v0.8.489

• Docs: Monroe endpoint embeds from a flat 2D layout when conformer generation fails
• Monroe embedding feature endpoint: smiles-to-monroe-v1 (720-d, serverless) (#616)
• PXR Monroe spike: Monroe + readouts in TabICL beats chemprop (0.542 vs 0.591 RAE)
• Docs: replace nonexistent fs.feature_columns with an explicit feature list
• TabICL: full cache only, shared align_frame, foundation cache dir, single sizing table; tests and docs
• Model onboarding: batch tag writes (19 -> ~8 AWS add_tags calls)
• TabICL: changes
• bumping version of workbench for all images