Lower term threshold, tune promotion scores, project candidate fallback in snapshot, and add rebuild-ums-snapshot script for production backfill. Co-authored-by: Cursor <cursoragent@cursor.com>
Introduce UMS ingest/snapshot pipeline, Context Planner with multi-source recall, runtime context injection, canonical user mapping, and session snapshot loading on auth/me. Co-authored-by: Cursor <cursoragent@cursor.com>
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