initial: Syntrex extraction from sentinel-community (615 files)

internal/application/tools/system_service.go

@@ -0,0 +1,94 @@
+package tools
+
+import (
+	"context"
+	"fmt"
+	"runtime"
+	"time"
+
+	"github.com/sentinel-community/gomcp/internal/domain/memory"
+)
+
+// Version info set at build time via ldflags.
+var (
+	Version   = "2.0.0-dev"
+	GitCommit = "unknown"
+	BuildDate = "unknown"
+)
+
+// SystemService implements MCP tool logic for system operations.
+type SystemService struct {
+	factStore memory.FactStore
+	startTime time.Time
+}
+
+// NewSystemService creates a new SystemService.
+func NewSystemService(factStore memory.FactStore) *SystemService {
+	return &SystemService{
+		factStore: factStore,
+		startTime: time.Now(),
+	}
+}
+
+// HealthStatus holds the health check result.
+type HealthStatus struct {
+	Status    string `json:"status"`
+	Version   string `json:"version"`
+	GoVersion string `json:"go_version"`
+	Uptime    string `json:"uptime"`
+	OS        string `json:"os"`
+	Arch      string `json:"arch"`
+}
+
+// Health returns server health status.
+func (s *SystemService) Health(_ context.Context) *HealthStatus {
+	return &HealthStatus{
+		Status:    "healthy",
+		Version:   Version,
+		GoVersion: runtime.Version(),
+		Uptime:    time.Since(s.startTime).Round(time.Second).String(),
+		OS:        runtime.GOOS,
+		Arch:      runtime.GOARCH,
+	}
+}
+
+// VersionInfo holds version information.
+type VersionInfo struct {
+	Version   string `json:"version"`
+	GitCommit string `json:"git_commit"`
+	BuildDate string `json:"build_date"`
+	GoVersion string `json:"go_version"`
+}
+
+// GetVersion returns version information.
+func (s *SystemService) GetVersion() *VersionInfo {
+	return &VersionInfo{
+		Version:   Version,
+		GitCommit: GitCommit,
+		BuildDate: BuildDate,
+		GoVersion: runtime.Version(),
+	}
+}
+
+// DashboardData holds summary data for the system dashboard.
+type DashboardData struct {
+	Health    *HealthStatus          `json:"health"`
+	FactStats *memory.FactStoreStats `json:"fact_stats,omitempty"`
+}
+
+// Dashboard returns a summary of all system metrics.
+func (s *SystemService) Dashboard(ctx context.Context) (*DashboardData, error) {
+	data := &DashboardData{
+		Health: s.Health(ctx),
+	}
+
+	if s.factStore != nil {
+		stats, err := s.factStore.Stats(ctx)
+		if err != nil {
+			return nil, fmt.Errorf("get fact stats: %w", err)
+		}
+		data.FactStats = stats
+	}
+
+	return data, nil
+}