feat: /model command for switching to vision model

packages/cli/src/ui/components/ModelSelectionDialog.tsx

@@ -0,0 +1,87 @@
+/**
+ * @license
+ * Copyright 2025 Qwen
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import React from 'react';
+import { Box, Text } from 'ink';
+import { Colors } from '../colors.js';
+import {
+  RadioButtonSelect,
+  RadioSelectItem,
+} from './shared/RadioButtonSelect.js';
+import { useKeypress } from '../hooks/useKeypress.js';
+import { AvailableModel } from '../models/availableModels.js';
+
+export interface ModelSelectionDialogProps {
+  availableModels: AvailableModel[];
+  currentModel: string;
+  onSelect: (modelId: string) => void;
+  onCancel: () => void;
+}
+
+export const ModelSelectionDialog: React.FC<ModelSelectionDialogProps> = ({
+  availableModels,
+  currentModel,
+  onSelect,
+  onCancel,
+}) => {
+  useKeypress(
+    (key) => {
+      if (key.name === 'escape') {
+        onCancel();
+      }
+    },
+    { isActive: true },
+  );
+
+  const options: Array<RadioSelectItem<string>> = availableModels.map(
+    (model) => {
+      const visionIndicator = model.isVision ? ' [Vision]' : '';
+      const currentIndicator = model.id === currentModel ? ' (current)' : '';
+      return {
+        label: `${model.label}${visionIndicator}${currentIndicator}`,
+        value: model.id,
+      };
+    },
+  );
+
+  const initialIndex = Math.max(
+    0,
+    availableModels.findIndex((model) => model.id === currentModel),
+  );
+
+  const handleSelect = (modelId: string) => {
+    onSelect(modelId);
+  };
+
+  return (
+    <Box
+      flexDirection="column"
+      borderStyle="round"
+      borderColor={Colors.AccentBlue}
+      padding={1}
+      width="100%"
+      marginLeft={1}
+    >
+      <Box flexDirection="column" marginBottom={1}>
+        <Text bold>Select Model</Text>
+        <Text>Choose a model for this session:</Text>
+      </Box>
+
+      <Box marginBottom={1}>
+        <RadioButtonSelect
+          items={options}
+          initialIndex={initialIndex}
+          onSelect={handleSelect}
+          isFocused
+        />
+      </Box>
+
+      <Box>
+        <Text color={Colors.Gray}>Press Enter to select, Esc to cancel</Text>
+      </Box>
+    </Box>
+  );
+};