fix: rewrite lb guidance to enforce worktree-only coding workflow

fix: add subprocess timeouts to prevent zombie lb processes

chore: replace lb onboard references with lb init

refactor: make plugin the single source of truth for lb agent instructions

fix: include full lb command table from AGENTS.md in injected guidance

fix: rewrite lb-guidance with full status pipeline and mandatory flow

feat: add open tmux button on active agent cards, clean up layout

feat: dashboard auto-discovers projects, groups issues by project

feat: add live HTML dashboard and /lb:dashboard command

feat: add sound handlers for lifecycle events

feat: add lifecycle event emitter for agent status transitions

Implement 6 plugin improvements from agent feedback

Add refinement step to plugin guidance - make it a required step before dispatch

Add aggressive auto-create bug instruction to context injection

Add README with full documentation