feat: 重构前后端架构，添加Go后端和Python Agent服务

- 新增 Go 语言后端服务(server/)，包含用户认证、Agent管理、数据库连接等API
- 新增 Python Agent 服务(agent/)，实现Agent核心逻辑和工具集
- 前端从原生HTML迁移到Vue.js框架(web/src/)
- 添加 Docker Compose 支持(docker-compose.yml)
- 添加项目架构文档(docs/ARCHITECTURE.md)
- 添加环境变量示例(.env.example)和本地启动脚本(start-local.ps1)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

server/internal/repository/agent_repo.go

@@ -0,0 +1,48 @@
+package repository
+
+import (
+	"x-agents/server/internal/model"
+
+	"gorm.io/gorm"
+)
+
+type AgentRepository struct {
+	db *gorm.DB
+}
+
+func NewAgentRepository(db *gorm.DB) *AgentRepository {
+	return &AgentRepository{db: db}
+}
+
+func (r *AgentRepository) Create(agent *model.Agent) error {
+	return r.db.Create(agent).Error
+}
+
+func (r *AgentRepository) FindByID(id string) (*model.Agent, error) {
+	var agent model.Agent
+	err := r.db.First(&agent, "id = ?", id).Error
+	if err != nil {
+		return nil, err
+	}
+	return &agent, nil
+}
+
+func (r *AgentRepository) FindByOwnerID(ownerID string) ([]model.Agent, error) {
+	var agents []model.Agent
+	err := r.db.Where("owner_id = ?", ownerID).Find(&agents).Error
+	return agents, err
+}
+
+func (r *AgentRepository) FindAll() ([]model.Agent, error) {
+	var agents []model.Agent
+	err := r.db.Where("is_active = ?", true).Find(&agents).Error
+	return agents, err
+}
+
+func (r *AgentRepository) Update(agent *model.Agent) error {
+	return r.db.Save(agent).Error
+}
+
+func (r *AgentRepository) Delete(id string) error {
+	return r.db.Delete(&model.Agent{}, "id = ?", id).Error
+}

server/internal/repository/audit_repo.go

@@ -0,0 +1,56 @@
+package repository
+
+import (
+	"x-agents/server/internal/model"
+
+	"gorm.io/gorm"
+)
+
+type AuditRepository struct {
+	db *gorm.DB
+}
+
+func NewAuditRepository(db *gorm.DB) *AuditRepository {
+	return &AuditRepository{db: db}
+}
+
+func (r *AuditRepository) Create(log *model.AuditLog) error {
+	return r.db.Create(log).Error
+}
+
+func (r *AuditRepository) FindByUserID(userID string, limit int) ([]model.AuditLog, error) {
+	var logs []model.AuditLog
+	err := r.db.Where("user_id = ?", userID).Order("created_at DESC").Limit(limit).Find(&logs).Error
+	return logs, err
+}
+
+func (r *AuditRepository) FindByAgentID(agentID string, limit int) ([]model.AuditLog, error) {
+	var logs []model.AuditLog
+	err := r.db.Where("agent_id = ?", agentID).Order("created_at DESC").Limit(limit).Find(&logs).Error
+	return logs, err
+}
+
+// ToolApproval 工具审批仓储
+
+func (r *AuditRepository) CreateApproval(req *model.ToolApprovalRequest) error {
+	return r.db.Create(req).Error
+}
+
+func (r *AuditRepository) FindApprovalByID(id string) (*model.ToolApprovalRequest, error) {
+	var req model.ToolApprovalRequest
+	err := r.db.First(&req, "id = ?", id).Error
+	if err != nil {
+		return nil, err
+	}
+	return &req, nil
+}
+
+func (r *AuditRepository) FindPendingApprovals() ([]model.ToolApprovalRequest, error) {
+	var reqs []model.ToolApprovalRequest
+	err := r.db.Where("status = ?", model.ApprovalStatusPending).Order("created_at ASC").Find(&reqs).Error
+	return reqs, err
+}
+
+func (r *AuditRepository) UpdateApproval(req *model.ToolApprovalRequest) error {
+	return r.db.Save(req).Error
+}

server/internal/repository/database_repo.go

@@ -0,0 +1,47 @@
+package repository
+
+import (
+	"x-agents/server/internal/model"
+
+	"gorm.io/gorm"
+)
+
+type DatabaseRepository struct {
+	db *gorm.DB
+}
+
+func NewDatabaseRepository(db *gorm.DB) *DatabaseRepository {
+	return &DatabaseRepository{db: db}
+}
+
+// Create 创建数据库信息
+func (r *DatabaseRepository) Create(info *model.DatabaseInfo) error {
+	return r.db.Create(info).Error
+}
+
+// FindByID 根据ID查询
+func (r *DatabaseRepository) FindByID(id string) (*model.DatabaseInfo, error) {
+	var info model.DatabaseInfo
+	err := r.db.First(&info, "id = ?", id).Error
+	if err != nil {
+		return nil, err
+	}
+	return &info, nil
+}
+
+// FindAll 查询所有
+func (r *DatabaseRepository) FindAll() ([]model.DatabaseInfo, error) {
+	var list []model.DatabaseInfo
+	err := r.db.Order("created_at DESC").Find(&list).Error
+	return list, err
+}
+
+// Update 更新
+func (r *DatabaseRepository) Update(id string, info *model.DatabaseInfo) error {
+	return r.db.Model(&model.DatabaseInfo{}).Where("id = ?", id).Updates(info).Error
+}
+
+// Delete 删除
+func (r *DatabaseRepository) Delete(id string) error {
+	return r.db.Delete(&model.DatabaseInfo{}, "id = ?", id).Error
+}

server/internal/repository/sub_table_repo.go

@@ -0,0 +1,53 @@
+package repository
+
+import (
+	"x-agents/server/internal/model"
+
+	"gorm.io/gorm"
+)
+
+type SubTableRepository struct {
+	db *gorm.DB
+}
+
+func NewSubTableRepository(db *gorm.DB) *SubTableRepository {
+	return &SubTableRepository{db: db}
+}
+
+// Create 创建子表信息
+func (r *SubTableRepository) Create(info *model.SubTableInfo) error {
+	return r.db.Create(info).Error
+}
+
+// FindByID 根据ID查询
+func (r *SubTableRepository) FindByID(id string) (*model.SubTableInfo, error) {
+	var info model.SubTableInfo
+	if err := r.db.Where("id = ?", id).First(&info).Error; err != nil {
+		return nil, err
+	}
+	return &info, nil
+}
+
+// FindByDatabaseID 根据数据库ID查询所有子表
+func (r *SubTableRepository) FindByDatabaseID(databaseID string) ([]model.SubTableInfo, error) {
+	var list []model.SubTableInfo
+	if err := r.db.Where("database_id = ?", databaseID).Find(&list).Error; err != nil {
+		return nil, err
+	}
+	return list, nil
+}
+
+// Update 更新子表信息
+func (r *SubTableRepository) Update(id string, info *model.SubTableInfo) error {
+	return r.db.Model(info).Where("id = ?", id).Updates(info).Error
+}
+
+// Delete 删除子表信息
+func (r *SubTableRepository) Delete(id string) error {
+	return r.db.Where("id = ?", id).Delete(&model.SubTableInfo{}).Error
+}
+
+// DeleteByDatabaseID 删除数据库下所有子表信息
+func (r *SubTableRepository) DeleteByDatabaseID(databaseID string) error {
+	return r.db.Where("database_id = ?", databaseID).Delete(&model.SubTableInfo{}).Error
+}

server/internal/repository/user_repo.go

@@ -0,0 +1,66 @@
+package repository
+
+import (
+	"x-agents/server/internal/model"
+
+	"gorm.io/gorm"
+)
+
+type UserRepository struct {
+	db *gorm.DB
+}
+
+func NewUserRepository(db *gorm.DB) *UserRepository {
+	return &UserRepository{db: db}
+}
+
+func (r *UserRepository) Create(user *model.User) error {
+	return r.db.Create(user).Error
+}
+
+func (r *UserRepository) FindByID(id string) (*model.User, error) {
+	var user model.User
+	err := r.db.Preload("Role").First(&user, "id = ?", id).Error
+	if err != nil {
+		return nil, err
+	}
+	return &user, nil
+}
+
+func (r *UserRepository) FindByUsername(username string) (*model.User, error) {
+	var user model.User
+	err := r.db.Preload("Role").First(&user, "username = ?", username).Error
+	if err != nil {
+		return nil, err
+	}
+	return &user, nil
+}
+
+func (r *UserRepository) FindAll() ([]model.User, error) {
+	var users []model.User
+	err := r.db.Preload("Role").Find(&users).Error
+	return users, err
+}
+
+func (r *UserRepository) Update(user *model.User) error {
+	return r.db.Save(user).Error
+}
+
+func (r *UserRepository) Delete(id string) error {
+	return r.db.Delete(&model.User{}, "id = ?", id).Error
+}
+
+// FindRoleByID 根据ID查找角色
+func (r *UserRepository) FindRoleByID(id string) (*model.Role, error) {
+	var role model.Role
+	err := r.db.First(&role, "id = ?", id).Error
+	if err != nil {
+		return nil, err
+	}
+	return &role, nil
+}
+
+// CreateRole 创建角色
+func (r *UserRepository) CreateRole(role *model.Role) error {
+	return r.db.Create(role).Error
+}