v0.6.4 - Retour onedir (configuration stable)

Changements :
- Retour a --onedir : seule configuration sans erreur DLL confirmee
- _internal/ recommite dans le repo
- build.bat restaure avec copie automatique de _internal/

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

_internal/_tcl_data/msgs/kl.msg

@@ -0,0 +1,47 @@
+# created by tools/loadICU.tcl -- do not edit
+namespace eval ::tcl::clock {
+    ::msgcat::mcset kl DAYS_OF_WEEK_ABBREV [list \
+        "sab"\
+        "ata"\
+        "mar"\
+        "pin"\
+        "sis"\
+        "tal"\
+        "arf"]
+    ::msgcat::mcset kl DAYS_OF_WEEK_FULL [list \
+        "sabaat"\
+        "ataasinngorneq"\
+        "marlunngorneq"\
+        "pingasunngorneq"\
+        "sisamanngorneq"\
+        "tallimanngorneq"\
+        "arfininngorneq"]
+    ::msgcat::mcset kl MONTHS_ABBREV [list \
+        "jan"\
+        "feb"\
+        "mar"\
+        "apr"\
+        "maj"\
+        "jun"\
+        "jul"\
+        "aug"\
+        "sep"\
+        "okt"\
+        "nov"\
+        "dec"\
+        ""]
+    ::msgcat::mcset kl MONTHS_FULL [list \
+        "januari"\
+        "februari"\
+        "martsi"\
+        "aprili"\
+        "maji"\
+        "juni"\
+        "juli"\
+        "augustusi"\
+        "septemberi"\
+        "oktoberi"\
+        "novemberi"\
+        "decemberi"\
+        ""]
+}