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', subject: 'π Competition Report β ' + d + ' β No submissions found' } }];\n}\n\nconst safeNum = v => (v == null || isNaN(Number(v))) ? null : Number(v);\n\nfunction formatDuration(s) {\n if (s == null) return 'β';\n s = Math.round(Number(s));\n const d = Math.floor(s / 86400);\n const h = Math.floor((s % 86400) / 3600);\n const m = Math.floor((s % 3600) / 60);\n const sc = s % 60;\n if (d > 0) return `${d}d ${h}h ${m}m`;\n if (h > 0) return `${h}h ${m}m ${sc}s`;\n if (m > 0) return `${m}m ${sc}s`;\n return `${sc}s`;\n}\n\nfunction esc(str) {\n return String(str ?? '')\n .replace(/&/g, '&')\n .replace(//g, '>')\n .replace(/\"/g, '"');\n}\n\nfunction fmtDate(dt) {\n if (!dt) return 'β';\n const d = new Date(dt);\n if (isNaN(d.getTime())) return 'β';\n return d.toLocaleString('en-GB', {\n day: '2-digit', month: 'short', year: 'numeric',\n hour: '2-digit', minute: '2-digit',\n });\n}\n\nfunction median(nums) {\n const a = nums.filter(n => n != null).map(n => Number(n)).sort((x, y) => x - y);\n if (!a.length) return null;\n const mid = Math.floor(a.length / 2);\n return a.length % 2 ? a[mid] : Math.round((a[mid - 1] + a[mid]) / 2);\n}\n\nfunction avg(nums) {\n const a = nums.filter(n => n != null).map(n => Number(n));\n if (!a.length) return null;\n return Math.round(a.reduce((s, v) => s + v, 0) / a.length);\n}\n\n// βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\n// Normalize submissions\n// userOrgunit is already a resolved name from π Enrich with User Data\n// βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\nconst submissions = allItems.map(i => {\n const j = i.json || {};\n const seconds = safeNum(j.durationSeconds);\n return {\n submissionId: j.submissionId || j._id || null,\n userName: j.userName || 'Unknown',\n userEmail: j.userEmail || '',\n userOrgunit: j.userOrgunit || 'Unknown',\n submittedAt: j.submittedAt || null,\n seconds,\n durationFormatted: j.durationFormatted || formatDuration(seconds),\n };\n});\n\nconst totalSubs = submissions.length;\n\n// βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\n// Aggregate per participant\n// βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\nconst participantKey = s =>\n (s.userEmail ? s.userEmail.toLowerCase() : `${s.userName}::${s.userOrgunit}`).toLowerCase();\n\nconst pMap = new Map();\nfor (const s of submissions) {\n const key = participantKey(s);\n if (!pMap.has(key)) {\n pMap.set(key, {\n key,\n name: s.userName,\n email: s.userEmail,\n orgunit: s.userOrgunit,\n submissionsCount: 0,\n bestSeconds: null,\n bestSubmittedAt: null,\n _sum: 0,\n _count: 0,\n });\n }\n const p = pMap.get(key);\n p.submissionsCount++;\n if (s.seconds != null) {\n p._sum += s.seconds;\n p._count += 1;\n if (p.bestSeconds == null || s.seconds < p.bestSeconds) {\n p.bestSeconds = s.seconds;\n p.bestSubmittedAt = s.submittedAt;\n }\n }\n p.name = s.userName || p.name;\n p.orgunit = s.userOrgunit || p.orgunit;\n p.email = s.userEmail || p.email;\n}\n\nconst participants = Array.from(pMap.values()).map(p => ({\n ...p,\n avgSeconds: p._count ? Math.round(p._sum / p._count) : null,\n bestFormatted: formatDuration(p.bestSeconds),\n}));\n\nparticipants.sort((a, b) => {\n if (a.bestSeconds == null && b.bestSeconds == null) return 0;\n if (a.bestSeconds == null) return 1;\n if (b.bestSeconds == null) return -1;\n return a.bestSeconds - b.bestSeconds;\n});\n\nconst participantsCount = participants.length;\nconst fastest = participants[0] || null;\nconst slowest = participants[participants.length - 1] || null;\nconst bestTimes = participants.map(p => p.bestSeconds).filter(v => v != null);\nconst avgBestSeconds = avg(bestTimes);\nconst medianBestSeconds = median(bestTimes);\n\n// βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\n// Org unit aggregation\n// βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\nconst ouMap = new Map();\nfor (const p of participants) {\n if (p.bestSeconds == null) continue;\n const ou = p.orgunit || 'Unknown';\n if (!ouMap.has(ou)) ouMap.set(ou, { name: ou, total: 0, count: 0 });\n const d = ouMap.get(ou);\n d.total += p.bestSeconds;\n d.count += 1;\n}\n\nconst orgunits = Array.from(ouMap.values())\n .map(x => ({\n name: x.name,\n avgSeconds: x.count ? Math.round(x.total / x.count) : null,\n avgFormatted: formatDuration(x.count ? Math.round(x.total / x.count) : null),\n count: x.count,\n }))\n .sort((a, b) => (a.avgSeconds ?? 9e15) - (b.avgSeconds ?? 9e15))\n .slice(0, 15);\n\n// βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\n// Bar chart helpers\n// βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ\nfunction barRow({ left, right, pct, color, muted, emphasis }) {\n const leftTxt = esc(left || 'β');\n const rightTxt = esc(right || 'β');\n const labelColor = muted ? '#6b7280' : '#111827';\n const rightColor = emphasis ? '#4f46e5' : '#6b7280';\n const weight = emphasis ? '800' : '600';\n const bgFallback = color.includes('linear-gradient') ? 'rgba(99,102,241,0.85)' : color;\n return `\n\n
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