Initial Arka plugin registry: Official plugins mirror + Arka-signed index

11 plugins from github.com/librefang/librefang-registry plugins/.
index.json / index.json.sig are signed with Arka's Ed25519 key
(not upstream stats.librefang.ai). Private key is not in this repo.

plugins/topic-memory/plugin.toml

@@ -0,0 +1,41 @@
+name = "topic-memory"
+version = "0.1.0"
+description = "Topic-aware memory recall with keyword clustering for cross-conversation context"
+author = "librefang"
+
+[hooks]
+ingest = "hooks/ingest.py"
+after_turn = "hooks/after_turn.py"
+
+
+[i18n.zh]
+name = "话题记忆"
+description = "按话题召回记忆，结合关键词聚类实现跨会话的上下文关联。"
+
+[i18n.zh-TW]
+name = "話題記憶"
+description = "依話題召回記憶，結合關鍵字分群實現跨會話的上下文關聯。"
+
+[i18n.ja]
+name = "トピックメモリ"
+description = "トピック単位のメモリ想起にキーワードクラスタリングを組み合わせ、セッションを跨ぐ文脈を維持。"
+
+[i18n.ko]
+name = "주제 메모리"
+description = "주제별 기억 회상과 키워드 클러스터링으로 세션 간 컨텍스트를 연결."
+
+[i18n.de]
+name = "Topic-Gedächtnis"
+description = "Themenbewusster Gedächtnisabruf mit Keyword-Clustering für sitzungsübergreifenden Kontext."
+
+[i18n.es]
+name = "Memoria por temas"
+description = "Recuerdo de memoria consciente del tema con agrupamiento de palabras clave para contexto entre conversaciones."
+
+[i18n.fr]
+name = "Mémoire par sujets"
+description = "Rappel de mémoire orienté sujet avec clustering de mots-clés pour un contexte inter-conversations."
+
+[integrity]
+"hooks/after_turn.py" = "d2a52d8070250c6308de1af8739dfee0691b4dc73ee45448f32b7ed446645d28"
+"hooks/ingest.py" = "9ee56481f5b7039a12d4a6f373b7f54af7ead8f790995280551739658997cc0f"