feat: 完善成长路径管理功能

新增功能：
1. 阶段自定义管理 - 添加/删除/编辑阶段名称
2. 列表分页功能
3. 状态筛选（启用/禁用）
4. 课程分类筛选
5. 岗位全选按钮
6. 创建时间列显示
7. 点击必修/选修标签直接切换

画布高度根据阶段数量动态调整

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/views/manager/growth-path-management.vue

@@ -10,7 +10,7 @@
             placeholder="筛选岗位" 
             clearable 
             style="width: 180px"
-            @change="loadGrowthPaths"
+            @change="handleFilterChange"
           >
             <el-option label="全部岗位" :value="undefined" />
             <el-option 
@@ -20,6 +20,17 @@
               :value="pos.id" 
             />
           </el-select>
+          <el-select 
+            v-model="filters.is_active" 
+            placeholder="状态" 
+            clearable 
+            style="width: 120px"
+            @change="handleFilterChange"
+          >
+            <el-option label="全部状态" :value="undefined" />
+            <el-option label="已启用" :value="true" />
+            <el-option label="已禁用" :value="false" />
+          </el-select>
           <el-button type="primary" @click="handleCreatePath">
             <el-icon class="el-icon--left"><Plus /></el-icon>
             新建路径
@@ -56,6 +67,9 @@
           <el-table-column prop="estimated_duration_days" label="预计天数" width="100" align="center">
             <template #default="{ row }">{{ row.estimated_duration_days || '-' }} 天</template>
           </el-table-column>
+          <el-table-column prop="created_at" label="创建时间" width="180">
+            <template #default="{ row }">{{ formatDateTime(row.created_at) }}</template>
+          </el-table-column>
           <el-table-column label="操作" width="200" fixed="right">
             <template #default="{ row }">
               <el-button link type="primary" @click="handleEditPath(row)">编辑</el-button>
@@ -66,6 +80,20 @@
             </template>
           </el-table-column>
         </el-table>
+
+        <!-- 分页 -->
+        <div class="pagination-wrapper" v-if="total > 0">
+          <el-pagination
+            v-model:current-page="pagination.page"
+            v-model:page-size="pagination.page_size"
+            :total="total"
+            :page-sizes="[10, 20, 50]"
+            layout="total, sizes, prev, pager, next"
+            @size-change="loadGrowthPaths"
+            @current-change="loadGrowthPaths"
+          />
+        </div>
+
         <el-empty v-if="!loading && growthPaths.length === 0" description="暂无成长路径">
           <el-button type="primary" @click="handleCreatePath">创建第一个路径</el-button>
         </el-empty>
@@ -98,15 +126,21 @@
             <el-input v-model="editingPath.name" placeholder="请输入路径名称" style="width: 200px" />
           </el-form-item>
           <el-form-item label="关联岗位">
+            <div class="position-select-wrapper">
               <el-select 
                 v-model="editingPath.position_ids" 
                 placeholder="选择岗位" 
                 multiple
                 collapse-tags
+                collapse-tags-tooltip
                 style="width: 200px"
               >
                 <el-option v-for="pos in positions" :key="pos.id" :label="pos.name" :value="pos.id" />
               </el-select>
+              <el-button link type="primary" size="small" @click="handleSelectAllPositions" class="select-all-btn">
+                {{ isAllPositionsSelected ? '取消全选' : '全选' }}
+              </el-button>
+            </div>
           </el-form-item>
           <el-form-item label="预计天数">
             <el-input-number v-model="editingPath.estimated_duration_days" :min="1" :max="365" />
@@ -117,10 +151,40 @@
         </el-form>
       </div>
 
+      <!-- 阶段管理栏 -->
+      <div class="stages-bar">
+        <div class="stages-header">
+          <span class="stages-title">学习阶段</span>
+          <el-button link type="primary" size="small" @click="addStage">
+            <el-icon><Plus /></el-icon> 添加阶段
+          </el-button>
+        </div>
+        <div class="stages-list">
+          <div v-for="(stage, index) in editingPath.stages" :key="index" class="stage-tag">
+            <span class="stage-order">{{ index + 1 }}</span>
+            <el-input 
+              v-model="stage.name" 
+              placeholder="阶段名称"
+              size="small"
+              style="width: 100px"
+            />
+            <el-button 
+              link 
+              type="danger" 
+              size="small" 
+              @click="removeStage(index)"
+              :disabled="editingPath.stages.length <= 1"
+            >
+              <el-icon><Delete /></el-icon>
+            </el-button>
+          </div>
+        </div>
+      </div>
+
       <!-- 操作提示 -->
       <el-alert type="info" :closable="false" style="margin-bottom: 12px">
         <template #title>
-          <span>操作提示：从左侧拖拽课程到画布 | 拖拽节点右侧圆点可连接到其他课程（箭头表示前置依赖） | 节点位置决定所属阶段</span>
+          <span>操作提示：从左侧拖拽课程到画布 | 拖拽节点右侧圆点可连接到其他课程（箭头表示前置依赖） | 节点位置决定所属阶段 | 点击必修/选修标签可快速切换</span>
         </template>
       </el-alert>
 
@@ -139,6 +203,20 @@
                 <el-icon><Search /></el-icon>
               </template>
             </el-input>
+            <el-select 
+              v-model="courseCategory" 
+              placeholder="分类" 
+              clearable 
+              size="small"
+              style="width: 100px; margin-top: 8px"
+            >
+              <el-option 
+                v-for="cat in courseCategories" 
+                :key="cat" 
+                :label="cat" 
+                :value="cat" 
+              />
+            </el-select>
           </div>
           
           <div class="library-content" v-loading="coursesLoading">
@@ -183,11 +261,11 @@
             @mouseup="handleCanvasMouseUp"
             ref="canvasRef"
           >
-            <div class="canvas-inner" ref="canvasInnerRef">
+            <div class="canvas-inner" ref="canvasInnerRef" :style="{ minHeight: canvasMinHeight + 'px' }">
               <!-- 阶段分隔线和区域 -->
               <div 
                 v-for="(stage, index) in editingPath.stages" 
-                :key="stage.name"
+                :key="stage.name + index"
                 class="stage-zone"
                 :style="{ top: (index * stageHeight) + 'px', height: stageHeight + 'px' }"
                 :class="{ 'stage-highlight': getStageAtY(draggedNode?.y || 0) === stage.name }"
@@ -267,7 +345,12 @@
                   </el-dropdown>
                 </div>
                 <div class="node-info">
-                  <el-tag size="small" :type="node.is_required ? 'danger' : ''">
+                  <el-tag 
+                    size="small" 
+                    :type="node.is_required ? 'danger' : ''"
+                    style="cursor: pointer"
+                    @click.stop="toggleNodeRequired(node)"
+                  >
                     {{ node.is_required ? '必修' : '选修' }}
                   </el-tag>
                   <span class="node-stage">{{ node.stage_name }}</span>
@@ -320,7 +403,7 @@
 </template>
 
 <script setup lang="ts">
-import { ref, computed, onMounted } from 'vue'
+import { ref, computed, onMounted, watch } from 'vue'
 import { ElMessage, ElMessageBox } from 'element-plus'
 import { 
   Plus, ArrowLeft, Check, Delete, Search, More, Grid, Reading, FolderOpened
@@ -349,6 +432,7 @@ interface Course {
   name?: string
   title?: string
   duration_hours?: number
+  category?: string
 }
 
 interface PathNode {
@@ -387,11 +471,17 @@ const coursesLoading = ref(false)
 
 // 列表
 const growthPaths = ref<GrowthPathListItem[]>([])
-const filters = ref<{ position_id?: number }>({})
+const total = ref(0)
+const pagination = ref({
+  page: 1,
+  page_size: 20
+})
+const filters = ref<{ position_id?: number; is_active?: boolean }>({})
 
 // 编辑
 const editingPath = ref<EditingPath | null>(null)
 const courseSearch = ref('')
+const courseCategory = ref('')
 const canvasRef = ref<HTMLElement>()
 const canvasInnerRef = ref<HTMLElement>()
 
@@ -415,12 +505,29 @@ const positions = ref<Position[]>([])
 const courses = ref<Course[]>([])
 
 // ========== 计算属性 ==========
+
+// 课程分类列表
+const courseCategories = computed(() => {
+  const cats = new Set<string>()
+  courses.value.forEach(c => {
+    if (c.category) cats.add(c.category)
+  })
+  return Array.from(cats)
+})
+
+// 过滤后的课程
 const filteredCourses = computed(() => {
-  if (!courseSearch.value) return courses.value
+  let result = courses.value
+  if (courseSearch.value) {
     const keyword = courseSearch.value.toLowerCase()
-  return courses.value.filter(c => 
+    result = result.filter(c => 
       (c.name || c.title || '').toLowerCase().includes(keyword)
     )
+  }
+  if (courseCategory.value) {
+    result = result.filter(c => c.category === courseCategory.value)
+  }
+  return result
 })
 
 const requiredCount = computed(() => pathNodes.value.filter(n => n.is_required).length)
@@ -432,8 +539,33 @@ const totalDuration = computed(() => {
   }, 0)
 })
 
+// 是否全选岗位
+const isAllPositionsSelected = computed(() => {
+  if (!editingPath.value || positions.value.length === 0) return false
+  return editingPath.value.position_ids.length === positions.value.length
+})
+
+// 画布最小高度（根据阶段数量动态计算）
+const canvasMinHeight = computed(() => {
+  if (!editingPath.value) return 700
+  return Math.max(700, editingPath.value.stages.length * stageHeight + 100)
+})
+
 // ========== 工具方法 ==========
 
+// 格式化日期时间
+const formatDateTime = (dateStr: string) => {
+  if (!dateStr) return '-'
+  const date = new Date(dateStr)
+  return date.toLocaleString('zh-CN', {
+    year: 'numeric',
+    month: '2-digit',
+    day: '2-digit',
+    hour: '2-digit',
+    minute: '2-digit'
+  })
+}
+
 /**
  * 根据Y坐标获取所属阶段
  */
@@ -451,6 +583,69 @@ const updateNodeStage = (node: PathNode) => {
   node.stage_name = getStageAtY(node.y)
 }
 
+// ========== 阶段管理 ==========
+
+const addStage = () => {
+  if (!editingPath.value) return
+  const newOrder = editingPath.value.stages.length + 1
+  editingPath.value.stages.push({
+    name: `阶段${newOrder}`,
+    order: newOrder
+  })
+  ElMessage.success('已添加新阶段')
+}
+
+const removeStage = (index: number) => {
+  if (!editingPath.value || editingPath.value.stages.length <= 1) return
+  
+  const stageName = editingPath.value.stages[index].name
+  // 检查是否有节点在该阶段
+  const nodesInStage = pathNodes.value.filter(n => n.stage_name === stageName)
+  
+  if (nodesInStage.length > 0) {
+    ElMessageBox.confirm(
+      `该阶段下有 ${nodesInStage.length} 个课程，删除后这些课程将移动到第一个阶段。确定删除吗？`,
+      '删除确认',
+      { type: 'warning' }
+    ).then(() => {
+      doRemoveStage(index, stageName)
+    }).catch(() => {})
+  } else {
+    doRemoveStage(index, stageName)
+  }
+}
+
+const doRemoveStage = (index: number, stageName: string) => {
+  if (!editingPath.value) return
+  
+  // 移动该阶段的节点到第一个阶段
+  const firstStageName = editingPath.value.stages[0]?.name
+  pathNodes.value.forEach(node => {
+    if (node.stage_name === stageName && firstStageName) {
+      node.stage_name = firstStageName
+      // 重新计算位置
+      node.y = 30
+    }
+  })
+  
+  editingPath.value.stages.splice(index, 1)
+  // 重新编号
+  editingPath.value.stages.forEach((s, i) => s.order = i + 1)
+  
+  ElMessage.success('阶段已删除')
+}
+
+// ========== 岗位全选 ==========
+
+const handleSelectAllPositions = () => {
+  if (!editingPath.value) return
+  if (isAllPositionsSelected.value) {
+    editingPath.value.position_ids = []
+  } else {
+    editingPath.value.position_ids = positions.value.map(p => p.id)
+  }
+}
+
 // ========== 数据加载 ==========
 
 const loadPositions = async () => {
@@ -467,7 +662,7 @@ const loadPositions = async () => {
 const loadCourses = async () => {
   coursesLoading.value = true
   try {
-    const res = await getManagerCourses({ page: 1, size: 100 })
+    const res = await getManagerCourses({ page: 1, size: 500 })
     courses.value = res.data?.items || res.items || []
   } catch (error) {
     console.error('加载课程失败:', error)
@@ -476,15 +671,22 @@ const loadCourses = async () => {
   }
 }
 
+const handleFilterChange = () => {
+  pagination.value.page = 1
+  loadGrowthPaths()
+}
+
 const loadGrowthPaths = async () => {
   loading.value = true
   try {
     const res = await getGrowthPathConfigs({
-      page: 1,
-      page_size: 100,
+      page: pagination.value.page,
+      page_size: pagination.value.page_size,
       position_id: filters.value.position_id,
+      is_active: filters.value.is_active,
     })
     growthPaths.value = res.items || []
+    total.value = res.total || 0
   } catch (error) {
     console.error('加载路径失败:', error)
   } finally {
@@ -864,6 +1066,11 @@ const getConnectionPath = (conn: Connection) => {
   return `M ${x1} ${y1} C ${midX} ${y1}, ${midX} ${y2}, ${x2} ${y2}`
 }
 
+// 点击标签切换必修/选修
+const toggleNodeRequired = (node: PathNode) => {
+  node.is_required = !node.is_required
+}
+
 const handleNodeCommand = (command: string, node: PathNode) => {
   switch (command) {
     case 'required':
@@ -977,6 +1184,8 @@ onMounted(() => {
     box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
     padding: 20px;
     flex: 1;
+    display: flex;
+    flex-direction: column;
 
     .path-name-cell {
       display: flex;
@@ -985,6 +1194,12 @@ onMounted(() => {
       .path-name { font-weight: 500; }
     }
     .text-muted { color: #909399; }
+
+    .pagination-wrapper {
+      margin-top: 16px;
+      display: flex;
+      justify-content: flex-end;
+    }
   }
 
   .path-info-bar {
@@ -999,6 +1214,67 @@ onMounted(() => {
       margin-bottom: 0;
       margin-right: 24px;
     }
+
+    .position-select-wrapper {
+      display: flex;
+      align-items: center;
+      gap: 8px;
+
+      .select-all-btn {
+        white-space: nowrap;
+      }
+    }
+  }
+
+  .stages-bar {
+    background: #fff;
+    border-radius: 8px;
+    padding: 12px 20px;
+    margin-bottom: 12px;
+    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
+    flex-shrink: 0;
+
+    .stages-header {
+      display: flex;
+      justify-content: space-between;
+      align-items: center;
+      margin-bottom: 12px;
+
+      .stages-title {
+        font-size: 14px;
+        font-weight: 600;
+        color: #333;
+      }
+    }
+
+    .stages-list {
+      display: flex;
+      flex-wrap: wrap;
+      gap: 12px;
+
+      .stage-tag {
+        display: flex;
+        align-items: center;
+        gap: 8px;
+        padding: 6px 12px;
+        background: #f5f7fa;
+        border-radius: 6px;
+        border: 1px solid #e4e7ed;
+
+        .stage-order {
+          width: 20px;
+          height: 20px;
+          display: flex;
+          align-items: center;
+          justify-content: center;
+          background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+          color: #fff;
+          border-radius: 50%;
+          font-size: 12px;
+          font-weight: 600;
+        }
+      }
+    }
   }
 
   .path-designer {
@@ -1107,7 +1383,6 @@ onMounted(() => {
           position: relative;
           width: 100%;
           min-width: 900px;
-          min-height: 700px;
           background-image: 
             linear-gradient(rgba(102, 126, 234, .06) 1px, transparent 1px),
             linear-gradient(90deg, rgba(102, 126, 234, .06) 1px, transparent 1px);