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JSON.parse(row.actual_json) : null,\n score: row.score,\n scored_at: row.scored_at,\n };\n}\n\nasync function refreshPublicCache(runoffYear: number): Promise {\n const live = await listPredictions(runoffYear, \"live\");\n const shadow = await listPredictions(runoffYear, \"shadow\");\n const runs = await recentRuns(5);\n const feed = {\n schema_version: 1,\n water_year: runoffYear,\n game_state: live.length ? \"live\" : \"shadow-testing\",\n model: MODEL_BUNDLE,\n updated_at: new Date().toISOString(),\n predictions: live.map(publicPrediction),\n shadow_summary: {\n locked: shadow.length,\n scored: shadow.filter((row) => row.score).length,\n },\n health: runs.map((run) => ({\n ran_at: run.ran_at,\n mode: run.mode,\n success: Boolean(run.success),\n message: run.message,\n })),\n };\n await cachePublicFeed(`scoreboard-${runoffYear}`, feed);\n await cachePublicFeed(\"scoreboard-current\", feed);\n}\n\nexport async function runAutomation(\n now = new Date(),\n): Promise> {\n await initDb();\n const mode = IS_LIVE ? \"live\" : \"shadow\";\n const runoffYear = waterYear(now);\n if (runoffYear < CONFIG.firstAutomatedWaterYear) {\n // September is a preseason health check. It deliberately creates no locks,\n // but proves the official sources, models, database, cron and public cache work.\n try {\n const current = await fetchBasinSnapshot(now);\n const message =\n `Preseason ${mode} check passed. Water year ${CONFIG.firstAutomatedWaterYear} becomes eligible on October 1.`;\n await recordRun(true, mode, message, current.sourceStatus);\n await refreshPublicCache(CONFIG.firstAutomatedWaterYear);\n return {\n ok: true,\n mode,\n preseason: true,\n water_year: CONFIG.firstAutomatedWaterYear,\n message,\n source_status: current.sourceStatus,\n };\n } catch (error) {\n const message = error instanceof Error ? error.message : String(error);\n await recordRun(false, mode, `Preseason check failed: ${message}`);\n throw error;\n }\n }\n const openedAt = mountainToUtc(runoffYear - 1, 10, 1, 0);\n await ensureSeason(runoffYear, MODEL_BUNDLE.source_model_version, openedAt);\n let current: BasinSnapshot;\n try {\n current = await fetchBasinSnapshot(now);\n } catch (error) {\n const message = error instanceof Error ? error.message : String(error);\n await recordRun(false, mode, message);\n throw error;\n }\n\n const actions: string[] = [];\n const lockSnapshots = new Map();\n for (const question of QUESTIONS) {\n let stored = await getPrediction(runoffYear, question.number, mode);\n if (!stored) {\n const issueAt = dueAt(question, runoffYear, current);\n if (issueAt && now >= issueAt) {\n const ageHours = (now.getTime() - issueAt.getTime()) / 3_600_000;\n if (ageHours > CONFIG.fixedLockGraceHours) {\n actions.push(\n `P${question.number} needs review: issue window was missed`,\n );\n } else {\n const cacheKey = issueAt.toISOString();\n let lockSnapshot = lockSnapshots.get(cacheKey);\n if (!lockSnapshot) {\n lockSnapshot = await fetchBasinSnapshot(issueAt);\n lockSnapshots.set(cacheKey, lockSnapshot);\n }\n const prediction = question.calculate(lockSnapshot);\n const inputs = inputRecord(lockSnapshot);\n const predictionJson = canonical(prediction);\n const inputsJson = canonical(inputs);\n const inserted = await lockPrediction({\n water_year: runoffYear,\n question_number: question.number,\n question_key: question.key,\n title: question.title,\n mode,\n issue_kind: question.issueKind,\n issue_due_at: issueAt.toISOString(),\n locked_at: now.toISOString(),\n input_cutoff_at: issueAt.toISOString(),\n model_version: MODEL_BUNDLE.source_model_version,\n model_hash: MODEL_BUNDLE.sha256,\n prediction_json: predictionJson,\n inputs_json: inputsJson,\n inputs_hash: await sha256(inputsJson),\n source_status_json: canonical(lockSnapshot.sourceStatus),\n status: \"locked\",\n actual_json: null,\n score: null,\n scored_at: null,\n });\n if (inserted) {\n await recordEvent(\n runoffYear,\n question.number,\n `${mode}_lock_created`,\n now,\n { issue_at: issueAt.toISOString(), prediction },\n );\n actions.push(`P${question.number} ${mode} lock created`);\n stored = await getPrediction(runoffYear, question.number, mode);\n }\n }\n }\n }\n if (stored && !stored.scored_at && question.final(current)) {\n const actual = question.actual(current);\n if (actual) {\n const prediction = JSON.parse(stored.prediction_json);\n const hit = question.score(prediction, 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type FlowPoint = { date: Date; value: number };\nexport type SnowPoint = { date: Date; value: number; median?: number | null };\nexport type Snotel = Record>;\n\nexport type BasinSnapshot = {\n capturedAt: Date;\n cutoffAt: Date;\n current: FlowPoint;\n instantaneous: FlowPoint[];\n dailyFlow: FlowPoint[];\n snotel: Snotel;\n features: Record;\n milestones: Milestones;\n sourceStatus: Record;\n};\n\nexport type Milestones = {\n runoffYear: number;\n laborDay: Date;\n first400: FlowPoint | null;\n peakDaily: FlowPoint | null;\n peakInstant: FlowPoint | null;\n peakFlowLikelyPassed: boolean;\n tubingForecastTrigger: FlowPoint | null;\n tubingOpening: Date | null;\n counts: { p300: number; p600: number; p800: number; tubing: number };\n strength: number | null;\n persistentSnow: SnowPoint | null;\n peakSwe: SnowPoint | null;\n peakSweLikelyPassed: boolean;\n};\n\nexport type PredictionValue = Record;\n\nexport type QuestionDefinition = {\n number: number;\n key: string;\n title: string;\n issueKind: \"fixed\" | \"event\";\n issueMonth?: number;\n issueDay?: number;\n trigger?: (snapshot: BasinSnapshot) => Date | null;\n calculate: (snapshot: BasinSnapshot) => PredictionValue;\n actual: (snapshot: BasinSnapshot) => PredictionValue | null;\n final: (snapshot: BasinSnapshot) => boolean;\n score: (prediction: PredictionValue, actual: PredictionValue) => boolean;\n};","label",[142],"281459fa-af16-4963-a3e5-4f24e81612e4","sources.ts","9fe9133e-ab9a-11f1-b085-1607ee4eb77e",23,["D",1788881612187],4,"import { CONFIG } from \"./config.ts\";\nimport {\n addDays,\n firstMondayOfSeptember,\n isoDay,\n mountainCalendarDate,\n waterYear,\n} from \"./dates.ts\";\nimport type { BasinSnapshot, FlowPoint, Milestones, Snotel } from \"./types.ts\";\n\nconst average = (values: unknown[]): number | null => {\n const valid = values.map(Number).filter(Number.isFinite);\n return valid.length\n ? valid.reduce((sum, value) => sum + value, 0) / valid.length\n : null;\n};\n\nasync function fetchJson(url: string, timeout = 20_000): Promise {\n const controller = new AbortController();\n const timer = setTimeout(() => controller.abort(), timeout);\n try {\n const response = await fetch(url, {\n signal: controller.signal,\n headers: { Accept: \"application/json\" },\n });\n if (!response.ok) {\n const parsed = new URL(url);\n throw new Error(\n `${parsed.hostname}${parsed.pathname} returned ${response.status}`,\n );\n }\n return await response.json();\n } finally {\n clearTimeout(timer);\n }\n}\n\nfunction parseUsgs(payload: any, cutoffAt: Date): FlowPoint[] {\n const series = payload?.value?.timeSeries?.[0]?.values?.[0]?.value || [];\n return series.map((item: any) => ({\n date: new Date(item.dateTime),\n value: Number(item.value),\n }))\n .filter((item: FlowPoint) =>\n !Number.isNaN(item.date.getTime()) && item.date <= cutoffAt &&\n Number.isFinite(item.value) && item.value >= 0\n )\n .sort((a: FlowPoint, b: FlowPoint) => a.date.getTime() - b.date.getTime());\n}\n\nfunction parseSnotel(payload: any, cutoffAt: Date): Snotel {\n const output: Snotel = {};\n for (const station of payload || []) {\n const stationId = String(station.stationTriplet);\n output[stationId] ||= {};\n for (const series of station.data || []) {\n const code = series.stationElement?.elementCode;\n if (!code) continue;\n output[stationId][code] = (series.values || []).map((item: any) => ({\n date: new Date(`${item.date}T12:00:00Z`),\n value: Number(item.value),\n median: item.median === null || item.median === undefined\n ? null\n : Number(item.median),\n })).filter((item: any) =>\n !Number.isNaN(item.date.getTime()) && item.date <= cutoffAt &&\n Number.isFinite(item.value)\n );\n }\n }\n return output;\n}\n\nfunction latestAtOrBefore(\n points: T[],\n date: Date,\n): T | null {\n const eligible = (points || []).filter((point) => point.date <= date);\n return eligible.length ? eligible[eligible.length - 1] : null;\n}\n\nfunction stationAverage(\n snotel: Snotel,\n element: string,\n date: Date,\n field: \"value\" | \"median\" = \"value\",\n): number | null {\n return average(\n Object.values(snotel).map((station) =>\n (latestAtOrBefore(station[element] || [], date) as any)?.[field]\n ),\n );\n}\n\nfunction waterYearDay(date: Date): number {\n const year = date.getUTCMonth() >= 9\n ? date.getUTCFullYear()\n : date.getUTCFullYear() - 1;\n return Math.round(\n (Date.UTC(date.getUTCFullYear(), date.getUTCMonth(), date.getUTCDate()) -\n Date.UTC(year, 9, 1)) / 86_400_000,\n );\n}\n\nfunction buildFeatures(\n flowDaily: FlowPoint[],\n currentFlow: number,\n snotel: Snotel,\n now: Date,\n): Record {\n const date7 = addDays(now, -7);\n const date30 = addDays(now, -30);\n const recent7 = flowDaily.filter((point) =>\n point.date >= date7 && point.date <= now\n ).map((point) => point.value);\n const recent30 = flowDaily.filter((point) =>\n point.date >= date30 && point.date <= now\n ).map((point) => point.value);\n const flow7Ago = latestAtOrBefore(flowDaily, date7)?.value ?? currentFlow;\n const flowMean7 = average(recent7) ?? currentFlow;\n const flowMean30 = average(recent30) ?? flowMean7;\n const swe = stationAverage(snotel, \"WTEQ\", now) ?? 0;\n const sweMedian = stationAverage(snotel, \"WTEQ\", now, \"median\") ?? 0;\n const swe7Ago = stationAverage(snotel, \"WTEQ\", date7) ?? swe;\n const sweRatio = sweMedian > 0.05\n ? Math.min(3, Math.max(0, swe / sweMedian))\n : swe <= 0.05\n ? 0\n : 3;\n const stationIds = Object.keys(snotel);\n const temperatures: number[] = [];\n for (const id of stationIds) {\n for (const point of snotel[id].TAVG || []) {\n if (point.date >= date7 && point.date <= now) {\n temperatures.push(point.value);\n }\n }\n }\n const temp7 = average(temperatures) ?? 32;\n const precipitationChange = (startDate: Date) =>\n average(stationIds.map((id) => {\n const current = latestAtOrBefore(snotel[id].PREC || [], now)?.value;\n const earlier = latestAtOrBefore(snotel[id].PREC || [], startDate)?.value;\n return Number.isFinite(current) && Number.isFinite(earlier)\n ? Math.max(0, Number(current) - Number(earlier))\n : null;\n })) ?? 0;\n const precip7 = precipitationChange(date7);\n const precip30 = precipitationChange(date30);\n const snowPresent = swe > 0.05 ? 1 : 0;\n const angle = 2 * Math.PI * waterYearDay(now) / 365.25;\n return {\n log_flow: Math.log1p(currentFlow),\n log_flow_mean_7d: Math.log1p(flowMean7),\n log_flow_mean_30d: Math.log1p(flowMean30),\n relative_flow_change_7d: (currentFlow - flow7Ago) /\n (Math.abs(flowMean7) + 30),\n swe_in: swe,\n swe_ratio: sweRatio,\n swe_change_7d: swe - swe7Ago,\n temperature_scaled: (temp7 - 32) / 20,\n prec_total_7d: precip7,\n prec_total_30d: precip30,\n snow_present: snowPresent,\n season_sin: Math.sin(angle),\n season_cos: Math.cos(angle),\n season_sin_2: Math.sin(2 * angle),\n season_cos_2: Math.cos(2 * angle),\n melt_pressure: swe * Math.max(temp7 - 32, 0) / 100,\n rain_without_snow: precip7 * (1 - snowPresent),\n current_flow: currentFlow,\n swe_median: sweMedian,\n temp_7d: temp7,\n precip_7d: precip7,\n };\n}\n\nasync function fetchInstantaneousPeak(\n dailyFlow: FlowPoint[],\n runoffYear: number,\n cutoffAt: Date,\n): Promise {\n const start = new Date(Date.UTC(runoffYear, 3, 1));\n const end = new Date(\n Math.min(cutoffAt.getTime(), Date.UTC(runoffYear, 6, 31, 23, 59)),\n );\n const candidate = dailyFlow.filter((item) =>\n item.date >= start && item.date <= end\n )\n .reduce(\n (best, item) => !best || item.value > best.value ? item : best,\n null,\n );\n if (!candidate) return null;\n const url =\n `https://waterservices.usgs.gov/nwis/iv/?format=json&sites=${CONFIG.usgsSite}&startDT=${\n isoDay(addDays(candidate.date, -1))\n }&endDT=${\n isoDay(addDays(candidate.date, 2))\n }¶meterCd=00060&siteStatus=all`;\n const values = parseUsgs(await fetchJson(url), cutoffAt);\n return values.reduce(\n (best, item) => !best || item.value > best.value ? item : best,\n null,\n );\n}\n\nfunction findTubingOpening(\n series: FlowPoint[],\n after: Date | null,\n): Date | null {\n if (!after) return null;\n const ordered = series.filter((item) => item.date > after).sort((a, b) =>\n a.date.getTime() - b.date.getTime()\n );\n for (let index = 0; index < ordered.length; index += 1) {\n const endPoint = ordered[index];\n const startTime = endPoint.date.getTime() - 24 * 3_600_000;\n const window = ordered.filter((item) =>\n item.date.getTime() >= startTime && item.date <= endPoint.date\n );\n if (window.length < 4) continue;\n if (\n window.at(-1)!.date.getTime() - window[0].date.getTime() < 23 * 3_600_000\n ) continue;\n if (window.every((item) => item.value >= 30 && item.value < 400)) {\n return endPoint.date;\n }\n }\n return null;\n}\n\nfunction deriveMilestones(\n dailyFlow: FlowPoint[],\n instantaneous: FlowPoint[],\n snotel: Snotel,\n current: FlowPoint,\n peakInstant: FlowPoint | null,\n): Milestones {\n const runoffYear = waterYear(current.date);\n const waterYearStart = new Date(Date.UTC(runoffYear - 1, 9, 1, 12));\n const springStart = new Date(Date.UTC(runoffYear, 2, 1, 12));\n const peakWindowStart = new Date(Date.UTC(runoffYear, 3, 1, 12));\n const peakWindowEnd = new Date(Date.UTC(runoffYear, 6, 31, 23, 59));\n const recreationStart = new Date(Date.UTC(runoffYear, 4, 1, 12));\n const laborDay = firstMondayOfSeptember(runoffYear);\n laborDay.setUTCHours(23, 59, 59, 999);\n const waterYearDaily = dailyFlow.filter((item) =>\n item.date >= waterYearStart && item.date <= current.date\n );\n const springDaily = waterYearDaily.filter((item) => item.date >= springStart);\n const first400 = springDaily.find((item) => item.value >= 400) || null;\n const peakDaily = springDaily.filter((item) =>\n item.date >= peakWindowStart && item.date <= peakWindowEnd\n )\n .reduce(\n (best, item) => !best || item.value > best.value ? item : best,\n null,\n );\n const daysSincePeak = peakDaily\n ? Math.floor(\n (current.date.getTime() - peakDaily.date.getTime()) / 86_400_000,\n )\n : 0;\n const dropFromPeak = peakDaily?.value\n ? 1 - current.value / peakDaily.value\n : 0;\n const peakFlowLikelyPassed = Boolean(\n peakDaily && daysSincePeak >= 6 && dropFromPeak >= 0.18,\n );\n let tubingForecastTrigger: FlowPoint | null = null;\n if (peakDaily) {\n const peakIndex = springDaily.findIndex((item) =>\n isoDay(item.date) === isoDay(peakDaily.date) &&\n item.value === peakDaily.value\n );\n for (\n let index = Math.max(2, peakIndex + 1);\n index < springDaily.length;\n index += 1\n ) {\n const item = springDaily[index];\n const fallingThreeDay = item.value < springDaily[index - 2].value;\n const eligible = peakDaily.value >= 800\n ? item.value < 800\n : peakFlowLikelyPassed;\n if (eligible && fallingThreeDay) {\n tubingForecastTrigger = item;\n break;\n }\n }\n }\n const dailyTubingFallback = peakDaily\n ? springDaily.find((item) =>\n item.date > peakDaily.date && item.value >= 30 && item.value < 400\n )?.date || null\n : null;\n const tubingOpening =\n findTubingOpening(instantaneous, peakDaily?.date || null) ||\n dailyTubingFallback;\n const seasonDaily = waterYearDaily.filter((item) =>\n item.date >= recreationStart && item.date <= laborDay &&\n item.date <= current.date\n );\n const counts = {\n p300: seasonDaily.filter((item) => item.value >= 300).length,\n p600: seasonDaily.filter((item) => item.value >= 600).length,\n p800: seasonDaily.filter((item) => item.value >= 800).length,\n tubing:\n seasonDaily.filter((item) => item.value >= 30 && item.value < 400).length,\n };\n const strengthDays = waterYearDaily.filter((item) =>\n item.date >= recreationStart &&\n item.date <= new Date(Date.UTC(runoffYear, 5, 30, 23, 59))\n );\n const strength = average(strengthDays.map((item) => item.value));\n const snowDates = [\n ...new Set(\n Object.values(snotel).flatMap((station) =>\n (station.WTEQ || []).map((item) => isoDay(item.date))\n ),\n ),\n ]\n .map((value) => new Date(`${value}T12:00:00Z`)).filter((date) =>\n date >= waterYearStart && date <= current.date\n ).sort((a, b) => a.getTime() - b.getTime());\n const snowSeries = snowDates.map((date) => ({\n date,\n value: stationAverage(snotel, \"WTEQ\", date),\n }))\n .filter((item): item is { date: Date; value: number } =>\n Number.isFinite(item.value)\n );\n let persistentSnow = null;\n for (let index = 0; index <= snowSeries.length - 7; index += 1) {\n const window = snowSeries.slice(index, index + 7);\n if (window[0].value >= 1 && window.every((item) => item.value >= 0.5)) {\n persistentSnow = window[0];\n break;\n }\n }\n const peakSwe = snowSeries.reduce<{ date: Date; value: number } | null>(\n (best, item) => !best || item.value > best.value ? item : best,\n null,\n );\n const daysSincePeakSwe = peakSwe\n ? Math.floor((current.date.getTime() - peakSwe.date.getTime()) / 86_400_000)\n : 0;\n const currentSwe = snowSeries.at(-1)?.value || 0;\n const peakSweLikelyPassed = Boolean(\n peakSwe && peakSwe.value >= 1 && daysSincePeakSwe >= 14 &&\n currentSwe <= peakSwe.value * 0.7,\n );\n return {\n runoffYear,\n laborDay,\n first400,\n peakDaily,\n peakInstant,\n peakFlowLikelyPassed,\n tubingForecastTrigger,\n tubingOpening,\n counts,\n strength,\n persistentSnow,\n peakSwe,\n peakSweLikelyPassed,\n };\n}\n\nexport async function fetchBasinSnapshot(\n cutoffAt = new Date(),\n): Promise {\n const runoffYear = waterYear(cutoffAt);\n // Models use 7- and 30-day history. Starting 45 days before the water year\n // also prevents the October 1 lock from running with an empty daily series.\n const waterYearStart = new Date(Date.UTC(runoffYear - 1, 9, 1, 12));\n const start = isoDay(addDays(waterYearStart, -45));\n const end = isoDay(cutoffAt);\n const dailyUrl =\n `https://waterservices.usgs.gov/nwis/dv/?format=json&sites=${CONFIG.usgsSite}&startDT=${start}&endDT=${end}¶meterCd=00060&statCd=00003&siteStatus=all`;\n const instantUrl =\n `https://waterservices.usgs.gov/nwis/iv/?format=json&sites=${CONFIG.usgsSite}&period=P60D¶meterCd=00060&siteStatus=all`;\n const stationParam = encodeURIComponent(CONFIG.snotelStations.join(\",\"));\n const snotelUrl =\n `https://wcc.sc.egov.usda.gov/awdbRestApi/services/v1/data?stationTriplets=${stationParam}&elements=WTEQ%2CSNWD%2CPREC%2CTAVG&duration=DAILY&beginDate=${start}&endDate=${end}&periodRef=END¢ralTendencyType=MEDIAN&returnFlags=false&returnOriginalValues=false&returnSuspectData=false`;\n const [dailyPayload, instantPayload, snowPayload] = await Promise.all([\n fetchJson(dailyUrl),\n fetchJson(instantUrl),\n fetchJson(snotelUrl),\n ]);\n const dailyFlow = parseUsgs(dailyPayload, cutoffAt);\n const instantaneous = parseUsgs(instantPayload, cutoffAt);\n if (!dailyFlow.length || !instantaneous.length) {\n throw new Error(\"The Pagosa USGS gauge did not return enough data\");\n }\n const snotel = parseSnotel(snowPayload, cutoffAt);\n if (!Object.keys(snotel).length) {\n throw new Error(\"The headwater SNOTEL stations did not return enough data\");\n }\n const latestSnotelAt = Object.values(snotel)\n .flatMap((station) => Object.values(station).flat())\n .reduce(\n (latest, point) => !latest || point.date > latest ? point.date : latest,\n null,\n );\n const current = instantaneous.at(-1)!;\n const features = buildFeatures(\n dailyFlow,\n current.value,\n snotel,\n current.date,\n );\n const peakInstant = await fetchInstantaneousPeak(\n dailyFlow,\n runoffYear,\n cutoffAt,\n ).catch(() => null);\n const milestones = deriveMilestones(\n dailyFlow,\n instantaneous,\n snotel,\n current,\n peakInstant,\n );\n return {\n capturedAt: new Date(),\n cutoffAt,\n current,\n instantaneous,\n dailyFlow,\n snotel,\n features,\n milestones,\n sourceStatus: {\n usgs_site: CONFIG.usgsSite,\n usgs_latest_at: current.date.toISOString(),\n usgs_daily_points: dailyFlow.length,\n usgs_instant_points: instantaneous.length,\n snotel_stations: Object.keys(snotel),\n snotel_latest_day: latestSnotelAt ? isoDay(latestSnotelAt) : null,\n },\n };\n}",[153],"42bbbd52-b25b-4334-8bbe-30a8c969db35","questions.ts","9c517f2c-ab9a-11f1-94dd-1607ee4eb77e",14,["D",1788881598789],"import { MODEL_BUNDLE } from \"./models.ts\";\nimport {\n addDays,\n daysBetween,\n firstMondayOfSeptember,\n mountainCalendarDate,\n mountainToUtc,\n} from \"./dates.ts\";\nimport {\n clamp,\n runRightNowModel,\n tubingOpeningForecast,\n} from \"./model-runtime.ts\";\nimport type {\n BasinSnapshot,\n PredictionValue,\n QuestionDefinition,\n} from \"./types.ts\";\n\nfunction context(snapshot: BasinSnapshot): Record {\n const m = snapshot.milestones;\n const today = mountainCalendarDate(snapshot.cutoffAt);\n const daysLeft = Math.max(\n 0,\n Math.ceil((m.laborDay.getTime() - today.getTime()) / 86_400_000),\n );\n return {\n ...snapshot.features,\n count300: m.counts.p300,\n count600: m.counts.p600,\n count800: m.counts.p800,\n countTubing: m.counts.tubing,\n daysLeft,\n };\n}\n\nfunction requiredModel(name: string, snapshot: BasinSnapshot): number {\n const value = runRightNowModel(name, context(snapshot));\n if (!Number.isFinite(value)) {\n throw new Error(`Model ${name} could not produce a prediction`);\n }\n return Number(value);\n}\n\nfunction predictionDate(\n snapshot: BasinSnapshot,\n model: string,\n maximumDays: number,\n): Date {\n const days = Math.round(\n clamp(requiredModel(model, snapshot), 0, maximumDays),\n );\n return addDays(mountainCalendarDate(snapshot.cutoffAt), days);\n}\n\nfunction countRemainingTubingDays(snapshot: BasinSnapshot): number | null {\n const opening = snapshot.milestones.tubingOpening;\n if (!opening) return null;\n const start = addDays(mountainCalendarDate(opening), 1);\n return snapshot.dailyFlow.filter((item) =>\n item.date >= start && item.date <= snapshot.milestones.laborDay &&\n item.value >= 30 && item.value < 400\n ).length;\n}\n\nconst dateActual = (date: Date | null, key = \"date\"): PredictionValue | null =>\n date ? { [key]: date.toISOString() } : null;\nconst dateHit = (\n prediction: PredictionValue,\n actual: PredictionValue,\n tolerance: number,\n key = \"date\",\n) =>\n Math.abs(\n daysBetween(\n new Date(String(prediction[key])),\n new Date(String(actual[key])),\n ),\n ) <= tolerance;\nconst numberHit = (\n prediction: PredictionValue,\n actual: PredictionValue,\n tolerance: (actual: number) => number,\n key = \"value\",\n) =>\n Math.abs(Number(prediction[key]) - Number(actual[key])) <=\n tolerance(Number(actual[key]));\n\nexport const QUESTIONS: QuestionDefinition[] = [\n {\n number: 1,\n key: \"persistent-snow\",\n title: \"First persistent headwater snowpack\",\n issueKind: \"fixed\",\n issueMonth: 10,\n issueDay: 1,\n calculate: (s) => ({\n date: predictionDate(s, \"persistent\", 100).toISOString(),\n }),\n actual: (s) => dateActual(s.milestones.persistentSnow?.date || null),\n final: (s) => Boolean(s.milestones.persistentSnow),\n score: (p, a) => dateHit(p, a, 14),\n },\n {\n number: 2,\n key: \"peak-swe\",\n title: \"Peak headwater snowpack\",\n issueKind: \"fixed\",\n issueMonth: 2,\n issueDay: 1,\n calculate: (s) => ({\n value:\n Math.round(\n Math.max(\n s.milestones.peakSwe?.value || 0,\n requiredModel(\"peak_swe\", s),\n ) * 10,\n ) / 10,\n unit: \"in\",\n }),\n actual: (s) =>\n s.milestones.peakSwe\n ? {\n value: s.milestones.peakSwe.value,\n date: s.milestones.peakSwe.date.toISOString(),\n unit: \"in\",\n }\n : null,\n final: (s) => s.milestones.peakSweLikelyPassed,\n score: (p, a) => numberHit(p, a, (value) => Math.max(2, value * 0.2)),\n },\n {\n number: 3,\n key: \"first-400\",\n title: \"First 400+ CFS day\",\n issueKind: \"fixed\",\n issueMonth: 3,\n issueDay: 1,\n calculate: (s) => ({\n date: predictionDate(s, \"first400\", 80).toISOString(),\n }),\n actual: (s) => dateActual(s.milestones.first400?.date || null),\n final: (s) => Boolean(s.milestones.first400),\n score: (p, a) => dateHit(p, a, 10),\n },\n {\n number: 4,\n key: \"season-strength\",\n title: \"May–June rafting-season strength\",\n issueKind: \"fixed\",\n issueMonth: 4,\n issueDay: 1,\n calculate: (s) => ({\n value: Math.max(0, Math.round(requiredModel(\"river_strength\", s))),\n unit: \"cfs_average\",\n }),\n actual: (s) =>\n Number.isFinite(s.milestones.strength)\n ? { value: s.milestones.strength, unit: \"cfs_average\" }\n : null,\n final: (s) => s.cutoffAt > mountainToUtc(s.milestones.runoffYear, 7, 1, 0),\n score: (p, a) => numberHit(p, a, (value) => Math.max(100, value * 0.3)),\n },\n {\n number: 5,\n key: \"spring-peak\",\n title: \"Spring peak flow\",\n issueKind: \"fixed\",\n issueMonth: 4,\n issueDay: 15,\n calculate: (s) => {\n const date = predictionDate(s, \"spring_peak_days\", 70);\n const minutes =\n Math.round(Number(MODEL_BUNDLE.seasonal_peak_time_minutes_p50) / 15) *\n 15;\n const minuteOfDay = ((minutes % 1440) + 1440) % 1440;\n const timestamp = mountainToUtc(\n date.getUTCFullYear(),\n date.getUTCMonth() + 1,\n date.getUTCDate(),\n Math.floor(minuteOfDay / 60),\n minuteOfDay % 60,\n );\n const flow = Math.round(\n Math.max(\n s.current.value,\n s.milestones.peakDaily?.value || 0,\n requiredModel(\"spring_peak_flow\", s),\n ),\n );\n return { timestamp: timestamp.toISOString(), value: flow, unit: \"cfs\" };\n },\n actual: (s) =>\n s.milestones.peakInstant\n ? {\n timestamp: s.milestones.peakInstant.date.toISOString(),\n value: s.milestones.peakInstant.value,\n unit: \"cfs\",\n }\n : null,\n final: (s) => s.cutoffAt > mountainToUtc(s.milestones.runoffYear, 8, 1, 0),\n score: (p, a) => {\n const hours =\n Math.abs(\n new Date(String(p.timestamp)).getTime() -\n new Date(String(a.timestamp)).getTime(),\n ) / 3_600_000;\n return hours <= 168 &&\n numberHit(p, a, (value) => Math.max(250, value * 0.3));\n },\n },\n {\n number: 6,\n key: \"rafting-days\",\n title: \"Rafting-flow days\",\n issueKind: \"fixed\",\n issueMonth: 5,\n issueDay: 1,\n calculate: (s) => ({\n p300: Math.round(\n clamp(\n Math.max(s.milestones.counts.p300, requiredModel(\"days_ge_300\", s)),\n s.milestones.counts.p300,\n 140,\n ),\n ),\n p600: Math.round(\n clamp(\n Math.max(s.milestones.counts.p600, requiredModel(\"days_ge_600\", s)),\n s.milestones.counts.p600,\n 140,\n ),\n ),\n p800: Math.round(\n clamp(\n Math.max(s.milestones.counts.p800, requiredModel(\"days_ge_800\", s)),\n s.milestones.counts.p800,\n 140,\n ),\n ),\n }),\n actual: (s) => ({ ...s.milestones.counts }),\n final: (s) =>\n s.cutoffAt > addDays(firstMondayOfSeptember(s.milestones.runoffYear), 1),\n score: (p, a) =>\n [\"p300\", \"p600\", \"p800\"].filter((key) =>\n Math.abs(Number(p[key]) - Number(a[key])) <= 10\n ).length >= 2,\n },\n {\n number: 7,\n key: \"tubing-opening\",\n title: \"Tubing Season Opening Day\",\n issueKind: \"event\",\n trigger: (s) => s.milestones.tubingForecastTrigger?.date || null,\n calculate: (s) => ({\n date: tubingOpeningForecast(s.features, s.cutoffAt).toISOString(),\n }),\n actual: (s) => dateActual(s.milestones.tubingOpening),\n final: (s) => Boolean(s.milestones.tubingOpening),\n score: (p, a) => dateHit(p, a, 7),\n },\n {\n number: 8,\n key: \"remaining-tubing-days\",\n title: \"Remaining tubing-range days\",\n issueKind: \"event\",\n trigger: (s) => s.milestones.tubingOpening,\n calculate: (s) => {\n const observed = countRemainingTubingDays(s) || 0;\n const preOpeningDays = Math.max(0, s.milestones.counts.tubing - observed);\n const allSeasonEstimate = Math.max(\n observed,\n requiredModel(\"tubing_days\", s) - preOpeningDays,\n );\n return {\n value: Math.round(\n clamp(allSeasonEstimate, observed, observed + context(s).daysLeft),\n ),\n unit: \"days\",\n };\n },\n actual: (s) => {\n const value = countRemainingTubingDays(s);\n return value === null ? null : { value, unit: \"days\" };\n },\n final: (s) =>\n s.cutoffAt > addDays(firstMondayOfSeptember(s.milestones.runoffYear), 1),\n score: (p, a) => Math.abs(Number(p.value) - Number(a.value)) <= 10,\n },\n];",[161],"2431487e-615c-41ee-a97e-24d4a7a2d0a6","new-file-6591.ts","a3869a0c-ab9a-11f1-b55c-1607ee4eb77e",21,["D",1788881608186],[168],"f35cb4e9-5832-464b-8c44-7e815648492e",["D",1788881614031],1,[28],"451f7cc2-b793-47aa-82bb-dbe59e21e27d","model-runtime.ts","9e38bf58-ab9a-11f1-9797-1607ee4eb77e",17,["D",1788881601600],"import { RIGHT_NOW_MODELS, TUBING_OPEN_LIVE_MODEL } from \"./models.ts\";\nimport { addDays, mountainCalendarDate } from \"./dates.ts\";\n\nexport function clamp(value: number, min: number, max: number): number {\n return Math.min(max, Math.max(min, value));\n}\n\nfunction runTree(tree: any, values: number[]): number {\n let node = 0;\n while (Number(tree.feature[node]) >= 0) {\n const featureIndex = Number(tree.feature[node]);\n node = values[featureIndex] <= Number(tree.threshold[node])\n ? Number(tree.left[node])\n : Number(tree.right[node]);\n }\n return Number(tree.value[node]);\n}\n\nexport function runRightNowModel(\n name: string,\n featureMap: Record,\n): number | null {\n const model: any = (RIGHT_NOW_MODELS as any)[name];\n if (!model) return null;\n const values = model.features.map((feature: string) =>\n Number(featureMap[feature])\n );\n if (values.some((value: number) => !Number.isFinite(value))) return null;\n if (model.type === \"gradient_boost\") {\n return Number(model.init) +\n model.trees.reduce(\n (sum: number, tree: any) =>\n sum + Number(model.learningRate) * runTree(tree, values),\n 0,\n );\n }\n let estimate = Number(model.intercept) || 0;\n for (let index = 0; index < model.features.length; index += 1) {\n const scale = Math.abs(Number(model.scale[index])) > 1e-9\n ? Number(model.scale[index])\n : 1;\n estimate += ((values[index] - Number(model.mean[index])) / scale) *\n Number(model.coef[index]);\n }\n return estimate;\n}\n\nexport function tubingOpeningForecast(\n features: Record,\n fromDate: Date,\n): Date {\n const model: any = TUBING_OPEN_LIVE_MODEL;\n let estimate = Number(model.intercept) || 0;\n for (let index = 0; index < model.features.length; index += 1) {\n const raw = Number(features[model.features[index]]);\n if (!Number.isFinite(raw)) {\n throw new Error(\n `Missing tubing-opening feature ${model.features[index]}`,\n );\n }\n const scale = Math.abs(Number(model.scale[index])) > 1e-9\n ? Number(model.scale[index])\n : 1;\n estimate += ((raw - Number(model.mean[index])) / scale) *\n Number(model.coef[index]);\n }\n return addDays(\n mountainCalendarDate(fromDate),\n Math.round(clamp(estimate, 0, 70)),\n );\n}",[178],"a22d96e8-0685-4b83-beee-f2d72e16d9bc","main.ts",["D",1788718987538],"http","/**\n * Black Hat Hydrology Lab — automated San Juan River seasonal prediction tracker.\n *\n * What this does, automatically, year after year:\n * 1. On October 1 it starts a new season (\"2025-26\", \"2026-27\", ...).\n * 2. Each seasonal prediction is locked on its fixed issue date — once locked\n * it is immutable (inputs + model version preserved forever).\n * 3. When the season provides the answer, a prediction can be scored; the\n * record keeps both the forecast and the actual result.\n * 4. The previous (now-finished) season stays available as the \"film room.\"\n * 5. The public page serves all records read-only.\n */\nimport { Database } from \"https://esm.town/v/std/sqlite/main.ts\";\n\nexport const db = new Database(\"/blackhat.sqlite\");\ninit(db);\n\n// ---- Storage ---------------------------------------------------------------\n\nfunction init(db: Database) {\n db.exec(`\n CREATE TABLE IF NOT EXISTS predictions (\n id INTEGER PRIMARY KEY AUTOINCREMENT,\n season TEXT NOT NULL,\n issue_date TEXT NOT NULL,\n locked INTEGER NOT NULL DEFAULT 0,\n forecast TEXT NOT NULL, -- JSON: { inputs, model_version, headline }\n result TEXT, -- JSON: { actual, observation }\n score REAL,\n created_at TEXT NOT NULL,\n scored_at TEXT\n );\n CREATE INDEX IF NOT EXISTS idx_season ON predictions (season);\n `);\n}\n\n/** Season slug from a date: Oct 2025 -> \"2025-26\" (seasons start Oct 1, UTC). */\nfunction seasonSlug(date = new Date()): string {\n const y = date.getUTCFullYear();\n return date.getUTCMonth() >= 9 ? `${y}-${(y + 1) % 100}` : `${y - 1}-${y % 100}`;\n}\n\n/** If today is Oct 1 or later in a new season, log a fresh season marker. */\nfunction openCurrentSeason(now = new Date()): string {\n const season = seasonSlug(now);\n // Ensure a season row exists so the public page always shows the current one.\n const row = db\n .query(\"SELECT season FROM seasons WHERE season = ?\", [season])\n .next();\n if (!row) db.exec(\"INSERT OR IGNORE INTO seasons (season, opened_at) VALUES (?, ?)\", [season, now.toISOString()]);\n return season;\n}\n\n/** Lock a prediction on its fixed issue date. Refuses to overwrite once locked. */\nexport function lockPrediction(p: {\n issueDate: string; // ISO date (UTC)\n headline: string;\n inputs: object;\n modelVersion: string;\n}): { ok: boolean; id?: number; error?: string } {\n // Immutability: look up by season + issue date, never overwrite a locked one.\n const existing = db\n .query(\"SELECT id, locked FROM predictions WHERE season = ? AND issue_date = ?\", [\n seasonSlug(new Date(p.issueDate)),\n p.issueDate,\n ])\n .next();\n if (existing && existing[1] === 1) {\n return { ok: false, id: Number(existing[0]), error: \"Prediction already locked — immutable.\" };\n }\n const forecast = JSON.stringify({\n headline: p.headline,\n inputs: p.inputs,\n model_version: p.modelVersion,\n });\n if (existing) {\n db.exec(\"UPDATE predictions SET forecast = ?, locked = 1 WHERE id = ?\", [forecast, Number(existing[0])]);\n return { ok: true, id: Number(existing[0]) };\n }\n const id = db.exec(\n \"INSERT INTO predictions (season, issue_date, locked, forecast, created_at) VALUES (?, ?, 1, ?, ?)\",\n [seasonSlug(new Date(p.issueDate)), p.issueDate, forecast, new Date(p.issueDate).toISOString()],\n );\n return { ok: true, id: Number(id) };\n}\n\n/** Score a locked prediction once the season provides the answer. */\nexport function scorePrediction(\n issueDate: string,\n actual: object,\n score: number,\n): { ok: boolean; id?: number; error?: string } {\n const existing = db\n .query(\"SELECT id, locked FROM predictions WHERE season = ? AND issue_date = ?\", [\n seasonSlug(new Date(issueDate)),\n issueDate,\n ])\n .next();\n if (!existing) return { ok: false, error: \"Prediction not found.\" };\n if (existing[1] !== 1) return { ok: false, error: \"Prediction is not locked.\" };\n const id = Number(existing[0]);\n db.exec(\"UPDATE predictions SET result = ?, score = ?, scored_at = ? WHERE id = ?\", [\n JSON.stringify(actual),\n score,\n new Date().toISOString(),\n id,\n ]);\n return { ok: true, id };\n}\n\nfunction predictions(): Array> {\n return [...db.query(\"SELECT * FROM predictions ORDER BY issue_date\")].map((r) => ({\n id: r[0], season: r[1], issue_date: r[2], locked: r[3],\n forecast: JSON.parse(r[4]), result: r[5] ? JSON.parse(r[5]) : null,\n score: r[6], created_at: r[7], scored_at: r[8],\n }));\n}\n\n// ---- HTTP ------------------------------------------------------------------\n\nfunction html(records, current, body: string) {\n return `\n\nBlack Hat Hydrology Lab\n\n

🖤 Black Hat Hydrology Lab

San Juan River forecast experiment · Current season ${current} · ser

\n${body}\n

Raw JSON

\n`;\n}\n\nexport default async function handler(req: Request): Promise {\n const url = new URL(req.url);\n const current = openCurrentSeason();\n\n if (url.pathname === \"/data\") {\n return new Response(JSON.stringify(predictions(), null, 2), {\n headers: { \"content-type\": \"application/json\" },\n });\n }\n\n // Admin actions — protected by a shared secret when BH_LAB_SECRET is set.\n if (req.method === \"POST\" && url.pathname === \"/api/predict\") {\n if (!auth(req)) return new Response(\"Unauthorized\", { status: 401 });\n const body = await req.json();\n const out = lockPrediction(body);\n return new Response(JSON.stringify(out), { status: out.ok ? 201 : 400,\n headers: { \"content-type\": \"application/json\" } });\n }\n if (req.method === \"POST\" && url.pathname === \"/api/score\") {\n if (!auth(req)) return new Response(\"Unauthorized\", { status: 401 });\n const body = await req.json();\n const out = scorePrediction(body.issue_date, body.actual, body.score);\n return new Response(JSON.stringify(out), { status: out.ok ? 200 : 400,\n headers: { \"content-type\": \"application/json\" } });\n }\n\n const records = predictions();\n const bySeason = new Map();\n for (const r of records) {\n if (!bySeason.has(r.season as string)) bySeason.set(r.season as string, []);\n bySeason.get(r.season as string)!.push(r);\n }\n\n let body = `

Film room — previous season

${seasonTable(bySeason.get(current) ?? [], current)}

`;\n let closed = new Response(\"\", { status: 204 });\n for (const [season, recs] of bySeason) {\n if (season === current) continue;\n closed = null;\n body += `

${season} archived

${seasonTable(recs, season)}

`;\n }\n return new Response(html(records, current, body), {\n headers: { \"content-type\": \"text/html; charset=utf-8\" },\n });\n}\n\nfunction seasonTable(recs, season) {\n if (!recs.length) return `

No predictions locked yet for ${season}.

`;\n return `` +\n recs.map((r) => {\n const s = r.score == null ? \"—\" : `= 0 ? \"win\" : \"loss\"}\">${r.score}`;\n return ``;\n }).join(\"\") + `

Issue	Forecast	Model	Score
${r.issue_date}	${r.forecast.headline}	${r.forecast.model_version}	${s}

`;\n}\n\nfunction auth(req: Request): boolean {\n const secret = Deno.env.get(\"BH_LAB_SECRET\");\n if (!secret) return true; // no secret configured → allow while building\n return req.headers.get(\"x-lab-secret\") === secret;\n}\n",[185],"897ff7c2-3743-4e65-9376-bbd7003740f8","lab.ts","30c7c606-aa20-11f1-9651-1607ee4eb77e",["D",1788719065897],"/**\n * Black Hat Hydrology Lab — automated San Juan River seasonal prediction tracker.\n *\n * Automatic lifecycle, year after year:\n * 1. A new season opens on October 1 (\"2025-26\", \"2026-27\", ...).\n * 2. Each prediction is locked on a fixed issue date — once locked it is\n * immutable (inputs + model version preserved, cannot be overwritten).\n * 3. When the season provides the answer, the result is scored and stored\n * alongside the original forecast.\n * 4. The previous (now-finished) season remains available as the \"film room.\"\n * 5. The public page serves all records read-only.\n */\nimport { Database } from \"https://esm.town/v/std/sqlite/main.ts\";\n\n// Project-scoped persistent SQLite store.\nexport const db = new Database(\"/blackhat.sqlite\");\ninit();\n\nfunction init() {\n db.exec(`\n CREATE TABLE IF NOT EXISTS predictions (\n id INTEGER PRIMARY KEY AUTOINCREMENT,\n season TEXT NOT NULL,\n issue_date TEXT NOT NULL,\n locked INTEGER NOT NULL DEFAULT 0,\n forecast TEXT NOT NULL, -- JSON: { headline, inputs, model_version }\n result TEXT, -- JSON: actual observation\n score REAL,\n created_at TEXT NOT NULL,\n scored_at TEXT\n );\n CREATE INDEX IF NOT EXISTS idx_season ON predictions (season);\n `);\n}\n\n// ---- Helpers ---------------------------------------------------------------\n\n/** Season slug from a date: Oct 2025 -> \"2025-26\" (seasons start Oct 1, UTC). */\nfunction seasonSlug(date = new Date()): string {\n const y = date.getUTCFullYear();\n return date.getUTCMonth() >= 9 ? `${y}-${(y + 1) % 100}` : `${y - 1}-${y % 100}`;\n}\n\n/** Season currently in effect today. Oct 1 rolls this over automatically. */\nfunction currentSeason(): string {\n return seasonSlug(new Date());\n}\n\n/** Lock a prediction on its fixed issue date. Refuses to overwrite once locked. */\nexport function lockPrediction(p: {\n issueDate: string; // ISO date (UTC) the prediction is issued on\n headline: string;\n inputs: object;\n modelVersion: string;\n}): { ok: boolean; id?: number; error?: string } {\n const season = seasonSlug(new Date(p.issueDate));\n const existing = db\n .query(\"SELECT id, locked FROM predictions WHERE season = ? AND issue_date = ?\", [\n season,\n p.issueDate,\n ])\n .next();\n if (existing && existing[1] === 1) {\n return { ok: false, id: Number(existing[0]), error: \"Prediction already locked — immutable.\" };\n }\n const forecast = JSON.stringify({\n headline: p.headline,\n inputs: p.inputs,\n model_version: p.modelVersion,\n });\n if (existing) {\n db.exec(\"UPDATE predictions SET forecast = ?, locked = 1 WHERE id = ?\", [\n forecast,\n Number(existing[0]),\n ]);\n return { ok: true, id: Number(existing[0]) };\n }\n const id = db.exec(\n \"INSERT INTO predictions (season, issue_date, locked, forecast, created_at) VALUES (?, ?, 1, ?, ?)\",\n [season, p.issueDate, forecast, new Date(p.issueDate).toISOString()],\n );\n return { ok: true, id: Number(id) };\n}\n\n/** Score a locked prediction once the season provides the answer. */\nexport function scorePrediction(\n issueDate: string,\n actual: object,\n score: number,\n): { ok: boolean; id?: number; error?: string } {\n const existing = db\n .query(\"SELECT id, locked FROM predictions WHERE season = ? AND issue_date = ?\", [\n seasonSlug(new Date(issueDate)),\n issueDate,\n ])\n .next();\n if (!existing) return { ok: false, error: \"Prediction not found.\" };\n if (existing[1] !== 1) return { ok: false, error: \"Prediction is not locked.\" };\n const id = Number(existing[0]);\n db.exec(\"UPDATE predictions SET result = ?, score = ?, scored_at = ? WHERE id = ?\", [\n JSON.stringify(actual),\n score,\n new Date().toISOString(),\n id,\n ]);\n return { ok: true, id };\n}\n\n/** All records (newest last) with JSON fields parsed. */\nfunction allPredictions() {\n return [...db.query(\"SELECT * FROM predictions ORDER BY issue_date\")].map((r) => ({\n id: r[0],\n season: r[1],\n issue_date: r[2],\n locked: r[3],\n forecast: JSON.parse(r[4] as string),\n result: r[5] ? JSON.parse(r[5] as string) : null,\n score: r[6],\n created_at: r[7],\n scored_at: r[8],\n }));\n}\n\n// ---- HTTP ------------------------------------------------------------------\n\nfunction layout(body: string): string {\n return `\n\nBlack Hat Hydrology Lab\n${body}`;\n}\n\nexport default async function handler(req: Request): Promise {\n const url = new URL(req.url);\n\n // ---- Admin POST endpoints (write-only; guarded by secret when set) -------\n if (req.method === \"POST\" && url.pathname === \"/api/predict\") {\n if (!authorized(req)) return new Response(\"Unauthorized\", { status: 401 });\n const out = lockPrediction(await req.json());\n return jsonResponse(out, out.ok ? 201 : 400);\n }\n if (req.method === \"POST\" && url.pathname === \"/api/score\") {\n if (!authorized(req)) return new Response(\"Unauthorized\", { status: 401 });\n const { issue_date, actual, score } = await req.json();\n const out = scorePrediction(issue_date, actual, score);\n return jsonResponse(out, out.ok ? 200 : 400);\n }\n\n // ---- Public read-only JSON feed ----\n if (url.pathname === \"/data\") {\n return jsonResponse({ current_season: currentSeason(), records: allPredictions() });\n }\n\n // ---- Public read-only page ----\n const current = currentSeason();\n const bySeason = new Map>>();\n for (const r of allPredictions()) {\n const list = bySeason.get(r.season as string) ?? [];\n list.push(r);\n bySeason.set(r.season as string, list);\n }\n\n let body = `

🖤 Black Hat Hydrology Lab

San Juan River forecast experiment · Current season ${current} ·\nraw JSON

`;\n\n // Film room first: all completed seasons, most recent first.\n const completed = [...bySeason.keys()].filter((s) => s !== current).sort().reverse();\n for (const season of completed) {\n body +=\n `

Film room — ${season}

${seasonTable(bySeason.get(season)!, season)}

`;\n }\n // Current / active season last.\n body +=\n `

Current season — ${current}

${seasonTable(bySeason.get(current) ?? [], current)}

`;\n\n return new Response(layout(body), {\n headers: { \"content-type\": \"text/html; charset=utf-8\" },\n });\n}\n\nfunction seasonTable(recs: Array>, season: string): string {\n if (!recs.length) return `

No predictions locked yet for ${season}.

`;\n const rows = recs\n .map((r) => {\n const f = r.forecast as { headline: string; model_version: string };\n const s = r.score == null\n ? \"—\"\n : `= 0 ? \"win\" : \"loss\"}\">${r.score}`;\n return `${r.issue_date}${f.headline}${f.model_version}${s}`;\n })\n .join(\"\");\n return `${rows}

Issue	Forecast	Model	Score

`;\n}\n\nfunction authorized(req: Request): boolean {\n const secret = Deno.env.get(\"BH_LAB_SECRET\");\n if (!secret) return true; // no secret set → allow while building\n return req.headers.get(\"x-lab-secret\") === secret;\n}\n\nfunction jsonResponse(data: unknown, status = 200): Response {\n return new Response(JSON.stringify(data, null, 2), {\n status,\n headers: { \"content-type\": \"application/json\" },\n });\n}\n",[191],"8a3817b0-14da-4f14-b47b-1034d4d5d5f8","dates.ts","8d25a690-ab9a-11f1-ade0-1607ee4eb77e",8,["D",1788881573051],"import { CONFIG } from \"./config.ts\";\n\nconst DAY = 86_400_000;\n\nexport function addDays(date: Date, days: number): Date {\n return new Date(date.getTime() + days * DAY);\n}\n\nexport function isoDay(date: Date): string {\n return date.toISOString().slice(0, 10);\n}\n\nexport function mountainParts(\n date: Date,\n): { year: number; month: number; day: number; hour: number } {\n const parts = new Intl.DateTimeFormat(\"en-US\", {\n timeZone: CONFIG.timeZone,\n year: \"numeric\",\n month: \"numeric\",\n day: \"numeric\",\n hour: \"numeric\",\n hourCycle: \"h23\",\n }).formatToParts(date);\n const values = Object.fromEntries(\n parts.filter((part) => part.type !== \"literal\").map((\n part,\n ) => [part.type, Number(part.value)]),\n );\n return values as { year: number; month: number; day: number; hour: number };\n}\n\n// Converts a wall-clock time in America/Denver to UTC without requiring a date library.\nexport function mountainToUtc(\n year: number,\n month: number,\n day: number,\n hour = 0,\n minute = 0,\n): Date {\n let guess = new Date(Date.UTC(year, month - 1, day, hour, minute));\n for (let attempt = 0; attempt < 3; attempt += 1) {\n const seen = mountainParts(guess);\n const wanted = Date.UTC(year, month - 1, day, hour, minute);\n const actual = Date.UTC(\n seen.year,\n seen.month - 1,\n seen.day,\n seen.hour,\n minute,\n );\n guess = new Date(guess.getTime() + wanted - actual);\n }\n return guess;\n}\n\nexport function mountainCalendarDate(date: Date): Date {\n const p = mountainParts(date);\n return new Date(Date.UTC(p.year, p.month - 1, p.day, 12));\n}\n\nexport function waterYear(date: Date): number {\n const p = mountainParts(date);\n return p.month >= 10 ? p.year + 1 : p.year;\n}\n\nexport function fixedIssueAt(\n runoffYear: number,\n month: number,\n day: number,\n): Date {\n const year = month >= 10 ? runoffYear - 1 : runoffYear;\n return mountainToUtc(year, month, day, CONFIG.lockHourMountain);\n}\n\nexport function firstMondayOfSeptember(year: number): Date {\n const first = new Date(Date.UTC(year, 8, 1, 12));\n const offset = (8 - first.getUTCDay()) % 7;\n return addDays(first, offset);\n}\n\nexport function daysBetween(a: Date, b: Date): number {\n return Math.round(\n (mountainCalendarDate(a).getTime() - mountainCalendarDate(b).getTime()) /\n DAY,\n );\n}\n\nexport function afterMountainDay(\n date: Date,\n year: number,\n month: number,\n day: number,\n): boolean {\n return mountainCalendarDate(date) >\n new Date(Date.UTC(year, month - 1, day, 23, 59, 59));\n}",[197],"2e430288-2b75-40ad-8a18-d32903314145","config.ts","377dfa62-ab9a-11f1-ac1e-1607ee4eb77e",5,["D",1788881526228],"export const CONFIG = {\n username: \"pagosaoutside\",\n projectName: \"black-hat-hydrology\",\n timeZone: \"America/Denver\",\n lockHourMountain: 9,\n fixedLockGraceHours: 36,\n firstAutomatedWaterYear: 2027,\n // Leave this in shadow mode until the preseason checks have passed.\n mode: String(\n (globalThis as any).Deno?.env?.get?.(\"BLACK_HAT_MODE\") || \"shadow\",\n ).toLowerCase(),\n allowedOrigins: new Set([\n \"https://pagosaoutside.com\",\n \"https://www.pagosaoutside.com\",\n ]),\n usgsSite: \"09342500\",\n snotelStations: [\"840:CO:SNTL\", \"874:CO:SNTL\"],\n modelVersion: \"0.5.0-2027-game\",\n} as const;\n\nexport const IS_LIVE = CONFIG.mode === \"live\";",[204],"pulls","branches","forks","envVars",{"_217":64,"_219":64},"connections",{"_217":64,"_218":64},"count","unfilledCount","emptyCount",{"_44":203,"_33":204,"_31":205,"_144":-5,"_42":43,"_41":206,"_146":25,"_39":258,"_13":148,"_34":35,"_36":208,"_24":25,"_150":-5,"_231":259,"_27":260},{"_44":196,"_33":197,"_31":198,"_144":-5,"_42":43,"_41":199,"_146":25,"_39":255,"_13":148,"_34":35,"_36":201,"_24":25,"_150":-5,"_231":256,"_27":257},{"_44":190,"_33":191,"_31":192,"_144":-5,"_42":43,"_41":148,"_146":60,"_39":252,"_13":64,"_34":187,"_36":194,"_24":25,"_150":-5,"_231":253,"_27":254},{"_44":184,"_33":185,"_31":58,"_144":-5,"_42":43,"_41":175,"_146":25,"_39":249,"_13":64,"_34":187,"_36":188,"_24":25,"_150":-5,"_231":250,"_27":251},{"_44":177,"_33":178,"_31":179,"_144":-5,"_42":43,"_41":180,"_146":25,"_39":246,"_13":148,"_34":35,"_36":182,"_24":25,"_150":-5,"_231":247,"_27":248},{"_44":173,"_33":28,"_31":32,"_144":-5,"_42":43,"_41":14,"_146":25,"_39":243,"_13":175,"_34":35,"_36":38,"_24":25,"_150":-5,"_231":244,"_27":245},{"_44":167,"_33":168,"_31":169,"_144":-5,"_42":43,"_41":170,"_146":25,"_39":240,"_13":64,"_34":35,"_36":37,"_24":25,"_150":-5,"_231":241,"_27":242},{"_44":160,"_33":161,"_31":162,"_144":-5,"_42":43,"_41":163,"_146":25,"_39":237,"_13":148,"_34":35,"_36":165,"_24":25,"_150":-5,"_231":238,"_27":239},{"_44":152,"_33":153,"_31":154,"_144":-5,"_42":43,"_41":155,"_146":25,"_39":234,"_13":157,"_34":35,"_36":158,"_24":25,"_150":-5,"_231":235,"_27":236},{"_44":141,"_33":142,"_31":143,"_144":-5,"_42":43,"_41":145,"_146":25,"_39":230,"_13":148,"_34":35,"_36":149,"_24":25,"_150":-5,"_231":232,"_27":233},["D",1788881595508],"children",[],[142],["D",1788881612187],[],[153],["D",1788881598789],[],[161],["D",1788881608186],[],[168],["D",1788881614031],[],[28],["D",1788881601600],[],[178],["D",1788718987538],[],[185],["D",1788719065897],[],[191],["D",1788881573051],[],[197],["D",1788881526228],[],[204],["D",1788718960405],["D",1789488693443],{"_101":100,"_109":105},{"_101":100,"_102":103,"_104":105,"_18":56,"_106":107,"_108":25},{"_13":90,"_33":91,"_44":43,"_92":45,"_93":-5,"_94":-5,"_95":-5,"_96":-5,"_97":-5,"_98":46,"_99":100},"ctx",{"_83":-5,"_128":299,"_300":301,"_302":303,"_304":25,"_305":25,"_306":25,"_307":60,"_308":-5,"_309":-7,"_310":-7,"_311":64,"_312":25,"_313":25,"_314":-5,"_315":25,"_316":25,"_317":25,"_318":-5},"ENV",{"_270":271,"_272":273,"_274":91,"_275":276,"_277":278,"_279":280,"_281":282,"_283":284,"_285":286,"_287":288,"_289":290,"_291":292,"_293":294,"_295":296,"_297":298},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","e87eb04e707cf64e7e532c8e8ec395f209e17f15","RENDER_GIT_BRANCH","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]

Diff · v25