[Feature]: Opt in customisation options in App admin to customise the opt in behaviour on the claim component. + Hotfixes: Added idempotency handling for N3XUS pass-expired webhook processing and supporting cleanup logic. Introduced scheduled cleanup for webhook dedupe rows and added DB indexes/migrations for maintenance performance. Restricted subscription renewal handling to orders/paid flows and improved renewal state transition safety. Fixed webhook topic handling and cleanup session deletion behavior. Refactored customer tagging and segment updates, including a dedicated customer tag service and Shopify Admin helper usage. Updated gift eligibility and claim/registration flows to align with revised tagging and webhook behavior. Updated Shopify app TOML webhook configuration files across development, staging, and production.