Crate reference

Crate	Main modules
`specter-core`	`constants`, `error`, `traits`, `types`
`specter-crypto`	`kyber`, `hash`, `view_tag`, `derive`
`specter-stealth`	`wallet`, `payment`, `discovery`
`specter-registry`	`memory`, `file`
`specter-scanner`	scanner logic and progress types
`specter-ipfs`	Pinata upload/download client
`specter-ens`	ENS text/contenthash + resolver
`specter-suins`	SuiNS RPC + resolver
`specter-yellow`	Yellow client, channel, discovery, settlement
`specter-api`	routes, DTOs, handlers, app state
`specter-cli`	clap command entrypoint