The per-turn model conversation was rebuilt via findRecent(chatId, ws, 50),
a sliding window that dropped the beginning of any chat longer than ~50 stored
rows. Switch streamChat to the existing findAllByChat, which loads the full
non-deleted transcript chronologically with a 5000-row memory-safety backstop
(keeps the newest rows + logs a warning on overflow) — a safety net, not a
conversational limit. Remove the now-unused findRecent method and update the
comments/log text that referenced it (findAllByChat now feeds both the Markdown
export and the model history).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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