refactor(backend): rename OpenFlare directory to lowercase openflare

backend/openflare/plugins/server/kernel/model/openflare_pages_cleanup.go

@@ -0,0 +1,26 @@
+// Copyright 2026 Arctel.net
+// SPDX-License-Identifier: Apache-2.0
+
+package model
+
+import (
+	"time"
+)
+
+const (
+	// PagesOrphanUploadCandidateLimit bounds one delayed Pages upload cleanup pass.
+	PagesOrphanUploadCandidateLimit = 100
+	// PagesOrphanMarkerPredicatePostgres is the Postgres JSON marker match SQL fragment.
+	PagesOrphanMarkerPredicatePostgres = "w_uploads.metadata #>> '{extra,pages_ingest_marker}' = ?"
+	// PagesOrphanMarkerPredicateSQLite is the SQLite JSON marker match SQL fragment.
+	PagesOrphanMarkerPredicateSQLite = "CASE WHEN json_valid(w_uploads.metadata) THEN json_extract(w_uploads.metadata, '$.extra.pages_ingest_marker') ELSE NULL END = ?"
+)
+
+// PagesOrphanUploadCandidateQuery describes the fail-closed SQL candidate set
+// for delayed Pages upload compensation.
+type PagesOrphanUploadCandidateQuery struct {
+	SystemUserID  uint64
+	UploadType    string
+	Marker        string
+	CreatedBefore time.Time
+}