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/es6/state/mouseEventsMiddleware.js

@@ -0,0 +1,109 @@
+import { createAction, createListenerMiddleware } from '@reduxjs/toolkit';
+import { mouseLeaveChart, setMouseClickAxisIndex, setMouseOverAxisIndex } from './tooltipSlice';
+import { selectActivePropsFromChartPointer } from './selectors/selectActivePropsFromChartPointer';
+import { selectTooltipEventType } from './selectors/selectTooltipEventType';
+import { getRelativeCoordinate } from '../util/getRelativeCoordinate';
+export var mouseClickAction = createAction('mouseClick');
+export var mouseClickMiddleware = createListenerMiddleware();
+
+// TODO: there's a bug here when you click the chart the activeIndex resets to zero
+mouseClickMiddleware.startListening({
+  actionCreator: mouseClickAction,
+  effect: (action, listenerApi) => {
+    var mousePointer = action.payload;
+    var activeProps = selectActivePropsFromChartPointer(listenerApi.getState(), getRelativeCoordinate(mousePointer));
+    if ((activeProps === null || activeProps === void 0 ? void 0 : activeProps.activeIndex) != null) {
+      listenerApi.dispatch(setMouseClickAxisIndex({
+        activeIndex: activeProps.activeIndex,
+        activeDataKey: undefined,
+        activeCoordinate: activeProps.activeCoordinate
+      }));
+    }
+  }
+});
+export var mouseMoveAction = createAction('mouseMove');
+export var mouseMoveMiddleware = createListenerMiddleware();
+
+/*
+ * This single rafId is safe because:
+ * 1. Each chart has its own Redux store instance with its own middleware
+ * 2. mouseMoveAction only fires from one DOM element (the chart wrapper)
+ * 3. Rapid mousemove events from the same element SHOULD debounce - we only care about the latest position
+ * This is different from externalEventsMiddleware which handles multiple event types
+ * (click, mouseenter, mouseleave, etc.) that should NOT cancel each other.
+ */
+var rafId = null;
+var timeoutId = null;
+var latestChartPointer = null;
+mouseMoveMiddleware.startListening({
+  actionCreator: mouseMoveAction,
+  effect: (action, listenerApi) => {
+    var mousePointer = action.payload;
+    var state = listenerApi.getState();
+    var _state$eventSettings = state.eventSettings,
+      throttleDelay = _state$eventSettings.throttleDelay,
+      throttledEvents = _state$eventSettings.throttledEvents;
+    var isThrottled = throttledEvents === 'all' || (throttledEvents === null || throttledEvents === void 0 ? void 0 : throttledEvents.includes('mousemove'));
+
+    // Cancel any pending execution
+    if (rafId !== null) {
+      cancelAnimationFrame(rafId);
+      rafId = null;
+    }
+    if (timeoutId !== null && (typeof throttleDelay !== 'number' || !isThrottled)) {
+      clearTimeout(timeoutId);
+      timeoutId = null;
+    }
+
+    /*
+     * Here it is important to resolve the chart pointer _before_ the callback,
+     * because once we leave the current event loop, the mousePointer event object will lose
+     * reference to currentTarget which getRelativeCoordinate uses.
+     */
+    latestChartPointer = getRelativeCoordinate(mousePointer);
+    var callback = () => {
+      /*
+       * Here we read a fresh state again inside the callback to ensure we have the latest state values
+       * after any potential actions that may have been dispatched between the original event and this callback.
+       */
+      var currentState = listenerApi.getState();
+      var tooltipEventType = selectTooltipEventType(currentState, currentState.tooltip.settings.shared);
+      if (!latestChartPointer) {
+        rafId = null;
+        timeoutId = null;
+        return;
+      }
+
+      /*
+       * This functionality only applies to charts that have axes.
+       * Graphical items have its own mouse events handling mechanism where they attach events directly to the items.
+       */
+      if (tooltipEventType === 'axis') {
+        var activeProps = selectActivePropsFromChartPointer(currentState, latestChartPointer);
+        if ((activeProps === null || activeProps === void 0 ? void 0 : activeProps.activeIndex) != null) {
+          listenerApi.dispatch(setMouseOverAxisIndex({
+            activeIndex: activeProps.activeIndex,
+            activeDataKey: undefined,
+            activeCoordinate: activeProps.activeCoordinate
+          }));
+        } else {
+          // this is needed to clear tooltip state when the mouse moves out of the inRange (svg - offset) function, but not yet out of the svg
+          listenerApi.dispatch(mouseLeaveChart());
+        }
+      }
+      rafId = null;
+      timeoutId = null;
+    };
+    if (!isThrottled) {
+      callback();
+      return;
+    }
+    if (throttleDelay === 'raf') {
+      rafId = requestAnimationFrame(callback);
+    } else if (typeof throttleDelay === 'number') {
+      if (timeoutId === null) {
+        timeoutId = setTimeout(callback, throttleDelay);
+      }
+    }
+  }
+});