init: 数字员工平台初始代码

包含前端（Vue3 + VueFlow 画布）、后端（Go）、文档体系。
- 工作台画布：节点拖放、连线模式、右键菜单、AI 助手
- 后端：连接器 API、专员种子数据
- 导航：左侧导航、工坊、市场、控制台

eai_ap_app/backend-go/internal/model/ai_call_log.go

@@ -0,0 +1,23 @@
+package model
+
+import "time"
+
+// AiCallLog AI 调用日志（审计 + 按用户算力点计费）
+// 精简自 pj034 ai_call_logs：去掉 company_id / input_asset / cost_cny / billing_mode 等电商与多租户字段。
+type AiCallLog struct {
+	ID             uint      `gorm:"primaryKey" json:"id"`
+	UserID         uint      `gorm:"not null;index" json:"user_id"`
+	Capability     string    `gorm:"size:32;not null;index" json:"capability"` // ai_chat / text_gen / embed
+	Provider       string    `gorm:"size:32" json:"provider"`
+	RouteID        string    `gorm:"size:64" json:"route_id"`
+	Model          string    `gorm:"size:64" json:"model"`
+	TokensInput    int       `gorm:"default:0" json:"tokens_input"`
+	TokensOutput   int       `gorm:"default:0" json:"tokens_output"`
+	CreditsCharged int       `gorm:"default:0" json:"credits_charged"` // 实扣点数（0 = 未扣）
+	Status         string    `gorm:"size:16;not null;index" json:"status"` // success / failed
+	ErrorMessage   string    `gorm:"size:512" json:"error_message,omitempty"`
+	LatencyMs      int       `gorm:"default:0" json:"latency_ms"`
+	CreatedAt      time.Time `json:"created_at"`
+}
+
+func (AiCallLog) TableName() string { return "ai_call_log" }

eai_ap_app/backend-go/internal/model/certificate.go

@@ -0,0 +1,20 @@
+package model
+
+import "time"
+
+// Certificate 考试合格证书：正式考试通过后自动颁发，供培训验收与留存。
+// 每张证书对应一条正式考试记录（同一学员同一试卷仅一次正式考，故不会重复发证）。
+type Certificate struct {
+	ID           uint      `gorm:"primaryKey" json:"id"`
+	UserID       uint      `gorm:"not null;index" json:"user_id"`
+	ExamRecordID uint      `gorm:"not null;index" json:"exam_record_id"`
+	UserName     string    `gorm:"size:64;not null" json:"user_name"`
+	ExamName     string    `gorm:"size:128;not null" json:"exam_name"`
+	Score        int       `gorm:"not null" json:"score"`
+	TotalScore   int       `gorm:"not null" json:"total_score"`
+	PassScore    int       `gorm:"not null" json:"pass_score"`
+	CertNo       string    `gorm:"size:64;not null;uniqueIndex" json:"cert_no"`
+	IssuedAt     time.Time `gorm:"not null" json:"issued_at"`
+}
+
+func (Certificate) TableName() string { return "certificate" }

eai_ap_app/backend-go/internal/model/course.go

@@ -0,0 +1,24 @@
+package model
+
+import "time"
+
+// Course 课程表
+type Course struct {
+	ID                 uint      `gorm:"primaryKey" json:"id"`
+	Code               string    `gorm:"size:32;uniqueIndex;not null" json:"code"`
+	Name               string    `gorm:"size:128;not null" json:"name"`
+	Category           string    `gorm:"size:32;not null;index" json:"category"` // capital_script/qualification_logic/ai_public_course/ai_platform_matching
+	TargetCustomers    string    `gorm:"type:text" json:"target_customers"`
+	ForbiddenCustomers string    `gorm:"type:text" json:"forbidden_customers"`
+	Scripts            string    `gorm:"type:text" json:"scripts"`
+	SalesProcess       string    `gorm:"type:text" json:"sales_process"`
+	ObjectionHandling  string    `gorm:"type:text" json:"objection_handling"`
+	DeliveryPitfalls   string    `gorm:"type:text" json:"delivery_pitfalls"`
+	ReportRules        string    `gorm:"type:text" json:"report_rules"`
+	RelatedProductID   *uint     `gorm:"index" json:"related_product_id"`
+	Status             string    `gorm:"size:16;not null;default:active;index" json:"status"` // active / inactive
+	CreatedAt          time.Time `json:"created_at"`
+	UpdatedAt          time.Time `json:"updated_at"`
+}
+
+func (Course) TableName() string { return "course" }

eai_ap_app/backend-go/internal/model/department.go

@@ -0,0 +1,16 @@
+package model
+
+import "time"
+
+// Department 部门字典表：企业组织架构，供用户「部门」字段选择与按部门学情统计。
+// 用户以 user.department 字符串归属（历史兼容），部门改名时后端同步该字符串。
+type Department struct {
+	ID          uint      `gorm:"primaryKey" json:"id"`
+	Name        string    `gorm:"size:64;not null;uniqueIndex" json:"name"`
+	Description string    `gorm:"size:255;default:''" json:"description"`
+	Status      string    `gorm:"size:16;not null;default:active;index" json:"status"` // active / inactive
+	CreatedAt   time.Time `json:"created_at"`
+	UpdatedAt   time.Time `json:"updated_at"`
+}
+
+func (Department) TableName() string { return "department" }

eai_ap_app/backend-go/internal/model/exam_paper.go

@@ -0,0 +1,22 @@
+package model
+
+import "time"
+
+// ExamPaper 考试配置表
+type ExamPaper struct {
+	ID              uint      `gorm:"primaryKey" json:"id"`
+	Name            string    `gorm:"size:128;not null" json:"name"`
+	Type            string    `gorm:"size:16;not null;index" json:"type"` // self_test / formal
+	Domain          string    `gorm:"size:64;not null" json:"domain"`     // 抽题知识域，逗号分隔
+	QuestionCount   int       `gorm:"not null" json:"question_count"`
+	TotalScore      int       `gorm:"not null" json:"total_score"`
+	PassScore       int       `gorm:"not null" json:"pass_score"`
+	DurationMinutes int       `gorm:"not null" json:"duration_minutes"`
+	Randomize       bool      `gorm:"not null" json:"randomize"`
+	PositionID      *uint     `gorm:"index" json:"position_id"` // 关联岗位考试，可空；设置后按岗位知识映射抽题
+	Status          string    `gorm:"size:16;not null;default:active;index" json:"status"` // active / inactive
+	CreatedAt       time.Time `json:"created_at"`
+	UpdatedAt       time.Time `json:"updated_at"`
+}
+
+func (ExamPaper) TableName() string { return "exam_paper" }

eai_ap_app/backend-go/internal/model/exam_record.go

@@ -0,0 +1,21 @@
+package model
+
+import "time"
+
+// ExamRecord 考试记录表
+type ExamRecord struct {
+	ID           uint      `gorm:"primaryKey" json:"id"`
+	UserID       uint      `gorm:"not null;index" json:"user_id"`
+	PaperID      uint      `gorm:"not null;index" json:"paper_id"`
+	ExamName     string    `gorm:"size:128;not null" json:"exam_name"`
+	Score        int       `gorm:"not null" json:"score"`
+	TotalScore   int       `gorm:"not null" json:"total_score"`
+	PassScore    int       `gorm:"not null" json:"pass_score"`
+	Passed       bool      `gorm:"not null;index" json:"passed"`
+	CorrectCount int       `gorm:"not null" json:"correct_count"`
+	WrongCount   int       `gorm:"not null" json:"wrong_count"`
+	DetailJSON   string    `gorm:"type:text;not null" json:"detail_json"` // 答题明细 JSON
+	SubmittedAt  time.Time `gorm:"not null;index" json:"submitted_at"`
+}
+
+func (ExamRecord) TableName() string { return "exam_record" }

eai_ap_app/backend-go/internal/model/knowledge_chunk.go

@@ -0,0 +1,17 @@
+package model
+
+import "time"
+
+// KnowledgeChunk 知识块表（AI 检索最小单元）
+type KnowledgeChunk struct {
+	ID                uint      `gorm:"primaryKey" json:"id"`
+	MediaFileID       *uint     `gorm:"index" json:"media_file_id"`       // 与 knowledge_source_id 二选一
+	KnowledgeSourceID *uint     `gorm:"index" json:"knowledge_source_id"` // 与 media_file_id 二选一
+	SourceType        string    `gorm:"size:32;not null" json:"source_type"` // pdf/doc/md
+	SourceID          string    `gorm:"size:64" json:"source_id"`
+	ChunkIndex        int       `gorm:"not null" json:"chunk_index"`
+	Content           string    `gorm:"type:text;not null" json:"content"`
+	CreatedAt         time.Time `json:"created_at"`
+}
+
+func (KnowledgeChunk) TableName() string { return "knowledge_chunk" }

eai_ap_app/backend-go/internal/model/knowledge_source.go

@@ -0,0 +1,22 @@
+package model
+
+import "time"
+
+// KnowledgeSource 结构化知识源表
+type KnowledgeSource struct {
+	ID            uint       `gorm:"primaryKey" json:"id"`
+	Title         string     `gorm:"size:256;not null" json:"title"`
+	FilePath      string     `gorm:"size:512;uniqueIndex;not null" json:"file_path"`
+	Category      string     `gorm:"size:64;not null;index" json:"category"` // general/capital_consulting/qualification_counseling/ai_consulting/ai_tools_platform
+	Domain        string     `gorm:"size:16;not null;default:product" json:"domain"` // company / product / sales
+	SourceVersion string     `gorm:"size:32;not null" json:"source_version"`
+	AuditStatus   string     `gorm:"size:16;not null;default:pending;index" json:"audit_status"` // pending / approved / rejected
+	AuditBy       *uint      `json:"audit_by"`
+	AuditAt       *time.Time `json:"audit_at"`
+	RejectReason  string     `gorm:"size:512" json:"reject_reason"`
+	Ingested      bool       `gorm:"not null;default:false" json:"ingested"`
+	CreatedAt     time.Time  `json:"created_at"`
+	UpdatedAt     time.Time  `json:"updated_at"`
+}
+
+func (KnowledgeSource) TableName() string { return "knowledge_source" }

eai_ap_app/backend-go/internal/model/learning_progress.go

@@ -0,0 +1,15 @@
+package model
+
+import "time"
+
+// LearningProgress 学习进度表：记录员工是否已浏览公司介绍 / 产品 / 课程
+type LearningProgress struct {
+	ID        uint      `gorm:"primaryKey" json:"id"`
+	UserID    uint      `gorm:"uniqueIndex:idx_learning;not null" json:"user_id"`
+	ItemType  string    `gorm:"uniqueIndex:idx_learning;size:16;not null" json:"item_type"` // company / product / course
+	ItemID    uint      `gorm:"uniqueIndex:idx_learning;not null" json:"item_id"`           // company 固定 0
+	CreatedAt time.Time `json:"created_at"`
+	UpdatedAt time.Time `json:"updated_at"`
+}
+
+func (LearningProgress) TableName() string { return "learning_progress" }

eai_ap_app/backend-go/internal/model/media_file.go

@@ -0,0 +1,26 @@
+package model
+
+import "time"
+
+// MediaFile 素材文件表
+type MediaFile struct {
+	ID           uint       `gorm:"primaryKey" json:"id"`
+	Filename     string     `gorm:"size:256;not null" json:"filename"`
+	StoredName   string     `gorm:"size:64;not null" json:"stored_name"`
+	StoredPath   string     `gorm:"size:512;not null" json:"stored_path"`
+	FileExt      string     `gorm:"size:16;not null" json:"file_ext"`
+	FileSize     int64      `gorm:"not null" json:"file_size"`
+	Status       string     `gorm:"size:16;not null;default:pending;index" json:"status"` // pending / approved / rejected
+	Source       string     `gorm:"size:16;not null" json:"source"`                        // employee / admin
+	SubmitterID  uint       `gorm:"not null;index" json:"submitter_id"`
+	BindType     string     `gorm:"size:16;not null;default:none" json:"bind_type"` // company / product / course / none
+	BindID       *uint      `gorm:"index" json:"bind_id"`
+	Remark       string     `gorm:"size:512" json:"remark"` // 提交备注（员工素材建议）
+	RejectReason string     `gorm:"size:512" json:"reject_reason"`
+	AuditBy      *uint      `json:"audit_by"`
+	AuditAt      *time.Time `json:"audit_at"`
+	Extracted    bool       `gorm:"not null;default:false;index" json:"extracted"`
+	CreatedAt    time.Time  `json:"created_at"`
+}
+
+func (MediaFile) TableName() string { return "media_file" }

eai_ap_app/backend-go/internal/model/mistake_record.go

@@ -0,0 +1,23 @@
+package model
+
+import "time"
+
+// MistakeRecord 错题本（学员自助工具，非学情分析）
+// 按 (user_id, question_id, source) 去重：同一学员同一题同一种考试只保留一条，
+// 再次答错时更新作答与解析并将 resolved 重置为 false。
+type MistakeRecord struct {
+	ID            uint      `gorm:"primaryKey" json:"id"`
+	UserID        uint      `gorm:"not null;index" json:"user_id"`
+	QuestionID    uint      `gorm:"not null;index" json:"question_id"`
+	Source        string    `gorm:"size:16;not null;index" json:"source"`  // self_test / formal
+	QuestionType  string    `gorm:"size:16;not null" json:"question_type"` // single/multiple/judge/essay（冗余，供错题本独立展示）
+	QuestionStem  string    `gorm:"type:text;not null" json:"question_stem"`
+	UserAnswer    string    `gorm:"type:text" json:"user_answer"`    // JSON 序列化的作答
+	CorrectAnswer string    `gorm:"type:text" json:"correct_answer"` // JSON 序列化的正确答案 / 评分标准
+	Explanation   string    `gorm:"type:text;default:''" json:"explanation"`
+	Resolved      bool      `gorm:"not null;default:false;index" json:"resolved"`
+	CreatedAt     time.Time `json:"created_at"`
+	UpdatedAt     time.Time `json:"updated_at"`
+}
+
+func (MistakeRecord) TableName() string { return "mistake_record" }

eai_ap_app/backend-go/internal/model/notification.go

@@ -0,0 +1,17 @@
+package model
+
+import "time"
+
+// Notification 站内消息通知：考试发布 / 考试通过发证 / 岗位设置等事件推送给学员。
+type Notification struct {
+	ID        uint      `gorm:"primaryKey" json:"id"`
+	UserID    uint      `gorm:"not null;index" json:"user_id"`
+	Type      string    `gorm:"size:32;not null;index" json:"type"` // exam_publish / exam_pass / position_set
+	Title     string    `gorm:"size:128;not null" json:"title"`
+	Content   string    `gorm:"type:text;not null" json:"content"`
+	Link      string    `gorm:"size:128;default:''" json:"link"` // 前端跳转路由
+	Read      bool      `gorm:"not null;default:false;index" json:"read"`
+	CreatedAt time.Time `json:"created_at"`
+}
+
+func (Notification) TableName() string { return "notification" }

eai_ap_app/backend-go/internal/model/point_event.go

@@ -0,0 +1,17 @@
+package model
+
+import "time"
+
+// PointEvent 学习积分流水（游戏化成长值，逐笔可审计）
+// 用户学习/考试/错题掌握等行为触发加分，积分总额冗余在 user.learning_points。
+type PointEvent struct {
+	ID        uint      `gorm:"primaryKey" json:"id"`
+	UserID    uint      `gorm:"not null;index" json:"user_id"`
+	EventType string    `gorm:"size:32;not null;index" json:"event_type"` // first_company/first_product/first_course/self_test/formal_pass/mistake_resolved
+	Points    int       `gorm:"not null" json:"points"`
+	RefType   string    `gorm:"size:32;default:''" json:"ref_type"` // company/product/course/paper/mistake
+	RefID     uint      `gorm:"default:0" json:"ref_id"`
+	CreatedAt time.Time `json:"created_at"`
+}
+
+func (PointEvent) TableName() string { return "point_event" }

eai_ap_app/backend-go/internal/model/position.go

@@ -0,0 +1,27 @@
+package model
+
+import "time"
+
+// 岗位知识要求级别（对齐 pj006 的 L1-L4 词汇）
+const (
+	LevelL1 = "L1" // 入门级：概念/定义/标准流程
+	LevelL2 = "L2" // 稳定执行级：标准应用/独立执行
+	LevelL3 = "L3" // 复杂处理级：跨场景迁移/带教
+	LevelL4 = "L4" // 体系策略级：方案设计/组织约束
+)
+
+// ValidLevels 合法级别集合
+var ValidLevels = map[string]bool{LevelL1: true, LevelL2: true, LevelL3: true, LevelL4: true}
+
+// Position 岗位表
+type Position struct {
+	ID          uint      `gorm:"primaryKey" json:"id"`
+	Code        string    `gorm:"size:32;uniqueIndex;not null" json:"code"`
+	Name        string    `gorm:"size:64;not null" json:"name"`
+	Description string    `gorm:"type:text" json:"description"`
+	Status      string    `gorm:"size:16;not null;default:active;index" json:"status"` // active / inactive
+	CreatedAt   time.Time `json:"created_at"`
+	UpdatedAt   time.Time `json:"updated_at"`
+}
+
+func (Position) TableName() string { return "position" }

eai_ap_app/backend-go/internal/model/position_exam_blueprint.go

@@ -0,0 +1,18 @@
+package model
+
+import "time"
+
+// PositionExamBlueprint 岗位考试蓝图：规定岗位考试的题型构成（按域+题型各抽多少题）。
+// 题目本身不携带 L1-L4 级别字段，故蓝图按 domain + type 维度抽样，不做级别加权。
+// 蓝图存在时，pickQuestions 优先按蓝图组卷；否则回退到岗位知识映射圈定题池抽题。
+type PositionExamBlueprint struct {
+	ID         uint      `gorm:"primaryKey" json:"id"`
+	PositionID uint      `gorm:"not null;index" json:"position_id"`
+	Domain     string    `gorm:"size:16;not null;default:''" json:"domain"` // company/product/sales，空=不限（在岗位范围内）
+	Type       string    `gorm:"size:16;not null" json:"type"`              // single/multiple/judge/essay
+	Count      int       `gorm:"not null" json:"count"`                     // 该域该题型抽取数量
+	CreatedAt  time.Time `json:"created_at"`
+	UpdatedAt  time.Time `json:"updated_at"`
+}
+
+func (PositionExamBlueprint) TableName() string { return "position_exam_blueprint" }

eai_ap_app/backend-go/internal/model/position_knowledge.go

@@ -0,0 +1,20 @@
+package model
+
+import "time"
+
+// PositionKnowledge 岗位知识要求（岗位 ↔ 知识域/课程/产品 映射）
+// domain 必填；course_id / product_id 可选（三者共同圈定岗位应学范围）。
+type PositionKnowledge struct {
+	ID            uint      `gorm:"primaryKey" json:"id"`
+	PositionID    uint      `gorm:"not null;index" json:"position_id"`
+	Domain        string    `gorm:"size:16;not null;index" json:"domain"`            // company / product / sales
+	CourseID      *uint     `gorm:"index" json:"course_id"`                          // 绑定具体课程，可空
+	ProductID     *uint     `gorm:"index" json:"product_id"`                         // 绑定具体产品，可空
+	RequiredLevel string    `gorm:"size:16;not null;default:L1" json:"required_level"` // L1/L2/L3/L4
+	Weight        float64   `gorm:"not null;default:1" json:"weight"`
+	IsMandatory   bool      `gorm:"not null;default:true" json:"is_mandatory"`
+	CreatedAt     time.Time `json:"created_at"`
+	UpdatedAt     time.Time `json:"updated_at"`
+}
+
+func (PositionKnowledge) TableName() string { return "position_knowledge" }

eai_ap_app/backend-go/internal/model/product.go

@@ -0,0 +1,24 @@
+package model
+
+import "time"
+
+// Product 产品表
+type Product struct {
+	ID                  uint      `gorm:"primaryKey" json:"id"`
+	Code                string    `gorm:"size:32;uniqueIndex;not null" json:"code"`
+	Name                string    `gorm:"size:128;not null" json:"name"`
+	Category            string    `gorm:"size:32;not null;index" json:"category"` // capital_consulting/qualification_counseling/ai_consulting/ai_tools_platform
+	Tags                string    `gorm:"size:256;default:''" json:"tags"`
+	Description         string    `gorm:"type:text" json:"description"`
+	Pricing             string    `gorm:"type:text" json:"pricing"`
+	CommissionRecommend string    `gorm:"size:128;default:''" json:"commission_recommend"`
+	CommissionNegotiate string    `gorm:"size:128;default:''" json:"commission_negotiate"`
+	PublicCourseBonus   string    `gorm:"size:128;default:''" json:"public_course_bonus"`
+	VersionRisk         string    `gorm:"type:text" json:"version_risk"`
+	ReportRules         string    `gorm:"type:text" json:"report_rules"`
+	Status              string    `gorm:"size:16;not null;default:active;index" json:"status"` // active / inactive
+	CreatedAt           time.Time `json:"created_at"`
+	UpdatedAt           time.Time `json:"updated_at"`
+}
+
+func (Product) TableName() string { return "product" }

eai_ap_app/backend-go/internal/model/question.go

@@ -0,0 +1,20 @@
+package model
+
+import "time"
+
+// Question 题目表
+type Question struct {
+	ID          uint      `gorm:"primaryKey" json:"id"`
+	Domain      string    `gorm:"size:16;not null;index" json:"domain"` // company / product / sales
+	CourseID    *uint     `gorm:"index" json:"course_id"`
+	Type        string    `gorm:"size:16;not null" json:"type"` // single / multiple / judge
+	Stem        string    `gorm:"type:text;not null" json:"stem"`
+	Options     string    `gorm:"type:text;not null" json:"options"` // JSON 数组：["A","B","C"]
+	Answer      string    `gorm:"type:text;not null" json:"answer"`  // JSON 数组：single=[索引] multiple=[索引...] judge=[bool]
+	Explanation string    `gorm:"type:text;default:''" json:"explanation"`
+	Status      string    `gorm:"size:16;not null;default:active;index" json:"status"` // active / inactive
+	CreatedAt   time.Time `json:"created_at"`
+	UpdatedAt   time.Time `json:"updated_at"`
+}
+
+func (Question) TableName() string { return "question" }

eai_ap_app/backend-go/internal/model/specialist.go

@@ -0,0 +1,38 @@
+package model
+
+import "time"
+
+// Specialist 数字员工专员目录
+type Specialist struct {
+	ID                    uint      `gorm:"primaryKey" json:"id"`
+	Key                   string    `gorm:"size:64;uniqueIndex;not null" json:"key"`
+	Label                 string    `gorm:"size:128;not null" json:"label"`
+	Tier                  string    `gorm:"size:16;not null;index" json:"tier"` // generic / industry
+	WorkerType            string    `gorm:"size:16;not null;default:dw;index" json:"worker_type"`
+	Route                 string    `gorm:"size:128;not null" json:"route"`
+	Summary               string    `gorm:"type:text" json:"summary"`
+	WorkStatus            string    `gorm:"size:64;default:''" json:"work_status"`
+	RiskLabel             string    `gorm:"size:64;default:''" json:"risk_label"`
+	Color                 string    `gorm:"size:16;default:''" json:"color"`
+	Stage                 string    `gorm:"size:64;default:''" json:"stage"`
+	Progress              int       `gorm:"not null;default:0" json:"progress"`
+	MarketTag             string    `gorm:"size:32;not null;default:installed;index" json:"market_tag"` // 已安装 / 可升级 / 试用
+	Version               string    `gorm:"size:32;default:''" json:"version"`
+	ConnectorScope        string    `gorm:"type:text" json:"connector_scope"`
+	PermissionScope       string    `gorm:"type:text" json:"permission_scope"`
+	ResourceBindings      string    `gorm:"type:text" json:"resource_bindings"`
+	InfoSources           string    `gorm:"type:text" json:"info_sources"`
+	BaseSkills            string    `gorm:"type:text" json:"base_skills"`
+	AIAssistance          string    `gorm:"type:text" json:"ai_assistance"`
+	GeneratedSkills       string    `gorm:"type:text" json:"generated_skills"`
+	InputsRecordsJSON     string    `gorm:"column:source_records_json;type:text" json:"inputs_records_json"`
+	PermissionRecordsJSON string    `gorm:"type:text" json:"permission_records_json"`
+	ActionRecordsJSON     string    `gorm:"type:text" json:"action_records_json"`
+	ResultRecordsJSON     string    `gorm:"type:text" json:"result_records_json"`
+	State                 string    `gorm:"size:16;not null;default:active;index" json:"state"` // active / inactive
+	SortOrder             int       `gorm:"not null;default:0;index" json:"sort_order"`
+	CreatedAt             time.Time `json:"created_at"`
+	UpdatedAt             time.Time `json:"updated_at"`
+}
+
+func (Specialist) TableName() string { return "specialist" }

eai_ap_app/backend-go/internal/model/study_note.go

@@ -0,0 +1,16 @@
+package model
+
+import "time"
+
+// StudyNote 学习笔记：员工在浏览公司介绍 / 产品 / 课程时记录的私人学习笔记。
+type StudyNote struct {
+	ID        uint      `gorm:"primaryKey" json:"id"`
+	UserID    uint      `gorm:"not null;index" json:"user_id"`
+	ItemType  string    `gorm:"size:16;not null;index" json:"item_type"` // company / product / course
+	ItemID    uint      `gorm:"not null;index" json:"item_id"`           // company 固定 0
+	Content   string    `gorm:"type:text;not null" json:"content"`
+	CreatedAt time.Time `json:"created_at"`
+	UpdatedAt time.Time `json:"updated_at"`
+}
+
+func (StudyNote) TableName() string { return "study_note" }

eai_ap_app/backend-go/internal/model/system_config.go

@@ -0,0 +1,14 @@
+package model
+
+import "time"
+
+// SystemConfig 系统参数配置表
+type SystemConfig struct {
+	ID          uint      `gorm:"primaryKey" json:"id"`
+	ConfigKey   string    `gorm:"size:64;uniqueIndex;not null" json:"config_key"`
+	ConfigValue string    `gorm:"type:text;not null" json:"config_value"`
+	Description string    `gorm:"size:256;default:''" json:"description"`
+	UpdatedAt   time.Time `json:"updated_at"`
+}
+
+func (SystemConfig) TableName() string { return "system_config" }

eai_ap_app/backend-go/internal/model/user.go

@@ -0,0 +1,23 @@
+package model
+
+import "time"
+
+// User 用户表
+type User struct {
+	ID             uint      `gorm:"primaryKey" json:"id"`
+	Username       string    `gorm:"size:64;uniqueIndex;not null" json:"username"`
+	PasswordHash   string    `gorm:"size:256;not null" json:"-"`
+	FullName       string    `gorm:"size:64;not null" json:"full_name"`
+	Role           string    `gorm:"size:16;not null;default:employee;index" json:"role"` // employee / admin
+	Status         string    `gorm:"size:16;not null;default:active;index" json:"status"` // active / disabled
+	AiPoints       int       `gorm:"not null;default:100" json:"ai_points"`               // 剩余 AI 算力点
+	LearningPoints int       `gorm:"not null;default:0;index" json:"learning_points"`     // 学习积分（游戏化成长值）
+	Department     string    `gorm:"size:64;default:''" json:"department"`                // 部门
+	Position       string    `gorm:"size:64;default:''" json:"position"`                  // 岗位（文本，历史遗留）
+	PositionID     *uint     `gorm:"index" json:"position_id"`                            // 所属岗位，可空（历史用户/管理员可为空）
+	HireBatch      string    `gorm:"size:64;default:''" json:"hire_batch"`                // 入职批次
+	CreatedAt      time.Time `json:"created_at"`
+	UpdatedAt      time.Time `json:"updated_at"`
+}
+
+func (User) TableName() string { return "user" }