v1.3.0
AetherShell 1.3.0 — agentic-first release Token-efficient AECON output (default in agent mode, ~2.6-2.8x fewer tokens, lossless/reversible), an effect/capability/approval/audit safety model with a workspace jail and RBAC, filesystem transactions with savepoints + plan/apply covering files/trees/sqlite/kv, a persistent kv store, deterministic output, grammar additions, and a single-pass agentic transpiler (Phase 5). See CHANGELOG.