feat: 初始化孕育无忧全栈项目基础代码结构

完成项目初始搭建，包含后端FastAPI+MongoDB服务、前端React+Vite项目的完整基础结构，添加各类配置文件与依赖清单，涵盖核心业务初始框架。

backend/app/routers/share.py

@@ -0,0 +1,70 @@
+from fastapi import APIRouter, Depends, HTTPException
+from pydantic import BaseModel
+
+from app.middleware.auth import get_current_user
+from app.models.analysis import Analysis
+from app.models.report import Report
+from app.models.user import User
+from app.utils.helpers import parse_object_id, mask_name
+
+router = APIRouter()
+
+
+class ShareOptions(BaseModel):
+    privacy_mode: bool = True  # 隐私模式，脱敏个人信息
+    include_details: bool = False  # 是否包含详细数据
+
+
+@router.post("/{report_id}/generate")
+async def generate_share_data(
+    report_id: str,
+    options: ShareOptions = ShareOptions(privacy_mode=True, include_details=True),
+    user: User = Depends(get_current_user),
+):
+    """生成分享数据"""
+    oid = parse_object_id(report_id)
+    report = await Report.get(oid)
+    if not report or report.user_id != user.id:
+        raise HTTPException(status_code=404, detail="报告不存在")
+
+    analysis = await Analysis.find_one(Analysis.report_id == report.id)
+    if not analysis:
+        raise HTTPException(status_code=404, detail="暂无解读结果")
+
+    # Build share data
+    share_data = {
+        "report_type": report.report_type,
+        "pregnancy_week": report.pregnancy_week,
+        "overall_status": analysis.overall_status,
+        "risk_level": analysis.risk_level,
+        "overall_summary": analysis.overall_summary,
+        "emotional_summary": analysis.emotional_summary,
+        "action_items": [a.model_dump() for a in analysis.action_items],
+        "tips": analysis.tips,
+        "categories": [
+            {
+                "category": cat.category,
+                "status": cat.status,
+                "indicators": [
+                    {
+                        "name": ind.name,
+                        "nickname": ind.nickname,
+                        "value": ind.value,
+                        "status": ind.status,
+                        "what_is_it": ind.what_is_it,
+                        "impact": ind.impact,
+                        "suggestion": ind.suggestion,
+                    }
+                    for ind in cat.indicators
+                ],
+            }
+            for cat in analysis.categories
+        ],
+    }
+
+    if not options.privacy_mode:
+        share_data["user_name"] = user.name
+    else:
+        share_data["user_name"] = mask_name(user.name)
+
+    return {"share_data": share_data}