fix(persistence): migrate all pkg/persistence imports to plugins/infra/database and plugins/infra/cache

- Replace db.DB(ctx) with database.DB(ctx) from plugins/infra/database
- Replace db.Redis/db.PrefixedKey/db.GetJSON/db.SetJSON with cachepkg.* from plugins/infra/cache
- Replace pkg/persistence/idgen with pkg/idgen (already exists)
- Replace pkg/persistence/batchwriter with pkg/batchwriter (already exists)
- Replace pkg/persistence/migrator with pkg/migrator (already exists)
- Replace pkg/persistence/logstore with plugins/domain/risk_control/logstore
- Delete defunct pkg/{persistence,cap,message_gateway,push,shared,task}
- Fix vet issues: db alias in domain_test.go, driver_asynq_worker.TaskHandler reference
- Update Makefile architecture guard
- Update docs and skill references
- Update go.mod: gorilla/sessions promotion to direct dependency

plugins/domain/risk_control/logstore/access_log_writer.go

@@ -0,0 +1,48 @@
+// Copyright 2026 Arctel.net
+// SPDX-License-Identifier: Apache-2.0
+
+package logstore
+
+import (
+	"context"
+	"fmt"
+
+	db "github.com/Rain-kl/Wavelet/plugins/infra/database"
+)
+
+// BatchInsert writes access logs to ClickHouse using the native batch API.
+func BatchInsert(ctx context.Context, logs []UserAccessLog) error {
+	if len(logs) == 0 {
+		return nil
+	}
+	if db.ChConn == nil {
+		return fmt.Errorf("clickhouse connection is not initialized")
+	}
+
+	batch, err := db.ChConn.PrepareBatch(ctx, UserAccessLog{}.BatchInsertSQL())
+	if err != nil {
+		return fmt.Errorf("prepare clickhouse batch: %w", err)
+	}
+
+	for _, logItem := range logs {
+		if err := batch.Append(
+			logItem.ID,
+			logItem.UserID,
+			logItem.Path,
+			logItem.Method,
+			logItem.IP,
+			logItem.UserAgent,
+			logItem.Headers,
+			logItem.Status,
+			logItem.Latency,
+			logItem.CreatedAt,
+		); err != nil {
+			return fmt.Errorf("append access log to batch: %w", err)
+		}
+	}
+
+	if err := batch.Send(); err != nil {
+		return fmt.Errorf("send clickhouse batch: %w", err)
+	}
+	return nil
+}