Mental Models — Calm Systems with Svelte 5

01
The Cost of Cleverness Why complex UI patterns grow silently over time, and how framework design either enables or prevents this.

5 min concept
02
Data Flow, Not Lifecycle The mental shift from "when does this run?" to "what does this depend on?" that prevents entire categories of bugs.

6 min concept
03
Mutation Is Fine Why direct mutation is safe in Svelte 5, and why the real enemy was never mutation itself.

5 min concept
04
Derived State as the Backbone How $derived eliminates synchronization bugs by making computed values automatic and always consistent.

6 min concept
05
$effect Is Not componentDidMount The most misused rune in Svelte 5, and how to know when you actually need it (rarely).

7 min concept