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9c:T6455,[V0_FILE]typescript:file="/lib/water-data.ts" // ───────────────────────────────────────────────────────────────────────────── // BLUE FOLD — Water Cycle Data Layer // All values are relative 0–100 educational estimates. // This is a FICTIONAL ILLUSTRATIVE MODEL, not real water data. // ───────────────────────────────────────────────────────────────────────────── // ── Types ──────────────────────────────────────────────────────────────────── export type InterventionStage = "source" | "use" | "return" export type WaterDimension = | "sourceResilience" | "treatmentBurden" | "useIntensity" | "returnQuality" | "recoverability" export type WaterScenarioId = | "morning-shower" | "washing-rice" | "public-plaza-cooling" | "reusable-bottles" | "balcony-garden" | "festival-trays" export type LoopCharacter = | "resilient-but-thirsty" | "efficient-but-fragile" | "clean-return-weak-source" | "low-use-low-recovery" | "balanced-local-loop" | "beneficial-but-evaporation-heavy" export const LOOP_CHARACTER_LABELS: Record = { "resilient-but-thirsty": "Resilient, but thirsty", "efficient-but-fragile": "Efficient, but fragile", "clean-return-weak-source": "Clean return, weak source", "low-use-low-recovery": "Low use, low recovery", "balanced-local-loop": "Balanced local loop", "beneficial-but-evaporation-heavy":"Beneficial, but evaporation-heavy", } export const DIMENSION_LABELS: Record = { sourceResilience: "Source Resilience", treatmentBurden: "Treatment Burden", useIntensity: "Use Intensity", returnQuality: "Return Quality", recoverability: "Recoverability", } // Higher = better for resilience/quality/recoverability; lower = better for burden/intensity export const DIMENSION_POLARITY: Record = { sourceResilience: "positive", treatmentBurden: "negative", useIntensity: "negative", returnQuality: "positive", recoverability: "positive", } export type WaterScenario = { id: WaterScenarioId title: string shortContext: string visibleTension: string sourceType: "reservoir" | "river" | "groundwater" | "rain-storage" | "mixed-supply" // 0–100 baseline parameters seasonalReliability: number // high = reliable year-round extractionPressure: number // high = stressed aquifer/river treatmentEffort: number // high = heavy pre-treatment needed useVolume: number // high = large volume minimumUsefulVolume: number // high = hard to cut use much publicBenefit: number // high = serves many people contamination: number // high = dirty return separationDifficulty:number // high = hard to filter return evaporationLoss: number // high = water lost to sky returnDelay: number // high = slow return to cycle baseline: Record practicalActions: Record } export type OverlayMark = { panel: InterventionStage x: number // 0–100 % within panel y: number // 0–100 % within panel status: "aligned" | "strained" | "broken" label: string } export type FoldResult = { scenarioId: WaterScenarioId intervention: InterventionStage dimensions: Record loopCharacter: LoopCharacter strongestImprovement: WaterDimension weakestRemainingLink: WaterDimension hiddenTradeoff: string explanation: string practicalAction: string suggestedAlternative: { stage: InterventionStage reason: string } overlayMarks: OverlayMark[] } // ───────────────────────────────────────────────────────────────────────────── // SCENARIO RECORDS // Baseline construction: each dimension reflects the scenario's raw parameters. // sourceResilience = seasonalReliability weighted against extractionPressure // treatmentBurden = treatmentEffort // useIntensity = useVolume // returnQuality = 100 - contamination // recoverability = (returnQuality - evaporationLoss/2) clamped, penalised by separationDifficulty // ───────────────────────────────────────────────────────────────────────────── export const SCENARIOS: WaterScenario[] = [ { id: "morning-shower", title: "Morning Shower", shortContext: "A 6-minute municipal shower that begins the household day.", visibleTension: "Personal cleanliness vs. high daily volume from a shared reservoir", sourceType: "reservoir", seasonalReliability: 68, extractionPressure: 55, treatmentEffort: 52, useVolume: 72, minimumUsefulVolume: 55, publicBenefit: 35, contamination: 42, separationDifficulty: 38, evaporationLoss: 10, returnDelay: 20, baseline: { sourceResilience: 56, treatmentBurden: 52, useIntensity: 72, returnQuality: 58, recoverability: 54, }, practicalActions: { source: "Switch to a dual-supply or rainwater-fed header tank to reduce reservoir draw.", use: "Install a flow restrictor or shower timer; cutting 2 minutes saves roughly 20 L.", return: "Use greywater from the shower for toilet flushing to close the loop locally.", }, }, { id: "washing-rice", title: "Washing Rice", shortContext: "Rinsing 2–3 cups of rice three times before cooking, a daily kitchen ritual.", visibleTension: "Clean grain vs. starchy return water that is difficult to separate", sourceType: "mixed-supply", seasonalReliability: 75, extractionPressure: 30, treatmentEffort: 28, useVolume: 18, minimumUsefulVolume: 14, publicBenefit: 22, contamination: 35, separationDifficulty: 55, evaporationLoss: 4, returnDelay: 8, baseline: { sourceResilience: 68, treatmentBurden: 28, useIntensity: 18, returnQuality: 65, recoverability: 60, }, practicalActions: { source: "Use stored filtered rainwater for the first two rinses to reduce mains draw.", use: "Limit to two rinse cycles; the third rinse typically removes less than 5% of starch.", return: "Collect final rinse water to water plants — the starch is a mild soil conditioner.", }, }, { id: "public-plaza-cooling", title: "Cooling a Public Plaza", shortContext: "Mist nozzles reduce air temperature on a paved plaza by 4–6 °C on summer days.", visibleTension: "Public heat-relief benefit vs. near-total evaporation and no return path", sourceType: "river", seasonalReliability: 50, extractionPressure: 70, treatmentEffort: 62, useVolume: 85, minimumUsefulVolume: 65, publicBenefit: 88, contamination: 15, separationDifficulty: 90, evaporationLoss: 88, returnDelay: 40, baseline: { sourceResilience: 42, treatmentBurden: 62, useIntensity: 85, returnQuality: 85, recoverability: 18, }, practicalActions: { source: "Time misting to cooler hours to reduce peak river draw during low-flow periods.", use: "Install pressure-regulating valves to reduce flow by 30% without loss of cooling effect.", return: "Route run-off from paving into planted bioswales to encourage local groundwater recharge.", }, }, { id: "reusable-bottles", title: "Cleaning Reusable Bottles", shortContext: "Hand-washing a set of reusable bottles after a market day, using warm water and soap.", visibleTension: "Clean reuse vs. soapy grey water that requires separation before return", sourceType: "groundwater", seasonalReliability: 82, extractionPressure: 38, treatmentEffort: 35, useVolume: 22, minimumUsefulVolume: 16, publicBenefit: 40, contamination: 48, separationDifficulty: 45, evaporationLoss: 6, returnDelay: 12, baseline: { sourceResilience: 72, treatmentBurden: 35, useIntensity: 22, returnQuality: 52, recoverability: 58, }, practicalActions: { source: "Use filtered harvested rainwater for the initial rinse to preserve groundwater.", use: "Switch to a bottle-brush method using a small basin — reduces volume by roughly 40%.", return: "Filter soapy wash water through a simple sand-and-gravel filter before drain.", }, }, { id: "balcony-garden", title: "Watering a Balcony Garden", shortContext: "Daily watering of herbs and greens in pots on a south-facing city balcony.", visibleTension: "Urban food growing vs. high evaporation and limited return to the water cycle", sourceType: "rain-storage", seasonalReliability: 44, extractionPressure: 22, treatmentEffort: 18, useVolume: 30, minimumUsefulVolume: 24, publicBenefit: 28, contamination: 12, separationDifficulty: 20, evaporationLoss: 60, returnDelay: 30, baseline: { sourceResilience: 40, treatmentBurden: 18, useIntensity: 30, returnQuality: 88, recoverability: 35, }, practicalActions: { source: "Install a small rooftop rain barrel to extend seasonal collection into dry periods.", use: "Water at dusk to reduce daytime evaporation; use drip trays to capture run-through.", return: "Compost spent soil and plant matter to keep nutrients cycling back to the balcony.", }, }, { id: "festival-trays", title: "Washing Festival Food Trays", shortContext: "Bulk rinse of reusable festival trays at a communal wash station at day's end.", visibleTension: "Clean reuse enabling zero single-use plastic vs. high-contamination bulk return", sourceType: "mixed-supply", seasonalReliability: 62, extractionPressure: 48, treatmentEffort: 68, useVolume: 78, minimumUsefulVolume: 60, publicBenefit: 72, contamination: 72, separationDifficulty: 62, evaporationLoss: 12, returnDelay: 18, baseline: { sourceResilience: 52, treatmentBurden: 68, useIntensity: 78, returnQuality: 28, recoverability: 38, }, practicalActions: { source: "Pre-fill collection tanks before the festival to avoid peak municipal supply draw.", use: "Pre-soak trays for 5 minutes to reduce active rinse volume by roughly 35%.", return: "Filter wash water through a grease trap and biofilter before drain discharge.", }, }, ] // ───────────────────────────────────────────────────────────────────────────── // FOLD ENGINE — Deterministic calculation utilities // ───────────────────────────────────────────────────────────────────────────── function clamp(v: number, lo = 0, hi = 100): number { return Math.max(lo, Math.min(hi, v)) } /** * Stage-specific intervention modifiers. * * SOURCE repair: * - Strongest when seasonalReliability is low (more room to improve). * - Improves sourceResilience and slightly reduces treatmentBurden. * - Does NOT directly reduce useIntensity or improve returnQuality. * * USE repair: * - Strongly reduces useIntensity and treatmentBurden (less volume = less treatment). * - Penalised when minimumUsefulVolume is high (can't cut much). * - May slightly reduce publicBenefit; does not improve source or return. * * RETURN repair: * - Improves returnQuality and recoverability. * - Limited by separationDifficulty (structural contamination is hard to fix). * - High evaporation still limits recoverability even after return quality improves. * - Does not improve source or reduce use. */ function computeInterventionDeltas( s: WaterScenario, stage: InterventionStage, ): Record { const { seasonalReliability, minimumUsefulVolume, useVolume, separationDifficulty, evaporationLoss, treatmentEffort, contamination, } = s // How much headroom exists for each type of fix (0–1 scale) const sourceHeadroom = (100 - seasonalReliability) / 100 const useHeadroom = Math.max(0, (useVolume - minimumUsefulVolume)) / 100 const returnHeadroom = (100 - separationDifficulty) / 100 const evapPenalty = evaporationLoss / 100 if (stage === "source") { return { sourceResilience: clamp(18 + sourceHeadroom * 24), // big gain when reliability was low treatmentBurden: clamp(-(4 + sourceHeadroom * 8)), // small indirect benefit useIntensity: 0, // source fix doesn't cut demand returnQuality: 0, recoverability: clamp(4 + sourceHeadroom * 6), // slightly more water available } } if (stage === "use") { const volumeReduction = clamp(useHeadroom * 32) return { sourceResilience: clamp(4 + useHeadroom * 8), // less extraction pressure treatmentBurden: clamp(-(8 + useHeadroom * 22)), // strong reduction useIntensity: clamp(-volumeReduction), returnQuality: clamp(2 + useHeadroom * 6), // slightly cleaner return recoverability: clamp(3 + useHeadroom * 10), } } // stage === "return" const separationGain = returnHeadroom * 28 const evapLimit = evapPenalty * 18 return { sourceResilience: 0, treatmentBurden: clamp(-(6 + returnHeadroom * 14)), // cleaner return = less pre-treatment next cycle useIntensity: 0, returnQuality: clamp(separationGain), recoverability: clamp(separationGain - evapLimit), // evaporation caps recovery gain } } /** * Weakest-link selection. * Converts each dimension to a normalised 0–100 "goodness" score, * then returns the lowest. Burden and intensity are inverted (lower = better). */ function toGoodness(dim: WaterDimension, value: number): number { return DIMENSION_POLARITY[dim] === "positive" ? value : 100 - value } function selectWeakestLink(dims: Record): WaterDimension { const order: WaterDimension[] = [ "sourceResilience","treatmentBurden","useIntensity","returnQuality","recoverability" ] let lowest = Infinity let weakest: WaterDimension = "sourceResilience" for (const d of order) { const g = toGoodness(d, dims[d]) if (g < lowest) { lowest = g; weakest = d } } return weakest } function selectStrongestImprovement( baseline: Record, result: Record, ): WaterDimension { const order: WaterDimension[] = [ "sourceResilience","treatmentBurden","useIntensity","returnQuality","recoverability" ] let biggest = -Infinity let best: WaterDimension = "sourceResilience" for (const d of order) { const delta = (DIMENSION_POLARITY[d] === "positive") ? result[d] - baseline[d] : baseline[d] - result[d] // improvement means reduction for burdens if (delta > biggest) { biggest = delta; best = d } } return best } /** * Alternative-stage recommendation. * After computing the weakest remaining link, suggest the stage that would * most directly address it. */ function recommendAlternative( weakest: WaterDimension, current: InterventionStage, ): { stage: InterventionStage; reason: string } { const map: Record = { sourceResilience: { stage: "source", reason: "The weakest remaining link is source reliability — a source repair addresses this most directly.", }, treatmentBurden: { stage: "use", reason: "Treatment burden stays high when volume is large — reducing use also reduces what needs to be cleaned.", }, useIntensity: { stage: "use", reason: "Use intensity remains the dominant pressure; a use-stage repair cuts demand at the point of consumption.", }, returnQuality: { stage: "return", reason: "Return quality is still the weak point — a return repair improves how water re-enters the cycle.", }, recoverability: { stage: "return", reason: "Recovery is limited by how the water is returned — a return repair opens more pathways back into the loop.", }, } const suggestion = map[weakest] // Don't suggest the same stage the user already chose if (suggestion.stage === current) { // Pick the next best const alts: InterventionStage[] = ["source","use","return"] const alt = alts.find(a => a !== current) ?? "source" return { stage: alt, reason: `You've already addressed ${weakest === "sourceResilience" ? "the source" : weakest === "recoverability" || weakest === "returnQuality" ? "the return" : "use"}. Try a ${alt}-stage repair to cover the remaining gap.`, } } return suggestion } /** * Determine loop character from the post-intervention dimension profile. */ function selectLoopCharacter( dims: Record, scenario: WaterScenario, ): LoopCharacter { const { sourceResilience, treatmentBurden, useIntensity, returnQuality, recoverability } = dims if (sourceResilience >= 65 && useIntensity >= 60) return "resilient-but-thirsty" if (useIntensity <= 40 && treatmentBurden <= 40 && recoverability <= 45) return "efficient-but-fragile" if (returnQuality >= 70 && sourceResilience <= 50) return "clean-return-weak-source" if (useIntensity <= 35 && recoverability <= 40) return "low-use-low-recovery" if (scenario.evaporationLoss >= 55 && recoverability <= 38) return "beneficial-but-evaporation-heavy" // balanced: no single dimension is critically low const goodnesses = (Object.keys(dims) as WaterDimension[]).map(d => toGoodness(d, dims[d])) const min = Math.min(...goodnesses) if (min >= 40) return "balanced-local-loop" return "resilient-but-thirsty" // fallback } /** Hidden trade-off sentences keyed by scenario + stage */ const HIDDEN_TRADEOFFS: Record> = { "morning-shower": { source: "A more resilient source can mask persistently high daily volume — the convenience of abundance rarely prompts demand reduction.", use: "Shortening the shower saves volume but the greywater remains warm, surfactant-rich, and still requires treatment before return.", return: "Routing shower water to flushing closes one loop but creates a separate greywater maintenance burden.", }, "washing-rice": { source: "Stored rainwater improves supply independence but seasonal gaps mean mains fallback is still needed.", use: "Fewer rinse cycles preserve volume but leave more starch, which slightly raises biological oxygen demand at the drain.", return: "Starch-rich water used on soil is beneficial in small amounts but can compact clay-heavy potting mixes over time.", }, "public-plaza-cooling": { source: "Timing draws to off-peak hours helps the river but does not reduce the total volume evaporated.", use: "Flow reduction preserves water but a lower mist volume on the hottest days may diminish the public cooling benefit.", return: "Bioswale run-off recharge works only when the paving has enough permeable edge — sealed plazas route water to storm drains instead.", }, "reusable-bottles": { source: "Rainwater for initial rinses is clean enough but may introduce mineral traces that affect taste in direct-contact bottles.", use: "Basin washing reduces volume but concentrates soap and residue, making the final wastewater more contaminated per litre.", return: "Sand filters are effective but require periodic replacement and cannot capture microplastic fragments from worn bottle interiors.", }, "balcony-garden": { source: "A rain barrel extends seasonal reach but is vulnerable to dry spells lasting more than two weeks.", use: "Evening watering reduces evaporation but may increase fungal risk on dense herb plantings with restricted airflow.", return: "Composting returns nutrients but the water itself largely enters the atmosphere — evaporation is structural, not fixable by return routing.", }, "festival-trays": { source: "Pre-filling tanks reduces peak draw but the total festival volume remains unchanged.", use: "Pre-soaking reduces active rinse time but the soak basin itself becomes high-contamination water requiring careful disposal.", return: "A grease trap captures fat and large solids but biological oxygen demand from food residue still stresses the downstream treatment plant.", }, } /** Overlay registration marks for the fold view */ function buildOverlayMarks( stage: InterventionStage, dims: Record, weakest: WaterDimension, ): OverlayMark[] { const weakestPanel: Record = { sourceResilience: "source", treatmentBurden: "use", useIntensity: "use", returnQuality: "return", recoverability: "return", } const weakPanel = weakestPanel[weakest] return [ { panel: "source", x: 30, y: 35, status: stage === "source" ? "aligned" : (weakPanel === "source" ? "broken" : "strained"), label: "SOURCE ×", }, { panel: "use", x: 50, y: 50, status: stage === "use" ? "aligned" : (weakPanel === "use" ? "broken" : "strained"), label: "USE ×", }, { panel: "return", x: 68, y: 40, status: stage === "return" ? "aligned" : (weakPanel === "return" ? "broken" : "strained"), label: "RETURN ×", }, ] } // ───────────────────────────────────────────────────────────────────────────── // PUBLIC API // ───────────────────────────────────────────────────────────────────────────── export function computeFoldResult( scenarioId: WaterScenarioId, intervention: InterventionStage, ): FoldResult { const scenario = SCENARIOS.find(s => s.id === scenarioId)! const deltas = computeInterventionDeltas(scenario, intervention) // Apply deltas to baseline and round to integers for clean display const dims: Record = { sourceResilience: Math.round(clamp(scenario.baseline.sourceResilience + deltas.sourceResilience)), treatmentBurden: Math.round(clamp(scenario.baseline.treatmentBurden + deltas.treatmentBurden)), useIntensity: Math.round(clamp(scenario.baseline.useIntensity + deltas.useIntensity)), returnQuality: Math.round(clamp(scenario.baseline.returnQuality + deltas.returnQuality)), recoverability: Math.round(clamp(scenario.baseline.recoverability + deltas.recoverability)), } const weakest = selectWeakestLink(dims) const strongest = selectStrongestImprovement(scenario.baseline, dims) const loopChar = selectLoopCharacter(dims, scenario) const alt = recommendAlternative(weakest, intervention) const marks = buildOverlayMarks(intervention, dims, weakest) return { scenarioId, intervention, dimensions: dims, loopCharacter: loopChar, strongestImprovement: strongest, weakestRemainingLink: weakest, hiddenTradeoff: HIDDEN_TRADEOFFS[scenarioId][intervention], explanation: buildExplanation(scenario, intervention, strongest, weakest, dims), practicalAction: scenario.practicalActions[intervention], suggestedAlternative: alt, overlayMarks: marks, } } function buildExplanation( s: WaterScenario, stage: InterventionStage, strongest: WaterDimension, weakest: WaterDimension, dims: Record, ): string { const stageLabel = stage === "source" ? "source repair" : stage === "use" ? "use-stage repair" : "return repair" const strongLabel = DIMENSION_LABELS[strongest].toLowerCase() const weakLabel = DIMENSION_LABELS[weakest].toLowerCase() return `Applying a ${stageLabel} to ${s.title.toLowerCase()} improves ${strongLabel} most directly. The remaining gap is ${weakLabel} — the loop is more resilient now, but not yet closed. 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