feat: phase 2 — playbooks (am history --save + am playbook, rejeu pas à pas) (closes #51)

man/am.1

@@ -1,6 +1,6 @@
 .ie \n(.g .ds Aq \(aq
 .el .ds Aq '
-.TH am 1  "am 0.5.2" 
+.TH am 1  "am 0.5.3" 
 .SH NAME
 am \- agent\-manager (am) — manage local AI coding agents
 .SH SYNOPSIS
@@ -168,6 +168,9 @@ Search the catalog by keyword (name, description, category, tags)
 am\-history(1)
 Search the command history (am and shell commands)
 .TP
+am\-playbook(1)
+Replay a saved playbook step by step with confirmation (issue #51)
+.TP
 am\-info(1)
 Show detailed information about one agent
 .TP
@@ -207,4 +210,4 @@ Export the configuration and installation state (backup)
 am\-import(1)
 Import a previously exported configuration and state
 .SH VERSION
-v0.5.2
+v0.5.3