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/nn.msg

@@ -0,0 +1,52 @@
+# created by tools/loadICU.tcl -- do not edit
+namespace eval ::tcl::clock {
+    ::msgcat::mcset nn DAYS_OF_WEEK_ABBREV [list \
+        "su"\
+        "m\u00e5"\
+        "ty"\
+        "on"\
+        "to"\
+        "fr"\
+        "lau"]
+    ::msgcat::mcset nn DAYS_OF_WEEK_FULL [list \
+        "sundag"\
+        "m\u00e5ndag"\
+        "tysdag"\
+        "onsdag"\
+        "torsdag"\
+        "fredag"\
+        "laurdag"]
+    ::msgcat::mcset nn MONTHS_ABBREV [list \
+        "jan"\
+        "feb"\
+        "mar"\
+        "apr"\
+        "mai"\
+        "jun"\
+        "jul"\
+        "aug"\
+        "sep"\
+        "okt"\
+        "nov"\
+        "des"\
+        ""]
+    ::msgcat::mcset nn MONTHS_FULL [list \
+        "januar"\
+        "februar"\
+        "mars"\
+        "april"\
+        "mai"\
+        "juni"\
+        "juli"\
+        "august"\
+        "september"\
+        "oktober"\
+        "november"\
+        "desember"\
+        ""]
+    ::msgcat::mcset nn BCE "f.Kr."
+    ::msgcat::mcset nn CE "e.Kr."
+    ::msgcat::mcset nn DATE_FORMAT "%e. %B %Y"
+    ::msgcat::mcset nn TIME_FORMAT "%H:%M:%S"
+    ::msgcat::mcset nn DATE_TIME_FORMAT "%e. %B %Y %H:%M:%S %z"
+}