Clarify odds scanner alert displays

src/embeds.js

@@ -668,8 +668,9 @@ export function buildSteamEmbed(title, rows, filters = {}) {
     rows.map((row, index) => ({
       name: `${index + 1}. ${row.playerName} - ${row.marketLabel}`,
       value: [
-        `Moved Book: ${row.movedBook} | ${row.oldOddsInput} -> ${row.newOddsInput}`,
-        `Sharp: ${row.sharpBook} @ ${row.sharpOddsInput} | Delta: ${formatPercent(row.impliedDeltaPct * 100)}`,
+        `Selection: ${formatSelection(row.side, row.lineValue)}`,
+        `Moved Book: ${row.movedBook} | ${formatAmericanOdds(row.oldOddsInput)} -> ${formatAmericanOdds(row.newOddsInput)}`,
+        `Sharp: ${row.sharpBook} @ ${formatAmericanOdds(row.sharpOddsInput)} | Delta: ${formatPercent(row.impliedDeltaPct * 100)}`,
       ].join('\n'),
       inline: false,
     }))
@@ -684,8 +685,9 @@ export function buildSharpAlertEmbed(row) {
     .setTitle('Sharp Edge Alert')
     .setDescription(`${row.playerName} - ${row.marketLabel}`)
     .addFields(
-      { name: 'Sharp', value: `${row.sharpBook} @ ${row.sharpOddsInput}`, inline: true },
-      { name: 'Best Soft', value: `${row.bestSoftBook} @ ${row.bestSoftOddsInput}`, inline: true },
+      { name: 'Selection', value: formatSelection(row.side, row.lineValue), inline: true },
+      { name: 'Sharp', value: `${row.sharpBook} @ ${formatAmericanOdds(row.sharpOddsInput)}`, inline: true },
+      { name: 'Best Soft', value: `${row.bestSoftBook} @ ${formatAmericanOdds(row.bestSoftOddsInput)}`, inline: true },
       { name: 'Edge', value: formatPercent(row.edgeImpliedPct * 100), inline: true },
       { name: 'Width', value: formatPercent(row.marketWidthPct * 100), inline: true },
       { name: 'Books Compared', value: String(row.booksCompared), inline: true },
@@ -699,8 +701,9 @@ export function buildStaleBookAlertEmbed(row, staleEntry) {
     .setTitle('Stale Book Alert')
     .setDescription(`${row.playerName} - ${row.marketLabel}`)
     .addFields(
-      { name: 'Sharp', value: `${row.sharpBook} @ ${row.sharpOddsInput}`, inline: true },
-      { name: 'Stale Book', value: `${staleEntry.book} @ ${staleEntry.oddsInput}`, inline: true },
+      { name: 'Selection', value: formatSelection(row.side, row.lineValue), inline: true },
+      { name: 'Sharp', value: `${row.sharpBook} @ ${formatAmericanOdds(row.sharpOddsInput)}`, inline: true },
+      { name: 'Stale Book', value: `${staleEntry.book} @ ${formatAmericanOdds(staleEntry.oddsInput)}`, inline: true },
       { name: 'Current Edge', value: formatPercent(((row.sharpImpliedProbability ?? 0) - (staleEntry.impliedProbability ?? 0)) * 100), inline: true },
     )
     .setFooter({ text: 'Sharp and at least one other book moved, but this book did not.' });
@@ -712,8 +715,13 @@ export function buildReverseAlertEmbed(row, movement) {
     .setTitle('Reverse Alert')
     .setDescription(`${row.playerName} - ${row.marketLabel}`)
     .addFields(
-      { name: 'Sharp', value: `${row.sharpBook} @ ${row.sharpOddsInput}`, inline: true },
-      { name: 'Soft Move', value: `${movement.book} ${movement.previousEntry.oddsInput} -> ${movement.currentEntry.oddsInput}`, inline: true },
+      { name: 'Selection', value: formatSelection(row.side, row.lineValue), inline: true },
+      { name: 'Sharp', value: `${row.sharpBook} @ ${formatAmericanOdds(row.sharpOddsInput)}`, inline: true },
+      {
+        name: 'Soft Move',
+        value: `${movement.book} ${formatSelection(movement.currentEntry.side, movement.currentEntry.lineValue)} ${formatAmericanOdds(movement.previousEntry.oddsInput)} -> ${formatAmericanOdds(movement.currentEntry.oddsInput)}`,
+        inline: true,
+      },
       { name: 'Move Size', value: formatPercent(movement.impliedDeltaPct * 100), inline: true },
     )
     .setFooter({ text: 'A soft book moved materially while the sharp book stayed flat.' });
@@ -989,6 +997,24 @@ function formatSignedCurrency(value) {
   return `${value >= 0 ? '+' : '-'}${formatCurrency(Math.abs(value))}`;
 }
 
+function formatAmericanOdds(value) {
+  const stringValue = String(value ?? '').trim();
+  if (!stringValue) {
+    return 'N/A';
+  }
+
+  const numeric = Number(stringValue);
+  if (!Number.isFinite(numeric)) {
+    return stringValue;
+  }
+
+  if (numeric > 0) {
+    return `+${numeric}`;
+  }
+
+  return `${numeric}`;
+}
+
 function formatPercent(value) {
   return `${value >= 0 ? '+' : ''}${value.toFixed(2)}%`;
 }
@@ -997,6 +1023,20 @@ function formatUnits(value) {
   return `${(value ?? 0).toFixed(2)}u`;
 }
 
+function formatSelection(side, lineValue) {
+  const normalizedSide = String(side ?? '').trim().toLowerCase();
+  const sideLabel = {
+    over: 'Over',
+    under: 'Under',
+    yes: 'Yes',
+    no: 'No',
+  }[normalizedSide] ?? (normalizedSide ? normalizedSide.toUpperCase() : 'Unknown');
+
+  return lineValue !== null && lineValue !== undefined
+    ? `${sideLabel} ${lineValue}`
+    : sideLabel;
+}
+
 function truncate(value, maxLength) {
   if (value.length <= maxLength) {
     return value;

test/alerts.test.js

@@ -6,6 +6,7 @@ import {
   buildAlertsEmbed,
   buildCommandsEmbed,
   buildAlertRoleButtonId,
+  buildReverseAlertEmbed,
   parseAlertRoleButtonId,
 } from '../src/embeds.js';
 
@@ -41,3 +42,35 @@ test('builds two rows of alert role buttons and round-trips custom ids', () => {
   const customId = buildAlertRoleButtonId('RIIPAlerts');
   assert.equal(parseAlertRoleButtonId(customId), 'RIIPAlerts');
 });
+
+test('builds reverse alerts with explicit selection and signed odds', () => {
+  const embed = buildReverseAlertEmbed(
+    {
+      playerName: 'Shane Smith',
+      marketLabel: 'Pitcher Strikeouts',
+      side: 'over',
+      lineValue: 5.5,
+      sharpBook: 'BetMGM',
+      sharpOddsInput: '100',
+    },
+    {
+      book: 'DraftKings',
+      impliedDeltaPct: 0.0327,
+      previousEntry: {
+        side: 'over',
+        lineValue: 5.5,
+        oddsInput: '114',
+      },
+      currentEntry: {
+        side: 'over',
+        lineValue: 5.5,
+        oddsInput: '100',
+      },
+    },
+  ).toJSON();
+
+  assert.equal(embed.fields[0].name, 'Selection');
+  assert.equal(embed.fields[0].value, 'Over 5.5');
+  assert.match(embed.fields[1].value, /BetMGM @ \+100/);
+  assert.match(embed.fields[2].value, /DraftKings Over 5\.5 \+114 -> \+100/);
+});