svelte@5.0.0-next.247

Patch Changes

• fix: wait until template strings are complete before sanitizing (#13262)

• fix: avoid flushing sync with $inspect (#13239)

• fix: separate template_effect for dynamic class/style directive with dynamic attributes (#13171)

• fix: treat pure call expressions as potentially reactive if they reference local bindings (#13264)

• fix: follow spec for customElement option (#13247)

• fix: tighten up `# svelte prefix validation (#13261)