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- chat:ledger becomes the only conversation store: model messages land as user/tool_call(payload)/tool_result/ai events via EventLogChatMemory (per-event rightPush, no more whole-blob read-modify-write races) - EventProjectionService: one renderer for both frontend history and LLM context (system+flow card / deterministic digest of expired turns / ~6000-char verbatim recent turns, current turn payload-exact) - pinned active-flow card (form pending / proposal pending / skill_active full text) unpinned on executed/cancelled/skill_done - anti-fab retry nudges logged as internal user events (LLM-visible, hidden from history); grounded suffixes never duplicate user events - delete ProjectedChatMemory; RedisChatMemoryStore demoted to legacy read-only compat (old convs age out via 30d TTL); conv list lazy cleanup - tests: projection correctness + concurrent stream/confirm append safety
