refactor(mcp): consolidate ParameterDisplay into RequestDetailPanel

#371

- Move ParameterDisplay implementation into RequestDetailPanel file
- Simplify response duration label in ResponseDetailPanel
- Remove standalone ParameterDisplay.kt file

Author: phodal

core/src/main/kotlin/cc/unitmesh/devti/mcp/ui/eval/ParameterDisplay.kt

@@ -3,12 +3,18 @@ package cc.unitmesh.devti.mcp.ui.eval
 import cc.unitmesh.devti.mcp.ui.model.McpMessage
 import com.intellij.ui.JBColor
 import com.intellij.ui.components.JBLabel
+import com.intellij.ui.components.JBScrollPane
 import com.intellij.util.ui.JBUI
 import kotlinx.serialization.json.Json
+import kotlinx.serialization.json.JsonElement
 import kotlinx.serialization.json.jsonObject
 import java.awt.BorderLayout
+import java.awt.Dimension
 import java.awt.Font
 import javax.swing.*
+import kotlin.collections.component1
+import kotlin.collections.component2
+import kotlin.collections.forEach
 
 /**
  * Panel for displaying request details from MCP messages
@@ -61,3 +67,71 @@ class RequestDetailPanel : JPanel(BorderLayout()) {
         }
     }
 }
+
+/**
+ * A reusable component for displaying key-value parameters from JSON
+ */
+class ParameterDisplay : JPanel(BorderLayout()) {
+    private val contentPanel = JPanel().apply {
+        layout = BoxLayout(this, BoxLayout.Y_AXIS)
+        background = JBColor(0xFFFFFF, 0x2B2D30)
+        border = JBUI.Borders.empty(10)
+    }
+
+    init {
+        background = JBColor(0xFFFFFF, 0x2B2D30)
+        add(JBScrollPane(contentPanel), BorderLayout.CENTER)
+    }
+
+    fun displayParameters(parameters: Map<String, JsonElement>?) {
+        contentPanel.removeAll()
+
+        if (parameters == null || parameters.isEmpty()) {
+            contentPanel.add(JBLabel("No parameters").apply {
+                foreground = JBColor.GRAY
+                alignmentX = LEFT_ALIGNMENT
+            })
+        } else {
+            contentPanel.add(JBLabel("Parameters:").apply {
+                font = font.deriveFont(Font.BOLD, font.size + 1f)
+                alignmentX = LEFT_ALIGNMENT
+                border = JBUI.Borders.emptyBottom(10)
+            })
+
+            parameters.forEach { (key, value) ->
+                val paramPanel = JPanel(BorderLayout()).apply {
+                    background = contentPanel.background
+                    border = JBUI.Borders.emptyBottom(5)
+                    alignmentX = LEFT_ALIGNMENT
+                    maximumSize = Dimension(Int.MAX_VALUE, getPreferredSize().height)
+                }
+
+                paramPanel.add(JBLabel("$key:").apply {
+                    font = font.deriveFont(Font.BOLD)
+                    border = JBUI.Borders.emptyRight(10)
+                }, BorderLayout.WEST)
+
+                val valueText = formatJsonValue(value)
+                val valueTextArea = JTextArea(valueText).apply {
+                    lineWrap = true
+                    wrapStyleWord = true
+                    isEditable = false
+                    border = null
+                    background = contentPanel.background
+                }
+
+                paramPanel.add(valueTextArea, BorderLayout.CENTER)
+                contentPanel.add(paramPanel)
+            }
+        }
+
+        contentPanel.add(Box.createVerticalGlue())
+
+        contentPanel.revalidate()
+        contentPanel.repaint()
+    }
+
+    private fun formatJsonValue(element: JsonElement): String {
+        return element.toString()
+    }
+}

core/src/main/kotlin/cc/unitmesh/devti/mcp/ui/eval/RequestDetailPanel.kt

@@ -31,7 +31,7 @@ class ResponseDetailPanel : JPanel(BorderLayout()) {
     }
 
     init {
-        headerPanel.add(JBLabel("Response Duration:"))
+        headerPanel.add(JBLabel("Duration:"))
         headerPanel.add(durationLabel)
 
         add(headerPanel, BorderLayout.NORTH)