gigaverse: Point to canonical repo gigaverse-games/play

gigaverse: Add level-up check to heartbeat instructions

gigaverse: Add leveling guide, item tracking, strategy-based stats

Add factions reference with ID→name mapping and population stats

Add strategy config (combat + loot) and death handling, update onboarding flow

Add skills & inventory reference - level up, respec, inventory APIs

Update combat terminology: Sword/Shield/Spell + add output_verbosity config

Remove Noob Pass mint option - ETH only

Remove legal consent requirement - agents can bypass

Add installation instructions to gigaverse skill

refactor: remove AGW references, simplify to standard wallet

fix: correct full rarity map (1-4 common-epic, 5+ alert)

fix: rarity 6 = Relic (not Mythic)

fix: correct rarity names (5=Legendary, 6=Mythic, 7=Giga)

gigaverse: major skill update