docs: refresh TUI showcase

Fix first-run welcome gating and add full local reset script

Rename package namespace to murmur across codebase

Finalize murmur cutover and remove brew alias flow

murmur

refactor onboarding startup flow and welcome UX

ci: trigger main after skipped merge commit

Release v0.1.2

Release v0.1.1

Speed up bridge startup and add startup timing smoke test