2D Roguelike HUD & Meta
The Ledger
Lesson 1
The Health Bar
Build: A HUD CanvasLayer and a live health bar

Lesson 2
The Dash Indicator
Build: A cooldown bar you poll each frame

Lesson 3
The Corruption Meter
Build: Value, tier, and a colour that warns

Lesson 4
Gold & Run Readout
Build: Numbers, not bars

Lesson 5
Room Progress
Build: How far to the boss

Lesson 6
You Died
Build: A run-end screen with a Retry

Lesson 7
Banked Essence
Build: The first permanent progress

Lesson 8
The Save That Survives
Build: A ConfigFile that outlives the run
