Harness and diagnostics share _filter_liquid_breadth_week_rich. Recompute shows unconditional liquid fip IC -0.017 (mask binds 97%); mom-conditional -0.088/t-4.58 stands. Document +0.0575 as orphaned.
Add lagged/tier/prod-subset/mom-conditional checks on research.sqlite. Log: unconditional sign is a winner/bleeder tug-of-war; mom-conditional fip stays negative and reliable; warn on high-vol tilt if universe broadens.
dennisthiessen