cyi-box: Memphis-style toolbox admin platform

Go(fun)+SQLite backend, Vue 3 frontend. Modules: dashboard, pay gateway
(Epay-compatible + CDK stock), license/card system (per-app appid, domain
binding), AI memory bank with built-in MCP server (/mcp, FTS5 search,
signed read links), server SSH monitor + terminal + SFTP, proxy pool with
protocol-level alive checks, DB manager (mysql/pg/sqlite + SQL
autocomplete + import/export), disk share, vault (AES-GCM + TOTP),
bookmarks, dev tools.

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

backend/internal/store/server.go

@@ -0,0 +1,95 @@
+package store
+
+import (
+	"database/sql"
+	"errors"
+	"time"
+
+	"github.com/cyi-cc/cyi-box/backend/internal/db"
+)
+
+// Server SSH 服务器条目：secret_enc 为 AES-GCM 密文，存密码或 PEM 私钥，
+// 明文只在连接的瞬间存在于内存，不落盘不下发
+type Server struct {
+	Id        int64
+	Name      string
+	Host      string
+	Port      int64
+	Username  string
+	AuthType  string // password | key
+	SecretEnc string
+	Note      string
+	CreatedAt int64
+	UpdatedAt int64
+}
+
+func serverFromRow(e db.Server) Server {
+	return Server{
+		Id: e.ID, Name: e.Name, Host: e.Host, Port: e.Port, Username: e.Username,
+		AuthType: e.AuthType, SecretEnc: e.SecretEnc, Note: e.Note,
+		CreatedAt: e.CreatedAt, UpdatedAt: e.UpdatedAt,
+	}
+}
+
+func (s *Store) ListServers() ([]Server, error) {
+	rows, err := s.q.ListServers(storeCtx)
+	if err != nil {
+		return nil, err
+	}
+	items := make([]Server, 0, len(rows))
+	for _, r := range rows {
+		items = append(items, serverFromRow(r))
+	}
+	return items, nil
+}
+
+func (s *Store) GetServer(id int64) (Server, error) {
+	e, err := s.q.GetServer(storeCtx, id)
+	if errors.Is(err, sql.ErrNoRows) {
+		return Server{}, ErrNotFound
+	}
+	return serverFromRow(e), err
+}
+
+func (s *Store) SaveServer(e *Server) error {
+	now := time.Now().Unix()
+	if e.Id > 0 {
+		n, err := s.q.UpdateServer(storeCtx, db.UpdateServerParams{
+			Name: e.Name, Host: e.Host, Port: e.Port, Username: e.Username,
+			AuthType: e.AuthType, SecretEnc: e.SecretEnc, Note: e.Note,
+			UpdatedAt: now, ID: e.Id,
+		})
+		if err != nil {
+			return err
+		}
+		if n == 0 {
+			return ErrNotFound
+		}
+		return nil
+	}
+	id, err := s.q.InsertServer(storeCtx, db.InsertServerParams{
+		Name: e.Name, Host: e.Host, Port: e.Port, Username: e.Username,
+		AuthType: e.AuthType, SecretEnc: e.SecretEnc, Note: e.Note,
+		CreatedAt: now, UpdatedAt: now,
+	})
+	if err != nil {
+		return err
+	}
+	e.Id, e.CreatedAt, e.UpdatedAt = id, now, now
+	return nil
+}
+
+func (s *Store) DeleteServer(id int64) error {
+	n, err := s.q.DeleteServer(storeCtx, id)
+	if err != nil {
+		return err
+	}
+	if n == 0 {
+		return ErrNotFound
+	}
+	return nil
+}
+
+func (s *Store) CountServers() (int64, error) {
+	return s.q.CountServers(storeCtx)
+}