feat: phase 2 — i18n messages EN/FR (--lang, AM_LANG/LANG, catalogue tr/tr_fmt, REPL lang) (closes #74)

man/am.1

@@ -1,10 +1,10 @@
 .ie \n(.g .ds Aq \(aq
 .el .ds Aq '
-.TH am 1  "am 0.5.4" 
+.TH am 1  "am 0.5.5" 
 .SH NAME
 am \- agent\-manager (am) — manage local AI coding agents
 .SH SYNOPSIS
-\fBam\fR [\fB\-c\fR|\fB\-\-config\fR] [\fB\-v\fR|\fB\-\-verbose\fR] [\fB\-q\fR|\fB\-\-quiet\fR] [\fB\-y\fR|\fB\-\-yes\fR] [\fB\-\-dry\-run\fR] [\fB\-\-json\fR] [\fB\-\-no\-color\fR] [\fB\-\-theme\fR] [\fB\-h\fR|\fB\-\-help\fR] [\fB\-V\fR|\fB\-\-version\fR] [\fIsubcommands\fR]
+\fBam\fR [\fB\-c\fR|\fB\-\-config\fR] [\fB\-v\fR|\fB\-\-verbose\fR] [\fB\-q\fR|\fB\-\-quiet\fR] [\fB\-y\fR|\fB\-\-yes\fR] [\fB\-\-dry\-run\fR] [\fB\-\-json\fR] [\fB\-\-no\-color\fR] [\fB\-\-theme\fR] [\fB\-\-lang\fR] [\fB\-h\fR|\fB\-\-help\fR] [\fB\-V\fR|\fB\-\-version\fR] [\fIsubcommands\fR]
 .SH DESCRIPTION
 agent\-manager (am) — a CLI to manage local AI coding agents.
 .PP
@@ -38,6 +38,19 @@ Disable ANSI colors
 \fB\-\-theme\fR \fI<THEME>\fR
 Color theme for the output (see \*(Aqam help theme\*(Aq for the list)
 .TP
+\fB\-\-lang\fR \fI<LANG>\fR
+Output language: fr (default) or en (issue #74)
+.br
+
+.br
+\fIPossible values:\fR
+.RS 14
+.IP \(bu 2
+fr
+.IP \(bu 2
+en
+.RE
+.TP
 \fB\-h\fR, \fB\-\-help\fR
 Print help (see a summary with \*(Aq\-h\*(Aq)
 .TP
@@ -216,4 +229,4 @@ Export the configuration and installation state (backup)
 am\-import(1)
 Import a previously exported configuration and state
 .SH VERSION
-v0.5.4
+v0.5.5