chore(message-gateway): swagger and format

internal/apps/admin/message_gateway/errs.go

@@ -6,8 +6,8 @@ package message_gateway
 const (
 	errNameRequired          = "name is required"
 	errTypeInvalid           = "type must be telegram or qq"
-	errTelegramTokenRequired = "bot_token is required"
-	errQQCredentialsRequired = "app_id and app_secret are required"
+	errTelegramTokenRequired = "telegram bot secret is required" //nolint:gosec // user-facing validation text
+	errQQCredentialsRequired = "qq app id and secret are required" //nolint:gosec // user-facing validation text
 	errChannelNotFound       = "channel not found"
 	errChannelProbeFailed    = "channel probe failed"
 	maskedSecret             = "********"

internal/apps/admin/message_gateway/logics.go

@@ -318,8 +318,9 @@ func probeCredentials(ctx context.Context, typ string, creds, extra map[string]s
 		if err != nil {
 			return err
 		}
-		defer resp.Body.Close()
-		body, _ := io.ReadAll(io.LimitReader(resp.Body, 4096))
+		defer func() { _ = resp.Body.Close() }()
+		const probeBodyLimit = 4096
+		body, _ := io.ReadAll(io.LimitReader(resp.Body, probeBodyLimit))
 		if resp.StatusCode != http.StatusOK {
 			return fmt.Errorf("telegram getMe status %d", resp.StatusCode)
 		}

internal/apps/message_gateway/runner/inbound.go

@@ -1,6 +1,7 @@
 // Copyright 2026 Arctel.net
 // SPDX-License-Identifier: Apache-2.0
 
+// Package runner starts message-gateway adapters in the Worker process.
 package runner
 
 import (

internal/apps/message_gateway/runner/runner.go

@@ -74,7 +74,6 @@ type gateway struct {
 	node    string
 	mu      sync.Mutex
 	running map[uint64]*runningChannel
-	seen    map[uint64]time.Time
 }
 
 func (r *gateway) sync(ctx context.Context) error {