Fix mock tests

Former-commit-id: 43b5fc03fd

scripts/sync-production-data.sh

@@ -20,7 +20,7 @@ set -e  # Exit on error
 # Configuration
 REMOTE_HOST="tour@athena.lan"
 REMOTE_VOLUME="shared-auction-data"
-LOCAL_DB_PATH="c:/mnt/okcomputer/cache.db"
+LOCAL_DB_PATH="c:/mnt/okcomputer/output/cache.db"
 LOCAL_IMAGES_PATH="c:/mnt/okcomputer/images"
 REMOTE_TMP="/tmp"
 

src/main/java/auctiora/AuctionMonitorResource.java

@@ -5,6 +5,7 @@ import jakarta.ws.rs.*;
 import jakarta.ws.rs.core.MediaType;
 import jakarta.ws.rs.core.Response;
 import org.jboss.logging.Logger;
+import java.time.LocalDateTime;
 
 import java.time.LocalDateTime;
 import java.util.ArrayList;
@@ -121,6 +122,49 @@ public class AuctionMonitorResource {
       }
    }
    
+   /**
+    * GET /api/monitor/closing-soon
+    * Returns lots closing within the next specified hours (default: 24 hours)
+    */
+   @GET
+   @Path("/closing-soon")
+   public Response getClosingSoon(@QueryParam("hours") @DefaultValue("24") int hours) {
+      try {
+         var lots = db.getAllLots();
+         var closingSoon = lots.stream()
+                 .filter(lot -> lot.closingTime() != null)
+                 .filter(lot -> lot.minutesUntilClose() > 0 && lot.minutesUntilClose() <= hours * 60)
+                 .sorted((a, b) -> Long.compare(a.minutesUntilClose(), b.minutesUntilClose()))
+                 .limit(100)
+                 .toList();
+
+         return Response.ok(closingSoon).build();
+      } catch (Exception e) {
+         LOG.error("Failed to get closing soon lots", e);
+         return Response.status(Response.Status.INTERNAL_SERVER_ERROR)
+                        .entity(Map.of("error", e.getMessage()))
+                        .build();
+      }
+   }
+
+   /**
+    * GET /api/monitor/lots/{lotId}/bid-history
+    * Returns bid history for a specific lot
+    */
+   @GET
+   @Path("/lots/{lotId}/bid-history")
+   public Response getBidHistory(@PathParam("lotId") String lotId) {
+      try {
+         var history = db.getBidHistory(lotId);
+         return Response.ok(history).build();
+      } catch (Exception e) {
+         LOG.error("Failed to get bid history for lot {}", lotId, e);
+         return Response.status(Response.Status.INTERNAL_SERVER_ERROR)
+                        .entity(Map.of("error", e.getMessage()))
+                        .build();
+      }
+   }
+
    /**
     * POST /api/monitor/trigger/scraper-import
     * Manually trigger scraper import workflow

src/main/java/auctiora/DatabaseService.java

@@ -544,42 +544,19 @@ public class DatabaseService {
     */
    synchronized List<Lot> getActiveLots() throws SQLException {
       List<Lot> list = new ArrayList<>();
-      var sql = "SELECT lot_id, sale_id, title, description, manufacturer, type, year, category, " +
+      var sql = "SELECT lot_id, sale_id as auction_id, title, description, manufacturer, type, year, category, " +
                 "current_bid, currency, url, closing_time, closing_notified FROM lots";
 
       try (var conn = DriverManager.getConnection(url); var stmt = conn.createStatement()) {
          var rs = stmt.executeQuery(sql);
          while (rs.next()) {
-            var closingStr = rs.getString("closing_time");
+            try {
-            LocalDateTime closing = null;
+               // Use ScraperDataAdapter to handle TEXT parsing from legacy database
-            if (closingStr != null && !closingStr.isBlank()) {
+               var lot = ScraperDataAdapter.fromScraperLot(rs);
-               try {
+               list.add(lot);
-                  closing = LocalDateTime.parse(closingStr);
+            } catch (Exception e) {
-               } catch (Exception e) {
+               log.warn("Failed to parse lot {}: {}", rs.getString("lot_id"), e.getMessage());
-                  log.debug("Invalid closing_time format for lot {}: {}", rs.getLong("lot_id"), closingStr);
-               }
             }
-
-            list.add(new Lot(
-                    rs.getLong("sale_id"),
-                    rs.getLong("lot_id"),
-                    rs.getString("title"),
-                    rs.getString("description"),
-                    rs.getString("manufacturer"),
-                    rs.getString("type"),
-                    rs.getInt("year"),
-                    rs.getString("category"),
-                    rs.getDouble("current_bid"),
-                    rs.getString("currency"),
-                    rs.getString("url"),
-                    closing,
-                    rs.getInt("closing_notified") != 0,
-                    // New intelligence fields - set to null for now
-                    null, null, null, null, null, null, null, null,
-                    null, null, null, null, null, null, null,
-                    null, null, null, null, null, null, null, null,
-                    null, null
-            ));
          }
       }
       return list;
@@ -629,6 +606,44 @@ public class DatabaseService {
          ps.executeUpdate();
       }
    }
+
+   /**
+    * Retrieves bid history for a specific lot
+    */
+   synchronized List<BidHistory> getBidHistory(String lotId) throws SQLException {
+      List<BidHistory> history = new ArrayList<>();
+      var sql = "SELECT id, lot_id, bid_amount, bid_time, is_autobid, bidder_id, bidder_number " +
+                "FROM bid_history WHERE lot_id = ? ORDER BY bid_time DESC LIMIT 100";
+
+      try (var conn = DriverManager.getConnection(url);
+           var ps = conn.prepareStatement(sql)) {
+         ps.setString(1, lotId);
+         var rs = ps.executeQuery();
+
+         while (rs.next()) {
+            LocalDateTime bidTime = null;
+            var bidTimeStr = rs.getString("bid_time");
+            if (bidTimeStr != null && !bidTimeStr.isBlank()) {
+               try {
+                  bidTime = LocalDateTime.parse(bidTimeStr);
+               } catch (Exception e) {
+                  log.debug("Invalid bid_time format: {}", bidTimeStr);
+               }
+            }
+
+            history.add(new BidHistory(
+                    rs.getInt("id"),
+                    rs.getString("lot_id"),
+                    rs.getDouble("bid_amount"),
+                    bidTime,
+                    rs.getInt("is_autobid") != 0,
+                    rs.getString("bidder_id"),
+                    rs.getInt("bidder_number")
+            ));
+         }
+      }
+      return history;
+   }
    
    /**
     * Imports auctions from scraper's schema format.

src/main/java/auctiora/Lot.java

@@ -4,6 +4,19 @@ import lombok.With;
 import java.time.Duration;
 import java.time.LocalDateTime;
 
+/**
+ * Represents a bid in the bid history
+ */
+record BidHistory(
+   int id,
+   String lotId,
+   double bidAmount,
+   LocalDateTime bidTime,
+   boolean isAutobid,
+   String bidderId,
+   Integer bidderNumber
+) {}
+
 /// Represents a lot (kavel) in an auction.
 /// Data typically populated by the external scraper process.
 /// This project enriches the data with image analysis and monitoring.

src/main/java/auctiora/ObjectDetectionService.java

@@ -37,6 +37,8 @@ public class ObjectDetectionService {
    private final Net          net;
    private final List<String> classNames;
    private final boolean      enabled;
+   private int warnCount = 0;
+   private static final int MAX_WARNINGS = 5;
 
    ObjectDetectionService(String cfgPath, String weightsPath, String classNamesPath) throws IOException {
       // Check if model files exist
@@ -101,23 +103,44 @@ public class ObjectDetectionService {
       // Post‑process: for each detection compute score and choose class
       var confThreshold = 0.5f;
       for (var out : outs) {
-         for (var i = 0; i < out.rows(); i++) {
+         // YOLO output shape: [num_detections, 85] where 85 = 4 (bbox) + 1 (objectness) + 80 (classes)
-            var data = out.get(i, 0);
+         int numDetections = out.rows();
-            if (data == null) continue;
+         int numElements = out.cols();
+         int expectedLength = 5 + classNames.size();
 
-            // The first 5 numbers are bounding box, then class scores
+         if (numElements < expectedLength) {
-            // Check if data has enough elements before copying
+            // Rate-limit warnings to prevent thread blocking from excessive logging
-            int expectedLength = 5 + classNames.size();
+            if (warnCount < MAX_WARNINGS) {
-            if (data.length < expectedLength) {
+               log.warn("Output matrix has wrong dimensions: expected {} columns, got {}. Output shape: [{}, {}]",
-               log.warn("Detection data too short: expected {} elements, got {}. Skipping detection.",
+                       expectedLength, numElements, numDetections, numElements);
-                       expectedLength, data.length);
+               warnCount++;
-               continue;
+               if (warnCount == MAX_WARNINGS) {
+                  log.warn("Suppressing further dimension warnings (reached {} warnings)", MAX_WARNINGS);
+               }
+            }
+            continue;
+         }
+
+         for (var i = 0; i < numDetections; i++) {
+            // Get entire row (all 85 elements)
+            var data = new double[numElements];
+            for (int j = 0; j < numElements; j++) {
+               data[j] = out.get(i, j)[0];
             }
 
+            // Extract objectness score (index 4) and class scores (index 5+)
+            double objectness = data[4];
+            if (objectness < confThreshold) {
+               continue; // Skip low-confidence detections
+            }
+
+            // Extract class scores
             var scores = new double[classNames.size()];
-            System.arraycopy(data, 5, scores, 0, scores.length);
+            System.arraycopy(data, 5, scores, 0, Math.min(scores.length, data.length - 5));
+
             var classId    = argMax(scores);
-            var confidence = scores[classId];
+            var confidence = scores[classId] * objectness; // Combine objectness with class confidence
+
             if (confidence > confThreshold) {
                var label = classNames.get(classId);
                if (!labels.contains(label)) {

src/main/java/auctiora/ValuationAnalyticsResource.java

@@ -26,6 +26,20 @@ public class ValuationAnalyticsResource {
     @Inject
     DatabaseService db;
 
+    /**
+     * GET /api/analytics/valuation/health
+     * Health check endpoint to verify API availability
+     */
+    @GET
+    @Path("/valuation/health")
+    public Response healthCheck() {
+        return Response.ok(Map.of(
+            "status", "healthy",
+            "service", "valuation-analytics",
+            "timestamp", java.time.LocalDateTime.now().toString()
+        )).build();
+    }
+
     /**
      * POST /api/analytics/valuation
      * Main valuation endpoint that calculates FMV, undervaluation score,

src/main/resources/META-INF/resources/index.html

@@ -6,7 +6,6 @@
     <title>Auctiora - Intelligence Dashboard</title>
     <script src="https://cdn.tailwindcss.com"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/plotly.js/3.0.3/plotly.min.js"></script>
-    <script src="https://cdn.jsdelivr.net/npm/chart.js@4.4.0/dist/chart.umd.min.js"></script>
     <link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css" rel="stylesheet">
     <style>
     :root {
@@ -757,6 +756,12 @@ function showToast(message, type = 'info', duration = 4000) {
 
 // Initialize dashboard
 document.addEventListener('DOMContentLoaded', function() {
+	// Check for missing CDN dependencies
+	if (typeof Plotly === 'undefined') {
+		console.warn('Plotly.js not loaded - charts will be disabled');
+		addLog('Running in offline mode - charts disabled', 'warning');
+	}
+
 	addLog('Dashboard v2.1 initialized with predictive analytics');
 	startUptimeCounter();
 	fetchAllData();
@@ -1029,7 +1034,13 @@ function updateCountryChart(data) {
 		font: { size: 12 }
 	};
 
-	Plotly.newPlot('country-chart', [chartData], layout, {responsive: true});
+	// Check if Plotly is available before using it
+	if (typeof Plotly !== 'undefined') {
+		Plotly.newPlot('country-chart', [chartData], layout, {responsive: true});
+	} else {
+		console.warn('Plotly not loaded - chart rendering skipped');
+		document.getElementById('country-chart').innerHTML = '<div class="text-gray-500 text-sm p-4">Chart library not available (offline mode)</div>';
+	}
 
 	// Update summary stats
 	document.getElementById('top-country').textContent = countries[0] || '--';
@@ -1061,7 +1072,13 @@ function updateCategoryChart(data) {
 		font: { size: 12 }
 	};
 
-	Plotly.newPlot('category-chart', [chartData], layout, {responsive: true});
+	// Check if Plotly is available before using it
+	if (typeof Plotly !== 'undefined') {
+		Plotly.newPlot('category-chart', [chartData], layout, {responsive: true});
+	} else {
+		console.warn('Plotly not loaded - chart rendering skipped');
+		document.getElementById('category-chart').innerHTML = '<div class="text-gray-500 text-sm p-4">Chart library not available (offline mode)</div>';
+	}
 
 	// Update summary stats
 	document.getElementById('top-category').textContent = categories[0] || '--';
@@ -1105,7 +1122,13 @@ function updateTrendChart(data) {
 		font: { size: 12 }
 	};
 
-	Plotly.newPlot('trend-chart', [trace1, trace2], layout, {responsive: true});
+	// Check if Plotly is available before using it
+	if (typeof Plotly !== 'undefined') {
+		Plotly.newPlot('trend-chart', [trace1, trace2], layout, {responsive: true});
+	} else {
+		console.warn('Plotly not loaded - chart rendering skipped');
+		document.getElementById('trend-chart').innerHTML = '<div class="text-gray-500 text-sm p-4">Chart library not available (offline mode)</div>';
+	}
 }
 
 // Update insights

src/main/resources/META-INF/resources/valuation-analytics.html

@@ -10,7 +10,6 @@
         <title>Auctiora - Valuation Analytics</title>
     <script src="https://cdn.tailwindcss.com"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/plotly.js/3.0.3/plotly.min.js"></script>
-    <script src="https://cdn.jsdelivr.net/npm/echarts@5.4.3/dist/echarts.min.js"></script>
     <link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css" rel="stylesheet">
     <style>
     :root {
@@ -639,6 +638,93 @@ async function recalculate() {
 	showLoadingState(false);
 }
 
+// Helper function: Calculate undervaluation score
+// Formula: U_score = (FMV - P_current)/FMV · σ_market · (1 + B_velocity/10) · ln(1 + W_watch/W_bid)
+function calculateUndervaluationScore(params, fmv) {
+	if (fmv <= 0) return 0.0;
+
+	const priceGap = (fmv - params.currentBid) / fmv;
+	const velocityFactor = 1 + params.bidVelocity / 10.0;
+	const watchRatio = Math.log(1 + params.watchCount / Math.max(params.bidCount, 1));
+
+	const uScore = priceGap * params.marketVolatility * velocityFactor * watchRatio;
+
+	return Math.max(0.0, Math.round(uScore * 1000) / 1000);
+}
+
+// Helper function: Predict final price
+// Formula: P̂_final = FMV · (1 + ε_bid + ε_time + ε_comp)
+function calculateFinalPrice(params, fmv) {
+	// Bid momentum error: ε_bid = tanh(φ_1 · Λ_b - φ_2 · P_current/FMV)
+	const epsilonBid = Math.tanh(0.15 * params.bidVelocity - 0.10 * (params.currentBid / fmv));
+
+	// Time pressure error: ε_time = ψ · exp(-t_close/30)
+	const epsilonTime = 0.20 * Math.exp(-params.minutesUntilClose / 30.0);
+
+	// Competition error: ε_comp = ρ · ln(1 + W_watch/50)
+	const epsilonComp = 0.08 * Math.log(1 + params.watchCount / 50.0);
+
+	const predictedPrice = fmv * (1 + epsilonBid + epsilonTime + epsilonComp);
+
+	// 95% confidence interval: ± 1.96 · σ_residual
+	const residualStdDev = fmv * 0.08;
+	const ciLower = predictedPrice - 1.96 * residualStdDev;
+	const ciUpper = predictedPrice + 1.96 * residualStdDev;
+
+	return {
+		predictedPrice: Math.round(predictedPrice * 100) / 100,
+		confidenceIntervalLower: Math.round(ciLower * 100) / 100,
+		confidenceIntervalUpper: Math.round(ciUpper * 100) / 100,
+		components: {
+			bidMomentum: Math.round(epsilonBid * 1000) / 1000,
+			timePressure: Math.round(epsilonTime * 1000) / 1000,
+			competition: Math.round(epsilonComp * 1000) / 1000
+		}
+	};
+}
+
+// Helper function: Generate bidding strategy
+function generateBiddingStrategy(params, fmv, prediction) {
+	const strategy = {
+		competitionLevel: 'MEDIUM',
+		recommendedTiming: 'FINAL_10_MINUTES',
+		recommendedTimingText: 'FINAL 10 MINUTES',
+		maxBid: 0,
+		analysis: '',
+		riskFactors: []
+	};
+
+	// Determine competition level
+	if (params.bidVelocity > 5.0) {
+		strategy.competitionLevel = 'HIGH';
+		strategy.recommendedTiming = 'FINAL_30_SECONDS';
+		strategy.recommendedTimingText = 'FINAL 30 SECONDS';
+		strategy.maxBid = prediction.predictedPrice + 50;
+		strategy.riskFactors = ['Bidding war likely', 'Sniping detected'];
+	} else if (params.minutesUntilClose < 10) {
+		strategy.competitionLevel = 'EXTREME';
+		strategy.recommendedTiming = 'FINAL_10_SECONDS';
+		strategy.recommendedTimingText = 'FINAL 10 SECONDS';
+		strategy.maxBid = prediction.predictedPrice * 1.02;
+		strategy.riskFactors = ['Last-minute sniping', 'Price volatility'];
+	} else {
+		const undervaluationScore = calculateUndervaluationScore(params, fmv.value);
+		if (undervaluationScore > 0.25) {
+			strategy.maxBid = fmv.value * 1.05;
+			strategy.analysis = 'Significant undervaluation detected. Consider aggressive bidding.';
+		} else {
+			strategy.maxBid = fmv.value * 1.03;
+		}
+		strategy.riskFactors = ['Standard competition level'];
+	}
+
+	// Generate analysis
+	strategy.analysis = `Bid velocity is ${params.bidVelocity.toFixed(1)} bids/min with ${params.watchCount} watchers. ${strategy.competitionLevel} competition detected. Predicted final: €${prediction.predictedPrice.toFixed(2)}.`;
+	strategy.maxBid = Math.round(strategy.maxBid * 100) / 100;
+
+	return strategy;
+}
+
 // Fallback mock calculation (original logic)
 async function calculateMockFallback(params) {
 	addLog('Using fallback calculation...', 'info');
@@ -654,9 +740,9 @@ async function calculateMockFallback(params) {
 	let weightSum = 0;
 
 	comparables.forEach(comp => {
-		const wc = Math.exp(-CONSTANTS.lambda_c * Math.abs(params.c_target - comp.condition));
+		const wc = Math.exp(-CONSTANTS.lambda_c * Math.abs(params.conditionScore - comp.condition));
-		const wt = Math.exp(-CONSTANTS.lambda_t * Math.abs(params.t_target - comp.year));
+		const wt = Math.exp(-CONSTANTS.lambda_t * Math.abs(params.manufacturingYear - comp.year));
-		const wp = 1 + CONSTANTS.delta_p * (params.n_docs > 0 ? 1 : 0 - comp.provenance);
+		const wp = 1 + CONSTANTS.delta_p * (params.provenanceDocs > 0 ? 1 : 0 - comp.provenance);
 		const wh = 1 / (1 + Math.exp(-CONSTANTS.kh * (comp.days_ago - 45)));
 
 		const weight = wc * wt * wp * wh;
@@ -664,12 +750,12 @@ async function calculateMockFallback(params) {
 		weightSum += weight;
 	});
 
-	let fmv = weightSum > 0 ? weightedSum / weightSum : (params.est_min + params.est_max) / 2;
+	let fmv = weightSum > 0 ? weightedSum / weightSum : (params.estimatedMin + params.estimatedMax) / 2;
-	const mCond = Math.exp(CONSTANTS.alpha_c * Math.sqrt(params.c_target) - CONSTANTS.beta_c);
+	const mCond = Math.exp(CONSTANTS.alpha_c * Math.sqrt(params.conditionScore) - CONSTANTS.beta_c);
 	fmv *= mCond;
 
-	if (params.n_docs > 0) {
+	if (params.provenanceDocs > 0) {
-		const provPremium = CONSTANTS.delta_p + 0.05 * Math.log(1 + params.n_docs);
+		const provPremium = CONSTANTS.delta_p + 0.05 * Math.log(1 + params.provenanceDocs);
 		fmv *= (1 + provPremium);
 	}
 
@@ -678,7 +764,7 @@ async function calculateMockFallback(params) {
 		fairMarketValue: {
 			value: Math.round(fmv * 100) / 100,
 			conditionMultiplier: Math.round(mCond * 1000) / 1000,
-			provenancePremium: params.n_docs > 0 ? CONSTANTS.delta_p + 0.05 * Math.log(1 + params.n_docs) : 0,
+			provenancePremium: params.provenanceDocs > 0 ? CONSTANTS.delta_p + 0.05 * Math.log(1 + params.provenanceDocs) : 0,
 			comparablesUsed: comparables.length,
 			confidence: 0.85,
 			weightedComparables: comparables.map(comp => ({
@@ -686,9 +772,9 @@ async function calculateMockFallback(params) {
 				finalPrice: comp.price,
 				totalWeight: 0.25,
 				components: {
-					conditionWeight: Math.round(Math.exp(-CONSTANTS.lambda_c * Math.abs(params.c_target - comp.condition)) * 1000) / 1000,
+					conditionWeight: Math.round(Math.exp(-CONSTANTS.lambda_c * Math.abs(params.conditionScore - comp.condition)) * 1000) / 1000,
-					timeWeight: Math.round(Math.exp(-CONSTANTS.lambda_t * Math.abs(params.t_target - comp.year)) * 1000) / 1000,
+					timeWeight: Math.round(Math.exp(-CONSTANTS.lambda_t * Math.abs(params.manufacturingYear - comp.year)) * 1000) / 1000,
-					provenanceWeight: Math.round((1 + CONSTANTS.delta_p * (params.n_docs > 0 ? 1 : 0 - comp.provenance)) * 1000) / 1000,
+					provenanceWeight: Math.round((1 + CONSTANTS.delta_p * (params.provenanceDocs > 0 ? 1 : 0 - comp.provenance)) * 1000) / 1000,
 					historicalWeight: Math.round((1 / (1 + Math.exp(-CONSTANTS.kh * (comp.days_ago - 45)))) * 1000) / 1000
 				}
 			}))
@@ -803,47 +889,57 @@ function generateSensitivityCharts() {
 	const conditionRange = Array.from({length: 21}, (_, i) => i * 0.5);
 	const conditionValues = conditionRange.map(c => {
 		const params = getInputParams();
-		params.c_target = c;
+		params.conditionScore = c;
 		return calculateMockFMV(params); // Use simplified mock for chart
 	});
 
-	Plotly.newPlot('condition-chart', [{
+	// Check if Plotly is available before using it
-		x: conditionRange,
+	if (typeof Plotly !== 'undefined') {
-		y: conditionValues,
+		Plotly.newPlot('condition-chart', [{
-		type: 'scatter',
+			x: conditionRange,
-		mode: 'lines+markers',
+			y: conditionValues,
-		line: { color: '#3b82f6', width: 3 },
+			type: 'scatter',
-		marker: { size: 6 },
+			mode: 'lines+markers',
-		name: 'FMV vs Condition'
+			line: { color: '#3b82f6', width: 3 },
-	}], {
+			marker: { size: 6 },
-		xaxis: { title: 'Condition Score (C)' },
+			name: 'FMV vs Condition'
-		yaxis: { title: 'FMV (€)' },
+		}], {
-		margin: { t: 20, b: 40, l: 60, r: 20 },
+			xaxis: { title: 'Condition Score (C)' },
-		font: { size: 12 }
+			yaxis: { title: 'FMV (€)' },
-	}, {responsive: true});
+			margin: { t: 20, b: 40, l: 60, r: 20 },
+			font: { size: 12 }
+		}, {responsive: true});
+	} else {
+		document.getElementById('condition-chart').innerHTML = '<div class="text-gray-500 text-sm p-4">Chart library not available (offline mode)</div>';
+	}
 
 	// Time sensitivity chart
 	const timeRange = Array.from({length: 20}, (_, i) => i * 5);
 	const timeValues = timeRange.map(t => {
 		const params = getInputParams();
-		params.t_close = t;
+		params.minutesUntilClose = t;
 		return calculateMockFinalPrice(params, calculateMockFMV(params));
 	});
 
-	Plotly.newPlot('time-chart', [{
+	// Check if Plotly is available before using it
-		x: timeRange,
+	if (typeof Plotly !== 'undefined') {
-		y: timeValues,
+		Plotly.newPlot('time-chart', [{
-		type: 'scatter',
+			x: timeRange,
-		mode: 'lines+markers',
+			y: timeValues,
-		line: { color: '#10b981', width: 3 },
+			type: 'scatter',
-		marker: { size: 6 },
+			mode: 'lines+markers',
-		name: 'Predicted Final vs Time'
+			line: { color: '#10b981', width: 3 },
-	}], {
+			marker: { size: 6 },
-		xaxis: { title: 'Time to Close (minutes)' },
+			name: 'Predicted Final vs Time'
-		yaxis: { title: 'Predicted Final Price (€)' },
+		}], {
-		margin: { t: 20, b: 40, l: 60, r: 20 },
+			xaxis: { title: 'Time to Close (minutes)' },
-		font: { size: 12 }
+			yaxis: { title: 'Predicted Final Price (€)' },
-	}, {responsive: true});
+			margin: { t: 20, b: 40, l: 60, r: 20 },
+			font: { size: 12 }
+		}, {responsive: true});
+	} else {
+		document.getElementById('time-chart').innerHTML = '<div class="text-gray-500 text-sm p-4">Chart library not available (offline mode)</div>';
+	}
 }
 
 // Simplified mock FMV for chart generation
@@ -857,22 +953,22 @@ function calculateMockFMV(params) {
 	let weightSum = 0;
 
 	comparables.forEach(comp => {
-		const wc = Math.exp(-CONSTANTS.lambda_c * Math.abs(params.c_target - comp.condition));
+		const wc = Math.exp(-CONSTANTS.lambda_c * Math.abs(params.conditionScore - comp.condition));
-		const wt = Math.exp(-CONSTANTS.lambda_t * Math.abs(params.t_target - comp.year));
+		const wt = Math.exp(-CONSTANTS.lambda_t * Math.abs(params.manufacturingYear - comp.year));
 		const weight = wc * wt;
 		weightedSum += comp.price * weight;
 		weightSum += weight;
 	});
 
 	let fmv = weightSum > 0 ? weightedSum / weightSum : 8000;
-	const mCond = Math.exp(CONSTANTS.alpha_c * Math.sqrt(params.c_target) - CONSTANTS.beta_c);
+	const mCond = Math.exp(CONSTANTS.alpha_c * Math.sqrt(params.conditionScore) - CONSTANTS.beta_c);
 	return fmv * mCond;
 }
 
 // Simplified mock final price for chart generation
 function calculateMockFinalPrice(params, fmv) {
-	const epsilon_bid = Math.tanh(CONSTANTS.phi_1 * params.lambda_b);
+	const epsilon_bid = Math.tanh(CONSTANTS.phi_1 * params.bidVelocity);
-	const epsilon_time = CONSTANTS.psi * Math.exp(-params.t_close / 30);
+	const epsilon_time = CONSTANTS.psi * Math.exp(-params.minutesUntilClose / 30);
 	return fmv * (1 + epsilon_bid + epsilon_time);
 }