feat: Enhance memory management and promotion rules for Mattermost context and user prompts

workflows/opencode-entry.md

@@ -32,6 +32,7 @@ Use OpenCode as the daily AI entry point for this workspace without losing proje
 - Root rules also load automatically from `AGENTS.md`.
 - The main context command reads the stable workspace files plus today's log.
 - Mattermost context can be refreshed into `ai/inbox/` using your existing local sync script.
+- Direct prompts are also treated as memory opportunities, so the agent can update workspace context during normal conversation.
 - Daily updates go back into the workspace, so later prompts inherit better context.
 - The local compaction plugin helps preserve the most important workspace context during long sessions.
 - This reduces reliance on fragile session memory.