feat(studio): enhance agent instance management with view modes and starter operations

feat(studio): introduce beginner agent and guided tour features

feat(studio): complete setup assistant and timeline hardening

refactor(agents-live): split panels and improve workspace persistence UX

chore(dev): ignore playground studio persistence artifacts

feat(studio): redesign IA and refactor agents instance manager

chore(snapshot): capture current studio IA and UX baseline

fix(layout): mark only one active core nav item

feat(studio): ship agents-first IA with cluster-scoped navigation

Fix Enumerable protocol error for structs in sanitize_metadata

Merge pull request #1 from agentjido/codex/mvp-observability-mvp

feat(studio): add observability MVP with registry threads and persistence

feat: enhance Jido Studio configuration and add new components

feat: initial jido_studio scaffold