Save & Load System
The Vault
Lesson 1
State Is Just a Dictionary
Build: The core of every save system

Lesson 2
Atomic Writes & Slots
Build: Never corrupt a save; keep several

Lesson 3
The persist Group
Build: Duck-typed save_to_state / load_from_state

Lesson 4
Player Position Persists
Build: Move, quit, reload, snap back

Lesson 5
Level & XP Persist
Build: Level up, save, reload, keep the level

Lesson 6
Stats Snapshot Persists
Build: Spend a point, take damage, reload, still wounded

Lesson 7
Inventory Persists
Build: Pick up items, reload, keep the bag

Lesson 8
Equipment Persists
Build: Equip gear, reload, keep the loadout

Lesson 9
The World Remembers
Build: Flags and quests persist

Lesson 10
Dead Enemies Stay Dead
Build: Killed once, gone for good

Lesson 11
The Save/Load HUD
Build: Save and load the whole world with a click
