code-review-fix task 12.12: remove dead no-op filter code from page.tsx

src/app/page.tsx

@@ -56,15 +56,9 @@ function detectDisagreements(
   const matchedHumanIds = new Set<number>();
   const matchedPredictionIndices = new Set<number>();
   
-  // Filter human spans to only those with a source of "human" (not programmatic)
-  const humanOnlySpans = humanSpans.filter(span => {
-    // Assuming human-created spans don't have a source field or have source="human"
-    // This will be properly implemented when we add the source field
-    return true; // For now, consider all spans
-  });
 
   // Find matches and label mismatches
-  humanOnlySpans.forEach((humanSpan) => {
+  humanSpans.forEach((humanSpan) => {
     predictionSpans.forEach((predSpan, predIdx) => {
       const overlap = calculateOverlap(
         humanSpan.start_time,
@@ -96,7 +90,7 @@ function detectDisagreements(
   });
 
   // Find spans missed by model (human annotation but no prediction)
-  humanOnlySpans.forEach((humanSpan) => {
+  humanSpans.forEach((humanSpan) => {
     if (!matchedHumanIds.has(humanSpan.id)) {
       disagreements.push({
         type: 'missed_by_model',
@@ -125,7 +119,7 @@ function detectDisagreements(
 
   return {
     total_predictions: predictionSpans.length,
-    total_human_annotations: humanOnlySpans.length,
+    total_human_annotations: humanSpans.length,
     agreements,
     disagreements,
   };