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# S2-CLA (Space2 Custom License Agreement)

**Copyright (c) 2026 Space2.world (Miles Xiang). All rights reserved.**

This software and associated documentation files (the "Software") constitute the S2-BAS-MAS ecosystem and its derivatives, including the S2-Pet-Guardian-Agent, powered by the TAOHUAYUAN WORLD MODEL (S2-SWM).

### 1. Academic & Personal Use (Free Tier)
Permission is hereby granted, free of charge, to any person obtaining a copy of this Software for **personal, academic, and non-commercial research purposes**. You may modify, run, and evaluate the Software locally within your own private residential spaces.

### 2. Commercial Use & Integrators (Restricted Tier)
**Strictly Prohibited without Explicit Authorization:** Any use of this Software for commercial purposes—including but not limited to system integration (SI), deployment in commercial buildings, real estate projects, commercial veterinary clinics, or offering the Software as a SaaS/PaaS service—is strictly prohibited without a formal commercial license from Space2.world.

### 3. Identity and Addressing Standards (SUNS & S2-DID)
The algorithms governing the generation of SUNS physical addresses and 22-digit S2-DID identities are proprietary to the S2 ecosystem. You may not extract, reverse-engineer, or establish competing registry networks using these protocols.

### 4. Zero-Trust Liability
The Software is provided "AS IS", without warranty of any kind, express or implied. In no event shall the authors or copyright holders be liable for any claim, damages, or other liability, whether in an action of contract, tort or otherwise, arising from, out of or in connection with the Software or the use or other dealings in the Software. The end-user assumes total responsibility for the physical execution boundaries governed by the Ed25519 cryptographic modules.