refactor(polylines): fetch-Aufruf in setupPolylines durch Redux-Thunk ersetzt

- updatePolylineCoordinatesThunk verwendet
- Service-Architektur mit Redux Toolkit umgesetzt
- fetch entfernt, Version auf 1.1.181 erhöht

redux/slices/database/polylines/updatePolylineCoordinatesSlice.js

@@ -0,0 +1,34 @@
+// /redux/slices/database/polylines/updatePolylineCoordinatesSlice.js
+// Du brauchst diesen Slice nur, wenn du Ladezustand oder Fehler anzeigen möchtest (z. B. Ladeindikator).
+import { createSlice } from "@reduxjs/toolkit";
+import { updatePolylineCoordinatesThunk } from "../../../thunks/database/polylines/updatePolylineCoordinatesThunk";
+
+const slice = createSlice({
+  name: "updatePolylineCoordinates",
+  initialState: {
+    status: "idle",
+    error: null,
+  },
+  reducers: {
+    resetUpdateStatus: (state) => {
+      state.status = "idle";
+      state.error = null;
+    },
+  },
+  extraReducers: (builder) => {
+    builder
+      .addCase(updatePolylineCoordinatesThunk.pending, (state) => {
+        state.status = "loading";
+      })
+      .addCase(updatePolylineCoordinatesThunk.fulfilled, (state) => {
+        state.status = "succeeded";
+      })
+      .addCase(updatePolylineCoordinatesThunk.rejected, (state, action) => {
+        state.status = "failed";
+        state.error = action.error.message;
+      });
+  },
+});
+
+export const { resetUpdateStatus } = slice.actions;
+export default slice.reducer;