Eight-task TDD-shaped plan covering pure Similarity + ContextualMatchScore
functions, Score extension with ContextWeight=2.0, two new sqlc queries
(ListActiveContextualLikesForUser, GetCurrentSessionVectorForUser),
LoadCandidates signature change to accept currentVector, radio handler
wiring, end-to-end contextual ranking test, and final verification.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
