feat: add up emoji to karma boosts

docs/plugins.md

@@ -795,7 +795,7 @@ project--
 - karma tracks case-insensitive thing++ and thing-- changes.
 - thing++ and thing-- also work as standalone ordinary chat messages. GoBot
   confirms each update in one compact line, such as
-  `Karma boost! thing +1 (total +2)`; command messages are not treated as
+  `🆙 Karma boost! thing +1 (total +2)`; command messages are not treated as
   karma changes.
 - Positive karma milestones at +10, +25, +50, and +100 add a highlighted
   trophy notice when the total crosses the threshold.

plugins/karma.go

@@ -109,7 +109,7 @@ func formatKarmaUpdates(updates []karmaUpdate) string {
 	}
 	message := ""
 	if positive {
-		message = ircColor(ircGreen, "Karma boost! "+strings.Join(details, ", ")+" ✨ 🎯 🌟 💫")
+		message = ircColor(ircGreen, "🆙 Karma boost! "+strings.Join(details, ", ")+" ✨ 🎯 🌟 💫")
 	} else if negative {
 		message = ircColor(ircRed, "Karma dip! "+strings.Join(details, ", ")+" 📉 🌀 💥 😬")
 	} else {

plugins/karma_test.go

@@ -29,7 +29,7 @@ func TestKarmaRegex(t *testing.T) {
 
 func TestKarmaUpdateMessageIsColorfulAndCompact(t *testing.T) {
 	message := formatKarmaUpdates([]karmaUpdate{{key: "echo", delta: 1, value: 4}})
-	if !strings.Contains(message, "Karma boost! echo") {
+	if !strings.Contains(message, "🆙 Karma boost! echo") {
 		t.Fatalf("unexpected karma message: %q", message)
 	}
 	if !strings.Contains(message, "✨ 🎯 🌟 💫") {