;
+* redistribution rights;
+* modification and derivative-work rights;
+* support and maintenance;
+* license duration;
+* applicable fees and payment terms.
+
+Commercial authorization becomes effective only after explicit written authorization has been issued by Yilun JIANG or a separate written commercial license agreement has been executed.
+
+A licensing inquiry, discussion, quotation, negotiation, or other communication does not by itself grant commercial usage rights.
+
+## Commercial Licensing Contact
+
+For commercial licensing inquiries:
+
+Yilun JIANG
+Email: [me@thearchyhelios.com](mailto:me@thearchyhelios.com)
+
+When requesting a commercial license, please include, where applicable:
+
+* your name or organization name;
+* intended use;
+* product or project name;
+* deployment model;
+* whether the software will be redistributed or provided as a service;
+* expected number of users, deployments, or customers.
+
+## Noncommercial License
+
+Noncommercial use is governed by the PolyForm Noncommercial License 1.0.0:
+
+https://polyformproject.org/licenses/noncommercial/1.0.0
+
+This document is a commercial licensing notice only and does not itself grant a commercial license.