feat: add aliases and deacon status line display

- Add 'bd' alias for 'gt bead' command
- Add 'work' alias for 'gt hook' command
- Show deacon icon in mayor status line when running

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

internal/cmd/bead.go

@@ -13,6 +13,7 @@ import (
 
 var beadCmd = &cobra.Command{
 	Use:     "bead",
+	Aliases: []string{"bd"},
 	GroupID: GroupWork,
 	Short:   "Bead management utilities",
 	Long:    `Utilities for managing beads across repositories.`,

internal/cmd/hook.go

@@ -16,6 +16,7 @@ import (
 
 var hookCmd = &cobra.Command{
 	Use:     "hook [bead-id]",
+	Aliases: []string{"work"},
 	GroupID: GroupWork,
 	Short:   "Show or attach work on your hook",
 	Long: `Show what's on your hook, or attach new work.

internal/cmd/statusline.go

@@ -205,6 +205,9 @@ func runMayorStatusLine(t *tmux.Tmux) error {
 		AgentRefinery: {},
 	}
 
+	// Track deacon presence (just icon, no count)
+	hasDeacon := false
+
 	// Single pass: track rig status AND agent health
 	for _, s := range sessions {
 		agent := categorizeSession(s)
@@ -234,6 +237,11 @@ func runMayorStatusLine(t *tmux.Tmux) error {
 				health.working++
 			}
 		}
+
+		// Track deacon presence (just the icon, no count)
+		if agent.Type == AgentDeacon {
+			hasDeacon = true
+		}
 	}
 
 	// Get operational state for each rig
@@ -252,7 +260,8 @@ func runMayorStatusLine(t *tmux.Tmux) error {
 	// Add per-agent-type health in consistent order
 	// Format: "1/3 👁️" = 1 working out of 3 total
 	// Only show agent types that have sessions
-	// Note: Polecats and Deacon excluded - idle state display is misleading noise
+	// Note: Polecats excluded - idle state is misleading noise
+	// Deacon gets just an icon (no count) - shown separately below
 	agentOrder := []AgentType{AgentWitness, AgentRefinery}
 	var agentParts []string
 	for _, agentType := range agentOrder {
@@ -267,6 +276,11 @@ func runMayorStatusLine(t *tmux.Tmux) error {
 		parts = append(parts, strings.Join(agentParts, " "))
 	}
 
+	// Add deacon icon if running (just presence, no count)
+	if hasDeacon {
+		parts = append(parts, AgentTypeIcons[AgentDeacon])
+	}
+
 	// Build rig status display with LED indicators
 	// 🟢 = both witness and refinery running (fully active)
 	// 🟡 = one of witness/refinery running (partially active)