feat: 实现业务视图页面

登录、模型调优、评测、推理、对比、模型管理、数据集、数据处理、工具、系统（硬件/日志/训练日志）等全部业务页面视图。

frontend/src/views/model/MergeWeightsView.vue

@@ -0,0 +1,106 @@
+<script setup lang="ts">
+import { ref, reactive, computed, onMounted } from 'vue'
+import { useRoute, useRouter } from 'vue-router'
+import { ElMessage } from 'element-plus'
+import PageCard from '@/components/PageCard.vue'
+import { getTrainedModels, mergeModel } from '@/api/modules/model'
+import { TRAIN_METHOD_MAP } from '@/constants'
+import type { TrainedModel } from '@/types'
+
+const route = useRoute()
+const router = useRouter()
+const merging = ref(false)
+
+const modelName = computed(() => (route.query.model as string) || '')
+const method = computed(() => (route.query.method as string) || 'lora')
+
+const trainedModels = ref<TrainedModel[]>([])
+const currentModel = computed(() => trainedModels.value.find((m) => m.name === modelName.value))
+
+const form = reactive({
+  model_name: modelName.value,
+  train_method: method.value,
+  base_model_path: '',
+})
+
+async function loadModel() {
+  try {
+    const res = await getTrainedModels()
+    trainedModels.value = res?.models || []
+    const target = trainedModels.value.find((m) => m.name === modelName.value)
+    form.base_model_path = target?.base_model_path || ''
+  } catch {
+    // ignore
+  }
+}
+
+async function handleMerge() {
+  if (!form.model_name || !form.base_model_path) {
+    ElMessage.warning('缺少模型信息')
+    return
+  }
+  merging.value = true
+  try {
+    await mergeModel({
+      model_name: form.model_name,
+      train_method: form.train_method,
+      base_model_path: form.base_model_path,
+    })
+    ElMessage.success('合并成功')
+    router.push('/model-manage')
+  } catch {
+    // ignore
+  } finally {
+    merging.value = false
+  }
+}
+
+function handleCancel() {
+  router.back()
+}
+
+onMounted(loadModel)
+</script>
+
+<template>
+  <PageCard title="合并权重">
+    <el-alert
+      type="info"
+      :closable="false"
+      show-icon
+      title="将 LoRA 适配器权重合并到基座模型，合并后可直接用于推理部署。"
+      style="margin-bottom: 20px"
+    />
+
+    <el-form label-width="120px" style="max-width: 600px">
+      <el-form-item label="模型名称">
+        <el-input v-model="form.model_name" disabled />
+      </el-form-item>
+      <el-form-item label="训练方法">
+        <el-input :model-value="TRAIN_METHOD_MAP[form.train_method] || form.train_method" disabled />
+      </el-form-item>
+      <el-form-item label="基座模型路径">
+        <el-input v-model="form.base_model_path" placeholder="基座模型路径" />
+      </el-form-item>
+
+      <el-form-item>
+        <el-button type="primary" :loading="merging" @click="handleMerge">
+          {{ merging ? '合并中...' : '开始合并' }}
+        </el-button>
+        <el-button @click="handleCancel">取消</el-button>
+      </el-form-item>
+    </el-form>
+
+    <div v-if="currentModel" class="model-status">
+      <el-tag v-if="currentModel.merging" type="warning">合并中</el-tag>
+      <el-tag v-else-if="currentModel.merged" type="success">已合并</el-tag>
+      <el-tag v-else type="info">未合并</el-tag>
+    </div>
+  </PageCard>
+</template>
+
+<style scoped>
+.model-status {
+  margin-top: 20px;
+}
+</style>