Add settings page for managing forecasting API key and URL via UI

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

frontend/node_modules/recharts/lib/state/rootPropsSlice.js

@@ -0,0 +1,47 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.updateOptions = exports.rootPropsReducer = exports.initialState = void 0;
+var _toolkit = require("@reduxjs/toolkit");
+/**
+ * These are chart options that users can choose - which means they can also
+ * choose to change them which should trigger a re-render.
+ */
+
+var initialState = exports.initialState = {
+  accessibilityLayer: true,
+  barCategoryGap: '10%',
+  barGap: 4,
+  barSize: undefined,
+  className: undefined,
+  maxBarSize: undefined,
+  stackOffset: 'none',
+  syncId: undefined,
+  syncMethod: 'index',
+  baseValue: undefined,
+  reverseStackOrder: false
+};
+var rootPropsSlice = (0, _toolkit.createSlice)({
+  name: 'rootProps',
+  initialState,
+  reducers: {
+    updateOptions: (state, action) => {
+      var _action$payload$barGa;
+      state.accessibilityLayer = action.payload.accessibilityLayer;
+      state.barCategoryGap = action.payload.barCategoryGap;
+      state.barGap = (_action$payload$barGa = action.payload.barGap) !== null && _action$payload$barGa !== void 0 ? _action$payload$barGa : initialState.barGap;
+      state.barSize = action.payload.barSize;
+      state.maxBarSize = action.payload.maxBarSize;
+      state.stackOffset = action.payload.stackOffset;
+      state.syncId = action.payload.syncId;
+      state.syncMethod = action.payload.syncMethod;
+      state.className = action.payload.className;
+      state.baseValue = action.payload.baseValue;
+      state.reverseStackOrder = action.payload.reverseStackOrder;
+    }
+  }
+});
+var rootPropsReducer = exports.rootPropsReducer = rootPropsSlice.reducer;
+var updateOptions = exports.updateOptions = rootPropsSlice.actions.updateOptions;