Roll a dice expression like '2d6' or '1d6+6'.

Test the hero's luck (2d6 <= current luck); always spends one luck.

Roll a new hero's attributes and persist a living character sheet.

Return the hero's full character sheet.

Patch the character sheet. Scalars/lists are replaced; attribute sub-dicts (skill/stamina/luck) are merged. Invariants are validated; on error the state is left unchanged.

Return the current world state.

Patch the world. Scalars/lists (current_location, visited_locations, known_npcs, turn) are replaced; 'flags' is merged key-wise so one flag can be set without dropping others. Invariants are validated; on error the state is left unchanged. Sole legal path to set the victory flag and advance the turn counter.

Append a hard fact to the chronicle, stamped with the current turn.

Return the full chronicle of events, in order.

Return the running narrative summary.

Replace the running narrative summary.

Start a fight against one or more living enemies.

Resolve one combat round, optionally testing luck on the hit.

Flee the combat (if allowed); costs 2 stamina.

Conclude a combat and return its final result.

Archive the hero to the graveyard (death) or hall_of_fame (victory).

Snapshot all state to a named slot (default 'autosave').

Restore all state from a named slot (default 'autosave').