feat: 实现成长路径功能

- 新增数据库表: growth_path_nodes, user_growth_path_progress, user_node_completions
- 新增 Model: GrowthPathNode, UserGrowthPathProgress, UserNodeCompletion
- 新增 Service: GrowthPathService（管理端CRUD、学员端进度追踪）
- 新增 API: 学员端获取成长路径、管理端CRUD
- 前端学员端从API动态加载成长路径数据
- 更新管理端API接口定义

backend/app/api/v1/__init__.py

@@ -125,5 +125,8 @@ api_router.include_router(speech_router, prefix="/speech", tags=["speech"])
 # recommendation_router 智能推荐路由
 from .endpoints.recommendation import router as recommendation_router
 api_router.include_router(recommendation_router, prefix="/recommendations", tags=["recommendations"])
+# growth_path_router 成长路径路由
+from .endpoints.growth_path import router as growth_path_router
+api_router.include_router(growth_path_router, tags=["growth-path"])
 
 __all__ = ["api_router"]

backend/app/api/v1/endpoints/growth_path.py

@@ -0,0 +1,234 @@
+"""
+成长路径 API 端点
+"""
+import logging
+from typing import Optional
+
+from fastapi import APIRouter, Depends, HTTPException, Query
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.core.deps import get_db, get_current_user
+from app.models.user import User
+from app.services.growth_path_service import growth_path_service
+from app.schemas.growth_path import (
+    GrowthPathCreate,
+    GrowthPathUpdate,
+    GrowthPathResponse,
+    GrowthPathListResponse,
+    TraineeGrowthPathResponse,
+    UserGrowthPathProgressResponse,
+    StartGrowthPathRequest,
+    CompleteNodeRequest,
+)
+
+logger = logging.getLogger(__name__)
+
+router = APIRouter()
+
+
+# =====================================================
+# 学员端 API
+# =====================================================
+
+@router.get("/trainee/growth-path", response_model=Optional[TraineeGrowthPathResponse])
+async def get_trainee_growth_path(
+    position_id: Optional[int] = Query(None, description="岗位ID，不传则自动匹配"),
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    """
+    获取学员的成长路径（含进度）
+    
+    返回数据包含：
+    - 成长路径基本信息
+    - 各阶段及节点信息
+    - 每个节点的学习状态（locked/unlocked/in_progress/completed）
+    - 每个节点的课程学习进度
+    """
+    try:
+        result = await growth_path_service.get_trainee_growth_path(
+            db=db,
+            user_id=current_user.id,
+            position_id=position_id
+        )
+        return result
+    except Exception as e:
+        logger.error(f"获取成长路径失败: {e}")
+        raise HTTPException(status_code=500, detail=str(e))
+
+
+@router.post("/trainee/growth-path/start")
+async def start_growth_path(
+    request: StartGrowthPathRequest,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    """
+    开始学习成长路径
+    """
+    try:
+        progress = await growth_path_service.start_growth_path(
+            db=db,
+            user_id=current_user.id,
+            growth_path_id=request.growth_path_id
+        )
+        return {
+            "success": True,
+            "message": "已开始学习成长路径",
+            "progress_id": progress.id,
+        }
+    except ValueError as e:
+        raise HTTPException(status_code=400, detail=str(e))
+    except Exception as e:
+        logger.error(f"开始成长路径失败: {e}")
+        raise HTTPException(status_code=500, detail=str(e))
+
+
+@router.post("/trainee/growth-path/node/complete")
+async def complete_growth_path_node(
+    request: CompleteNodeRequest,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    """
+    完成成长路径节点
+    """
+    try:
+        result = await growth_path_service.complete_node(
+            db=db,
+            user_id=current_user.id,
+            node_id=request.node_id
+        )
+        return result
+    except ValueError as e:
+        raise HTTPException(status_code=400, detail=str(e))
+    except Exception as e:
+        logger.error(f"完成节点失败: {e}")
+        raise HTTPException(status_code=500, detail=str(e))
+
+
+# =====================================================
+# 管理端 API
+# =====================================================
+
+@router.get("/manager/growth-paths")
+async def list_growth_paths(
+    position_id: Optional[int] = Query(None, description="岗位ID筛选"),
+    is_active: Optional[bool] = Query(None, description="是否启用"),
+    page: int = Query(1, ge=1, description="页码"),
+    page_size: int = Query(20, ge=1, le=100, description="每页数量"),
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    """
+    获取成长路径列表（管理端）
+    """
+    try:
+        result = await growth_path_service.list_growth_paths(
+            db=db,
+            position_id=position_id,
+            is_active=is_active,
+            page=page,
+            page_size=page_size
+        )
+        return result
+    except Exception as e:
+        logger.error(f"获取成长路径列表失败: {e}")
+        raise HTTPException(status_code=500, detail=str(e))
+
+
+@router.post("/manager/growth-paths")
+async def create_growth_path(
+    data: GrowthPathCreate,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    """
+    创建成长路径（管理端）
+    """
+    try:
+        growth_path = await growth_path_service.create_growth_path(
+            db=db,
+            data=data,
+            created_by=current_user.id
+        )
+        return {
+            "success": True,
+            "message": "创建成功",
+            "id": growth_path.id,
+        }
+    except ValueError as e:
+        raise HTTPException(status_code=400, detail=str(e))
+    except Exception as e:
+        logger.error(f"创建成长路径失败: {e}")
+        raise HTTPException(status_code=500, detail=str(e))
+
+
+@router.get("/manager/growth-paths/{path_id}")
+async def get_growth_path(
+    path_id: int,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    """
+    获取成长路径详情（管理端）
+    """
+    try:
+        result = await growth_path_service.get_growth_path(db=db, path_id=path_id)
+        if not result:
+            raise HTTPException(status_code=404, detail="成长路径不存在")
+        return result
+    except HTTPException:
+        raise
+    except Exception as e:
+        logger.error(f"获取成长路径详情失败: {e}")
+        raise HTTPException(status_code=500, detail=str(e))
+
+
+@router.put("/manager/growth-paths/{path_id}")
+async def update_growth_path(
+    path_id: int,
+    data: GrowthPathUpdate,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    """
+    更新成长路径（管理端）
+    """
+    try:
+        await growth_path_service.update_growth_path(
+            db=db,
+            path_id=path_id,
+            data=data
+        )
+        return {
+            "success": True,
+            "message": "更新成功",
+        }
+    except ValueError as e:
+        raise HTTPException(status_code=400, detail=str(e))
+    except Exception as e:
+        logger.error(f"更新成长路径失败: {e}")
+        raise HTTPException(status_code=500, detail=str(e))
+
+
+@router.delete("/manager/growth-paths/{path_id}")
+async def delete_growth_path(
+    path_id: int,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    """
+    删除成长路径（管理端）
+    """
+    try:
+        await growth_path_service.delete_growth_path(db=db, path_id=path_id)
+        return {
+            "success": True,
+            "message": "删除成功",
+        }
+    except ValueError as e:
+        raise HTTPException(status_code=400, detail=str(e))
+    except Exception as e:
+        logger.error(f"删除成长路径失败: {e}")
+        raise HTTPException(status_code=500, detail=str(e))

backend/app/migrations/add_growth_path_tables.sql

@@ -0,0 +1,118 @@
+-- 成长路径功能数据库迁移脚本
+-- 创建时间: 2026-01-30
+
+-- =====================================================
+-- 1. 修改 growth_paths 表，添加岗位关联
+-- =====================================================
+ALTER TABLE growth_paths 
+ADD COLUMN IF NOT EXISTS position_id INT NULL COMMENT '关联岗位ID' AFTER target_role,
+ADD COLUMN IF NOT EXISTS stages JSON NULL COMMENT '阶段配置[{name, description, order}]' AFTER courses,
+ADD INDEX idx_position_id (position_id);
+
+-- =====================================================
+-- 2. 创建成长路径节点表
+-- =====================================================
+CREATE TABLE IF NOT EXISTS growth_path_nodes (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    growth_path_id INT NOT NULL COMMENT '成长路径ID',
+    course_id INT NOT NULL COMMENT '课程ID',
+    stage_name VARCHAR(100) NULL COMMENT '所属阶段名称',
+    title VARCHAR(200) NOT NULL COMMENT '节点标题',
+    description TEXT NULL COMMENT '节点描述',
+    order_num INT DEFAULT 0 NOT NULL COMMENT '排序顺序',
+    is_required BOOLEAN DEFAULT TRUE NOT NULL COMMENT '是否必修',
+    prerequisites JSON NULL COMMENT '前置节点IDs [1, 2, 3]',
+    estimated_days INT DEFAULT 7 COMMENT '预计学习天数',
+    
+    -- 软删除
+    is_deleted BOOLEAN DEFAULT FALSE NOT NULL,
+    deleted_at DATETIME NULL,
+    
+    -- 时间戳
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL,
+    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP NOT NULL,
+    
+    -- 索引
+    INDEX idx_growth_path_id (growth_path_id),
+    INDEX idx_course_id (course_id),
+    INDEX idx_stage_name (stage_name),
+    INDEX idx_order_num (order_num),
+    INDEX idx_is_deleted (is_deleted),
+    
+    -- 外键
+    CONSTRAINT fk_gpn_growth_path FOREIGN KEY (growth_path_id) 
+        REFERENCES growth_paths(id) ON DELETE CASCADE,
+    CONSTRAINT fk_gpn_course FOREIGN KEY (course_id) 
+        REFERENCES courses(id) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci 
+COMMENT='成长路径节点表';
+
+-- =====================================================
+-- 3. 创建用户成长路径进度表
+-- =====================================================
+CREATE TABLE IF NOT EXISTS user_growth_path_progress (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    user_id INT NOT NULL COMMENT '用户ID',
+    growth_path_id INT NOT NULL COMMENT '成长路径ID',
+    current_node_id INT NULL COMMENT '当前学习节点ID',
+    completed_node_ids JSON NULL COMMENT '已完成节点IDs [1, 2, 3]',
+    total_progress DECIMAL(5,2) DEFAULT 0.00 COMMENT '总进度百分比',
+    status VARCHAR(20) DEFAULT 'not_started' NOT NULL COMMENT '状态: not_started/in_progress/completed',
+    
+    -- 时间记录
+    started_at DATETIME NULL COMMENT '开始时间',
+    completed_at DATETIME NULL COMMENT '完成时间',
+    last_activity_at DATETIME NULL COMMENT '最后活动时间',
+    
+    -- 时间戳
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL,
+    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP NOT NULL,
+    
+    -- 索引
+    INDEX idx_user_id (user_id),
+    INDEX idx_growth_path_id (growth_path_id),
+    INDEX idx_status (status),
+    UNIQUE KEY uk_user_growth_path (user_id, growth_path_id),
+    
+    -- 外键
+    CONSTRAINT fk_ugpp_user FOREIGN KEY (user_id) 
+        REFERENCES users(id) ON DELETE CASCADE,
+    CONSTRAINT fk_ugpp_growth_path FOREIGN KEY (growth_path_id) 
+        REFERENCES growth_paths(id) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci 
+COMMENT='用户成长路径进度表';
+
+-- =====================================================
+-- 4. 创建用户节点完成记录表（详细记录每个节点的完成情况）
+-- =====================================================
+CREATE TABLE IF NOT EXISTS user_node_completions (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    user_id INT NOT NULL COMMENT '用户ID',
+    growth_path_id INT NOT NULL COMMENT '成长路径ID',
+    node_id INT NOT NULL COMMENT '节点ID',
+    course_progress DECIMAL(5,2) DEFAULT 0.00 COMMENT '课程学习进度',
+    status VARCHAR(20) DEFAULT 'locked' NOT NULL COMMENT '状态: locked/unlocked/in_progress/completed',
+    
+    -- 时间记录
+    unlocked_at DATETIME NULL COMMENT '解锁时间',
+    started_at DATETIME NULL COMMENT '开始学习时间',
+    completed_at DATETIME NULL COMMENT '完成时间',
+    
+    -- 时间戳
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL,
+    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP NOT NULL,
+    
+    -- 索引
+    INDEX idx_user_id (user_id),
+    INDEX idx_growth_path_id (growth_path_id),
+    INDEX idx_node_id (node_id),
+    INDEX idx_status (status),
+    UNIQUE KEY uk_user_node (user_id, node_id),
+    
+    -- 外键
+    CONSTRAINT fk_unc_user FOREIGN KEY (user_id) 
+        REFERENCES users(id) ON DELETE CASCADE,
+    CONSTRAINT fk_unc_node FOREIGN KEY (node_id) 
+        REFERENCES growth_path_nodes(id) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci 
+COMMENT='用户节点完成记录表';

backend/app/models/__init__.py

@@ -37,6 +37,13 @@ from app.models.user_course_progress import (
     UserMaterialProgress,
     ProgressStatus,
 )
+from app.models.growth_path import (
+    GrowthPathNode,
+    UserGrowthPathProgress,
+    UserNodeCompletion,
+    GrowthPathStatus,
+    NodeStatus,
+)
 
 __all__ = [
     "Base",
@@ -80,4 +87,9 @@ __all__ = [
     "UserCourseProgress",
     "UserMaterialProgress",
     "ProgressStatus",
+    "GrowthPathNode",
+    "UserGrowthPathProgress",
+    "UserNodeCompletion",
+    "GrowthPathStatus",
+    "NodeStatus",
 ]

backend/app/models/course.py

@@ -224,9 +224,19 @@ class GrowthPath(BaseModel, SoftDeleteMixin):
         String(100), nullable=True, comment="目标角色"
     )
     
-    # 路径配置
+    # 岗位关联
+    position_id: Mapped[Optional[int]] = mapped_column(
+        Integer, nullable=True, comment="关联岗位ID"
+    )
+
+    # 路径配置（保留用于兼容，新版使用 nodes 关联表）
     courses: Mapped[Optional[List[dict]]] = mapped_column(
-        JSON, nullable=True, comment="课程列表[{course_id, order, is_required}]"
+        JSON, nullable=True, comment="课程列表[{course_id, order, is_required}]（已废弃，使用nodes）"
+    )
+    
+    # 阶段配置
+    stages: Mapped[Optional[List[dict]]] = mapped_column(
+        JSON, nullable=True, comment="阶段配置[{name, description, order}]"
     )
 
     # 预计时长
@@ -242,6 +252,11 @@ class GrowthPath(BaseModel, SoftDeleteMixin):
         Integer, default=0, nullable=False, comment="排序顺序"
     )
     
+    # 关联关系
+    nodes: Mapped[List["GrowthPathNode"]] = relationship(
+        "GrowthPathNode", back_populates="growth_path", cascade="all, delete-orphan"
+    )
+
 
 class MaterialKnowledgePoint(BaseModel, SoftDeleteMixin):
     """

backend/app/models/growth_path.py

@@ -0,0 +1,206 @@
+"""
+成长路径相关数据库模型
+"""
+from enum import Enum
+from typing import List, Optional
+from datetime import datetime
+from decimal import Decimal
+
+from sqlalchemy import (
+    String,
+    Text,
+    Integer,
+    Boolean,
+    ForeignKey,
+    Enum as SQLEnum,
+    JSON,
+    DateTime,
+    DECIMAL,
+)
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.models.base import BaseModel, SoftDeleteMixin
+
+
+class GrowthPathStatus(str, Enum):
+    """成长路径学习状态"""
+    NOT_STARTED = "not_started"  # 未开始
+    IN_PROGRESS = "in_progress"  # 进行中
+    COMPLETED = "completed"      # 已完成
+
+
+class NodeStatus(str, Enum):
+    """节点状态"""
+    LOCKED = "locked"          # 锁定（前置未完成）
+    UNLOCKED = "unlocked"      # 已解锁（可以开始）
+    IN_PROGRESS = "in_progress"  # 学习中
+    COMPLETED = "completed"    # 已完成
+
+
+class GrowthPathNode(BaseModel, SoftDeleteMixin):
+    """
+    成长路径节点表
+    每个节点对应一门课程
+    """
+    __tablename__ = "growth_path_nodes"
+
+    # 关联
+    growth_path_id: Mapped[int] = mapped_column(
+        Integer,
+        ForeignKey("growth_paths.id", ondelete="CASCADE"),
+        nullable=False,
+        comment="成长路径ID"
+    )
+    course_id: Mapped[int] = mapped_column(
+        Integer,
+        ForeignKey("courses.id", ondelete="CASCADE"),
+        nullable=False,
+        comment="课程ID"
+    )
+
+    # 节点信息
+    stage_name: Mapped[Optional[str]] = mapped_column(
+        String(100), nullable=True, comment="所属阶段名称"
+    )
+    title: Mapped[str] = mapped_column(
+        String(200), nullable=False, comment="节点标题"
+    )
+    description: Mapped[Optional[str]] = mapped_column(
+        Text, nullable=True, comment="节点描述"
+    )
+
+    # 配置
+    order_num: Mapped[int] = mapped_column(
+        Integer, default=0, nullable=False, comment="排序顺序"
+    )
+    is_required: Mapped[bool] = mapped_column(
+        Boolean, default=True, nullable=False, comment="是否必修"
+    )
+    prerequisites: Mapped[Optional[List[int]]] = mapped_column(
+        JSON, nullable=True, comment="前置节点IDs"
+    )
+    estimated_days: Mapped[int] = mapped_column(
+        Integer, default=7, nullable=False, comment="预计学习天数"
+    )
+
+    # 关联关系
+    growth_path: Mapped["GrowthPath"] = relationship(
+        "GrowthPath", back_populates="nodes"
+    )
+    course: Mapped["Course"] = relationship("Course")
+    user_completions: Mapped[List["UserNodeCompletion"]] = relationship(
+        "UserNodeCompletion", back_populates="node"
+    )
+
+
+class UserGrowthPathProgress(BaseModel):
+    """
+    用户成长路径进度表
+    记录用户在某条成长路径上的整体进度
+    """
+    __tablename__ = "user_growth_path_progress"
+
+    # 关联
+    user_id: Mapped[int] = mapped_column(
+        Integer,
+        ForeignKey("users.id", ondelete="CASCADE"),
+        nullable=False,
+        comment="用户ID"
+    )
+    growth_path_id: Mapped[int] = mapped_column(
+        Integer,
+        ForeignKey("growth_paths.id", ondelete="CASCADE"),
+        nullable=False,
+        comment="成长路径ID"
+    )
+
+    # 进度信息
+    current_node_id: Mapped[Optional[int]] = mapped_column(
+        Integer, nullable=True, comment="当前学习节点ID"
+    )
+    completed_node_ids: Mapped[Optional[List[int]]] = mapped_column(
+        JSON, nullable=True, comment="已完成节点IDs"
+    )
+    total_progress: Mapped[Decimal] = mapped_column(
+        DECIMAL(5, 2), default=0.00, nullable=False, comment="总进度百分比"
+    )
+
+    # 状态
+    status: Mapped[str] = mapped_column(
+        String(20),
+        default=GrowthPathStatus.NOT_STARTED.value,
+        nullable=False,
+        comment="状态"
+    )
+
+    # 时间记录
+    started_at: Mapped[Optional[datetime]] = mapped_column(
+        DateTime(timezone=True), nullable=True, comment="开始时间"
+    )
+    completed_at: Mapped[Optional[datetime]] = mapped_column(
+        DateTime(timezone=True), nullable=True, comment="完成时间"
+    )
+    last_activity_at: Mapped[Optional[datetime]] = mapped_column(
+        DateTime(timezone=True), nullable=True, comment="最后活动时间"
+    )
+
+    # 关联关系
+    user: Mapped["User"] = relationship("User")
+    growth_path: Mapped["GrowthPath"] = relationship("GrowthPath")
+
+
+class UserNodeCompletion(BaseModel):
+    """
+    用户节点完成记录表
+    详细记录用户在每个节点上的学习状态
+    """
+    __tablename__ = "user_node_completions"
+
+    # 关联
+    user_id: Mapped[int] = mapped_column(
+        Integer,
+        ForeignKey("users.id", ondelete="CASCADE"),
+        nullable=False,
+        comment="用户ID"
+    )
+    growth_path_id: Mapped[int] = mapped_column(
+        Integer,
+        ForeignKey("growth_paths.id", ondelete="CASCADE"),
+        nullable=False,
+        comment="成长路径ID"
+    )
+    node_id: Mapped[int] = mapped_column(
+        Integer,
+        ForeignKey("growth_path_nodes.id", ondelete="CASCADE"),
+        nullable=False,
+        comment="节点ID"
+    )
+
+    # 进度信息
+    course_progress: Mapped[Decimal] = mapped_column(
+        DECIMAL(5, 2), default=0.00, nullable=False, comment="课程学习进度"
+    )
+    status: Mapped[str] = mapped_column(
+        String(20),
+        default=NodeStatus.LOCKED.value,
+        nullable=False,
+        comment="状态"
+    )
+
+    # 时间记录
+    unlocked_at: Mapped[Optional[datetime]] = mapped_column(
+        DateTime(timezone=True), nullable=True, comment="解锁时间"
+    )
+    started_at: Mapped[Optional[datetime]] = mapped_column(
+        DateTime(timezone=True), nullable=True, comment="开始学习时间"
+    )
+    completed_at: Mapped[Optional[datetime]] = mapped_column(
+        DateTime(timezone=True), nullable=True, comment="完成时间"
+    )
+
+    # 关联关系
+    user: Mapped["User"] = relationship("User")
+    node: Mapped["GrowthPathNode"] = relationship(
+        "GrowthPathNode", back_populates="user_completions"
+    )
+    growth_path: Mapped["GrowthPath"] = relationship("GrowthPath")

backend/app/schemas/growth_path.py

@@ -0,0 +1,224 @@
+"""
+成长路径相关 Schema
+"""
+from typing import List, Optional
+from datetime import datetime
+from decimal import Decimal
+from pydantic import BaseModel, Field
+
+
+# =====================================================
+# 基础数据结构
+# =====================================================
+
+class StageConfig(BaseModel):
+    """阶段配置"""
+    name: str = Field(..., description="阶段名称")
+    description: Optional[str] = Field(None, description="阶段描述")
+    order: int = Field(0, description="排序")
+
+
+class NodeBase(BaseModel):
+    """节点基础信息"""
+    course_id: int = Field(..., description="课程ID")
+    stage_name: Optional[str] = Field(None, description="所属阶段名称")
+    title: str = Field(..., description="节点标题")
+    description: Optional[str] = Field(None, description="节点描述")
+    order_num: int = Field(0, description="排序顺序")
+    is_required: bool = Field(True, description="是否必修")
+    prerequisites: Optional[List[int]] = Field(None, description="前置节点IDs")
+    estimated_days: int = Field(7, description="预计学习天数")
+
+
+# =====================================================
+# 管理端 - 创建/更新
+# =====================================================
+
+class GrowthPathNodeCreate(NodeBase):
+    """创建节点"""
+    pass
+
+
+class GrowthPathNodeUpdate(BaseModel):
+    """更新节点"""
+    course_id: Optional[int] = None
+    stage_name: Optional[str] = None
+    title: Optional[str] = None
+    description: Optional[str] = None
+    order_num: Optional[int] = None
+    is_required: Optional[bool] = None
+    prerequisites: Optional[List[int]] = None
+    estimated_days: Optional[int] = None
+
+
+class GrowthPathCreate(BaseModel):
+    """创建成长路径"""
+    name: str = Field(..., description="路径名称")
+    description: Optional[str] = Field(None, description="路径描述")
+    target_role: Optional[str] = Field(None, description="目标角色")
+    position_id: Optional[int] = Field(None, description="关联岗位ID")
+    stages: Optional[List[StageConfig]] = Field(None, description="阶段配置")
+    estimated_duration_days: Optional[int] = Field(None, description="预计完成天数")
+    is_active: bool = Field(True, description="是否启用")
+    sort_order: int = Field(0, description="排序")
+    nodes: Optional[List[GrowthPathNodeCreate]] = Field(None, description="节点列表")
+
+
+class GrowthPathUpdate(BaseModel):
+    """更新成长路径"""
+    name: Optional[str] = None
+    description: Optional[str] = None
+    target_role: Optional[str] = None
+    position_id: Optional[int] = None
+    stages: Optional[List[StageConfig]] = None
+    estimated_duration_days: Optional[int] = None
+    is_active: Optional[bool] = None
+    sort_order: Optional[int] = None
+    nodes: Optional[List[GrowthPathNodeCreate]] = None  # 整体替换节点
+
+
+# =====================================================
+# 管理端 - 响应
+# =====================================================
+
+class GrowthPathNodeResponse(NodeBase):
+    """节点响应"""
+    id: int
+    growth_path_id: int
+    course_name: Optional[str] = None  # 课程名称（关联查询）
+    created_at: datetime
+    updated_at: datetime
+
+    class Config:
+        from_attributes = True
+
+
+class GrowthPathResponse(BaseModel):
+    """成长路径响应（管理端）"""
+    id: int
+    name: str
+    description: Optional[str] = None
+    target_role: Optional[str] = None
+    position_id: Optional[int] = None
+    position_name: Optional[str] = None  # 岗位名称（关联查询）
+    stages: Optional[List[StageConfig]] = None
+    estimated_duration_days: Optional[int] = None
+    is_active: bool
+    sort_order: int
+    nodes: List[GrowthPathNodeResponse] = []
+    node_count: int = 0  # 节点数量
+    created_at: datetime
+    updated_at: datetime
+
+    class Config:
+        from_attributes = True
+
+
+class GrowthPathListResponse(BaseModel):
+    """成长路径列表响应"""
+    id: int
+    name: str
+    description: Optional[str] = None
+    position_id: Optional[int] = None
+    position_name: Optional[str] = None
+    is_active: bool
+    node_count: int = 0
+    estimated_duration_days: Optional[int] = None
+    created_at: datetime
+
+    class Config:
+        from_attributes = True
+
+
+# =====================================================
+# 学员端 - 响应
+# =====================================================
+
+class TraineeNodeResponse(BaseModel):
+    """学员端节点响应（含进度状态）"""
+    id: int
+    course_id: int
+    title: str
+    description: Optional[str] = None
+    stage_name: Optional[str] = None
+    is_required: bool
+    estimated_days: int
+    order_num: int
+    
+    # 学员特有
+    status: str = Field(..., description="状态: locked/unlocked/in_progress/completed")
+    progress: float = Field(0, description="课程学习进度 0-100")
+    
+    # 课程信息
+    course_name: Optional[str] = None
+    course_cover: Optional[str] = None
+
+    class Config:
+        from_attributes = True
+
+
+class TraineeStageResponse(BaseModel):
+    """学员端阶段响应"""
+    name: str
+    description: Optional[str] = None
+    completed: int = Field(0, description="已完成节点数")
+    total: int = Field(0, description="总节点数")
+    nodes: List[TraineeNodeResponse] = []
+
+
+class TraineeGrowthPathResponse(BaseModel):
+    """学员端成长路径响应"""
+    id: int
+    name: str
+    description: Optional[str] = None
+    position_id: Optional[int] = None
+    position_name: Optional[str] = None
+    
+    # 进度信息
+    total_progress: float = Field(0, description="总进度百分比")
+    completed_nodes: int = Field(0, description="已完成节点数")
+    total_nodes: int = Field(0, description="总节点数")
+    status: str = Field("not_started", description="状态: not_started/in_progress/completed")
+    
+    # 时间信息
+    started_at: Optional[datetime] = None
+    estimated_completion_days: Optional[int] = None
+    
+    # 阶段和节点
+    stages: List[TraineeStageResponse] = []
+
+    class Config:
+        from_attributes = True
+
+
+# =====================================================
+# 用户进度
+# =====================================================
+
+class UserGrowthPathProgressResponse(BaseModel):
+    """用户成长路径进度响应"""
+    id: int
+    user_id: int
+    growth_path_id: int
+    growth_path_name: str
+    current_node_id: Optional[int] = None
+    current_node_title: Optional[str] = None
+    completed_node_ids: List[int] = []
+    total_progress: float
+    status: str
+    started_at: Optional[datetime] = None
+    completed_at: Optional[datetime] = None
+    last_activity_at: Optional[datetime] = None
+
+    class Config:
+        from_attributes = True
+
+
+class StartGrowthPathRequest(BaseModel):
+    """开始学习成长路径请求"""
+    growth_path_id: int = Field(..., description="成长路径ID")
+
+
+class CompleteNodeRequest(BaseModel):
+    """完成节点请求"""
+    node_id: int = Field(..., description="节点ID")

backend/app/services/growth_path_service.py

@@ -0,0 +1,743 @@
+"""
+成长路径服务
+"""
+import logging
+from typing import List, Optional, Dict, Any
+from datetime import datetime
+from decimal import Decimal
+
+from sqlalchemy import select, func, and_, delete
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy.orm import selectinload
+
+from app.models.course import GrowthPath, Course
+from app.models.growth_path import (
+    GrowthPathNode,
+    UserGrowthPathProgress,
+    UserNodeCompletion,
+    GrowthPathStatus,
+    NodeStatus,
+)
+from app.models.user_course_progress import UserCourseProgress, ProgressStatus
+from app.models.position import Position
+from app.schemas.growth_path import (
+    GrowthPathCreate,
+    GrowthPathUpdate,
+    GrowthPathNodeCreate,
+    TraineeGrowthPathResponse,
+    TraineeStageResponse,
+    TraineeNodeResponse,
+)
+
+logger = logging.getLogger(__name__)
+
+
+class GrowthPathService:
+    """成长路径服务"""
+
+    # =====================================================
+    # 管理端 - CRUD
+    # =====================================================
+
+    async def create_growth_path(
+        self,
+        db: AsyncSession,
+        data: GrowthPathCreate,
+        created_by: int
+    ) -> GrowthPath:
+        """创建成长路径"""
+        # 检查名称是否重复
+        existing = await db.execute(
+            select(GrowthPath).where(
+                and_(
+                    GrowthPath.name == data.name,
+                    GrowthPath.is_deleted == False
+                )
+            )
+        )
+        if existing.scalar_one_or_none():
+            raise ValueError(f"成长路径名称 '{data.name}' 已存在")
+
+        # 创建成长路径
+        growth_path = GrowthPath(
+            name=data.name,
+            description=data.description,
+            target_role=data.target_role,
+            position_id=data.position_id,
+            stages=[s.model_dump() for s in data.stages] if data.stages else None,
+            estimated_duration_days=data.estimated_duration_days,
+            is_active=data.is_active,
+            sort_order=data.sort_order,
+        )
+        db.add(growth_path)
+        await db.flush()
+
+        # 创建节点
+        if data.nodes:
+            for node_data in data.nodes:
+                node = GrowthPathNode(
+                    growth_path_id=growth_path.id,
+                    course_id=node_data.course_id,
+                    stage_name=node_data.stage_name,
+                    title=node_data.title,
+                    description=node_data.description,
+                    order_num=node_data.order_num,
+                    is_required=node_data.is_required,
+                    prerequisites=node_data.prerequisites,
+                    estimated_days=node_data.estimated_days,
+                )
+                db.add(node)
+
+        await db.commit()
+        await db.refresh(growth_path)
+
+        logger.info(f"创建成长路径: {growth_path.name}, ID: {growth_path.id}")
+        return growth_path
+
+    async def update_growth_path(
+        self,
+        db: AsyncSession,
+        path_id: int,
+        data: GrowthPathUpdate
+    ) -> GrowthPath:
+        """更新成长路径"""
+        growth_path = await db.get(GrowthPath, path_id)
+        if not growth_path or growth_path.is_deleted:
+            raise ValueError("成长路径不存在")
+
+        # 更新基本信息
+        update_data = data.model_dump(exclude_unset=True, exclude={'nodes'})
+        if 'stages' in update_data and update_data['stages']:
+            update_data['stages'] = [s.model_dump() if hasattr(s, 'model_dump') else s for s in update_data['stages']]
+        
+        for key, value in update_data.items():
+            setattr(growth_path, key, value)
+
+        # 如果提供了节点，整体替换
+        if data.nodes is not None:
+            # 删除旧节点
+            await db.execute(
+                delete(GrowthPathNode).where(GrowthPathNode.growth_path_id == path_id)
+            )
+            # 创建新节点
+            for node_data in data.nodes:
+                node = GrowthPathNode(
+                    growth_path_id=path_id,
+                    course_id=node_data.course_id,
+                    stage_name=node_data.stage_name,
+                    title=node_data.title,
+                    description=node_data.description,
+                    order_num=node_data.order_num,
+                    is_required=node_data.is_required,
+                    prerequisites=node_data.prerequisites,
+                    estimated_days=node_data.estimated_days,
+                )
+                db.add(node)
+
+        await db.commit()
+        await db.refresh(growth_path)
+
+        logger.info(f"更新成长路径: {growth_path.name}, ID: {path_id}")
+        return growth_path
+
+    async def delete_growth_path(self, db: AsyncSession, path_id: int) -> bool:
+        """删除成长路径（软删除）"""
+        growth_path = await db.get(GrowthPath, path_id)
+        if not growth_path or growth_path.is_deleted:
+            raise ValueError("成长路径不存在")
+
+        growth_path.is_deleted = True
+        growth_path.deleted_at = datetime.now()
+        await db.commit()
+
+        logger.info(f"删除成长路径: {growth_path.name}, ID: {path_id}")
+        return True
+
+    async def get_growth_path(
+        self,
+        db: AsyncSession,
+        path_id: int
+    ) -> Optional[Dict[str, Any]]:
+        """获取成长路径详情"""
+        result = await db.execute(
+            select(GrowthPath)
+            .options(selectinload(GrowthPath.nodes))
+            .where(
+                and_(
+                    GrowthPath.id == path_id,
+                    GrowthPath.is_deleted == False
+                )
+            )
+        )
+        growth_path = result.scalar_one_or_none()
+        if not growth_path:
+            return None
+
+        # 获取岗位名称
+        position_name = None
+        if growth_path.position_id:
+            position = await db.get(Position, growth_path.position_id)
+            if position:
+                position_name = position.name
+
+        # 获取课程名称
+        nodes_data = []
+        for node in sorted(growth_path.nodes, key=lambda x: x.order_num):
+            if node.is_deleted:
+                continue
+            course = await db.get(Course, node.course_id)
+            nodes_data.append({
+                "id": node.id,
+                "growth_path_id": node.growth_path_id,
+                "course_id": node.course_id,
+                "course_name": course.name if course else None,
+                "stage_name": node.stage_name,
+                "title": node.title,
+                "description": node.description,
+                "order_num": node.order_num,
+                "is_required": node.is_required,
+                "prerequisites": node.prerequisites,
+                "estimated_days": node.estimated_days,
+                "created_at": node.created_at,
+                "updated_at": node.updated_at,
+            })
+
+        return {
+            "id": growth_path.id,
+            "name": growth_path.name,
+            "description": growth_path.description,
+            "target_role": growth_path.target_role,
+            "position_id": growth_path.position_id,
+            "position_name": position_name,
+            "stages": growth_path.stages,
+            "estimated_duration_days": growth_path.estimated_duration_days,
+            "is_active": growth_path.is_active,
+            "sort_order": growth_path.sort_order,
+            "nodes": nodes_data,
+            "node_count": len(nodes_data),
+            "created_at": growth_path.created_at,
+            "updated_at": growth_path.updated_at,
+        }
+
+    async def list_growth_paths(
+        self,
+        db: AsyncSession,
+        position_id: Optional[int] = None,
+        is_active: Optional[bool] = None,
+        page: int = 1,
+        page_size: int = 20
+    ) -> Dict[str, Any]:
+        """获取成长路径列表"""
+        query = select(GrowthPath).where(GrowthPath.is_deleted == False)
+
+        if position_id is not None:
+            query = query.where(GrowthPath.position_id == position_id)
+        if is_active is not None:
+            query = query.where(GrowthPath.is_active == is_active)
+
+        # 计算总数
+        count_result = await db.execute(
+            select(func.count(GrowthPath.id)).where(GrowthPath.is_deleted == False)
+        )
+        total = count_result.scalar() or 0
+
+        # 分页
+        query = query.order_by(GrowthPath.sort_order, GrowthPath.id.desc())
+        query = query.offset((page - 1) * page_size).limit(page_size)
+
+        result = await db.execute(query)
+        paths = result.scalars().all()
+
+        items = []
+        for path in paths:
+            # 获取岗位名称
+            position_name = None
+            if path.position_id:
+                position = await db.get(Position, path.position_id)
+                if position:
+                    position_name = position.name
+
+            # 获取节点数量
+            node_count_result = await db.execute(
+                select(func.count(GrowthPathNode.id)).where(
+                    and_(
+                        GrowthPathNode.growth_path_id == path.id,
+                        GrowthPathNode.is_deleted == False
+                    )
+                )
+            )
+            node_count = node_count_result.scalar() or 0
+
+            items.append({
+                "id": path.id,
+                "name": path.name,
+                "description": path.description,
+                "position_id": path.position_id,
+                "position_name": position_name,
+                "is_active": path.is_active,
+                "node_count": node_count,
+                "estimated_duration_days": path.estimated_duration_days,
+                "created_at": path.created_at,
+            })
+
+        return {
+            "items": items,
+            "total": total,
+            "page": page,
+            "page_size": page_size,
+        }
+
+    # =====================================================
+    # 学员端 - 获取成长路径
+    # =====================================================
+
+    async def get_trainee_growth_path(
+        self,
+        db: AsyncSession,
+        user_id: int,
+        position_id: Optional[int] = None
+    ) -> Optional[TraineeGrowthPathResponse]:
+        """
+        获取学员的成长路径（含进度）
+        如果指定了岗位ID，返回该岗位的成长路径
+        否则根据用户岗位自动匹配
+        """
+        # 查找成长路径
+        query = select(GrowthPath).where(
+            and_(
+                GrowthPath.is_deleted == False,
+                GrowthPath.is_active == True
+            )
+        )
+        if position_id:
+            query = query.where(GrowthPath.position_id == position_id)
+
+        query = query.order_by(GrowthPath.sort_order).limit(1)
+        result = await db.execute(query)
+        growth_path = result.scalar_one_or_none()
+
+        if not growth_path:
+            return None
+
+        # 获取岗位名称
+        position_name = None
+        if growth_path.position_id:
+            position = await db.get(Position, growth_path.position_id)
+            if position:
+                position_name = position.name
+
+        # 获取所有节点
+        nodes_result = await db.execute(
+            select(GrowthPathNode).where(
+                and_(
+                    GrowthPathNode.growth_path_id == growth_path.id,
+                    GrowthPathNode.is_deleted == False
+                )
+            ).order_by(GrowthPathNode.order_num)
+        )
+        nodes = nodes_result.scalars().all()
+
+        # 获取用户进度
+        progress_result = await db.execute(
+            select(UserGrowthPathProgress).where(
+                and_(
+                    UserGrowthPathProgress.user_id == user_id,
+                    UserGrowthPathProgress.growth_path_id == growth_path.id
+                )
+            )
+        )
+        user_progress = progress_result.scalar_one_or_none()
+
+        # 获取用户节点完成情况
+        completions_result = await db.execute(
+            select(UserNodeCompletion).where(
+                and_(
+                    UserNodeCompletion.user_id == user_id,
+                    UserNodeCompletion.growth_path_id == growth_path.id
+                )
+            )
+        )
+        completions = {c.node_id: c for c in completions_result.scalars().all()}
+
+        # 获取用户课程学习进度
+        course_ids = [n.course_id for n in nodes]
+        course_progress_result = await db.execute(
+            select(UserCourseProgress).where(
+                and_(
+                    UserCourseProgress.user_id == user_id,
+                    UserCourseProgress.course_id.in_(course_ids)
+                )
+            )
+        )
+        course_progress_map = {cp.course_id: cp for cp in course_progress_result.scalars().all()}
+
+        # 构建节点响应
+        completed_node_ids = set(user_progress.completed_node_ids or []) if user_progress else set()
+        nodes_by_stage: Dict[str, List[TraineeNodeResponse]] = {}
+
+        for node in nodes:
+            # 获取课程信息
+            course = await db.get(Course, node.course_id)
+
+            # 计算节点状态
+            node_status = self._calculate_node_status(
+                node=node,
+                completed_node_ids=completed_node_ids,
+                completions=completions,
+                course_progress_map=course_progress_map
+            )
+
+            # 获取课程进度
+            course_prog = course_progress_map.get(node.course_id)
+            progress = float(course_prog.progress) if course_prog else 0
+
+            node_response = TraineeNodeResponse(
+                id=node.id,
+                course_id=node.course_id,
+                title=node.title,
+                description=node.description,
+                stage_name=node.stage_name,
+                is_required=node.is_required,
+                estimated_days=node.estimated_days,
+                order_num=node.order_num,
+                status=node_status,
+                progress=progress,
+                course_name=course.name if course else None,
+                course_cover=course.cover_image if course else None,
+            )
+
+            stage_name = node.stage_name or "默认阶段"
+            if stage_name not in nodes_by_stage:
+                nodes_by_stage[stage_name] = []
+            nodes_by_stage[stage_name].append(node_response)
+
+        # 构建阶段响应
+        stages = []
+        stage_configs = growth_path.stages or []
+        stage_order = {s.get('name', ''): s.get('order', i) for i, s in enumerate(stage_configs)}
+
+        for stage_name, stage_nodes in sorted(nodes_by_stage.items(), key=lambda x: stage_order.get(x[0], 999)):
+            completed_in_stage = sum(1 for n in stage_nodes if n.status == NodeStatus.COMPLETED.value)
+            stage_desc = next((s.get('description') for s in stage_configs if s.get('name') == stage_name), None)
+            
+            stages.append(TraineeStageResponse(
+                name=stage_name,
+                description=stage_desc,
+                completed=completed_in_stage,
+                total=len(stage_nodes),
+                nodes=stage_nodes,
+            ))
+
+        # 计算总体进度
+        total_nodes = len(nodes)
+        completed_count = len(completed_node_ids)
+        total_progress = (completed_count / total_nodes * 100) if total_nodes > 0 else 0
+
+        return TraineeGrowthPathResponse(
+            id=growth_path.id,
+            name=growth_path.name,
+            description=growth_path.description,
+            position_id=growth_path.position_id,
+            position_name=position_name,
+            total_progress=round(total_progress, 1),
+            completed_nodes=completed_count,
+            total_nodes=total_nodes,
+            status=user_progress.status if user_progress else GrowthPathStatus.NOT_STARTED.value,
+            started_at=user_progress.started_at if user_progress else None,
+            estimated_completion_days=growth_path.estimated_duration_days,
+            stages=stages,
+        )
+
+    def _calculate_node_status(
+        self,
+        node: GrowthPathNode,
+        completed_node_ids: set,
+        completions: Dict[int, UserNodeCompletion],
+        course_progress_map: Dict[int, UserCourseProgress]
+    ) -> str:
+        """计算节点状态"""
+        # 已完成
+        if node.id in completed_node_ids:
+            return NodeStatus.COMPLETED.value
+
+        # 检查前置节点
+        prerequisites = node.prerequisites or []
+        if prerequisites:
+            for prereq_id in prerequisites:
+                if prereq_id not in completed_node_ids:
+                    return NodeStatus.LOCKED.value
+
+        # 检查用户节点记录
+        completion = completions.get(node.id)
+        if completion:
+            if completion.status == NodeStatus.IN_PROGRESS.value:
+                return NodeStatus.IN_PROGRESS.value
+            if completion.status == NodeStatus.COMPLETED.value:
+                return NodeStatus.COMPLETED.value
+
+        # 检查课程进度
+        course_progress = course_progress_map.get(node.course_id)
+        if course_progress:
+            if course_progress.status == ProgressStatus.COMPLETED.value:
+                return NodeStatus.COMPLETED.value
+            if course_progress.progress > 0:
+                return NodeStatus.IN_PROGRESS.value
+
+        # 前置已完成，当前未开始
+        return NodeStatus.UNLOCKED.value
+
+    # =====================================================
+    # 学员端 - 开始/完成
+    # =====================================================
+
+    async def start_growth_path(
+        self,
+        db: AsyncSession,
+        user_id: int,
+        growth_path_id: int
+    ) -> UserGrowthPathProgress:
+        """开始学习成长路径"""
+        # 检查成长路径是否存在
+        growth_path = await db.get(GrowthPath, growth_path_id)
+        if not growth_path or growth_path.is_deleted or not growth_path.is_active:
+            raise ValueError("成长路径不存在或未启用")
+
+        # 检查是否已开始
+        existing = await db.execute(
+            select(UserGrowthPathProgress).where(
+                and_(
+                    UserGrowthPathProgress.user_id == user_id,
+                    UserGrowthPathProgress.growth_path_id == growth_path_id
+                )
+            )
+        )
+        if existing.scalar_one_or_none():
+            raise ValueError("已开始学习此成长路径")
+
+        # 创建进度记录
+        progress = UserGrowthPathProgress(
+            user_id=user_id,
+            growth_path_id=growth_path_id,
+            status=GrowthPathStatus.IN_PROGRESS.value,
+            started_at=datetime.now(),
+            last_activity_at=datetime.now(),
+        )
+        db.add(progress)
+
+        # 获取第一个节点（无前置依赖的）
+        first_node_result = await db.execute(
+            select(GrowthPathNode).where(
+                and_(
+                    GrowthPathNode.growth_path_id == growth_path_id,
+                    GrowthPathNode.is_deleted == False
+                )
+            ).order_by(GrowthPathNode.order_num).limit(1)
+        )
+        first_node = first_node_result.scalar_one_or_none()
+
+        if first_node:
+            progress.current_node_id = first_node.id
+            # 解锁第一个节点
+            completion = UserNodeCompletion(
+                user_id=user_id,
+                growth_path_id=growth_path_id,
+                node_id=first_node.id,
+                status=NodeStatus.UNLOCKED.value,
+                unlocked_at=datetime.now(),
+            )
+            db.add(completion)
+
+        await db.commit()
+        await db.refresh(progress)
+
+        logger.info(f"用户 {user_id} 开始学习成长路径 {growth_path_id}")
+        return progress
+
+    async def complete_node(
+        self,
+        db: AsyncSession,
+        user_id: int,
+        node_id: int
+    ) -> Dict[str, Any]:
+        """完成节点"""
+        # 获取节点
+        node = await db.get(GrowthPathNode, node_id)
+        if not node or node.is_deleted:
+            raise ValueError("节点不存在")
+
+        # 获取用户进度
+        progress_result = await db.execute(
+            select(UserGrowthPathProgress).where(
+                and_(
+                    UserGrowthPathProgress.user_id == user_id,
+                    UserGrowthPathProgress.growth_path_id == node.growth_path_id
+                )
+            )
+        )
+        progress = progress_result.scalar_one_or_none()
+        if not progress:
+            raise ValueError("请先开始学习此成长路径")
+
+        # 检查前置节点是否完成
+        completed_node_ids = set(progress.completed_node_ids or [])
+        prerequisites = node.prerequisites or []
+        for prereq_id in prerequisites:
+            if prereq_id not in completed_node_ids:
+                raise ValueError("前置节点未完成")
+
+        # 更新节点完成状态
+        completion_result = await db.execute(
+            select(UserNodeCompletion).where(
+                and_(
+                    UserNodeCompletion.user_id == user_id,
+                    UserNodeCompletion.node_id == node_id
+                )
+            )
+        )
+        completion = completion_result.scalar_one_or_none()
+        if not completion:
+            completion = UserNodeCompletion(
+                user_id=user_id,
+                growth_path_id=node.growth_path_id,
+                node_id=node_id,
+            )
+            db.add(completion)
+
+        completion.status = NodeStatus.COMPLETED.value
+        completion.course_progress = Decimal("100.00")
+        completion.completed_at = datetime.now()
+
+        # 更新用户进度
+        completed_node_ids.add(node_id)
+        progress.completed_node_ids = list(completed_node_ids)
+        progress.last_activity_at = datetime.now()
+
+        # 计算总进度
+        total_nodes_result = await db.execute(
+            select(func.count(GrowthPathNode.id)).where(
+                and_(
+                    GrowthPathNode.growth_path_id == node.growth_path_id,
+                    GrowthPathNode.is_deleted == False
+                )
+            )
+        )
+        total_nodes = total_nodes_result.scalar() or 0
+        progress.total_progress = Decimal(str(len(completed_node_ids) / total_nodes * 100)) if total_nodes > 0 else Decimal("0")
+
+        # 检查是否全部完成
+        if len(completed_node_ids) >= total_nodes:
+            progress.status = GrowthPathStatus.COMPLETED.value
+            progress.completed_at = datetime.now()
+
+        # 解锁下一个节点
+        next_nodes = await self._get_unlockable_nodes(
+            db, node.growth_path_id, completed_node_ids
+        )
+
+        await db.commit()
+
+        logger.info(f"用户 {user_id} 完成节点 {node_id}")
+        return {
+            "completed": True,
+            "total_progress": float(progress.total_progress),
+            "is_path_completed": progress.status == GrowthPathStatus.COMPLETED.value,
+            "unlocked_nodes": [n.id for n in next_nodes],
+        }
+
+    async def _get_unlockable_nodes(
+        self,
+        db: AsyncSession,
+        growth_path_id: int,
+        completed_node_ids: set
+    ) -> List[GrowthPathNode]:
+        """获取可解锁的节点"""
+        nodes_result = await db.execute(
+            select(GrowthPathNode).where(
+                and_(
+                    GrowthPathNode.growth_path_id == growth_path_id,
+                    GrowthPathNode.is_deleted == False,
+                    GrowthPathNode.id.notin_(completed_node_ids) if completed_node_ids else True
+                )
+            )
+        )
+        nodes = nodes_result.scalars().all()
+
+        unlockable = []
+        for node in nodes:
+            prerequisites = node.prerequisites or []
+            if all(p in completed_node_ids for p in prerequisites):
+                unlockable.append(node)
+
+        return unlockable
+
+    # =====================================================
+    # 同步课程进度到节点
+    # =====================================================
+
+    async def sync_course_progress(
+        self,
+        db: AsyncSession,
+        user_id: int,
+        course_id: int,
+        progress: float
+    ):
+        """
+        同步课程学习进度到成长路径节点
+        当用户完成课程学习时调用
+        """
+        # 查找包含该课程的节点
+        nodes_result = await db.execute(
+            select(GrowthPathNode).where(
+                and_(
+                    GrowthPathNode.course_id == course_id,
+                    GrowthPathNode.is_deleted == False
+                )
+            )
+        )
+        nodes = nodes_result.scalars().all()
+
+        for node in nodes:
+            # 获取用户在该成长路径的进度
+            progress_result = await db.execute(
+                select(UserGrowthPathProgress).where(
+                    and_(
+                        UserGrowthPathProgress.user_id == user_id,
+                        UserGrowthPathProgress.growth_path_id == node.growth_path_id
+                    )
+                )
+            )
+            user_progress = progress_result.scalar_one_or_none()
+            if not user_progress:
+                continue
+
+            # 更新节点完成记录
+            completion_result = await db.execute(
+                select(UserNodeCompletion).where(
+                    and_(
+                        UserNodeCompletion.user_id == user_id,
+                        UserNodeCompletion.node_id == node.id
+                    )
+                )
+            )
+            completion = completion_result.scalar_one_or_none()
+            if not completion:
+                completion = UserNodeCompletion(
+                    user_id=user_id,
+                    growth_path_id=node.growth_path_id,
+                    node_id=node.id,
+                    status=NodeStatus.IN_PROGRESS.value,
+                    started_at=datetime.now(),
+                )
+                db.add(completion)
+
+            completion.course_progress = Decimal(str(progress))
+
+            # 如果进度达到100%，自动完成节点
+            if progress >= 100:
+                await self.complete_node(db, user_id, node.id)
+
+        await db.commit()
+
+
+# 全局实例
+growth_path_service = GrowthPathService()

frontend/src/api/manager/index.ts

@@ -102,28 +102,97 @@ export interface CourseDetailForManager extends CourseInfo {
   }>
 }
 
-// 成长路径配置
-export interface GrowthPathConfig {
+// 成长路径节点
+export interface GrowthPathNode {
   id: number
-  positionId: number
-  positionName: string
+  growth_path_id: number
+  course_id: number
+  course_name?: string
+  stage_name?: string
+  title: string
+  description?: string
+  order_num: number
+  is_required: boolean
+  prerequisites?: number[]
+  estimated_days: number
+  created_at: string
+  updated_at: string
+}
+
+// 阶段配置
+export interface StageConfig {
   name: string
   description?: string
-  courses: Array<{
-    courseId: number
-    courseName: string
-    isRequired: boolean
-    prerequisites: number[]
   order: number
-    estimatedDays: number
-  }>
-  totalCourses: number
-  requiredCourses: number
-  optionalCourses: number
-  estimatedDays: number
-  status: 'active' | 'inactive'
-  createdAt: string
-  updatedAt: string
+}
+
+// 成长路径配置（新版）
+export interface GrowthPathConfig {
+  id: number
+  name: string
+  description?: string
+  target_role?: string
+  position_id?: number
+  position_name?: string
+  stages?: StageConfig[]
+  estimated_duration_days?: number
+  is_active: boolean
+  sort_order: number
+  nodes: GrowthPathNode[]
+  node_count: number
+  created_at: string
+  updated_at: string
+}
+
+// 成长路径列表项
+export interface GrowthPathListItem {
+  id: number
+  name: string
+  description?: string
+  position_id?: number
+  position_name?: string
+  is_active: boolean
+  node_count: number
+  estimated_duration_days?: number
+  created_at: string
+}
+
+// 创建节点请求
+export interface CreateGrowthPathNode {
+  course_id: number
+  stage_name?: string
+  title: string
+  description?: string
+  order_num: number
+  is_required: boolean
+  prerequisites?: number[]
+  estimated_days: number
+}
+
+// 创建成长路径请求
+export interface CreateGrowthPathRequest {
+  name: string
+  description?: string
+  target_role?: string
+  position_id?: number
+  stages?: StageConfig[]
+  estimated_duration_days?: number
+  is_active?: boolean
+  sort_order?: number
+  nodes?: CreateGrowthPathNode[]
+}
+
+// 更新成长路径请求
+export interface UpdateGrowthPathRequest {
+  name?: string
+  description?: string
+  target_role?: string
+  position_id?: number
+  stages?: StageConfig[]
+  estimated_duration_days?: number
+  is_active?: boolean
+  sort_order?: number
+  nodes?: CreateGrowthPathNode[]
 }
 
 // AI陪练场景（管理视图）
@@ -364,49 +433,44 @@ export const analyzeKnowledgePoints = (courseId: number) => {
  */
 export const getGrowthPathConfigs = (params: {
   page?: number
-  size?: number
-  positionId?: number
-  status?: string
+  page_size?: number
+  position_id?: number
+  is_active?: boolean
 } = {}) => {
   return request.get<{
-    items: GrowthPathConfig[]
+    items: GrowthPathListItem[]
     total: number
     page: number
-    size: number
+    page_size: number
   }>('/api/v1/manager/growth-paths', { params })
 }
 
+/**
+ * 获取成长路径详情
+ */
+export const getGrowthPathDetail = (pathId: number) => {
+  return request.get<GrowthPathConfig>(`/api/v1/manager/growth-paths/${pathId}`)
+}
+
 /**
  * 创建成长路径
  */
-export const createGrowthPath = (data: {
-  positionId: number
-  name: string
-  description?: string
-  courses: Array<{
-    courseId: number
-    isRequired: boolean
-    prerequisites?: number[]
-    estimatedDays?: number
-  }>
-}) => {
-  return request.post<GrowthPathConfig>('/api/v1/manager/growth-paths', data)
+export const createGrowthPath = (data: CreateGrowthPathRequest) => {
+  return request.post<{ success: boolean; message: string; id: number }>('/api/v1/manager/growth-paths', data)
 }
 
 /**
  * 更新成长路径
  */
-export const updateGrowthPath = (pathId: number, data: {
-  name?: string
-  description?: string
-  courses?: Array<{
-    courseId: number
-    isRequired: boolean
-    prerequisites?: number[]
-    estimatedDays?: number
-  }>
-}) => {
-  return request.put<GrowthPathConfig>(`/api/v1/manager/growth-paths/${pathId}`, data)
+export const updateGrowthPath = (pathId: number, data: UpdateGrowthPathRequest) => {
+  return request.put<{ success: boolean; message: string }>(`/api/v1/manager/growth-paths/${pathId}`, data)
+}
+
+/**
+ * 删除成长路径
+ */
+export const deleteGrowthPath = (pathId: number) => {
+  return request.delete<{ success: boolean; message: string }>(`/api/v1/manager/growth-paths/${pathId}`)
 }
 
 /**

frontend/src/api/trainee/index.ts

@@ -40,7 +40,48 @@ export interface CourseMaterial {
   createdAt: string
 }
 
-// 成长路径节点
+// 成长路径节点（学员端）
+export interface TraineeGrowthPathNode {
+  id: number
+  course_id: number
+  title: string
+  description?: string
+  stage_name?: string
+  is_required: boolean
+  estimated_days: number
+  order_num: number
+  status: 'locked' | 'unlocked' | 'in_progress' | 'completed'
+  progress: number
+  course_name?: string
+  course_cover?: string
+}
+
+// 成长路径阶段
+export interface TraineeGrowthPathStage {
+  name: string
+  description?: string
+  completed: number
+  total: number
+  nodes: TraineeGrowthPathNode[]
+}
+
+// 成长路径（学员端响应）
+export interface TraineeGrowthPath {
+  id: number
+  name: string
+  description?: string
+  position_id?: number
+  position_name?: string
+  total_progress: number
+  completed_nodes: number
+  total_nodes: number
+  status: 'not_started' | 'in_progress' | 'completed'
+  started_at?: string
+  estimated_completion_days?: number
+  stages: TraineeGrowthPathStage[]
+}
+
+// 兼容旧接口
 export interface GrowthPathNode {
   id: number
   courseId: number
@@ -54,7 +95,7 @@ export interface GrowthPathNode {
   order: number
 }
 
-// 成长路径
+// 兼容旧接口
 export interface GrowthPath {
   id: number
   name: string
@@ -226,10 +267,35 @@ export const markMaterialCompleted = (materialId: number) => {
 }
 
 /**
- * 获取成长路径
+ * 获取成长路径（学员端）
  */
-export const getGrowthPath = () => {
-  return request.get<GrowthPath>('/api/v1/trainee/growth-path')
+export const getGrowthPath = (positionId?: number) => {
+  return request.get<TraineeGrowthPath>('/api/v1/trainee/growth-path', {
+    params: positionId ? { position_id: positionId } : {}
+  })
+}
+
+/**
+ * 开始学习成长路径
+ */
+export const startGrowthPath = (growthPathId: number) => {
+  return request.post<{ success: boolean; message: string; progress_id: number }>('/api/v1/trainee/growth-path/start', {
+    growth_path_id: growthPathId
+  })
+}
+
+/**
+ * 完成成长路径节点
+ */
+export const completeGrowthPathNode = (nodeId: number) => {
+  return request.post<{
+    completed: boolean
+    total_progress: number
+    is_path_completed: boolean
+    unlocked_nodes: number[]
+  }>('/api/v1/trainee/growth-path/node/complete', {
+    node_id: nodeId
+  })
 }
 
 /**

frontend/src/views/trainee/growth-path.vue

@@ -363,7 +363,7 @@
 </template>
 
 <script setup lang="ts">
-import { ref, computed, onMounted, onUnmounted, nextTick } from 'vue'
+import { ref, computed, onMounted, onUnmounted, nextTick, watch } from 'vue'
 import { useRouter } from 'vue-router'
 import { ElMessage } from 'element-plus'
 import { 
@@ -374,7 +374,8 @@ import {
   Cpu  // 机器人图标
 } from '@element-plus/icons-vue'
 import * as echarts from 'echarts'
-import { analyzeYanjiBadge, getCourseDetail } from '@/api/trainee'
+import { analyzeYanjiBadge, getCourseDetail, getGrowthPath, startGrowthPath } from '@/api/trainee'
+import type { TraineeGrowthPath, TraineeGrowthPathStage } from '@/api/trainee'
 import { getCurrentUserProfile } from '@/api/user'
 
 const router = useRouter()
@@ -451,100 +452,73 @@ const expPercentage = computed(() => {
   return Math.round((userInfo.value.exp / userInfo.value.nextLevelExp) * 100)
 })
 
-// 成长路径数据
-const growthPath = ref([
-  {
-    name: '基础阶段',
-    completed: 3,
-    total: 3,
-    nodes: [
-      {
-        id: 1,
-        title: '机构文化与服务理念',
-        description: '了解机构的服务理念和专业文化',
-        status: 'completed',
-        progress: 100
-      },
-      {
-        id: 2,
-        title: '美容产品基础知识',
-        description: '学习美容产品的基本知识和使用方法',
-        status: 'completed',
-        progress: 100
-      },
-      {
-        id: 3,
-        title: '客户接待与服务标准',
-        description: '掌握专业的客户接待和服务流程',
-        status: 'completed',
-        progress: 100
-      }
-    ]
-  },
-  {
-    name: '进阶阶段',
-    completed: 2,
-    total: 4,
-    nodes: [
-      {
-        id: 4,
-        title: '皮肤分析技术',
-        description: '学习专业的皮肤分析方法和技术',
-        status: 'completed',
-        progress: 100
-      },
-      {
-        id: 5,
-        title: '美容仪器操作',
-        description: '掌握各种美容仪器的操作方法',
-        status: 'completed',
-        progress: 100
-      },
-      {
-        id: 6,
-        title: '客户沟通进阶',
-        description: '学习高级的客户沟通和咨询技巧',
-        status: 'current',
-        progress: 65
-      },
-      {
-        id: 7,
-        title: '美容方案设计',
-        description: '学习为客户设计个性化的美容方案',
-        status: 'locked',
-        progress: 0
-      }
-    ]
-  },
-  {
-    name: '高级阶段',
+// 成长路径数据（从API加载）
+const growthPathData = ref<TraineeGrowthPath | null>(null)
+const growthPathLoading = ref(false)
+
+// 将API数据转换为前端展示格式
+const growthPath = computed(() => {
+  if (!growthPathData.value || !growthPathData.value.stages) {
+    // 返回默认空数据或占位数据
+    return [{
+      name: '暂无成长路径',
       completed: 0,
-    total: 3,
-    nodes: [
-      {
-        id: 8,
-        title: '轻医美项目咨询',
-        description: '掌握轻医美项目的专业咨询技能',
-        status: 'locked',
-        progress: 0
-      },
-      {
-        id: 9,
-        title: '团队协作与管理',
-        description: '学习团队协作和基础管理技能',
-        status: 'locked',
-        progress: 0
-      },
-      {
-        id: 10,
-        title: '高级美容技术',
-        description: '掌握高级美容技术和创新方法',
-        status: 'locked',
-        progress: 0
+      total: 0,
+      nodes: []
+    }]
   }
-    ]
+  
+  return growthPathData.value.stages.map(stage => ({
+    name: stage.name,
+    completed: stage.completed,
+    total: stage.total,
+    nodes: stage.nodes.map(node => ({
+      id: node.id,
+      courseId: node.course_id,
+      title: node.title,
+      description: node.description || '',
+      status: node.status, // locked/unlocked/in_progress/completed
+      progress: node.progress
+    }))
+  }))
+})
+
+/**
+ * 加载成长路径数据
+ */
+const loadGrowthPath = async () => {
+  growthPathLoading.value = true
+  try {
+    const response = await getGrowthPath()
+    if (response.code === 200 && response.data) {
+      growthPathData.value = response.data
     }
-])
+  } catch (error) {
+    console.error('加载成长路径失败:', error)
+    // 失败时不显示错误，保持空状态
+  } finally {
+    growthPathLoading.value = false
+  }
+}
+
+/**
+ * 开始学习成长路径
+ */
+const handleStartGrowthPath = async () => {
+  if (!growthPathData.value) return
+  
+  try {
+    const response = await startGrowthPath(growthPathData.value.id)
+    if (response.code === 200) {
+      ElMessage.success('已开始学习成长路径')
+      // 重新加载数据
+      await loadGrowthPath()
+    }
+  } catch (error: any) {
+    console.error('开始学习失败:', error)
+    ElMessage.error(error.response?.data?.detail || '开始学习失败')
+  }
+}
 
 /**
  * 初始化雷达图
@@ -754,12 +728,12 @@ const handleNodeClick = (node: any) => {
     return
   }
   
-  if (node.status === 'completed') {
-    ElMessage.info(`${node.title} 已完成`)
-    return
+  // 跳转到课程详情页
+  if (node.courseId) {
+    router.push(`/trainee/course-detail?id=${node.courseId}`)
+  } else {
+    ElMessage.info(`${node.title}`)
   }
-  
-  ElMessage.success(`开始学习：${node.title}`)
 }
 
 /**
@@ -921,6 +895,9 @@ onMounted(async () => {
   // 获取用户信息
   await fetchUserInfo()
   
+  // 加载成长路径数据
+  await loadGrowthPath()
+  
   nextTick(() => {
     initRadarChart()
   })