wip, claude + docker-compose modifications

app.py

@@ -12,9 +12,15 @@ SUPPORTED_LANGS = ["fr", "en", "de"]
 
 
 def _select_locale():
+    # 1. Explicit session override (set via flag switcher)
     lang = flask_session.get("lang")
     if lang in SUPPORTED_LANGS:
         return lang
+    # 2. Authenticated user's stored preference
+    if current_user.is_authenticated and current_user.language in SUPPORTED_LANGS:
+        flask_session["lang"] = current_user.language
+        return current_user.language
+    # 3. Browser Accept-Language header
     return request.accept_languages.best_match(SUPPORTED_LANGS) or "en"
 
 
@@ -74,11 +80,13 @@ def create_app(config_class=Config):
     def load_user(user_id):
         return db.session.get(User, int(user_id))
 
+    from blueprints.admin import admin_bp
     from blueprints.auth import auth_bp
     from blueprints.dashboard import dashboard_bp
     from blueprints.equipment import equipment_bp
     from blueprints.sessions import sessions_bp
     from blueprints.analyses import analyses_bp
+    app.register_blueprint(admin_bp)
     app.register_blueprint(auth_bp)
     app.register_blueprint(dashboard_bp)
     app.register_blueprint(equipment_bp)
@@ -116,6 +124,9 @@ def create_app(config_class=Config):
     def set_lang(lang: str):
         if lang in SUPPORTED_LANGS:
             flask_session["lang"] = lang
+            if current_user.is_authenticated:
+                current_user.language = lang
+                db.session.commit()
         return redirect(request.referrer or "/")
 
     @app.route("/")