feat(notify): Telegram/Webhook нотификаторы + Dispatcher по каналам проекта

internal/notify/notify.go

@@ -0,0 +1,27 @@
+// Package notify sends drift/error notifications to project-configured
+// channels (Telegram, generic webhooks, ...). Notifier implementations must
+// never log the secret they receive (bot tokens, HMAC keys, etc.).
+package notify
+
+import (
+	"context"
+	"encoding/json"
+	"time"
+)
+
+// Event describes a single notification-worthy occurrence for a domain
+// belonging to a project (e.g. a status change detected by the scheduler).
+type Event struct {
+	Project string
+	Domain  string
+	Status  string
+	Summary string
+	At      time.Time
+}
+
+// Notifier delivers an Event to a channel described by cfg (channel-type
+// specific JSON config) and secret (decrypted credential, e.g. a bot token).
+// Implementations must not log secret.
+type Notifier interface {
+	Send(ctx context.Context, cfg json.RawMessage, secret string, ev Event) error
+}