feat: phase 2 — coûts par session (stats --costs) + am monitor TUI (closes #49 #50)

man/am.1

@@ -1,6 +1,6 @@
 .ie \n(.g .ds Aq \(aq
 .el .ds Aq '
-.TH am 1  "am 0.5.0" 
+.TH am 1  "am 0.5.1" 
 .SH NAME
 am \- agent\-manager (am) — manage local AI coding agents
 .SH SYNOPSIS
@@ -129,6 +129,9 @@ List the sessions of every agent (and of the interactive shell)
 am\-stats(1)
 Show usage statistics computed from the event journal
 .TP
+am\-monitor(1)
+Real\-time monitor of the managed processes (issue #50)
+.TP
 am\-top(1)
 Show the most used agents (top 10)
 .TP
@@ -198,4 +201,4 @@ Export the configuration and installation state (backup)
 am\-import(1)
 Import a previously exported configuration and state
 .SH VERSION
-v0.5.0
+v0.5.1