intermediate commit

tools/launch/launch-dev.sh

@@ -20,6 +20,7 @@ FRONTEND_FORCE_RELOAD="${GOVOPLAN_FRONTEND_FORCE_RELOAD:-1}"
 FRONTEND_CLEAR_VITE_CACHE="${GOVOPLAN_FRONTEND_CLEAR_VITE_CACHE:-1}"
 FRONTEND_USE_POLLING="${GOVOPLAN_FRONTEND_USE_POLLING:-1}"
 FRONTEND_POLLING_INTERVAL="${GOVOPLAN_FRONTEND_POLLING_INTERVAL:-500}"
+AUTO_SYNC_PYTHON="${GOVOPLAN_AUTO_SYNC_PYTHON:-1}"
 DEV_DATABASE_BACKEND="${GOVOPLAN_DEV_DATABASE_BACKEND:-postgres}"
 
 LOG_DIR="${GOVOPLAN_DEV_LOG_DIR:-$META_ROOT/runtime/dev-launcher}"
@@ -137,6 +138,14 @@ trap cleanup EXIT INT TERM
 [ -f "$WEBUI_ROOT/package.json" ] || fail "WebUI package.json not found at $WEBUI_ROOT/package.json"
 [ -d "$WEBUI_ROOT/node_modules" ] || fail "WebUI node_modules missing. Run: cd $WEBUI_ROOT && PATH=$NODE_BIN:\$PATH $NPM install"
 
+if [ "$AUTO_SYNC_PYTHON" = "1" ]; then
+  "$PYTHON" "$META_ROOT/tools/repo/sync-python-environment.py" \
+    --requirements "$META_ROOT/requirements-dev.txt" \
+    --python "$PYTHON" \
+    --stamp "$VENV_ROOT/.govoplan-sync-requirements-dev.json" \
+    || fail "Python environment synchronization failed"
+fi
+
 (
   cd "$META_ROOT"
   "$PYTHON" - <<'PY'