Update daily summaries to show unified ELO change instead of separate singles/doubles

logs/pickleball.log

@@ -1016,3 +1016,16 @@ Starting Pickleball ELO Tracker Server on port 3000...
 ➕ Add Player: http://localhost:3000/players/new
 🎾 Record Match: http://localhost:3000/matches/new
 
+🏓 Pickleball ELO Tracker v3.0
+==============================
+
+Starting Pickleball ELO Tracker Server on port 3000...
+
+✅ Server running at http://localhost:3000
+📊 Leaderboard: http://localhost:3000/leaderboard
+📜 Match History: http://localhost:3000/matches
+👥 Players: http://localhost:3000/players
+⚖️  Team Balancer: http://localhost:3000/balance
+➕ Add Player: http://localhost:3000/players/new
+🎾 Record Match: http://localhost:3000/matches/new
+

src/main.rs

@@ -2273,21 +2273,15 @@ async fn daily_summary_handler(
     .unwrap_or_default();
     
     let mut players_html = String::new();
-    for (name, email, singles_change, doubles_change) in &player_rating_changes {
+    for (name, _email, singles_change, doubles_change) in &player_rating_changes {
-        let format_change = |c: f64| {
-            if c > 0.0 { format!("<span style='color:#28a745;'>+{:.0}</span>", c) }
-            else if c < 0.0 { format!("<span style='color:#dc3545;'>{:.0}</span>", c) }
-            else { "—".to_string() }
-        };
         let total = singles_change + doubles_change;
         let total_str = if total > 0.0 { format!("<span style='color:#28a745;font-weight:bold;'>+{:.0}</span>", total) }
             else if total < 0.0 { format!("<span style='color:#dc3545;font-weight:bold;'>{:.0}</span>", total) }
             else { "—".to_string() };
-        let has_email = if !email.is_empty() { "✅" } else { "❌" };
         
         players_html.push_str(&format!(
-            "<tr><td>{}</td><td>{}</td><td style='text-align:center;'>{}</td><td style='text-align:center;'>{}</td><td style='text-align:center;'>{}</td></tr>",
+            "<tr><td>{}</td><td style='text-align:center;'>{}</td></tr>",
-            name, has_email, format_change(*singles_change), format_change(*doubles_change), total_str
+            name, total_str
         ));
     }
     
@@ -2564,10 +2558,7 @@ async fn daily_summary_handler(
                 <thead>
                     <tr>
                         <th>Player</th>
-                        <th>Email</th>
+                        <th>ELO Δ</th>
-                        <th>Singles Δ</th>
-                        <th>Doubles Δ</th>
-                        <th>Total</th>
                     </tr>
                 </thead>
                 <tbody>
@@ -2738,19 +2729,14 @@ async fn send_daily_summary(
     
     let mut players_email_html = String::new();
     for (name, singles_change, doubles_change) in &player_rating_changes {
-        let format_change = |c: f64| {
-            if c > 0.0 { format!("<span style='color:#28a745;'>+{:.0}</span>", c) }
-            else if c < 0.0 { format!("<span style='color:#dc3545;'>{:.0}</span>", c) }
-            else { "—".to_string() }
-        };
         let total = singles_change + doubles_change;
         let total_str = if total > 0.0 { format!("<span style='color:#28a745;font-weight:bold;'>+{:.0}</span>", total) }
             else if total < 0.0 { format!("<span style='color:#dc3545;font-weight:bold;'>{:.0}</span>", total) }
             else { "—".to_string() };
         
         players_email_html.push_str(&format!(
-            "<tr><td>{}</td><td style='text-align:center;'>{}</td><td style='text-align:center;'>{}</td><td style='text-align:center;'>{}</td></tr>",
+            "<tr><td>{}</td><td style='text-align:center;'>{}</td></tr>",
-            name, format_change(*singles_change), format_change(*doubles_change), total_str
+            name, total_str
         ));
     }
     
@@ -2982,9 +2968,7 @@ async fn send_daily_summary(
             <table style="width: 100%; border-collapse: collapse;">
                 <tr style="background: #003594; color: white;">
                     <th style="padding: 8px; text-align: left;">Player</th>
-                    <th style="padding: 8px; text-align: center;">Singles Δ</th>
+                    <th style="padding: 8px; text-align: center;">ELO Δ</th>
-                    <th style="padding: 8px; text-align: center;">Doubles Δ</th>
-                    <th style="padding: 8px; text-align: center;">Total</th>
                 </tr>
                 {}
             </table>
@@ -3136,19 +3120,14 @@ async fn daily_public_handler(
     
     let mut players_html = String::new();
     for (name, singles_change, doubles_change) in &player_rating_changes {
-        let format_change = |c: f64| {
-            if c > 0.0 { format!("<span style='color:#28a745;'>+{:.0}</span>", c) }
-            else if c < 0.0 { format!("<span style='color:#dc3545;'>{:.0}</span>", c) }
-            else { "—".to_string() }
-        };
         let total = singles_change + doubles_change;
         let total_str = if total > 0.0 { format!("<span style='color:#28a745;font-weight:bold;'>+{:.0}</span>", total) }
             else if total < 0.0 { format!("<span style='color:#dc3545;font-weight:bold;'>{:.0}</span>", total) }
             else { "—".to_string() };
         
         players_html.push_str(&format!(
-            "<tr><td>{}</td><td style='text-align:center;'>{}</td><td style='text-align:center;'>{}</td><td style='text-align:center;'>{}</td></tr>",
+            "<tr><td>{}</td><td style='text-align:center;'>{}</td></tr>",
-            name, format_change(*singles_change), format_change(*doubles_change), total_str
+            name, total_str
         ));
     }
     
@@ -3436,7 +3415,7 @@ async fn daily_public_handler(
             <h2>📈 Player Performance</h2>
             <table>
                 <thead>
-                    <tr><th>Player</th><th>Singles Δ</th><th>Doubles Δ</th><th>Total</th></tr>
+                    <tr><th>Player</th><th>ELO Δ</th></tr>
                 </thead>
                 <tbody>{}</tbody>
             </table>