Add three.js weather aura layer to dashboard map

frontend/components/dashboard/Dashboard.module.css

@@ -75,6 +75,46 @@
   z-index: 1;
 }
 
+.weatherAura {
+  position: absolute;
+  inset: 0;
+  z-index: 2;
+  pointer-events: none;
+  opacity: 0.88;
+  mix-blend-mode: screen;
+  overflow: hidden;
+}
+
+.weatherAura :global(canvas) {
+  width: 100%;
+  height: 100%;
+  display: block;
+  opacity: 0.94;
+  filter: saturate(1.05) blur(0.3px);
+}
+
+.weatherAuraScrim {
+  position: absolute;
+  inset: 0;
+  background:
+    linear-gradient(
+      180deg,
+      rgba(5, 10, 24, 0.52) 0%,
+      rgba(6, 10, 22, 0.12) 24%,
+      rgba(5, 8, 19, 0.08) 54%,
+      rgba(4, 6, 15, 0.34) 100%
+    ),
+    radial-gradient(
+      circle at 50% 60%,
+      rgba(92, 142, 255, 0.06) 0%,
+      rgba(92, 142, 255, 0) 48%
+    );
+}
+
+.weatherAura[data-reduced-motion="true"] :global(canvas) {
+  display: none;
+}
+
 .root :global(.map .leaflet-tile),
 .root :global(.map .leaflet-marker-icon),
 .root :global(.map .leaflet-marker-shadow),

frontend/components/dashboard/PolyWeatherDashboard.tsx

@@ -21,6 +21,17 @@ const MapCanvas = dynamic(
   },
 );
 
+const WeatherAuraLayer = dynamic(
+  () =>
+    import("@/components/dashboard/WeatherAuraLayer").then(
+      (module) => module.WeatherAuraLayer,
+    ),
+  {
+    ssr: false,
+    loading: () => null,
+  },
+);
+
 const HistoryModal = dynamic(
   () =>
     import("@/components/dashboard/HistoryModal").then(
@@ -83,6 +94,7 @@ function DashboardScreen() {
   return (
     <div className={styles.root}>
       <MapCanvas />
+      <WeatherAuraLayer />
       <HeaderBar />
       <CitySidebar />
       <DetailPanel />

frontend/components/dashboard/WeatherAuraLayer.tsx

@@ -0,0 +1,229 @@
+"use client";
+
+import { CSSProperties, useEffect, useRef, useState } from "react";
+import * as THREE from "three";
+import { useDashboardStore } from "@/hooks/useDashboardStore";
+import { usePrefersReducedMotion } from "@/hooks/usePrefersReducedMotion";
+import { getWeatherAuraProfile } from "@/lib/weather-aura";
+import styles from "./Dashboard.module.css";
+
+function hexToRgba(hex: string, alpha: number) {
+  const sanitized = hex.replace("#", "");
+  const normalized =
+    sanitized.length === 3
+      ? sanitized
+          .split("")
+          .map((char) => `${char}${char}`)
+          .join("")
+      : sanitized.padEnd(6, "0");
+  const numeric = Number.parseInt(normalized, 16);
+  const r = (numeric >> 16) & 255;
+  const g = (numeric >> 8) & 255;
+  const b = numeric & 255;
+  return `rgba(${r}, ${g}, ${b}, ${alpha})`;
+}
+
+export function WeatherAuraLayer() {
+  const store = useDashboardStore();
+  const prefersReducedMotion = usePrefersReducedMotion();
+  const [isDesktop, setIsDesktop] = useState(false);
+  const containerRef = useRef<HTMLDivElement | null>(null);
+
+  const aura = getWeatherAuraProfile(store.selectedDetail, store.cities);
+
+  useEffect(() => {
+    if (typeof window === "undefined" || !window.matchMedia) {
+      return;
+    }
+
+    const mediaQuery = window.matchMedia("(min-width: 1024px)");
+    const apply = () => {
+      setIsDesktop(mediaQuery.matches);
+    };
+
+    apply();
+    mediaQuery.addEventListener("change", apply);
+    return () => {
+      mediaQuery.removeEventListener("change", apply);
+    };
+  }, []);
+
+  useEffect(() => {
+    const host = containerRef.current;
+    if (!host || !isDesktop || prefersReducedMotion) {
+      return;
+    }
+
+    const renderer = new THREE.WebGLRenderer({
+      alpha: true,
+      antialias: true,
+      powerPreference: "low-power",
+    });
+    renderer.setClearColor(0x000000, 0);
+    renderer.setPixelRatio(Math.min(window.devicePixelRatio || 1, 1.5));
+
+    const scene = new THREE.Scene();
+    const camera = new THREE.OrthographicCamera(-1, 1, 1, -1, 0.1, 10);
+    camera.position.z = 2;
+
+    const clock = new THREE.Clock();
+    const particleGroups: Array<{
+      geometry: THREE.BufferGeometry;
+      positions: Float32Array;
+      baseY: Float32Array;
+      drift: Float32Array;
+      phase: Float32Array;
+    }> = [];
+
+    function createParticleField(
+      count: number,
+      pointSize: number,
+      opacity: number,
+      depthShift: number,
+    ) {
+      const geometry = new THREE.BufferGeometry();
+      const positions = new Float32Array(count * 3);
+      const colors = new Float32Array(count * 3);
+      const baseY = new Float32Array(count);
+      const drift = new Float32Array(count);
+      const phase = new Float32Array(count);
+      const primaryColor = new THREE.Color(aura.primary);
+      const secondaryColor = new THREE.Color(aura.secondary);
+      const tertiaryColor = new THREE.Color(aura.tertiary);
+
+      for (let index = 0; index < count; index += 1) {
+        const offset = index * 3;
+        const x = Math.random() * 2.6 - 1.3;
+        const y = Math.random() * 1.8 - 0.9;
+        const z = (Math.random() * 0.8 - 0.4) + depthShift;
+        positions[offset] = x;
+        positions[offset + 1] = y;
+        positions[offset + 2] = z;
+        baseY[index] = y;
+        drift[index] = (0.00045 + Math.random() * 0.0012) * aura.drift;
+        phase[index] = Math.random() * Math.PI * 2;
+
+        const mixedColor = primaryColor
+          .clone()
+          .lerp(secondaryColor, Math.random() * 0.65)
+          .lerp(tertiaryColor, Math.random() * 0.4);
+        colors[offset] = mixedColor.r;
+        colors[offset + 1] = mixedColor.g;
+        colors[offset + 2] = mixedColor.b;
+      }
+
+      geometry.setAttribute("position", new THREE.BufferAttribute(positions, 3));
+      geometry.setAttribute("color", new THREE.BufferAttribute(colors, 3));
+
+      const material = new THREE.PointsMaterial({
+        size: pointSize,
+        transparent: true,
+        opacity,
+        vertexColors: true,
+        depthWrite: false,
+        blending: THREE.AdditiveBlending,
+        sizeAttenuation: true,
+      });
+
+      const points = new THREE.Points(geometry, material);
+      scene.add(points);
+      particleGroups.push({ geometry, positions, baseY, drift, phase });
+    }
+
+    createParticleField(90, 0.018, aura.particleOpacity * 0.9, -0.1);
+    createParticleField(60, 0.026, aura.particleOpacity * 0.65, 0.08);
+
+    const resize = () => {
+      const width = host.clientWidth || window.innerWidth;
+      const height = host.clientHeight || window.innerHeight;
+      renderer.setSize(width, height, false);
+    };
+
+    resize();
+    host.appendChild(renderer.domElement);
+
+    let frameId = 0;
+    let lastFrameAt = 0;
+
+    const renderFrame = (timestamp: number) => {
+      frameId = window.requestAnimationFrame(renderFrame);
+      if (timestamp - lastFrameAt < 40) {
+        return;
+      }
+      lastFrameAt = timestamp;
+
+      const elapsed = clock.getElapsedTime();
+      for (const field of particleGroups) {
+        for (let index = 0; index < field.baseY.length; index += 1) {
+          const offset = index * 3;
+          let nextX = field.positions[offset] + field.drift[index];
+          if (nextX > 1.35) {
+            nextX = -1.35;
+            field.baseY[index] = Math.random() * 1.8 - 0.9;
+          }
+          field.positions[offset] = nextX;
+          field.positions[offset + 1] =
+            field.baseY[index] +
+            Math.sin(elapsed * 0.45 + field.phase[index] + nextX * 2.4) *
+              0.06 *
+              aura.intensity;
+        }
+
+        field.geometry.attributes.position.needsUpdate = true;
+      }
+
+      renderer.render(scene, camera);
+    };
+
+    frameId = window.requestAnimationFrame(renderFrame);
+    window.addEventListener("resize", resize);
+
+    return () => {
+      window.cancelAnimationFrame(frameId);
+      window.removeEventListener("resize", resize);
+      for (const child of [...scene.children]) {
+        scene.remove(child);
+      }
+      for (const field of particleGroups) {
+        field.geometry.dispose();
+      }
+      renderer.dispose();
+      if (renderer.domElement.parentNode === host) {
+        host.removeChild(renderer.domElement);
+      }
+    };
+  }, [
+    aura.drift,
+    aura.intensity,
+    aura.particleOpacity,
+    aura.primary,
+    aura.secondary,
+    aura.tertiary,
+    isDesktop,
+    prefersReducedMotion,
+  ]);
+
+  if (!isDesktop) {
+    return null;
+  }
+
+  const overlayStyle = {
+    backgroundImage: [
+      `radial-gradient(circle at 18% 22%, ${hexToRgba(aura.primary, 0.18 * aura.intensity)}, transparent 32%)`,
+      `radial-gradient(circle at 78% 20%, ${hexToRgba(aura.secondary, 0.14 * aura.intensity)}, transparent 34%)`,
+      `radial-gradient(circle at 52% 78%, ${hexToRgba(aura.tertiary, 0.12 * aura.intensity)}, transparent 38%)`,
+    ].join(", "),
+  } as CSSProperties;
+
+  return (
+    <div
+      ref={containerRef}
+      aria-hidden="true"
+      className={styles.weatherAura}
+      data-reduced-motion={prefersReducedMotion ? "true" : "false"}
+      style={overlayStyle}
+    >
+      <div className={styles.weatherAuraScrim} />
+    </div>
+  );
+}

frontend/hooks/usePrefersReducedMotion.ts

@@ -0,0 +1,26 @@
+"use client";
+
+import { useEffect, useState } from "react";
+
+export function usePrefersReducedMotion() {
+  const [prefersReducedMotion, setPrefersReducedMotion] = useState(false);
+
+  useEffect(() => {
+    if (typeof window === "undefined" || !window.matchMedia) {
+      return;
+    }
+
+    const mediaQuery = window.matchMedia("(prefers-reduced-motion: reduce)");
+    const apply = () => {
+      setPrefersReducedMotion(mediaQuery.matches);
+    };
+
+    apply();
+    mediaQuery.addEventListener("change", apply);
+    return () => {
+      mediaQuery.removeEventListener("change", apply);
+    };
+  }, []);
+
+  return prefersReducedMotion;
+}

frontend/lib/weather-aura.ts

@@ -0,0 +1,66 @@
+import { CityDetail, CityListItem } from "@/lib/dashboard-types";
+
+export interface WeatherAuraProfile {
+  primary: string;
+  secondary: string;
+  tertiary: string;
+  intensity: number;
+  drift: number;
+  particleOpacity: number;
+}
+
+const RISK_AURA: Record<string, Omit<WeatherAuraProfile, "intensity" | "drift">> =
+  {
+    high: {
+      primary: "#ff7c2a",
+      secondary: "#ffcf66",
+      tertiary: "#56c7ff",
+      particleOpacity: 0.42,
+    },
+    medium: {
+      primary: "#f6c453",
+      secondary: "#5eead4",
+      tertiary: "#7dd3fc",
+      particleOpacity: 0.34,
+    },
+    low: {
+      primary: "#38bdf8",
+      secondary: "#22d3ee",
+      tertiary: "#34d399",
+      particleOpacity: 0.28,
+    },
+    default: {
+      primary: "#6ee7ff",
+      secondary: "#7c8dff",
+      tertiary: "#60a5fa",
+      particleOpacity: 0.3,
+    },
+  };
+
+function clamp(value: number, min: number, max: number) {
+  return Math.min(Math.max(value, min), max);
+}
+
+export function getWeatherAuraProfile(
+  detail: CityDetail | null,
+  cities: CityListItem[],
+): WeatherAuraProfile {
+  const dominantRisk =
+    String(detail?.risk?.level || "").toLowerCase() ||
+    String(cities.find((city) => city.risk_level)?.risk_level || "").toLowerCase() ||
+    "default";
+
+  const base = RISK_AURA[dominantRisk] || RISK_AURA.default;
+  const currentTemp = Number(detail?.current?.temp);
+  const validTemp = Number.isFinite(currentTemp) ? currentTemp : 18;
+  const intensity = clamp(0.7 + validTemp / 40, 0.72, 1.45);
+  const drift = clamp(0.45 + validTemp / 30, 0.55, 1.35);
+  const particleOpacity = clamp(base.particleOpacity + (intensity - 1) * 0.08, 0.22, 0.48);
+
+  return {
+    ...base,
+    intensity,
+    drift,
+    particleOpacity,
+  };
+}

frontend/package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "polyweather-frontend",
-  "version": "0.1.0",
+  "version": "1.5.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "polyweather-frontend",
-      "version": "0.1.0",
+      "version": "1.5.1",
       "dependencies": {
         "@radix-ui/react-slot": "^1.1.2",
         "@supabase/ssr": "^0.5.2",
@@ -23,13 +23,15 @@
         "react": "^19.0.0",
         "react-dom": "^19.0.0",
         "react-leaflet": "^5.0.0",
-        "tailwind-merge": "^3.3.0"
+        "tailwind-merge": "^3.3.0",
+        "three": "^0.183.2"
       },
       "devDependencies": {
         "@types/leaflet": "^1.9.20",
         "@types/node": "^22.15.21",
         "@types/react": "^19.0.10",
         "@types/react-dom": "^19.0.4",
+        "@types/three": "^0.183.1",
         "@types/trusted-types": "^2.0.7",
         "autoprefixer": "^10.4.20",
         "postcss": "^8.5.3",
@@ -109,6 +111,12 @@
         "zod": "^3.24.4"
       }
     },
+    "node_modules/@dimforge/rapier3d-compat": {
+      "version": "0.12.0",
+      "resolved": "https://registry.npmmirror.com/@dimforge/rapier3d-compat/-/rapier3d-compat-0.12.0.tgz",
+      "integrity": "sha512-uekIGetywIgopfD97oDL5PfeezkFpNhwlzlaEYNOA0N6ghdsOvh/HYjSMek5Q2O1PYvRSDFcqFVJl4r4ZBwOow==",
+      "dev": true
+    },
     "node_modules/@emnapi/runtime": {
       "version": "1.8.1",
       "resolved": "https://registry.npmmirror.com/@emnapi/runtime/-/runtime-1.8.1.tgz",
@@ -2857,6 +2865,12 @@
         "tslib": "^2.8.0"
       }
     },
+    "node_modules/@tweenjs/tween.js": {
+      "version": "23.1.3",
+      "resolved": "https://registry.npmmirror.com/@tweenjs/tween.js/-/tween.js-23.1.3.tgz",
+      "integrity": "sha512-vJmvvwFxYuGnF2axRtPYocag6Clbb5YS7kLL+SO/TeVFzHqDIWrNKYtcsPMibjDx9O+bu+psAy9NKfWklassUA==",
+      "dev": true
+    },
     "node_modules/@types/connect": {
       "version": "3.4.38",
       "resolved": "https://registry.npmmirror.com/@types/connect/-/connect-3.4.38.tgz",
@@ -2917,6 +2931,27 @@
         "@types/react": "^19.2.0"
       }
     },
+    "node_modules/@types/stats.js": {
+      "version": "0.17.4",
+      "resolved": "https://registry.npmmirror.com/@types/stats.js/-/stats.js-0.17.4.tgz",
+      "integrity": "sha512-jIBvWWShCvlBqBNIZt0KAshWpvSjhkwkEu4ZUcASoAvhmrgAUI2t1dXrjSL4xXVLB4FznPrIsX3nKXFl/Dt4vA==",
+      "dev": true
+    },
+    "node_modules/@types/three": {
+      "version": "0.183.1",
+      "resolved": "https://registry.npmmirror.com/@types/three/-/three-0.183.1.tgz",
+      "integrity": "sha512-f2Pu5Hrepfgavttdye3PsH5RWyY/AvdZQwIVhrc4uNtvF7nOWJacQKcoVJn0S4f0yYbmAE6AR+ve7xDcuYtMGw==",
+      "dev": true,
+      "dependencies": {
+        "@dimforge/rapier3d-compat": "~0.12.0",
+        "@tweenjs/tween.js": "~23.1.3",
+        "@types/stats.js": "*",
+        "@types/webxr": ">=0.5.17",
+        "@webgpu/types": "*",
+        "fflate": "~0.8.2",
+        "meshoptimizer": "~1.0.1"
+      }
+    },
     "node_modules/@types/trusted-types": {
       "version": "2.0.7",
       "resolved": "https://registry.npmmirror.com/@types/trusted-types/-/trusted-types-2.0.7.tgz",
@@ -2928,6 +2963,12 @@
       "integrity": "sha512-7gqG38EyHgyP1S+7+xomFtL+ZNHcKv6DwNaCZmJmo1vgMugyF3TCnXVg4t1uk89mLNwnLtnY3TpOpCOyp1/xHQ==",
       "optional": true
     },
+    "node_modules/@types/webxr": {
+      "version": "0.5.24",
+      "resolved": "https://registry.npmmirror.com/@types/webxr/-/webxr-0.5.24.tgz",
+      "integrity": "sha512-h8fgEd/DpoS9CBrjEQXR+dIDraopAEfu4wYVNY2tEPwk60stPWhvZMf4Foo5FakuQ7HFZoa8WceaWFervK2Ovg==",
+      "dev": true
+    },
     "node_modules/@types/ws": {
       "version": "8.18.1",
       "resolved": "https://registry.npmmirror.com/@types/ws/-/ws-8.18.1.tgz",
@@ -3475,6 +3516,12 @@
       "resolved": "https://registry.npmmirror.com/tslib/-/tslib-1.14.1.tgz",
       "integrity": "sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg=="
     },
+    "node_modules/@webgpu/types": {
+      "version": "0.1.69",
+      "resolved": "https://registry.npmmirror.com/@webgpu/types/-/types-0.1.69.tgz",
+      "integrity": "sha512-RPmm6kgRbI8e98zSD3RVACvnuktIja5+yLgDAkTmxLr90BEwdTXRQWNLF3ETTTyH/8mKhznZuN5AveXYFEsMGQ==",
+      "dev": true
+    },
     "node_modules/abitype": {
       "version": "1.0.6",
       "resolved": "https://registry.npmmirror.com/abitype/-/abitype-1.0.6.tgz",
@@ -4308,6 +4355,12 @@
         "reusify": "^1.0.4"
       }
     },
+    "node_modules/fflate": {
+      "version": "0.8.2",
+      "resolved": "https://registry.npmmirror.com/fflate/-/fflate-0.8.2.tgz",
+      "integrity": "sha512-cPJU47OaAoCbg0pBvzsgpTPhmhqI5eJjh/JIu8tPj5q+T7iLvW/JAYUqmE7KOB4R1ZyEhzBaIQpQpardBF5z8A==",
+      "dev": true
+    },
     "node_modules/fill-range": {
       "version": "7.1.1",
       "resolved": "https://registry.npmmirror.com/fill-range/-/fill-range-7.1.1.tgz",
@@ -4901,6 +4954,12 @@
         "node": ">= 8"
       }
     },
+    "node_modules/meshoptimizer": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmmirror.com/meshoptimizer/-/meshoptimizer-1.0.1.tgz",
+      "integrity": "sha512-Vix+QlA1YYT3FwmBBZ+49cE5y/b+pRrcXKqGpS5ouh33d3lSp2PoTpCw19E0cKDFWalembrHnIaZetf27a+W2g==",
+      "dev": true
+    },
     "node_modules/micromatch": {
       "version": "4.0.8",
       "resolved": "https://registry.npmmirror.com/micromatch/-/micromatch-4.0.8.tgz",
@@ -6016,6 +6075,11 @@
         "real-require": "^0.2.0"
       }
     },
+    "node_modules/three": {
+      "version": "0.183.2",
+      "resolved": "https://registry.npmmirror.com/three/-/three-0.183.2.tgz",
+      "integrity": "sha512-di3BsL2FEQ1PA7Hcvn4fyJOlxRRgFYBpMTcyOgkwJIaDOdJMebEFPA+t98EvjuljDx4hNulAGwF6KIjtwI5jgQ=="
+    },
     "node_modules/tinyglobby": {
       "version": "0.2.15",
       "resolved": "https://registry.npmmirror.com/tinyglobby/-/tinyglobby-0.2.15.tgz",
@@ -6642,6 +6706,12 @@
         "zod": "^3.24.4"
       }
     },
+    "@dimforge/rapier3d-compat": {
+      "version": "0.12.0",
+      "resolved": "https://registry.npmmirror.com/@dimforge/rapier3d-compat/-/rapier3d-compat-0.12.0.tgz",
+      "integrity": "sha512-uekIGetywIgopfD97oDL5PfeezkFpNhwlzlaEYNOA0N6ghdsOvh/HYjSMek5Q2O1PYvRSDFcqFVJl4r4ZBwOow==",
+      "dev": true
+    },
     "@emnapi/runtime": {
       "version": "1.8.1",
       "resolved": "https://registry.npmmirror.com/@emnapi/runtime/-/runtime-1.8.1.tgz",
@@ -8349,6 +8419,12 @@
         "tslib": "^2.8.0"
       }
     },
+    "@tweenjs/tween.js": {
+      "version": "23.1.3",
+      "resolved": "https://registry.npmmirror.com/@tweenjs/tween.js/-/tween.js-23.1.3.tgz",
+      "integrity": "sha512-vJmvvwFxYuGnF2axRtPYocag6Clbb5YS7kLL+SO/TeVFzHqDIWrNKYtcsPMibjDx9O+bu+psAy9NKfWklassUA==",
+      "dev": true
+    },
     "@types/connect": {
       "version": "3.4.38",
       "resolved": "https://registry.npmmirror.com/@types/connect/-/connect-3.4.38.tgz",
@@ -8407,6 +8483,27 @@
       "dev": true,
       "requires": {}
     },
+    "@types/stats.js": {
+      "version": "0.17.4",
+      "resolved": "https://registry.npmmirror.com/@types/stats.js/-/stats.js-0.17.4.tgz",
+      "integrity": "sha512-jIBvWWShCvlBqBNIZt0KAshWpvSjhkwkEu4ZUcASoAvhmrgAUI2t1dXrjSL4xXVLB4FznPrIsX3nKXFl/Dt4vA==",
+      "dev": true
+    },
+    "@types/three": {
+      "version": "0.183.1",
+      "resolved": "https://registry.npmmirror.com/@types/three/-/three-0.183.1.tgz",
+      "integrity": "sha512-f2Pu5Hrepfgavttdye3PsH5RWyY/AvdZQwIVhrc4uNtvF7nOWJacQKcoVJn0S4f0yYbmAE6AR+ve7xDcuYtMGw==",
+      "dev": true,
+      "requires": {
+        "@dimforge/rapier3d-compat": "~0.12.0",
+        "@tweenjs/tween.js": "~23.1.3",
+        "@types/stats.js": "*",
+        "@types/webxr": ">=0.5.17",
+        "@webgpu/types": "*",
+        "fflate": "~0.8.2",
+        "meshoptimizer": "~1.0.1"
+      }
+    },
     "@types/trusted-types": {
       "version": "2.0.7",
       "resolved": "https://registry.npmmirror.com/@types/trusted-types/-/trusted-types-2.0.7.tgz",
@@ -8418,6 +8515,12 @@
       "integrity": "sha512-7gqG38EyHgyP1S+7+xomFtL+ZNHcKv6DwNaCZmJmo1vgMugyF3TCnXVg4t1uk89mLNwnLtnY3TpOpCOyp1/xHQ==",
       "optional": true
     },
+    "@types/webxr": {
+      "version": "0.5.24",
+      "resolved": "https://registry.npmmirror.com/@types/webxr/-/webxr-0.5.24.tgz",
+      "integrity": "sha512-h8fgEd/DpoS9CBrjEQXR+dIDraopAEfu4wYVNY2tEPwk60stPWhvZMf4Foo5FakuQ7HFZoa8WceaWFervK2Ovg==",
+      "dev": true
+    },
     "@types/ws": {
       "version": "8.18.1",
       "resolved": "https://registry.npmmirror.com/@types/ws/-/ws-8.18.1.tgz",
@@ -8838,6 +8941,12 @@
         }
       }
     },
+    "@webgpu/types": {
+      "version": "0.1.69",
+      "resolved": "https://registry.npmmirror.com/@webgpu/types/-/types-0.1.69.tgz",
+      "integrity": "sha512-RPmm6kgRbI8e98zSD3RVACvnuktIja5+yLgDAkTmxLr90BEwdTXRQWNLF3ETTTyH/8mKhznZuN5AveXYFEsMGQ==",
+      "dev": true
+    },
     "abitype": {
       "version": "1.0.6",
       "resolved": "https://registry.npmmirror.com/abitype/-/abitype-1.0.6.tgz",
@@ -9423,6 +9532,12 @@
         "reusify": "^1.0.4"
       }
     },
+    "fflate": {
+      "version": "0.8.2",
+      "resolved": "https://registry.npmmirror.com/fflate/-/fflate-0.8.2.tgz",
+      "integrity": "sha512-cPJU47OaAoCbg0pBvzsgpTPhmhqI5eJjh/JIu8tPj5q+T7iLvW/JAYUqmE7KOB4R1ZyEhzBaIQpQpardBF5z8A==",
+      "dev": true
+    },
     "fill-range": {
       "version": "7.1.1",
       "resolved": "https://registry.npmmirror.com/fill-range/-/fill-range-7.1.1.tgz",
@@ -9835,6 +9950,12 @@
       "integrity": "sha512-8q7VEgMJW4J8tcfVPy8g09NcQwZdbwFEqhe/WZkoIzjn/3TGDwtOCYtXGxA3O8tPzpczCCDgv+P2P5y00ZJOOg==",
       "dev": true
     },
+    "meshoptimizer": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmmirror.com/meshoptimizer/-/meshoptimizer-1.0.1.tgz",
+      "integrity": "sha512-Vix+QlA1YYT3FwmBBZ+49cE5y/b+pRrcXKqGpS5ouh33d3lSp2PoTpCw19E0cKDFWalembrHnIaZetf27a+W2g==",
+      "dev": true
+    },
     "micromatch": {
       "version": "4.0.8",
       "resolved": "https://registry.npmmirror.com/micromatch/-/micromatch-4.0.8.tgz",
@@ -10534,6 +10655,11 @@
         "real-require": "^0.2.0"
       }
     },
+    "three": {
+      "version": "0.183.2",
+      "resolved": "https://registry.npmmirror.com/three/-/three-0.183.2.tgz",
+      "integrity": "sha512-di3BsL2FEQ1PA7Hcvn4fyJOlxRRgFYBpMTcyOgkwJIaDOdJMebEFPA+t98EvjuljDx4hNulAGwF6KIjtwI5jgQ=="
+    },
     "tinyglobby": {
       "version": "0.2.15",
       "resolved": "https://registry.npmmirror.com/tinyglobby/-/tinyglobby-0.2.15.tgz",

frontend/package.json

@@ -24,13 +24,15 @@
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
     "react-leaflet": "^5.0.0",
-    "tailwind-merge": "^3.3.0"
+    "tailwind-merge": "^3.3.0",
+    "three": "^0.183.2"
   },
   "devDependencies": {
     "@types/leaflet": "^1.9.20",
     "@types/node": "^22.15.21",
     "@types/react": "^19.0.10",
     "@types/react-dom": "^19.0.4",
+    "@types/three": "^0.183.1",
     "@types/trusted-types": "^2.0.7",
     "autoprefixer": "^10.4.20",
     "postcss": "^8.5.3",