Toggle between "VS Code" and "TestFit" to see the same IDE anatomy: file explorer, editor canvas, output panel, linter terminal. The tiles are the same. The domain is different. The value is the non-switching.
Software IDE
File explorer
Code editor
Compiler
Linter / debugger
Output panel
Package manager
Deploy pipeline
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Real Estate IDE
Project browser
Design canvas
Generative engine
Rulepack / code check
Pro forma panel
Component library
Documentation export
IDE tiles
7
Point tools replaced
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Context switches
0
Sources of truth
1
VS Code didn't win by being the best editor. It won by being the best environment. TestFit's bet is the same. The tiles coordinate. The state is shared. The flow is preserved.