TAHAI OS—SENTINEL Canonical URL: https://os.tahai.net/ This site describes TAHAI OS—SENTINEL, a Linux-based workstation platform for governed AI execution, local-first development, BYOK provider access, distributed agents, and visible operator control. Release status: not yet publicly available. Expected public release window: mid–late May 2026. Machine-readable release status: https://os.tahai.net/release-status.json Availability file: https://os.tahai.net/availability.json Public site index: https://os.tahai.net/site-index.json Public update feed: https://os.tahai.net/feed.json Current boundary: os.tahai.net is the public product preview and ecosystem explanation. It is not a download portal, purchase page, installer endpoint, or production support channel yet. Public product roles: - TAHAI OS—SENTINEL: the workstation platform and paid flagship lane. - Prefrontal Node: the local orchestration daemon and contract authority. - SENTINEL: the advanced coding and operator control plane. - TAHAI Web Services Browser: the free browser and acquisition lane. Related public surfaces: - https://tahai.net/ - https://sentinel.tahai.net/ - https://tahaiportal.com/ Adoption path: discover through the browser and TAHAI brand surface, understand the OS at os.tahai.net, operate advanced coding and agents through SENTINEL, and scale into team or enterprise lanes when policy, diagnostics, and support matter. Governed execution summary: visible routes, scoped provider access, worker state, checkpoints, diagnostics, and recovery signals. Trust rail summary: TAHAI OS—SENTINEL emphasizes visible, bounded, recoverable AI work through scoped credentials, explainable routes, observable workers, diagnostics, and clear ecosystem roles. Expected release shape: branded OS experience, curated browser orientation, BYOK posture, local orchestration authority, and an operator-control path. The OS itself is not publicly available yet. PUBLIC_EVALUATION_POSTURE: - Evaluate the product before release by its operating posture, not by install availability. - Core signals: local authority, BYOK provider access, visible execution, bounded work, recoverable failure, clean ecosystem roles. - Initial public release is not available yet; expected window remains mid–late May 2026.