feat: initial commit — uptime monitor (forked from go-upkeep)

Go-based uptime monitor with SQLite/Postgres storage, TUI dashboard,
SSH server, alerting, and clustering support.

internal/store/store.go

@@ -0,0 +1,41 @@
+package store
+
+import (
+	"go-upkeep/internal/models"
+)
+
+type Store interface {
+	Init() error
+	
+	// Sites
+	GetSites() []models.Site
+	AddSite(name, url, sType string, interval, alertID int, checkSSL bool, threshold, retries int)
+	UpdateSite(id int, name, url, sType string, interval, alertID int, checkSSL bool, threshold, retries int)
+	DeleteSite(id int)
+
+	// Alerts
+	GetAllAlerts() []models.AlertConfig
+	GetAlert(id int) (models.AlertConfig, bool)
+	AddAlert(name, aType string, settings map[string]string)
+	UpdateAlert(id int, name, aType string, settings map[string]string)
+	DeleteAlert(id int)
+
+	// Users
+	GetAllUsers() []models.User
+	AddUser(username, publicKey, role string) error
+	DeleteUser(id int) error
+
+	// Phase 5: Backup & Restore
+	ExportData() models.Backup
+	ImportData(data models.Backup) error
+}
+
+var Current Store
+
+func SetGlobal(s Store) {
+	Current = s
+}
+
+func Get() Store {
+	return Current
+}