US-023: Install D3 and scaffold CareerConstellation component

package-lock.json

@@ -8,6 +8,8 @@
       "name": "andy-charlwood-cv",
       "version": "0.0.0",
       "dependencies": {
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         "framer-motion": "^11.15.0",
         "fuse.js": "^7.1.0",
         "lucide-react": "^0.468.0",
@@ -1467,6 +1469,259 @@
         "@babel/types": "^7.28.2"
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+        "d3-time-format": "2 - 4"
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+        "d3-time": "1 - 3"
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+      }
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+    "node_modules/d3-timer": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/d3-timer/-/d3-timer-3.0.1.tgz",
+      "integrity": "sha512-ndfJ/JxxMd3nw31uyKoY2naivF+r29V+Lc0svZxe1JvvIRmi8hUsrMvdOwgS1o6uBHmiz91geQ0ylPP0aj1VUA==",
+      "license": "ISC",
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/d3-transition": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/d3-transition/-/d3-transition-3.0.1.tgz",
+      "integrity": "sha512-ApKvfjsSR6tg06xrL434C0WydLr7JewBB3V+/39RMHsaXTOG0zmt/OAXeng5M5LBm0ojmxJrpomQVZ1aPvBL4w==",
+      "license": "ISC",
+      "dependencies": {
+        "d3-color": "1 - 3",
+        "d3-dispatch": "1 - 3",
+        "d3-ease": "1 - 3",
+        "d3-interpolate": "1 - 3",
+        "d3-timer": "1 - 3"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "peerDependencies": {
+        "d3-selection": "2 - 3"
+      }
+    },
+    "node_modules/d3-zoom": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/d3-zoom/-/d3-zoom-3.0.0.tgz",
+      "integrity": "sha512-b8AmV3kfQaqWAuacbPuNbL6vahnOJflOhexLzMMNLga62+/nh0JzvJ0aO/5a5MVgUFGS7Hu1P9P03o3fJkDCyw==",
+      "license": "ISC",
+      "dependencies": {
+        "d3-dispatch": "1 - 3",
+        "d3-drag": "2 - 3",
+        "d3-interpolate": "1 - 3",
+        "d3-selection": "2 - 3",
+        "d3-transition": "2 - 3"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
     "node_modules/debug": {
       "version": "4.4.3",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
@@ -2215,6 +2886,15 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/delaunator": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/delaunator/-/delaunator-5.0.1.tgz",
+      "integrity": "sha512-8nvh+XBe96aCESrGOqMp/84b13H9cdKbG5P2ejQCh4d4sK9RL4371qou9drQjMhvnPmhWl5hnmqbEE0fXr9Xnw==",
+      "license": "ISC",
+      "dependencies": {
+        "robust-predicates": "^3.0.2"
+      }
+    },
     "node_modules/didyoumean": {
       "version": "1.2.2",
       "resolved": "https://registry.npmjs.org/didyoumean/-/didyoumean-1.2.2.tgz",
@@ -2737,6 +3417,18 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/iconv-lite": {
+      "version": "0.6.3",
+      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.6.3.tgz",
+      "integrity": "sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw==",
+      "license": "MIT",
+      "dependencies": {
+        "safer-buffer": ">= 2.1.2 < 3.0.0"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/ignore": {
       "version": "5.3.2",
       "resolved": "https://registry.npmjs.org/ignore/-/ignore-5.3.2.tgz",
@@ -2774,6 +3466,15 @@
         "node": ">=0.8.19"
       }
     },
+    "node_modules/internmap": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/internmap/-/internmap-2.0.3.tgz",
+      "integrity": "sha512-5Hh7Y1wQbvY5ooGgPbDaL5iYLAPzMTUrjMulskHLH6wnv/A+1q5rgEaiuqEjB+oxGXIVZs1FF+R/KPN3ZSQYYg==",
+      "license": "ISC",
+      "engines": {
+        "node": ">=12"
+      }
+    },
     "node_modules/is-binary-path": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/is-binary-path/-/is-binary-path-2.1.0.tgz",
@@ -3585,6 +4286,12 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/robust-predicates": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/robust-predicates/-/robust-predicates-3.0.2.tgz",
+      "integrity": "sha512-IXgzBWvWQwE6PrDI05OvmXUIruQTcoMDzRsOd5CDvHCVLcLHMTSYvOK5Cm46kWqlV3yAbuSpBZdJ5oP5OUoStg==",
+      "license": "Unlicense"
+    },
     "node_modules/rollup": {
       "version": "4.57.1",
       "resolved": "https://registry.npmjs.org/rollup/-/rollup-4.57.1.tgz",
@@ -3654,6 +4361,18 @@
         "queue-microtask": "^1.2.2"
       }
     },
+    "node_modules/rw": {
+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/rw/-/rw-1.3.3.tgz",
+      "integrity": "sha512-PdhdWy89SiZogBLaw42zdeqtRJ//zFd2PgQavcICDUgJT5oW10QCRKbJ6bg4r0/UY2M6BWd5tkxuGFRvCkgfHQ==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/safer-buffer": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
+      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
+      "license": "MIT"
+    },
     "node_modules/scheduler": {
       "version": "0.23.2",
       "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.23.2.tgz",

package.json

@@ -11,6 +11,8 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "@types/d3": "^7.4.3",
+    "d3": "^7.9.0",
     "framer-motion": "^11.15.0",
     "fuse.js": "^7.1.0",
     "lucide-react": "^0.468.0",

src/components/CareerConstellation.tsx

@@ -0,0 +1,127 @@
+import React, { useRef, useEffect, useState } from 'react'
+import { constellationNodes, constellationLinks } from '@/data/constellation'
+
+interface CareerConstellationProps {
+  onRoleClick: (id: string) => void
+  onSkillClick: (id: string) => void
+}
+
+const DESKTOP_HEIGHT = 400
+const TABLET_HEIGHT = 300
+const MOBILE_HEIGHT = 250
+
+function getHeight(width: number): number {
+  if (width < 768) return MOBILE_HEIGHT
+  if (width < 1024) return TABLET_HEIGHT
+  return DESKTOP_HEIGHT
+}
+
+const CareerConstellation: React.FC<CareerConstellationProps> = ({
+  onRoleClick,
+  onSkillClick,
+}) => {
+  const svgRef = useRef<SVGSVGElement>(null)
+  const containerRef = useRef<HTMLDivElement>(null)
+  const [dimensions, setDimensions] = useState({ width: 800, height: DESKTOP_HEIGHT })
+
+  // Store callbacks in refs so D3 event handlers (US-024/026) can access latest versions
+  const callbacksRef = useRef({ onRoleClick, onSkillClick })
+  callbacksRef.current = { onRoleClick, onSkillClick }
+
+  useEffect(() => {
+    const container = containerRef.current
+    if (!container) return
+
+    const updateDimensions = () => {
+      const width = container.clientWidth
+      const height = getHeight(width)
+      setDimensions({ width, height })
+    }
+
+    updateDimensions()
+
+    const observer = new ResizeObserver(updateDimensions)
+    observer.observe(container)
+
+    return () => observer.disconnect()
+  }, [])
+
+  useEffect(() => {
+    const svg = svgRef.current
+    if (!svg) return
+
+    const { width, height } = dimensions
+
+    // Clear previous content
+    while (svg.firstChild) {
+      svg.removeChild(svg.firstChild)
+    }
+
+    const ns = 'http://www.w3.org/2000/svg'
+
+    // Radial gradient background
+    const defs = document.createElementNS(ns, 'defs')
+    const gradient = document.createElementNS(ns, 'radialGradient')
+    gradient.setAttribute('id', 'constellation-bg')
+    gradient.setAttribute('cx', '50%')
+    gradient.setAttribute('cy', '50%')
+    gradient.setAttribute('r', '60%')
+
+    const stop1 = document.createElementNS(ns, 'stop')
+    stop1.setAttribute('offset', '0%')
+    stop1.setAttribute('stop-color', '#F0F5F4')
+    const stop2 = document.createElementNS(ns, 'stop')
+    stop2.setAttribute('offset', '100%')
+    stop2.setAttribute('stop-color', '#FFFFFF')
+    gradient.appendChild(stop1)
+    gradient.appendChild(stop2)
+    defs.appendChild(gradient)
+    svg.appendChild(defs)
+
+    // Background rect
+    const bgRect = document.createElementNS(ns, 'rect')
+    bgRect.setAttribute('width', String(width))
+    bgRect.setAttribute('height', String(height))
+    bgRect.setAttribute('fill', 'url(#constellation-bg)')
+    bgRect.setAttribute('rx', '6')
+    svg.appendChild(bgRect)
+
+    // Scaffold placeholder — D3 force simulation replaces this in US-024
+    const roleNodes = constellationNodes.filter(n => n.type === 'role')
+    const skillNodes = constellationNodes.filter(n => n.type === 'skill')
+
+    const text = document.createElementNS(ns, 'text')
+    text.setAttribute('x', String(width / 2))
+    text.setAttribute('y', String(height / 2))
+    text.setAttribute('text-anchor', 'middle')
+    text.setAttribute('dominant-baseline', 'middle')
+    text.setAttribute('fill', '#8DA8A5')
+    text.setAttribute('font-size', '12')
+    text.setAttribute('font-family', 'var(--font-geist-mono)')
+    text.textContent = `${roleNodes.length} roles · ${skillNodes.length} skills · ${constellationLinks.length} connections`
+    svg.appendChild(text)
+  }, [dimensions])
+
+  return (
+    <div
+      ref={containerRef}
+      style={{
+        width: '100%',
+        borderRadius: 'var(--radius-sm)',
+        overflow: 'hidden',
+      }}
+    >
+      <svg
+        ref={svgRef}
+        width={dimensions.width}
+        height={dimensions.height}
+        viewBox={`0 0 ${dimensions.width} ${dimensions.height}`}
+        role="img"
+        aria-label="Career constellation showing roles and skills across career timeline"
+        style={{ display: 'block' }}
+      />
+    </div>
+  )
+}
+
+export default CareerConstellation