fix: markdown parse mode breaking some plugins

internal/platform/telegram/telegram.go

@@ -235,7 +235,15 @@ func (t *TelegramPlatform) SendMessage(msg *model.Message) error {
 	payload := map[string]interface{}{
 		"chat_id": chatID,
 		"text":    msg.Text,
-		"parse_mode": "Markdown",
+	}
+	
+	// Set parse_mode based on plugin preference or default to Markdown
+	if msg.Raw != nil && msg.Raw["parse_mode"] != nil {
+		// Plugin explicitly set parse_mode
+		payload["parse_mode"] = msg.Raw["parse_mode"]
+	} else {
+		// Default to Markdown for backward compatibility
+		payload["parse_mode"] = "Markdown"
 	}
 
 	// Add reply if needed

internal/plugin/fun/hltb.go

@@ -131,12 +131,15 @@ func (p *HLTBPlugin) OnMessage(msg *model.Message, config map[string]interface{}
 		Channel: msg.Channel,
 	}
 
-	// Add game cover as attachment if available
-	if game.GameImage != "" {
-		imageURL := p.getFullImageURL(game.GameImage)
+	// Set parse mode for markdown formatting
 	if responseMsg.Raw == nil {
 		responseMsg.Raw = make(map[string]interface{})
 	}
+	responseMsg.Raw["parse_mode"] = "Markdown"
+
+	// Add game cover as attachment if available
+	if game.GameImage != "" {
+		imageURL := p.getFullImageURL(game.GameImage)
 		responseMsg.Raw["image_url"] = imageURL
 	}
 

internal/plugin/help/help.go

@@ -74,6 +74,7 @@ func (p *HelpPlugin) OnMessage(msg *model.Message, config map[string]interface{}
 			Chat:    msg.Chat,
 			ReplyTo: msg.ID,
 			Channel: msg.Channel,
+			Raw:     map[string]interface{}{"parse_mode": "Markdown"},
 		}
 
 		return []*model.MessageAction{
@@ -151,6 +152,7 @@ func (p *HelpPlugin) OnMessage(msg *model.Message, config map[string]interface{}
 		Chat:    msg.Chat,
 		ReplyTo: msg.ID,
 		Channel: msg.Channel,
+		Raw:     map[string]interface{}{"parse_mode": "Markdown"},
 	}
 
 	return []*model.MessageAction{

internal/plugin/social/twitter.go

@@ -75,6 +75,7 @@ func (p *TwitterExpander) OnMessage(msg *model.Message, config map[string]interf
 		Chat:    msg.Chat,
 		ReplyTo: msg.ID,
 		Channel: msg.Channel,
+		Raw:     map[string]interface{}{"parse_mode": ""},
 	}
 
 	action := &model.MessageAction{

internal/plugin/social/twitter_test.go

@@ -0,0 +1,120 @@
+package social
+
+import (
+	"testing"
+
+	"git.nakama.town/fmartingr/butterrobot/internal/model"
+)
+
+func TestTwitterExpander_OnMessage(t *testing.T) {
+	plugin := NewTwitterExpander()
+
+	tests := []struct {
+		name     string
+		input    string
+		config   map[string]interface{}
+		expected string
+		hasReply bool
+	}{
+		{
+			name:     "Twitter URL with default domain",
+			input:    "https://twitter.com/user/status/123456789",
+			config:   map[string]interface{}{},
+			expected: "https://fxtwitter.com/user/status/123456789",
+			hasReply: true,
+		},
+		{
+			name:     "X.com URL with custom domain",
+			input:    "https://x.com/elonmusk/status/987654321",
+			config:   map[string]interface{}{"domain": "vxtwitter.com"},
+			expected: "https://vxtwitter.com/elonmusk/status/987654321",
+			hasReply: true,
+		},
+		{
+			name:     "Twitter URL with tracking parameters",
+			input:    "https://twitter.com/openai/status/555?ref_src=twsrc%5Etfw&s=20",
+			config:   map[string]interface{}{},
+			expected: "https://fxtwitter.com/openai/status/555",
+			hasReply: true,
+		},
+		{
+			name:     "www.twitter.com URL",
+			input:    "https://www.twitter.com/user/status/789",
+			config:   map[string]interface{}{"domain": "nitter.net"},
+			expected: "https://nitter.net/user/status/789",
+			hasReply: true,
+		},
+		{
+			name:     "Mixed text with Twitter URL",
+			input:    "Check this out: https://twitter.com/user/status/123 amazing!",
+			config:   map[string]interface{}{},
+			expected: "Check this out: https://fxtwitter.com/user/status/123 amazing!",
+			hasReply: true,
+		},
+		{
+			name:     "No Twitter URLs",
+			input:    "Just some regular text https://youtube.com/watch?v=abc",
+			config:   map[string]interface{}{},
+			expected: "",
+			hasReply: false,
+		},
+		{
+			name:     "Empty message",
+			input:    "",
+			config:   map[string]interface{}{},
+			expected: "",
+			hasReply: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			msg := &model.Message{
+				ID:   "test_msg",
+				Text: tt.input,
+				Chat: "test_chat",
+				Channel: &model.Channel{
+					ID:                1,
+					Platform:          "telegram",
+					PlatformChannelID: "test_chat",
+				},
+			}
+
+			actions := plugin.OnMessage(msg, tt.config, nil)
+
+			if !tt.hasReply {
+				if len(actions) != 0 {
+					t.Errorf("Expected no actions, got %d", len(actions))
+				}
+				return
+			}
+
+			if len(actions) != 1 {
+				t.Errorf("Expected 1 action, got %d", len(actions))
+				return
+			}
+
+			action := actions[0]
+			if action.Type != model.ActionSendMessage {
+				t.Errorf("Expected ActionSendMessage, got %s", action.Type)
+			}
+
+			if action.Message == nil {
+				t.Error("Expected message in action, got nil")
+				return
+			}
+
+			if action.Message.Text != tt.expected {
+				t.Errorf("Expected '%s', got '%s'", tt.expected, action.Message.Text)
+			}
+
+			if action.Message.ReplyTo != msg.ID {
+				t.Errorf("Expected ReplyTo '%s', got '%s'", msg.ID, action.Message.ReplyTo)
+			}
+
+			if action.Message.Raw == nil || action.Message.Raw["parse_mode"] != "" {
+				t.Error("Expected parse_mode to be empty string to disable markdown parsing")
+			}
+		})
+	}
+}