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/util/cursor/getCursorPoints.js

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+import { polarToCartesian } from '../PolarUtils';
+import { isPolarCoordinate } from '../types';
+import { getRadialCursorPoints } from './getRadialCursorPoints';
+export function getCursorPoints(layout, activeCoordinate, offset) {
+  if (layout === 'horizontal') {
+    return [{
+      x: activeCoordinate.x,
+      y: offset.top
+    }, {
+      x: activeCoordinate.x,
+      y: offset.top + offset.height
+    }];
+  }
+  if (layout === 'vertical') {
+    return [{
+      x: offset.left,
+      y: activeCoordinate.y
+    }, {
+      x: offset.left + offset.width,
+      y: activeCoordinate.y
+    }];
+  }
+  if (isPolarCoordinate(activeCoordinate)) {
+    if (layout === 'centric') {
+      var cx = activeCoordinate.cx,
+        cy = activeCoordinate.cy,
+        innerRadius = activeCoordinate.innerRadius,
+        outerRadius = activeCoordinate.outerRadius,
+        angle = activeCoordinate.angle;
+      var innerPoint = polarToCartesian(cx, cy, innerRadius, angle);
+      var outerPoint = polarToCartesian(cx, cy, outerRadius, angle);
+      return [{
+        x: innerPoint.x,
+        y: innerPoint.y
+      }, {
+        x: outerPoint.x,
+        y: outerPoint.y
+      }];
+    }
+    return getRadialCursorPoints(activeCoordinate);
+  }
+  return undefined;
+}

frontend/node_modules/recharts/es6/util/cursor/getCursorRectangle.js

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+export function getCursorRectangle(layout, activeCoordinate, offset, tooltipAxisBandSize) {
+  var halfSize = tooltipAxisBandSize / 2;
+  return {
+    stroke: 'none',
+    fill: '#ccc',
+    x: layout === 'horizontal' ? activeCoordinate.x - halfSize : offset.left + 0.5,
+    y: layout === 'horizontal' ? offset.top + 0.5 : activeCoordinate.y - halfSize,
+    width: layout === 'horizontal' ? tooltipAxisBandSize : offset.width - 1,
+    height: layout === 'horizontal' ? offset.height - 1 : tooltipAxisBandSize
+  };
+}

frontend/node_modules/recharts/es6/util/cursor/getRadialCursorPoints.js

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+import { polarToCartesian } from '../PolarUtils';
+/**
+ * Only applicable for radial layouts
+ * @param {Object} activeCoordinate ChartCoordinate
+ * @returns {Object} RadialCursorPoints
+ */
+export function getRadialCursorPoints(activeCoordinate) {
+  var cx = activeCoordinate.cx,
+    cy = activeCoordinate.cy,
+    radius = activeCoordinate.radius,
+    startAngle = activeCoordinate.startAngle,
+    endAngle = activeCoordinate.endAngle;
+  var startPoint = polarToCartesian(cx, cy, radius, startAngle);
+  var endPoint = polarToCartesian(cx, cy, radius, endAngle);
+  return {
+    points: [startPoint, endPoint],
+    cx,
+    cy,
+    radius,
+    startAngle,
+    endAngle
+  };
+}