Function render_text 

pub fn render_text(guidance: &ProtocolGuidance) -> String

Render guidance as human/agent-readable text.

Format:

Command: start
Status: Ready
Bone: bd-3t1d (protocol: shell-safe command renderer)
Workspace: brave-tiger

Steps:
1. bus send --agent $AGENT edict 'Working...' -L task-claim
2. maw ws create --random

Advice: Create workspace and stake claims before starting implementation.