chore(knowledge): move canonical docs to shared SoMC wiki

design/user-stories/us-001-earn-progressive-spawn-access.md

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----
-type: User Story
-title: "US-001: Earn progressive spawn access"
-description: Let players unlock spawn teleportation and improve its cooldown by defeating dangerous enemies.
-status: done
----
-
-# US-001: Earn progressive spawn access
-
-As a **player**, I want to unlock `/spawn` by defeating major enemies so that my progression earns increasingly convenient access to spawn.
-
-## Acceptance criteria
-
-- [x] The plugin observes player-attributed kills of the Warden, Ender Dragon, and Wither.
-- [x] Only kills observed while the plugin is operating count; historical statistics and advancements are not imported.
-- [x] The three enemies may be killed in any order.
-- [x] The first unique qualifying kill unlocks `/spawn` with the configured one-kill cooldown, which defaults to 8 hours.
-- [x] The second unique qualifying kill applies the configured two-kill cooldown, which defaults to 4 hours.
-- [x] The third unique qualifying kill applies the configured three-kill cooldown, which defaults to 1 hour.
-- [x] Repeated kills of an already credited enemy do not improve the player's tier.
-- [x] Each newly credited kill displays an on-screen message stating that `/spawn` has been unlocked or updated, is immediately available, and has the shown applicable cooldown.
-- [x] Progress is presented as a checklist in which credited enemies have a green check and uncredited enemies have a red cross.
-- [x] Each newly credited unique kill immediately clears any active `/spawn` cooldown as a progression reward.
-- [x] Progress is associated with the player's UUID and survives server and plugin restarts.
-
-## Related
-
-- [US-002: Teleport safely to spawn](us-002-teleport-safely-to-spawn.md)
-- [US-004: Grant and remove spawn access](us-004-manage-spawn-access.md)
-- [US-005: Ban and unban spawn access](us-005-manage-spawn-bans.md)
-- [US-008: Reward and encourage spawn progression](us-008-reward-spawn-progression.md)