Initial commit: 健康管家 AI 健康陪伴助手

- Backend: .NET 10 Minimal API + EF Core + PostgreSQL
- Frontend: Flutter + Riverpod + GoRouter + Dio
- AI: DeepSeek LLM + Qwen VLM (OpenAI-compatible)
- Auth: SMS + JWT (access/refresh tokens)
- Features: AI chat, health tracking, medication management, diet analysis, exercise plans, doctor consultations, report analysis

backend/src/Health.Domain/Entities/Consultation.cs

@@ -0,0 +1,53 @@
+using Health.Domain.Enums;
+
+namespace Health.Domain.Entities;
+
+/// <summary>
+/// 问诊会话
+/// </summary>
+public sealed class Consultation
+{
+    public Guid Id { get; set; }
+    public Guid UserId { get; set; }
+    public Guid DoctorId { get; set; }
+    public ConsultationStatus Status { get; set; }
+    public int Month { get; set; }               // 所属月份，用于配额计算
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+    public DateTime? ClosedAt { get; set; }
+
+    public User User { get; set; } = null!;
+    public Doctor Doctor { get; set; } = null!;
+    public ICollection<ConsultationMessage> Messages { get; set; } = [];
+}
+
+/// <summary>
+/// 问诊消息
+/// </summary>
+public sealed class ConsultationMessage
+{
+    public Guid Id { get; set; }
+    public Guid ConsultationId { get; set; }
+    public ConsultationSenderType SenderType { get; set; }
+    public string? SenderName { get; set; }
+    public string Content { get; set; } = string.Empty;
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+
+    public Consultation Consultation { get; set; } = null!;
+}
+
+/// <summary>
+/// 医生
+/// </summary>
+public sealed class Doctor
+{
+    public Guid Id { get; set; }
+    public string Name { get; set; } = string.Empty;
+    public string? Title { get; set; }           // 主任医师/副主任医师
+    public string? Department { get; set; }      // 心血管内科/营养科
+    public string? AvatarUrl { get; set; }
+    public string? Introduction { get; set; }
+    public bool IsActive { get; set; } = true;
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+
+    public ICollection<Consultation> Consultations { get; set; } = [];
+}

backend/src/Health.Domain/Entities/Conversation.cs

@@ -0,0 +1,39 @@
+using Health.Domain.Enums;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Health.Domain.Entities;
+
+/// <summary>
+/// AI 对话会话
+/// </summary>
+public sealed class Conversation
+{
+    public Guid Id { get; set; }
+    public Guid UserId { get; set; }
+    public AgentType AgentType { get; set; }
+    public string? Title { get; set; }
+    public string? Summary { get; set; }          // 侧滑抽屉显示用摘要
+    public int MessageCount { get; set; }
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+    public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
+
+    public User User { get; set; } = null!;
+    public ICollection<ConversationMessage> Messages { get; set; } = [];
+}
+
+/// <summary>
+/// AI 对话消息
+/// </summary>
+public sealed class ConversationMessage
+{
+    public Guid Id { get; set; }
+    public Guid ConversationId { get; set; }
+    public MessageRole Role { get; set; }
+    public string Content { get; set; } = string.Empty;
+    public string? Intent { get; set; }           // health_record / diet / medication / exercise / report / chat
+    [Column(TypeName = "jsonb")]
+    public string? MetadataJson { get; set; }    // 结构化数据（录入数值、食物列表、卡片数据等）
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+
+    public Conversation Conversation { get; set; } = null!;
+}

backend/src/Health.Domain/Entities/DietRecord.cs

@@ -0,0 +1,39 @@
+using Health.Domain.Enums;
+
+namespace Health.Domain.Entities;
+
+/// <summary>
+/// 饮食记录
+/// </summary>
+public sealed class DietRecord
+{
+    public Guid Id { get; set; }
+    public Guid UserId { get; set; }
+    public MealType MealType { get; set; }
+    public int? TotalCalories { get; set; }
+    public int? HealthScore { get; set; } // 1-5 星
+    public DateOnly RecordedAt { get; set; }
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+
+    public User User { get; set; } = null!;
+    public ICollection<DietFoodItem> FoodItems { get; set; } = [];
+}
+
+/// <summary>
+/// 饮食记录中的食物条目
+/// </summary>
+public sealed class DietFoodItem
+{
+    public Guid Id { get; set; }
+    public Guid DietRecordId { get; set; }
+    public string Name { get; set; } = string.Empty;
+    public string? Portion { get; set; }
+    public int? Calories { get; set; }
+    public decimal? ProteinGrams { get; set; }
+    public decimal? CarbsGrams { get; set; }
+    public decimal? FatGrams { get; set; }
+    public string? Warning { get; set; }
+    public int SortOrder { get; set; }
+
+    public DietRecord DietRecord { get; set; } = null!;
+}

backend/src/Health.Domain/Entities/ExercisePlan.cs

@@ -0,0 +1,33 @@
+namespace Health.Domain.Entities;
+
+/// <summary>
+/// 运动计划（按周）
+/// </summary>
+public sealed class ExercisePlan
+{
+    public Guid Id { get; set; }
+    public Guid UserId { get; set; }
+    public DateOnly WeekStartDate { get; set; } // 本周一
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+    public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
+
+    public User User { get; set; } = null!;
+    public ICollection<ExercisePlanItem> Items { get; set; } = [];
+}
+
+/// <summary>
+/// 运动计划每日条目
+/// </summary>
+public sealed class ExercisePlanItem
+{
+    public Guid Id { get; set; }
+    public Guid PlanId { get; set; }
+    public int DayOfWeek { get; set; }    // 0=周一, 6=周日
+    public string ExerciseType { get; set; } = string.Empty; // 散步/慢跑/游泳
+    public int DurationMinutes { get; set; }
+    public bool IsCompleted { get; set; }
+    public DateTime? CompletedAt { get; set; }
+    public bool IsRestDay { get; set; }
+
+    public ExercisePlan Plan { get; set; } = null!;
+}

backend/src/Health.Domain/Entities/HealthRecord.cs

@@ -0,0 +1,23 @@
+using Health.Domain.Enums;
+
+namespace Health.Domain.Entities;
+
+/// <summary>
+/// 健康数据记录（血压/心率/血糖/血氧/体重）
+/// </summary>
+public sealed class HealthRecord
+{
+    public Guid Id { get; set; }
+    public Guid UserId { get; set; }
+    public HealthMetricType MetricType { get; set; }
+    public int? Systolic { get; set; }      // 血压收缩压
+    public int? Diastolic { get; set; }     // 血压舒张压
+    public decimal? Value { get; set; }     // 通用数值（心率/血糖/血氧/体重）
+    public string? Unit { get; set; }       // 单位
+    public HealthRecordSource Source { get; set; }
+    public bool IsAbnormal { get; set; }
+    public DateTime RecordedAt { get; set; }
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+
+    public User User { get; set; } = null!;
+}

backend/src/Health.Domain/Entities/Medication.cs

@@ -0,0 +1,41 @@
+using Health.Domain.Enums;
+
+namespace Health.Domain.Entities;
+
+/// <summary>
+/// 用药计划
+/// </summary>
+public sealed class Medication
+{
+    public Guid Id { get; set; }
+    public Guid UserId { get; set; }
+    public string Name { get; set; } = string.Empty;
+    public string? Dosage { get; set; }
+    public MedicationFrequency Frequency { get; set; }
+    public List<TimeOnly> TimeOfDay { get; set; } = []; // PostgreSQL TIME[] 数组
+    public DateOnly? StartDate { get; set; }
+    public DateOnly? EndDate { get; set; }
+    public bool IsActive { get; set; } = true;
+    public MedicationSource Source { get; set; }
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+    public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
+
+    public User User { get; set; } = null!;
+    public ICollection<MedicationLog> Logs { get; set; } = [];
+}
+
+/// <summary>
+/// 用药打卡记录
+/// </summary>
+public sealed class MedicationLog
+{
+    public Guid Id { get; set; }
+    public Guid MedicationId { get; set; }
+    public Guid UserId { get; set; }
+    public MedicationLogStatus Status { get; set; }
+    public TimeOnly ScheduledTime { get; set; }
+    public DateTime? ConfirmedAt { get; set; }
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+
+    public Medication Medication { get; set; } = null!;
+}

backend/src/Health.Domain/Entities/Report.cs

@@ -0,0 +1,26 @@
+using Health.Domain.Enums;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Health.Domain.Entities;
+
+/// <summary>
+/// 检查报告
+/// </summary>
+public sealed class Report
+{
+    public Guid Id { get; set; }
+    public Guid UserId { get; set; }
+    public string FileUrl { get; set; } = string.Empty;
+    public ReportFileType FileType { get; set; }
+    public ReportCategory Category { get; set; }
+    public string? AiSummary { get; set; }        // AI 预解读结果
+    [Column(TypeName = "jsonb")]
+    public string? AiIndicators { get; set; }      // JSONB: [{name, value, unit, range, status}]
+    public ReportStatus Status { get; set; }
+    public string? DoctorComment { get; set; }     // 医生审核意见
+    public string? DoctorName { get; set; }
+    public DateTime? ReviewedAt { get; set; }
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+
+    public User User { get; set; } = null!;
+}

backend/src/Health.Domain/Entities/SupportEntities.cs

@@ -0,0 +1,99 @@
+using Health.Domain.Enums;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Health.Domain.Entities;
+
+/// <summary>
+/// 复查/随访计划
+/// </summary>
+public sealed class FollowUp
+{
+    public Guid Id { get; set; }
+    public Guid UserId { get; set; }
+    public string Title { get; set; } = string.Empty;
+    public string? DoctorName { get; set; }
+    public string? Department { get; set; }
+    public DateTime ScheduledAt { get; set; }
+    public string? Notes { get; set; }
+    public FollowUpStatus Status { get; set; }
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+
+    public User User { get; set; } = null!;
+}
+
+/// <summary>
+/// 健康档案
+/// </summary>
+public sealed class HealthArchive
+{
+    public Guid Id { get; set; }
+    public Guid UserId { get; set; }
+    public string? Diagnosis { get; set; }          // 主要诊断
+    public string? SurgeryType { get; set; }        // 手术类型
+    public DateOnly? SurgeryDate { get; set; }      // 手术日期
+    public List<string> Allergies { get; set; } = [];           // 过敏信息
+    public List<string> DietRestrictions { get; set; } = [];    // 饮食限制
+    public List<string> ChronicDiseases { get; set; } = [];     // 慢病史
+    public string? FamilyHistory { get; set; }       // 家族病史
+    public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
+
+    public User User { get; set; } = null!;
+}
+
+/// <summary>
+/// 刷新令牌
+/// </summary>
+public sealed class RefreshToken
+{
+    public Guid Id { get; set; }
+    public Guid UserId { get; set; }
+    public string Token { get; set; } = string.Empty;
+    public DateTime ExpiresAt { get; set; }
+    public bool IsRevoked { get; set; }
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+}
+
+/// <summary>
+/// 短信验证码
+/// </summary>
+public sealed class VerificationCode
+{
+    public Guid Id { get; set; }
+    public string Phone { get; set; } = string.Empty;
+    public string Code { get; set; } = string.Empty;
+    public DateTime ExpiresAt { get; set; }
+    public bool IsUsed { get; set; }
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+}
+
+/// <summary>
+/// 通知偏好
+/// </summary>
+public sealed class NotificationPreference
+{
+    public Guid Id { get; set; }
+    public Guid UserId { get; set; }
+    public bool MedicationReminder { get; set; } = true;
+    public bool FollowUpReminder { get; set; } = true;
+    public bool DoctorReply { get; set; } = true;
+    public bool AbnormalAlert { get; set; } = true;
+    public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
+
+    public User User { get; set; } = null!;
+}
+
+/// <summary>
+/// 设备推送 token
+/// </summary>
+public sealed class DeviceToken
+{
+    public Guid Id { get; set; }
+    public Guid UserId { get; set; }
+    public string Platform { get; set; } = string.Empty; // ios / android
+    public string PushToken { get; set; } = string.Empty;
+    public bool IsActive { get; set; } = true;
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+    public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
+
+    public User User { get; set; } = null!;
+}

backend/src/Health.Domain/Entities/User.cs

@@ -0,0 +1,29 @@
+namespace Health.Domain.Entities;
+
+/// <summary>
+/// 用户（患者）
+/// </summary>
+public sealed class User
+{
+    public Guid Id { get; set; }
+    public string Phone { get; set; } = string.Empty;
+    public string? Name { get; set; }
+    public string? Gender { get; set; }
+    public DateOnly? BirthDate { get; set; }
+    public string? AvatarUrl { get; set; }
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+    public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
+
+    // 导航属性
+    public ICollection<HealthRecord> HealthRecords { get; set; } = [];
+    public ICollection<Medication> Medications { get; set; } = [];
+    public ICollection<DietRecord> DietRecords { get; set; } = [];
+    public ICollection<ExercisePlan> ExercisePlans { get; set; } = [];
+    public ICollection<Report> Reports { get; set; } = [];
+    public ICollection<Conversation> Conversations { get; set; } = [];
+    public ICollection<Consultation> Consultations { get; set; } = [];
+    public ICollection<FollowUp> FollowUps { get; set; } = [];
+    public ICollection<DeviceToken> DeviceTokens { get; set; } = [];
+    public HealthArchive? HealthArchive { get; set; }
+    public NotificationPreference? NotificationPreference { get; set; }
+}

backend/src/Health.Domain/Enums/HealthEnums.cs

@@ -0,0 +1,152 @@
+namespace Health.Domain.Enums;
+
+/// <summary>
+/// 健康指标类型
+/// </summary>
+public enum HealthMetricType
+{
+    BloodPressure,  // 血压（收缩压+舒张压）
+    HeartRate,      // 心率
+    Glucose,        // 血糖
+    SpO2,           // 血氧
+    Weight          // 体重
+}
+
+/// <summary>
+/// 数据录入来源
+/// </summary>
+public enum HealthRecordSource
+{
+    AiEntry,    // AI 对话录入
+    DeviceSync, // 设备自动同步
+    Manual      // 手动录入
+}
+
+/// <summary>
+/// 餐次类型
+/// </summary>
+public enum MealType
+{
+    Breakfast,  // 早餐
+    Lunch,      // 午餐
+    Dinner,     // 晚餐
+    Snack       // 加餐
+}
+
+/// <summary>
+/// 用药计划来源
+/// </summary>
+public enum MedicationSource
+{
+    Prescription, // 处方
+    AiEntry,      // AI 对话
+    Manual        // 手动
+}
+
+/// <summary>
+/// 服药打卡状态
+/// </summary>
+public enum MedicationLogStatus
+{
+    Taken,   // 已服用
+    Missed,  // 漏服
+    Skipped  // 跳过
+}
+
+/// <summary>
+/// 用药频次
+/// </summary>
+public enum MedicationFrequency
+{
+    Daily,       // 每天一次
+    TwiceDaily,  // 每天两次
+    ThreeTimesDaily, // 每天三次
+    Weekly,      // 每周
+    AsNeeded     // 必要时
+}
+
+/// <summary>
+/// 报告状态
+/// </summary>
+public enum ReportStatus
+{
+    PendingDoctor,  // 待医生确认
+    DoctorReviewed  // 医生已确认
+}
+
+/// <summary>
+/// 报告文件类型
+/// </summary>
+public enum ReportFileType
+{
+    Image, // 图片
+    Pdf    // PDF
+}
+
+/// <summary>
+/// 报告类别
+/// </summary>
+public enum ReportCategory
+{
+    BloodTest,  // 血常规
+    Biochemistry, // 生化全项
+    Ecg,         // 心电图
+    Ultrasound,  // 彩超
+    Discharge,   // 出院小结
+    Other        // 其他
+}
+
+/// <summary>
+/// 问诊会话状态
+/// </summary>
+public enum ConsultationStatus
+{
+    AiTalking,      // AI 分身对话中
+    WaitingDoctor,  // 等待医生
+    DoctorReplied,  // 医生已回复
+    Closed          // 已结束
+}
+
+/// <summary>
+/// 问诊消息发送方类型
+/// </summary>
+public enum ConsultationSenderType
+{
+    User,   // 患者
+    Doctor, // 医生
+    Ai      // AI 分身
+}
+
+/// <summary>
+/// 复查随访状态
+/// </summary>
+public enum FollowUpStatus
+{
+    Upcoming,  // 即将到来
+    Completed, // 已完成
+    Cancelled  // 已取消
+}
+
+/// <summary>
+/// AI Agent 类型
+/// </summary>
+public enum AgentType
+{
+    Default,      // 默认对话
+    Consultation, // AI 问诊
+    Health,       // 记数据
+    Diet,         // 拍饮食
+    Medication,   // 药管家
+    Report,       // 看报告
+    Exercise      // 运动计划
+}
+
+/// <summary>
+/// 对话消息角色
+/// </summary>
+public enum MessageRole
+{
+    User,      // 用户
+    Assistant, // AI
+    Tool       // 工具返回
+}

backend/src/Health.Domain/Health.Domain.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>