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- RedisChatMemoryStore (ChatMemoryStore): persist per-conversation messages to Redis (chat:mem:{convId}, 30d TTL) -> survives restart; agent memory now Redis-backed via MessageWindowChatMemory.builder().chatMemoryStore(...) - ConversationService: per-user conversation metadata (chat:convs:{userId} hash), title from first message, list/create/delete/history - ConversationController: GET/POST/DELETE /api/agent/conversations + GET /{id}/messages - AgentChatController: touch conversation on each turn - chat.html: conversation sidebar (list/switch/new/delete), load history on switch, refresh on send Verified: multi-turn memory recalls facts; after full restart, conversation list + history + memory all persist (agent still recalls prior-turn facts).
