Twelve explained choices about runes, keyed ownership, form actions, and private load data. Choose an answer, inspect the reason, and return to the matching implementation boundary.
Related lessons
Svelte Reactivity and Server Boundaries; Svelte Runes: Source State, Derived Views, and Effect Cleanup; Svelte Props, Callbacks, and Keyed Editor Ownership; SvelteKit Form Actions, Validation, and Mutation Replay; SvelteKit Request-Scoped Load and Hydration State; Project: Svelte permit review and approval action.