Fires on each UserPromptSubmit, reads the conversation via
{{conversation}}, checks {{seen_recent}} to avoid re-surfacing,
searches the memory graph, and outputs a key list or nothing.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>