Initial commit: OSTP stealth VPN protocol with anti-RE protection

- Core transport layer (ostp): ChaCha20-Poly1305 AEAD, X25519 key exchange, TLS mimicry
- Control plane (oncp): Session management, SQLite billing, user registry
- Network layer (osn): TUN device abstraction and routing
- DNS forwarder (osds): Stealth DNS with anti-hijack detection
- Anti-RE protection (ostp-guard): String obfuscation, anti-debug, anti-VM, control flow obfuscation
- CLI binaries: ostp-server (Linux), ostp-client (Windows) with interactive setup
- Comprehensive documentation: README, LICENSE, deployment guides
- Hardened release profile: LTO, symbol stripping, static linking

LICENSE

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+PROPRIETARY SOFTWARE LICENSE
+
+Copyright (c) 2025-2026 Ospab. All rights reserved.
+
+NOTICE: This software and associated documentation files (the "Software") are 
+proprietary and confidential property of Ospab ("the Licensor").
+
+RESTRICTIONS
+
+1. NO DISTRIBUTION
+   You may NOT copy, distribute, publish, or transfer the Software or any portion 
+   thereof to any third party without explicit written permission from the Licensor.
+
+2. NO MODIFICATION
+   You may NOT modify, adapt, translate, reverse engineer, decompile, disassemble, 
+   or create derivative works based on the Software.
+
+3. NO SUBLICENSING
+   You may NOT rent, lease, sublicense, or otherwise transfer rights to the Software.
+
+4. CONFIDENTIALITY
+   The Software contains trade secrets and proprietary information. You agree to 
+   maintain the confidentiality of the Software and not disclose it to any third party.
+
+5. AUTHORIZED USE ONLY
+   Use of the Software is permitted only by individuals or entities explicitly 
+   authorized by the Licensor. Unauthorized access, use, or distribution is prohibited.
+
+INTELLECTUAL PROPERTY
+
+All title, ownership rights, and intellectual property rights in and to the Software 
+remain the exclusive property of the Licensor. The Software is protected by copyright 
+laws and international treaty provisions.
+
+SECURITY PROVISIONS
+
+The Software includes technological measures designed to prevent unauthorized use, 
+copying, and reverse engineering. Circumventing these measures is strictly prohibited 
+and may violate applicable laws including:
+
+- Digital Millennium Copyright Act (DMCA)
+- EU Copyright Directive
+- Computer Fraud and Abuse Act (CFAA)
+- Applicable anti-circumvention laws in your jurisdiction
+
+TERMINATION
+
+This license is effective until terminated. Your rights under this license will 
+terminate automatically without notice if you fail to comply with any term herein. 
+Upon termination, you must destroy all copies of the Software in your possession.
+
+NO WARRANTY
+
+THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
+INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
+PARTICULAR PURPOSE, AND NONINFRINGEMENT. IN NO EVENT SHALL THE LICENSOR BE LIABLE 
+FOR ANY CLAIM, DAMAGES, OR OTHER LIABILITY ARISING FROM THE USE OF THE SOFTWARE.
+
+LIMITATION OF LIABILITY
+
+IN NO EVENT SHALL THE LICENSOR BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, 
+CONSEQUENTIAL, OR PUNITIVE DAMAGES, INCLUDING BUT NOT LIMITED TO LOSS OF PROFITS, 
+DATA, OR USE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+
+GOVERNING LAW
+
+This license shall be governed by and construed in accordance with the laws of the 
+jurisdiction in which the Licensor is established, without regard to conflict of 
+law provisions.
+
+CONTACT INFORMATION
+
+For licensing inquiries, permissions, or questions:
+  Email: ospab@ospab.host
+
+By using this Software, you acknowledge that you have read this license, understand 
+it, and agree to be bound by its terms and conditions.
+
+---
+
+OSTP (Ospab Stealth Transport Protocol)
+Copyright (c) 2025-2026 Ospab
+All Rights Reserved