feat(ghostty): restore tabs and harden launcher races

feat(routing): make smux project-scoped and fail-safe

fix: standalone-ready README, neutral PROJECT_DIR default, remove stale templates/

chore: add standalone scaffold — LICENSE, .gitignore, docs/PROTOCOL.md, chmod +x scripts

feat(kit): add pane coloring, terminal entrypoint, and bootstrap @name (RVW-20260405-081)

fix(smux): widen paste-marker detection to catch multiline +N lines variant (RVW-20260405-080)

feat(kit): add PATH auto-discovery for tmux and tmux-bridge (RVW-20260403-079)

docs(kit): add full installation steps for tmux, tmux-bridge, bash

feat(tooling): add portable tmux-smux-kit for agent-to-agent comms (RVW-20260403-077)