Roadmap

Each milestone produces something that can be installed and played or operated on its own.

#	Milestone	Scope
M0	Foundations	Repositories, Debian packaging, CI, documentation, identifiers and ruleset versions in ishtaria-core, cube-sphere generator.
M1	Single world, single biome	Authoritative server, client connects and walks on generated terrain, gathering and primitive crafting, persistence of deltas.
M2	Living world	Simulation levels of detail, cell-level ecosystem, offline avatars, day/night and seasons.
M3	Economy	Inventories, barter, player-made currency, double-entry ledger.
M4	Federation: avatars	@user:server identities, server keys, portals carrying avatar and cosmetics only.
M5	Federation: items	Item provenance, import/export policies, two-phase handover.
M6	Federation: currencies	Exchange between world currencies with caps.
M7	Custom content	Hash-addressed content packs, fallbacks for unknown kinds, sandboxed WASM server logic.