Saves and Anti Cheat

Saves & Anti-Cheat

Local first

• Everything lives in browser localStorage
• Key: observatory-save-v3 (sealed)
• No server, no login

Sealed save

Exports include an integrity hash over canonical fields.

• Honest export/import works.
• Casual JSON edits that break the hash → Meteor Justice (resources scorched + VFX).

This is client-side deterrence, not military-grade security.

Settings

Action	Result
Export	Download sealed JSON
Import	Load sealed or legacy soft import
Reset progress	Fresh island (keeps onboarding seen)

Code: src/lib/save.ts