Fix markdown RPC message rendering for consistent styling

- Add backticks around "resp" to match method styling
- Remove unnecessary space before newline in code block formatting
- Update tests to reflect consistent backtick usage

Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>

Author: Copilot

internal/logger/rpc_logger.go

@@ -199,7 +199,7 @@ func formatRPCMessageMarkdown(info *RPCMessageInfo) string {
 		if info.Method != "" {
 			message = fmt.Sprintf("**%s**%s`%s`", info.ServerID, dir, info.Method)
 		} else {
-			message = fmt.Sprintf("**%s**%sresp", info.ServerID, dir)
+			message = fmt.Sprintf("**%s**%s`resp`", info.ServerID, dir)
 		}
 	}
 
@@ -212,7 +212,7 @@ func formatRPCMessageMarkdown(info *RPCMessageInfo) string {
 			if !isEmpty {
 				// Valid JSON: use code block for better readability (pretty printed)
 				// Empty line before ~~~ per markdown convention
-				message += fmt.Sprintf(" \n\n~~~\n%s\n~~~", formatted)
+				message += fmt.Sprintf("\n\n~~~\n%s\n~~~", formatted)
 			}
 		} else {
 			// Invalid JSON: use inline backticks to avoid malformed markdown

internal/logger/rpc_logger_test.go

@@ -206,7 +206,7 @@ func TestFormatRPCMessageMarkdown(t *testing.T) {
 				PayloadSize: 100,
 				Payload:     `{"result":{}}`,
 			},
-			want:    []string{"**github**←resp", "~~~", `"result"`},
+			want:    []string{"**github**←`resp`", "~~~", `"result"`},
 			notWant: []string{`"jsonrpc"`, `"method"`},
 		},
 		{
@@ -218,7 +218,7 @@ func TestFormatRPCMessageMarkdown(t *testing.T) {
 				PayloadSize: 100,
 				Error:       "Connection timeout",
 			},
-			want:    []string{"**github**←resp", "⚠️`Connection timeout`"},
+			want:    []string{"**github**←`resp`", "⚠️`Connection timeout`"},
 			notWant: []string{},
 		},
 		{
@@ -475,7 +475,7 @@ func TestLogRPCResponse(t *testing.T) {
 	}
 
 	mdStr := string(mdContent)
-	expectedInMd := []string{"**github**←resp", "⚠️`backend connection failed`"}
+	expectedInMd := []string{"**github**←`resp`", "⚠️`backend connection failed`"}
 	for _, expected := range expectedInMd {
 		if !strings.Contains(mdStr, expected) {
 			t.Errorf("Markdown log does not contain %q", expected)