feat: add models compare

src/pages/playground/style/content-item.less

@@ -0,0 +1,17 @@
+.content-item {
+  margin-bottom: 12px;
+
+  &-role {
+    display: flex;
+    align-items: center;
+    font-weight: var(--font-weight-bold);
+    margin-bottom: 8px;
+  }
+
+  &-content {
+    word-break: break-word;
+    padding: 8px;
+    border-radius: var(--border-radius-mini);
+    background-color: var(--ant-color-fill-tertiary);
+  }
+}

src/pages/playground/style/multiple-chat.less

@@ -2,7 +2,6 @@
   display: flex;
   flex-direction: column;
   justify-content: space-between;
-  height: calc(100vh - 72px);
 
   .chat-list {
     flex: 1;

src/pages/playground/style/prompt-modal.less

@@ -0,0 +1,46 @@
+.prompt-wrapper {
+  display: flex;
+  flex-direction: column;
+  gap: 16px;
+
+  .title {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+
+    .text {
+      font-weight: var(--font-weight-bold);
+    }
+  }
+
+  .prompt-item {
+    display: flex;
+    flex-direction: column;
+    border: 1px solid var(--ant-color-border);
+    border-radius: var(--border-radius-base);
+    min-height: 150px;
+    padding: 10px 12px;
+    gap: 8px;
+
+    .data-item {
+      display: flex;
+      justify-content: flex-start;
+      align-items: start;
+    }
+
+    .role {
+      display: flex;
+      width: 60px;
+      flex-basis: 60px;
+      font-weight: var(--font-weight-bold);
+      margin-bottom: 8px;
+    }
+
+    .prompt {
+      flex: 1;
+      padding: 8px;
+      border-radius: var(--border-radius-mini);
+      background-color: var(--ant-color-fill-tertiary);
+    }
+  }
+}